#!/usr/bin/env julia # -*- coding: UTF-8 -*- # __julia-version__ = 1.7.2 # __author__ = "Max Kannenberg" # __copyright__ = "2020-2022" # __license__ = "ISC" """ calculateTractiveEffort(v, tractiveEffortVelocityPairs) Calculate the trains tractive effort with the `tractiveEffortVelocityPairs` dependend on the velocity `v`. ... # Arguments - `v::AbstractFloat`: the current velocity in m/s. - `tractiveEffortVelocityPairs::Array{}`: the trains pairs for velocity in m/s and tractive effort in N as one array containing an array for each pair. ... # Examples ```julia-repl julia> calculateTractiveEffort(20.0, [(0.0, 180000), (20.0, 100000), (40.0, 60000), (60.0, 40000), (80.0, 30000)]) 100000 julia> calculateTractiveEffort(30.0, [(0.0, 180000), (20.0, 100000), (40.0, 60000), (60.0, 40000), (80.0, 30000)]) 80000 ``` """ function calculateTractiveEffort(v::AbstractFloat, tractiveEffortVelocityPairs::Array{}) for row in 1:length(tractiveEffortVelocityPairs) nextPair = tractiveEffortVelocityPairs[row] if nextPair[1] == v return nextPair[2] elseif nextPair[1] > v # interpolate for a straight line between the two surrounding points with the formula: F=(v-v_(row-1))*(F_row-F_(row-1))/(v_row-v_(row-1))+F_(row-1) previousPair = tractiveEffortVelocityPairs[row-1] F_T_interpolation = (v-previousPair[1]) * (nextPair[2]-previousPair[2]) / (nextPair[1]-previousPair[1]) + previousPair[2] return F_T_interpolation end #if end #for # if v gets higher than the velocities in tractiveEffortVelocityPairs the last tractive effort will be used # TODO: also an extrapolation could be used return tractiveEffortVelocityPairs[end][2] end #function calculateTractiveEffort """ calculate and return the path resistance dependend on the trains position and mass model """ function calculatePathResistance(CSs::Vector{Dict}, csId::Integer, s::Real, massModel, train::Train) if massModel == :mass_point pathResistance = calcForceFromCoefficient(CSs[csId][:r_path], train.m_train_full) elseif massModel == :homogeneous_strip pathResistance = 0.0 s_rear = s - train.length # position of the rear of the train while csId > 0 && s_rear < CSs[csId][:s_exit] pathResistance = pathResistance + (min(s, CSs[csId][:s_exit]) - max(s_rear, CSs[csId][:s_entry])) / train.length * calcForceFromCoefficient(CSs[csId][:r_path], train.m_train_full) csId = csId-1 if csId == 0 # TODO: currently for values < movingSection[:s_entry] the values of movingSection[:s_entry] will be used return pathResistance + (CSs[1][:s_entry] - s_rear) / train.length * calcForceFromCoefficient(CSs[1][:r_path], train.m_train_full) end #if end #while end #if return pathResistance end #function calculatePathResistance """ calculate and return tractive and resisting forces for a data point """ function calculateForces!(dataPoint::Dict, CSs::Vector{Dict}, csId::Integer, bsType::String, train::Train, massModel) # calculate resisting forces dataPoint[:R_traction] = calcTractionUnitResistance(dataPoint[:v], train) if train.transportType == :freight dataPoint[:R_wagons] = calcFreightWagonsResistance(dataPoint[:v], train) elseif train.transportType == :passenger dataPoint[:R_wagons] = calcPassengerWagonsResistance(dataPoint[:v], train) end dataPoint[:R_train] = dataPoint[:R_traction] + dataPoint[:R_wagons] dataPoint[:R_path] = calculatePathResistance(CSs, csId, dataPoint[:s], massModel, train) dataPoint[:F_R] = dataPoint[:R_train] + dataPoint[:R_path] # calculate tractive effort if bsType == "braking" || bsType == "coasting" dataPoint[:F_T] = 0.0 elseif bsType == "cruising" dataPoint[:F_T] = min(max(0.0, dataPoint[:F_R]), calculateTractiveEffort(dataPoint[:v], train.tractiveEffort)) else # bsType == "accelerating" || bsType == "diminishing" || 'default' dataPoint[:F_T] = calculateTractiveEffort(dataPoint[:v], train.tractiveEffort) end return dataPoint end #function calculateForces! """ TODO """ function moveAStep(previousPoint::Dict, stepVariable::Symbol, stepSize::Real, csId::Integer) # stepSize is the currentStepSize depending on the accessing function # TODO: csId is only for error messages. Should it be removed? #= 08/31 TODO: How to check if the train stopps during this step? I should throw an error myself that I catch in higher hierarchies. =# # create the next data point newPoint = createDataPoint() newPoint[:i] = previousPoint[:i]+1 # identifier # calculate s, t, v, E if stepVariable == :distance # distance step method newPoint[:Δs] = stepSize # step size (in m) if previousPoint[:a] == 0.0 if previousPoint[:v] == 0.0 error("ERROR: The train tries to cruise at v=0.0 m/s at s=",previousPoint[:s]," in CS",csId,".") end newPoint[:Δt] = calc_Δt_with_constant_v(newPoint[:Δs], previousPoint[:v]) # step size (in s) newPoint[:Δv] = 0.0 # step size (in m/s) else # check if the parts of the following square roots will be <0.0 in the functions calc_Δt_with_Δs and calc_Δv_with_Δs squareRootPartIsNegative = (previousPoint[:v]/previousPoint[:a])^2+2*newPoint[:Δs]/previousPoint[:a] < 0.0 || previousPoint[:v]^2+2*newPoint[:Δs]*previousPoint[:a] < 0.0 if previousPoint[:a] < 0.0 && squareRootPartIsNegative error("ERROR: The train stops during the accelerating section in CS",csId," because the tractive effort is lower than the resistant forces.", " Before the stop the last point has the values s=",previousPoint[:s]," m, v=",previousPoint[:v]," m/s, a=",previousPoint[:a]," m/s^2,", " F_T=",previousPoint[:F_T]," N, R_traction=",previousPoint[:R_traction]," N, R_wagons=",previousPoint[:R_wagons]," N, R_path=",previousPoint[:R_path]," N.") end newPoint[:Δt] = calc_Δt_with_Δs(newPoint[:Δs], previousPoint[:a], previousPoint[:v]) # step size (in s) newPoint[:Δv] = calc_Δv_with_Δs(newPoint[:Δs], previousPoint[:a], previousPoint[:v]) # step size (in m/s) end elseif stepVariable == :time # time step method newPoint[:Δt] = stepSize # step size (in s) newPoint[:Δs] = calc_Δs_with_Δt(newPoint[:Δt], previousPoint[:a], previousPoint[:v]) # step size (in m) newPoint[:Δv] = calc_Δv_with_Δt(newPoint[:Δt], previousPoint[:a]) # step size (in m/s) elseif stepVariable == :velocity # velocity step method if previousPoint[:a] == 0.0 if previousPoint[:v] == 0.0 error("ERROR: The train tries to cruise at v=0.0 m/s at s=",previousPoint[:s]," in CS",csId,".") end newPoint[:Δs] = stepSize # step size (in m) # TODO what is the best default step size for constant v? define Δs or Δt? newPoint[:Δt] = calc_Δt_with_constant_v(newPoint[:Δs], previousPoint[:v]) # step size (in s) newPoint[:Δv] = 0.0 # step size (in m/s) else newPoint[:Δv] = stepSize * sign(previousPoint[:a]) # step size (in m/s) newPoint[:Δs] = calc_Δs_with_Δv(newPoint[:Δv], previousPoint[:a], previousPoint[:v]) # step size (in m) newPoint[:Δt] = calc_Δt_with_Δv(newPoint[:Δv], previousPoint[:a]) # step size (in s) end end #if newPoint[:s] = previousPoint[:s] + newPoint[:Δs] # position (in m) newPoint[:t] = previousPoint[:t] + newPoint[:Δt] # point in time (in s) newPoint[:v] = previousPoint[:v] + newPoint[:Δv] # velocity (in m/s) newPoint[:ΔW] = calc_ΔW(previousPoint[:F_T], newPoint[:Δs]) # mechanical work in this step (in Ws) newPoint[:W] = previousPoint[:W] + newPoint[:ΔW] # mechanical work (in Ws) newPoint[:ΔE] = calc_ΔE(newPoint[:ΔW]) # energy consumption in this step (in Ws) newPoint[:E] = previousPoint[:E] + newPoint[:ΔE] # energy consumption (in Ws) return newPoint end #function moveAStep """ # if the rear of the train is still located in a former characteristic section it has to be checked if its speed limit can be kept """ function getCurrentSpeedLimit(CSs::Vector{Dict}, csWithTrainHeadId::Integer, s::Real, trainLength::Real) v_limit = CSs[csWithTrainHeadId][:v_limit] s_exit = CSs[csWithTrainHeadId][:s_exit] if csWithTrainHeadId > 1 && s -trainLength < CSs[csWithTrainHeadId][:s_entry] formerCsId = csWithTrainHeadId-1 while formerCsId > 0 && s -trainLength < CSs[formerCsId][:s_exit] if CSs[formerCsId][:v_limit] < v_limit # TODO: is the position of the train's rear < movingSection[:s_entry], v_limit of the first CS is used v_limit = CSs[formerCsId][:v_limit] s_exit = CSs[formerCsId][:s_exit] end formerCsId = formerCsId -1 end end currentSpeedLimit = Dict(:v => v_limit, :s_end => s_exit + trainLength) return currentSpeedLimit end #function getCurrentSpeedLimit """ ? """ function getNextPointOfInterest(pointsOfInterest::Vector{Tuple}, s::Real) for s_POI in pointsOfInterest if s_POI[1] > s return s_POI end end error("ERROR in getNextPointOfInterest: There is no POI higher than s=",s," m.") end #function getNextPointOfInterest ## This function calculates the data points of the breakFree section. # Therefore it gets its first data point and the characteristic section and returns the characteristic section including the behavior section for breakFree if needed. # Info: currently the values of the breakFree section will be calculated like in the accelerating section function addBreakFreeSection!(CS::Dict, drivingCourse::Vector{Dict}, stateFlags::Dict, settings::Settings, train::Train, CSs::Vector{Dict}) # conditions for the break free section endOfCSReached = drivingCourse[end][:s] >= CS[:s_exit] || stateFlags[:endOfCSReached] trainIsHalting = drivingCourse[end][:v] == 0.0 if trainIsHalting && !endOfCSReached BS = createBehaviorSection("breakFree", drivingCourse[end][:s], drivingCourse[end][:v], drivingCourse[end][:i]) drivingCourse[end][:behavior] = BS[:type] # traction effort and resisting forces (in N) calculateForces!(drivingCourse[end], CSs, CS[:id], "accelerating", train, settings.massModel) # currently the tractive effort is calculated like in the accelerating section # calculate the breakFree section with calculating the accelerating section and just using the first step and removing the rest try (CS, drivingCourse, stateFlags) = addAcceleratingSection!(CS, drivingCourse, stateFlags, settings, train, CSs) catch(acceleratingError) println("This error happened during the break free phase that is using the accelerating function:") rethrow(acceleratingError) end # delete every dataPoint except the first two while drivingCourse[end][:i] > drivingCourse[BS[:dataPoints][1]][:i] +1 pop!(drivingCourse) end # change the accelerating data to break free drivingCourse[end-1][:behavior] = BS[:type] drivingCourse[end][:behavior] = BS[:type] push!(BS[:dataPoints], drivingCourse[end][:i]) # remove the accelerating section from the CS CS[:t] = CS[:t] - get(CS[:behaviorSections], :accelerating, Dict(:t=>0.0))[:t] # total running time (in s) CS[:E] = CS[:E] - get(CS[:behaviorSections], :accelerating, Dict(:E=>0.0))[:E] # total energy consumption (in Ws) delete!(CS[:behaviorSections], :accelerating) # calculate the accumulated breakFree section information merge!(BS, Dict(:length => drivingCourse[end][:s] - BS[:s_entry], # total length (in m) :s_exit => drivingCourse[end][:s], # last position (in m) :t => drivingCourse[end][:t] - drivingCourse[BS[:dataPoints][1]][:t], # total running time (in s) :E => drivingCourse[end][:E] - drivingCourse[BS[:dataPoints][1]][:E], # total energy consumption (in Ws) :v_exit => drivingCourse[end][:v])) # exit speed (in m/s))) CS[:t] = CS[:t] + BS[:t] # total running time (in s) CS[:E] = CS[:E] + BS[:E] # total energy consumption (in Ws) merge!(CS[:behaviorSections], Dict(:breakFree => BS)) end # else: return the characteristic section without a breakFree section # determine state flags if haskey(stateFlags, :usedForDefiningCharacteristics) && stateFlags[:usedForDefiningCharacteristics] s_braking = 0.0 else s_braking = calcBrakingDistance(drivingCourse[end][:v], CS[:v_exit], train.a_braking, settings.approxLevel) end # reset state flags stateFlags[:endOfCSReached] = drivingCourse[end][:s] >= CS[:s_exit] stateFlags[:brakingStartReached] = drivingCourse[end][:s] +s_braking >= CS[:s_exit] stateFlags[:tractionDeficit] = drivingCourse[end][:F_T] < drivingCourse[end][:F_R] # or add another flag for equal forces? stateFlags[:resistingForceNegative] = drivingCourse[end][:F_R] < 0 stateFlags[:previousSpeedLimitReached] = false stateFlags[:speedLimitReached] = drivingCourse[end][:v] >= CS[:v_limit] stateFlags[:error] = !(stateFlags[:endOfCSReached] || stateFlags[:brakingStartReached] || stateFlags[:tractionDeficit] || stateFlags[:previousSpeedLimitReached] || stateFlags[:speedLimitReached]) return (CS, drivingCourse, stateFlags) end #function addBreakFreeSection! ## This function calculates the data points of the clearing section. # Therefore it gets its previous driving course and the characteristic section and returns the characteristic section and driving course including the clearing section. function addClearingSection!(CS::Dict, drivingCourse::Vector{Dict}, stateFlags::Dict, settings::Settings, train::Train, CSs::Vector{Dict}) if stateFlags[:previousSpeedLimitReached] currentSpeedLimit = getCurrentSpeedLimit(CSs, CS[:id], drivingCourse[end][:s], train.length) if haskey(stateFlags, :usedForDefiningCharacteristics) && stateFlags[:usedForDefiningCharacteristics] ignoreBraking = true s_braking = 0.0 else ignoreBraking = false s_braking = calcBrakingDistance(drivingCourse[end][:v], CS[:v_exit], train.a_braking, settings.approxLevel) end s_clearing = min(CS[:s_exit]-drivingCourse[end][:s]-s_braking, currentSpeedLimit[:s_end] - drivingCourse[end][:s]) if s_clearing > 0.0 (CS, drivingCourse, stateFlags) = addCruisingSection!(CS, drivingCourse, stateFlags, s_clearing, settings, train, CSs, "clearing") calculateForces!(drivingCourse[end], CSs, CS[:id], "accelerating", train, settings.massModel) # stateFlags[:brakingStartReached] = brakingStartReached # stateFlags[:endOfCSReached] = stateFlags[:endOfCSReached] || drivingCourse[end][:s] == CS[:s_exit] else error("ERROR: clearing <=0.0 although it has to be >0.0 in CS ",CS[:id]) end #stateFlags[:previousSpeedLimitReached] = false currentSpeedLimit = getCurrentSpeedLimit(CSs, CS[:id], drivingCourse[end][:s], train.length) stateFlags[:previousSpeedLimitReached] = currentSpeedLimit[:v] != CS[:v_limit] && drivingCourse[end][:v] >= currentSpeedLimit[:v] else stateFlags[:error] = true end return (CS, drivingCourse, stateFlags) end #function addClearingSection ## This function calculates the data points of the accelerating section. # Therefore it gets its previous driving course and the characteristic section and returns the characteristic section and driving course including the accelerating section function addAcceleratingSection!(CS::Dict, drivingCourse::Vector{Dict}, stateFlags::Dict, settings::Settings, train::Train, CSs::Vector{Dict}) #function addAcceleratingSection!(CS::Dict, drivingCourse::Vector{Dict}, settings::Settings, train::Train, CSs::Vector{Dict}, ignoreBraking::Bool) #=if drivingCourse would also be part of movingSectiong: function addAcceleratingSection!(movingSection::Dict, stateFlags::Dict, csId::Integer, settings::Settings, train::Train) CSs = movingSection[:characteristicSections] CS = CSs[csId] drivingCourse = movingSection[:drivingCourse]=# calculateForces!(drivingCourse[end], CSs, CS[:id], "accelerating", train, settings.massModel) if haskey(stateFlags, :usedForDefiningCharacteristics) && stateFlags[:usedForDefiningCharacteristics] ignoreBraking = true s_braking = 0.0 else ignoreBraking = false s_braking = calcBrakingDistance(drivingCourse[end][:v], CS[:v_exit], train.a_braking, settings.approxLevel) end # conditions for the accelerating section targetSpeedReached = drivingCourse[end][:v] >= CS[:v_peak] || stateFlags[:speedLimitReached] endOfCSReached = drivingCourse[end][:s] >= CS[:s_exit] || stateFlags[:endOfCSReached] tractionSurplus = drivingCourse[end][:F_T] > drivingCourse[end][:F_R] brakingStartReached = drivingCourse[end][:s] +s_braking >= CS[:s_exit] || stateFlags[:brakingStartReached] previousSpeedLimitReached = stateFlags[:previousSpeedLimitReached] # use the conditions for the accelerating section if !targetSpeedReached && !endOfCSReached && tractionSurplus && !brakingStartReached BS = createBehaviorSection("accelerating", drivingCourse[end][:s], drivingCourse[end][:v], drivingCourse[end][:i]) drivingCourse[end][:behavior] = BS[:type] currentSpeedLimit = getCurrentSpeedLimit(CSs, CS[:id], drivingCourse[end][:s], train.length) previousSpeedLimitReached = currentSpeedLimit[:v] != CS[:v_limit] && drivingCourse[end][:v] >= currentSpeedLimit[:v] speedLimitReached = drivingCourse[end][:v] >= CS[:v_limit] #speedLimitReached = drivingCourse[end][:v] > currentSpeedLimit[:v] #targetSpeedReached = speedLimitReached while !targetSpeedReached && !endOfCSReached && tractionSurplus && !brakingStartReached && !previousSpeedLimitReached currentStepSize = settings.stepSize # initialize the step size that can be reduced near intersections nextPointOfInterest = getNextPointOfInterest(CS[:pointsOfInterest], drivingCourse[end][:s]) pointOfInterestReached = drivingCourse[end][:s] >= nextPointOfInterest[1] for cycle in 1:settings.approxLevel+1 # first cycle with normal step size followed by cycles with reduced step size depending on the level of approximation if !ignoreBraking s_braking = calcBrakingDistance(drivingCourse[end][:v], CS[:v_exit], train.a_braking, settings.approxLevel) end while !targetSpeedReached && !speedLimitReached && !brakingStartReached && !pointOfInterestReached && tractionSurplus && !previousSpeedLimitReached # 03/08 old: while drivingCourse[end][:v] < CS[:v_peak] && drivingCourse[end][:v] <= currentSpeedLimit[:v] && !brakingStartReached && drivingCourse[end][:s] < nextPointOfInterest[1] && drivingCourse[end][:F_T] > drivingCourse[end][:F_R] # as long as s_i + s_braking < s_CSexit if drivingCourse[end][:s] >= currentSpeedLimit[:s_end] # could be asked after creating an data point. This way here prevents even a minimal exceedance of speed limit will be noticed. On the other hand the train cruises possibly a little to long currentSpeedLimit = getCurrentSpeedLimit(CSs, CS[:id], drivingCourse[end][:s], train.length) end # acceleration (in m/s^2): drivingCourse[end][:a] = calcAcceleration(drivingCourse[end][:F_T], drivingCourse[end][:F_R], train.m_train_full, train.ξ_train) # create the next data point push!(drivingCourse, moveAStep(drivingCourse[end], settings.stepVariable, currentStepSize, CS[:id])) drivingCourse[end][:behavior] = BS[:type] push!(BS[:dataPoints], drivingCourse[end][:i]) calculateForces!(drivingCourse[end], CSs, CS[:id], BS[:type], train, settings.massModel) # conditions for the next while cycle if !ignoreBraking s_braking = calcBrakingDistance(drivingCourse[end][:v], CS[:v_exit], train.a_braking, settings.approxLevel) end brakingStartReached = drivingCourse[end][:s] +s_braking >= CS[:s_exit] speedLimitReached = drivingCourse[end][:v] > CS[:v_limit] previousSpeedLimitReached = currentSpeedLimit[:v] < CS[:v_limit] && (drivingCourse[end][:v] > currentSpeedLimit[:v] || (drivingCourse[end][:v] == currentSpeedLimit[:v] && drivingCourse[end][:s] < currentSpeedLimit[:s_end])) targetSpeedReached = drivingCourse[end][:v] >= CS[:v_peak] #targetSpeedReached = speedLimitReached pointOfInterestReached = drivingCourse[end][:s] >= nextPointOfInterest[1] # POIs include s_exit as well tractionSurplus = drivingCourse[end][:F_T] > drivingCourse[end][:F_R] end #while if CS[:id]==0 testFlag = true else testFlag = false # for testing end # check which limit was reached and adjust the currentStepSize for the next cycle if cycle < settings.approxLevel+1 if drivingCourse[end][:F_T] <= drivingCourse[end][:F_R] testFlag && println("in CS",CS[:id]," accelerating cycle",cycle," case: F_T=", drivingCourse[end][:F_T]," <= F_R=",drivingCourse[end][:F_R]) # for testing currentStepSize = settings.stepSize / 10.0^cycle elseif s_braking > 0.0 && drivingCourse[end][:s] + s_braking > CS[:s_exit] testFlag && println("in CS",CS[:id]," accelerating cycle",cycle," case: s +s_braking=", drivingCourse[end][:s],",+",s_braking," = ",drivingCourse[end][:s] +s_braking," > s_exit=",CS[:s_exit]) # for testing currentStepSize = settings.stepSize / 10.0^cycle elseif drivingCourse[end][:s] > nextPointOfInterest[1] testFlag && println("in CS",CS[:id]," accelerating cycle",cycle," case: s=", drivingCourse[end][:s]," > nextPOI=",nextPointOfInterest[1]) # for testing if settings.stepVariable == :distance currentStepSize = nextPointOfInterest[1] - drivingCourse[end-1][:s] else currentStepSize = settings.stepSize / 10.0^cycle end elseif drivingCourse[end][:v] > CS[:v_peak] testFlag && println("in CS",CS[:id]," accelerating cycle",cycle," case: v=", drivingCourse[end][:v]," > v_peak=",CS[:v_peak]) # for testing if settings.stepVariable == :speed currentStepSize = CS[:v_peak]-drivingCourse[end-1][:v] else currentStepSize = settings.stepSize / 10.0^cycle end elseif drivingCourse[end][:v] > currentSpeedLimit[:v] testFlag && println("in CS",CS[:id]," accelerating cycle",cycle," case: v=", drivingCourse[end][:v]," > v_limitCurrent=",currentSpeedLimit[:v]) # for testing if settings.stepVariable == :velocity currentStepSize = currentSpeedLimit[:v]-drivingCourse[end-1][:v] else currentStepSize = settings.stepSize / 10.0^cycle end elseif drivingCourse[end][:s] + s_braking == CS[:s_exit] testFlag && println("in CS",CS[:id]," accelerating cycle",cycle," case: s +s_braking=", drivingCourse[end][:s],",+",s_braking," = ",drivingCourse[end][:s] +s_braking," == s_exit=",CS[:s_exit]) # for testing if s_braking == 0.0 endOfCSReached = true end break elseif drivingCourse[end][:v] == CS[:v_peak] testFlag && println("in CS",CS[:id]," accelerating cycle",cycle," case: v=", drivingCourse[end][:v]," == v_peak=",CS[:v_peak]) # for testing break elseif drivingCourse[end][:v] == currentSpeedLimit[:v] && drivingCourse[end][:s] < currentSpeedLimit[:s_end] testFlag && println("in CS",CS[:id]," accelerating cycle",cycle," case: v=", drivingCourse[end][:v]," == v_limitCurrent=",currentSpeedLimit[:v]) # for testing break elseif drivingCourse[end][:s] == nextPointOfInterest[1] testFlag && println("in CS",CS[:id]," accelerating cycle",cycle," case: s=", drivingCourse[end][:s]," == nextPOI=",nextPointOfInterest[1]) # for testing if nextPointOfInterest[1] == CS[:s_exit] endOfCSReached = true end break else println("v=",drivingCourse[end][:v]," v_peak= ", CS[:v_peak] , " v_cLimit=", currentSpeedLimit[:v]) println("s=" ,drivingCourse[end][:s]," s_exit=", CS[:s_exit], " s+s_braking=", drivingCourse[end][:s] +s_braking," nextPOI=",nextPointOfInterest[1]) println("F_T=",drivingCourse[end][:F_T] ," F_R=", drivingCourse[end][:F_R]) error("ERROR at accelerating section: With the step variable ",settings.stepVariable," the while loop will be left although v CS[:v_peak] testFlag && println("in CS",CS[:id]," accelerating cycle",cycle," case: v=", drivingCourse[end][:v]," > v_peak=",CS[:v_peak]) # for testing pop!(drivingCourse) pop!(BS[:dataPoints]) # conditions for the next section brakingStartReached = false elseif drivingCourse[end][:s] + s_braking > CS[:s_exit] testFlag && println("in CS",CS[:id]," accelerating cycle",cycle," case: s +s_braking=", drivingCourse[end][:s],",+",s_braking," = ",drivingCourse[end][:s] +s_braking," > s_exit=",CS[:s_exit]) # for testing if s_braking > 0.0 pop!(drivingCourse) pop!(BS[:dataPoints]) else drivingCourse[end][:s] = CS[:s_exit] # round s down to CS[:s_exit] drivingCourse[end][:Δs] = drivingCourse[end][:s] - drivingCourse[end-1][:s] end elseif drivingCourse[end][:s] > nextPointOfInterest[1] testFlag && println("in CS",CS[:id]," accelerating cycle",cycle," case: s=", drivingCourse[end][:s]," > nextPointOfInterest[1]=",nextPointOfInterest[1]) # for testing drivingCourse[end][:s] = nextPointOfInterest[1] # round s down to nextPointOfInterest drivingCourse[end][:Δs] = drivingCourse[end][:s] - drivingCourse[end-1][:s] elseif drivingCourse[end][:F_T] <= drivingCourse[end][:F_R] testFlag && println("in CS",CS[:id]," accelerating cycle",cycle," case: F_T=", drivingCourse[end][:F_T]," <= F_R=",drivingCourse[end][:F_R]) # for testing elseif drivingCourse[end][:v] > currentSpeedLimit[:v] testFlag && println("in CS",CS[:id]," accelerating cycle",cycle," case: v=", drivingCourse[end][:v]," > v_limitCurrent=",currentSpeedLimit[:v]) # for testing previousSpeedLimitReached = true pop!(drivingCourse) pop!(BS[:dataPoints]) else if drivingCourse[end][:s] + s_braking == CS[:s_exit] testFlag && println("in CS",CS[:id]," accelerating cycle",cycle," else case and there: s +s_braking=", drivingCourse[end][:s],",+",s_braking," = ",drivingCourse[end][:s] +s_braking," > s_exit=",CS[:s_exit]) # for testing elseif drivingCourse[end][:v] == currentSpeedLimit[:v] testFlag && println("in CS",CS[:id]," accelerating cycle",cycle," case: v=", drivingCourse[end][:v]," == v_limitCurrent=",currentSpeedLimit[:v]) # for testing end end # TODO is it possible to put this into to the if-fork? if drivingCourse[end][:s] == CS[:s_exit] endOfCSReached = true end end end #for if drivingCourse[end][:s] == CS[:s_exit] endOfCSReached = true end end #while if length(BS[:dataPoints]) > 1 # calculate the accumulated accelerating section information merge!(BS, Dict(:length => drivingCourse[end][:s] - BS[:s_entry], # total length (in m) :s_exit => drivingCourse[end][:s], # last position (in m) :t => drivingCourse[end][:t] - drivingCourse[BS[:dataPoints][1]][:t], # total running time (in s) :E => drivingCourse[end][:E] - drivingCourse[BS[:dataPoints][1]][:E], # total energy consumption (in Ws) :v_exit => drivingCourse[end][:v])) # exit speed (in m/s))) # 03/10 old: CS[:v_peak] = max(drivingCourse[end][:v], CS[:v_entry]) # setting v_peak to the last data points velocity which is the highest reachable value in this characteristic section or to v_entry in case it is higher when running on a path with high resistances CS[:t] = CS[:t] + BS[:t] # total running time (in s) CS[:E] = CS[:E] + BS[:E] # total energy consumption (in Ws) mergeBehaviorSection!(CS[:behaviorSections], BS) end end # set state flags stateFlags[:endOfCSReached] = endOfCSReached stateFlags[:brakingStartReached] = brakingStartReached stateFlags[:tractionDeficit] = !(tractionSurplus || drivingCourse[end][:F_T] == drivingCourse[end][:F_R]) # or add another flag for equal forces? stateFlags[:resistingForceNegative] = drivingCourse[end][:F_R] < 0 stateFlags[:previousSpeedLimitReached] = previousSpeedLimitReached stateFlags[:speedLimitReached] = targetSpeedReached stateFlags[:error] = !(endOfCSReached || brakingStartReached || stateFlags[:tractionDeficit] || previousSpeedLimitReached || targetSpeedReached) return (CS, drivingCourse, stateFlags) end #function addAcceleratingSection! ## This function calculates the data points of the cruising section. # Therefore it gets its first data point and the characteristic section and returns the characteristic section including the behavior section for cruising if needed. function addCruisingSection!(CS::Dict, drivingCourse::Vector{Dict}, stateFlags::Dict, s_cruising::Real, settings::Settings, train::Train, CSs::Vector{Dict}, cruisingType::String) trainIsClearing = cruisingType == "clearing" trainIsBrakingDownhill = cruisingType == "downhillBraking" # traction effort and resisting forces (in N) if !trainIsBrakingDownhill # TODO: or just give BS[:type] instead of "cruising"/"braking"? calculateForces!(drivingCourse[end], CSs, CS[:id], "cruising", train, settings.massModel) else calculateForces!(drivingCourse[end], CSs, CS[:id], "braking", train, settings.massModel) end if haskey(stateFlags, :usedForDefiningCharacteristics) && stateFlags[:usedForDefiningCharacteristics] ignoreBraking = true s_braking = 0.0 else ignoreBraking = false s_braking = calcBrakingDistance(drivingCourse[end][:v], CS[:v_exit], train.a_braking, settings.approxLevel) end # conditions for cruising section #s_braking = calcBrakingDistance(drivingCourse[end][:v], CS[:v_exit], train.a_braking, settings.approxLevel) brakingStartReached = drivingCourse[end][:s] + s_braking >= CS[:s_exit] || stateFlags[:brakingStartReached] speedIsValid = drivingCourse[end][:v]>0.0 && drivingCourse[end][:v]<=CS[:v_peak] tractionDeficit = drivingCourse[end][:F_T] < drivingCourse[end][:F_R] targetPositionReached = s_cruising == 0.0 resistingForceNegative = drivingCourse[end][:F_R] < 0 #println(" vor if speedIsValid=",speedIsValid ," brakingStartReached=", brakingStartReached," tractionDeficit=", tractionDeficit," targetPositionReached=", targetPositionReached) if speedIsValid && !brakingStartReached && !tractionDeficit && !targetPositionReached # 03/04 old: if drivingCourse[end][:v]>0.0 && drivingCourse[end][:v]<=CS[:v_peak] && !brakingStartReached && drivingCourse[end][:F_T] >= drivingCourse[end][:F_R] BS = createBehaviorSection(cruisingType, drivingCourse[end][:s], drivingCourse[end][:v], drivingCourse[end][:i]) drivingCourse[end][:behavior] = BS[:type] # TODO: necessary? s_cruising = min(s_cruising, CS[:s_exit]-BS[:s_entry]) # traction effort and resisting forces (in N) #03/25 calculateForces!(drivingCourse[end], CSs, CS[:id], "cruising", train, settings.massModel) if !trainIsBrakingDownhill calculateForces!(drivingCourse[end], CSs, CS[:id], "cruising", train, settings.massModel) else calculateForces!(drivingCourse[end], CSs, CS[:id], "braking", train, settings.massModel) end if settings.massModel == :homogeneous_strip && CS[:id] > 1 # conditions for cruising section trainInPreviousCS = drivingCourse[end][:s] < CS[:s_entry] + train.length targetPositionReached = drivingCourse[end][:s] >= BS[:s_entry] +s_cruising resistingForceNegative = drivingCourse[end][:F_R] < 0.0 # targetSpeedReached = stateFlags[:speedLimitReached] || drivingCourse[end][:v] >= CS[:v_peak] # TODO: change? to correctCruisingType = (trainIsClearing || (trainIsBrakingDownhill == drivingCourse[end][:F_R] < 0)) # while clearing tractive or braking force can be used #&& targetSpeedReached # use the conditions for the cruising section while trainInPreviousCS && !targetPositionReached && !tractionDeficit && (trainIsClearing || (trainIsBrakingDownhill == resistingForceNegative)) # while clearing tractive or braking force can be used currentStepSize = settings.stepSize nextPointOfInterest[1] = getNextPointOfInterest(CS[:pointsOfInterest], drivingCourse[end][:s]) pointOfInterestReached = drivingCourse[end][:s] >= nextPointOfInterest[1] for cycle in 1:settings.approxLevel+1 # first cycle with normal step size followed by cycles with reduced step size depending on the level of approximation while trainInPreviousCS && !targetPositionReached && !pointOfInterestReached && !tractionDeficit && (trainIsClearing || (trainIsBrakingDownhill == resistingForceNegative)) # while clearing tractive or braking force can be used # 03/09 old: while drivingCourse[end][:s] < CS[:s_entry] + train.length && drivingCourse[end][:s] < BS[:s_entry] +s_cruising && drivingCourse[end][:s] < nextPointOfInterest[1] && drivingCourse[end][:F_T]>=drivingCourse[end][:F_R] # the tractive effort is lower than the resisiting forces and the train has use the highest possible effort to try to stay at v_peak OR the mass model homogeneous strip is used and parts of the train are still in former CS #TODO: maybe just consider former CS with different path resistance? # tractive effort (in N): #03/25 drivingCourse[end][:F_T] = min(drivingCourse[end][:F_T], max(0.0, drivingCourse[end][:F_R])) if !trainIsBrakingDownhill drivingCourse[end][:F_T] = min(drivingCourse[end][:F_T], max(0.0, drivingCourse[end][:F_R])) else drivingCourse[end][:F_T] = 0.0 end # acceleration (in m/s^2): drivingCourse[end][:a] = 0.0 # create the next data point if settings.stepVariable == :distance || settings.stepVariable == time push!(drivingCourse, moveAStep(drivingCourse[end], settings.stepVariable, currentStepSize, CS[:id])) else push!(drivingCourse, moveAStep(drivingCourse[end], position, train.length/(10.0^cycle), CS[:id])) # TODO which step size should be used? end drivingCourse[end][:behavior] = BS[:type] push!(BS[:dataPoints], drivingCourse[end][:i]) # traction effort and resisting forces (in N) calculateForces!(drivingCourse[end], CSs, CS[:id], "default", train, settings.massModel) # calculateForces!(drivingCourse[end], CSs, CS[:id], "cruising", train, settings.massModel) #if !trainIsBrakingDownhill # calculateForces!(drivingCourse[end], CSs, CS[:id], "cruising", train, settings.massModel) #else # calculateForces!(drivingCourse[end], CSs, CS[:id], "braking", train, settings.massModel) #end # conditions for the next while cycle pointOfInterestReached = drivingCourse[end][:s] >= nextPointOfInterest[1] # POIs include s_exit as well tractionDeficit = drivingCourse[end][:F_T] < drivingCourse[end][:F_R] targetPositionReached = drivingCourse[end][:s] >= BS[:s_entry] +s_cruising trainInPreviousCS = drivingCourse[end][:s] < CS[:s_entry] + train.length resistingForceNegative = drivingCourse[end][:F_R] < 0.0 end #while # check which limit was reached and adjust the currentStepSize for the next cycle if cycle < settings.approxLevel+1 if drivingCourse[end][:F_T] < drivingCourse[end][:F_R] currentStepSize = settings.stepSize / 10.0^cycle elseif !trainIsBrakingDownhill && resistingForceNegative currentStepSize = settings.stepSize / 10.0^cycle elseif trainIsBrakingDownhill && !resistingForceNegative currentStepSize = settings.stepSize / 10.0^cycle elseif drivingCourse[end][:s] > nextPointOfInterest[1] if settings.stepVariable == :distance currentStepSize = nextPointOfInterest[1] - drivingCourse[end-1][:s] else currentStepSize = settings.stepSize / 10.0^cycle end elseif drivingCourse[end][:s] > BS[:s_entry] + s_cruising # TODO also the following? drivingCourse[end][:s] > CSs[CS[:id]][:s_entry] + train.length)) if settings.stepVariable == :distance currentStepSize=BS[:s_entry] + s_cruising-drivingCourse[end-1][:s] else currentStepSize = settings.stepSize / 10.0^cycle end elseif drivingCourse[end][:s] == BS[:s_entry] + s_cruising # || drivingCourse[end][:s]==CS[:s_exit] break elseif drivingCourse[end][:s] >= CS[:s_entry] + train.length break elseif drivingCourse[end][:s] == nextPointOfInterest[1] break elseif !trainInPreviousCS break else error("ERROR at cruising section: With the step variable ",settings.stepVariable," the while loop will be left although the if cases don't apply in CS",CS[:id]," with s=" ,drivingCourse[end][:s]," m and v=",drivingCourse[end][:v]," m/s") end # delete last data point for recalculating the last step with reduced step size pop!(drivingCourse) pop!(BS[:dataPoints]) # conditions for the next for cycle pointOfInterestReached = false tractionDeficit = false targetPositionReached = false trainInPreviousCS = true resistingForceNegative = drivingCourse[end][:F_R] < 0.0 else # if the level of approximation is reached if drivingCourse[end][:s] > nextPointOfInterest[1] drivingCourse[end][:s] = nextPointOfInterest[1] # round s down to nextPointOfInterest drivingCourse[end][:Δs] = drivingCourse[end][:s] - drivingCourse[end-1][:s] elseif drivingCourse[end][:s] > BS[:s_entry]+s_cruising if BS[:type] != "clearing" pop!(drivingCourse) pop!(BS[:dataPoints]) end elseif drivingCourse[end][:s] == BS[:s_entry]+s_cruising break elseif drivingCourse[end][:F_T] < drivingCourse[end][:F_R] break elseif !trainIsBrakingDownhill && resistingForceNegative break elseif trainIsBrakingDownhill && !resistingForceNegative break elseif !trainInPreviousCS break else end end end #for end #while end #if # conditions for the next while cycle targetPositionReached = drivingCourse[end][:s] >= BS[:s_entry] +s_cruising tractionDeficit = drivingCourse[end][:F_T] < drivingCourse[end][:F_R] resistingForceNegative = drivingCourse[end][:F_R] < 0.0 while !targetPositionReached && !tractionDeficit && (trainIsClearing || (trainIsBrakingDownhill == resistingForceNegative)) # while clearing tractive or braking force can be used # 03/09 old: while drivingCourse[end][:s] < BS[:s_entry]+s_cruising && drivingCourse[end][:F_T] >= drivingCourse[end][:F_R] nextPointOfInterest = min(BS[:s_entry]+s_cruising, getNextPointOfInterest(CS[:pointsOfInterest], drivingCourse[end][:s])[1]) # tractive effort (in N): #03/25 drivingCourse[end][:F_T] = min(drivingCourse[end][:F_T], max(0.0, drivingCourse[end][:F_R])) if !trainIsBrakingDownhill drivingCourse[end][:F_T] = min(drivingCourse[end][:F_T], max(0.0, drivingCourse[end][:F_R])) else drivingCourse[end][:F_T] = 0.0 end drivingCourse[end][:a] = 0.0 # acceleration (in m/s^2) # calculate the remaining cruising way #s_cruisingRemaining=BS[:s_entry] + s_cruising-drivingCourse[end][:s] s_cruisingRemaining = min(nextPointOfInterest[1] -drivingCourse[end][:s], BS[:s_entry] +s_cruising -drivingCourse[end][:s]) # create the next data point push!(drivingCourse, moveAStep(drivingCourse[end], :distance, s_cruisingRemaining, CS[:id])) drivingCourse[end][:behavior] = BS[:type] push!(BS[:dataPoints], drivingCourse[end][:i]) calculateForces!(drivingCourse[end], CSs, CS[:id], "default", train, settings.massModel) # calculateForces!(drivingCourse[end], CSs, CS[:id], "cruising", train, settings.massModel) #if !trainIsBrakingDownhill # calculateForces!(drivingCourse[end], CSs, CS[:id], "cruising", train, settings.massModel) #else # calculateForces!(drivingCourse[end], CSs, CS[:id], "braking", train, settings.massModel) #end # conditions for the next while cycle targetPositionReached = drivingCourse[end][:s] >= BS[:s_entry] +s_cruising tractionDeficit = drivingCourse[end][:F_T] < drivingCourse[end][:F_R] resistingForceNegative = drivingCourse[end][:F_R] < 0 end #while # TODO: realize this better inside the upper loops? # calculate the accumulated cruising section information merge!(BS, Dict(:length => drivingCourse[end][:s] - BS[:s_entry], # total length (in m) :s_exit => drivingCourse[end][:s], # last position (in m) :t => drivingCourse[end][:t] - drivingCourse[BS[:dataPoints][1]][:t], # total running time (in s) :E => drivingCourse[end][:E] - drivingCourse[BS[:dataPoints][1]][:E], # total energy consumption (in Ws) :v_exit => drivingCourse[end][:v])) # exit speed (in m/s))) CS[:t] = CS[:t] + BS[:t] # total running time (in s) CS[:E] = CS[:E] + BS[:E] # total energy consumption (in Ws) mergeBehaviorSection!(CS[:behaviorSections], BS) end # else: return the characteristic section without a cruising section # set state flags stateFlags[:endOfCSReached] = drivingCourse[end][:s] == CS[:s_exit] if !ignoreBraking s_braking = calcBrakingDistance(drivingCourse[end][:v], CS[:v_exit], train.a_braking, settings.approxLevel) end stateFlags[:brakingStartReached] = brakingStartReached || drivingCourse[end][:s] + s_braking >= CS[:s_exit] stateFlags[:tractionDeficit] = tractionDeficit stateFlags[:resistingForceNegative] = drivingCourse[end][:F_R] < 0.0 currentSpeedLimit = getCurrentSpeedLimit(CSs, CS[:id], drivingCourse[end][:s], train.length) stateFlags[:previousSpeedLimitReached] = currentSpeedLimit[:v] != CS[:v_limit] && drivingCourse[end][:v] >= currentSpeedLimit[:v] stateFlags[:error] = !(targetPositionReached || tractionDeficit || !(cruisingType == "clearing" || ((cruisingType == "downhillBraking") == resistingForceNegative))) return (CS, drivingCourse, stateFlags) end #function addCruisingSection! ## This function calculates the data points for diminishing run when using maximum tractive effort and still getting slower function addDiminishingSection!(CS::Dict, drivingCourse::Vector{Dict}, stateFlags::Dict, settings::Settings, train::Train, CSs::Vector{Dict}) calculateForces!(drivingCourse[end], CSs, CS[:id], "diminishing", train, settings.massModel) if haskey(stateFlags, :usedForDefiningCharacteristics) && stateFlags[:usedForDefiningCharacteristics] ignoreBraking = true s_braking = 0.0 else ignoreBraking = false s_braking = calcBrakingDistance(drivingCourse[end][:v], CS[:v_exit], train.a_braking, settings.approxLevel) end # conditions for diminishing section targetSpeedReached = drivingCourse[end][:v] <= 0.0 endOfCSReached = drivingCourse[end][:s] >= CS[:s_exit] || stateFlags[:endOfCSReached] tractionDeficit = drivingCourse[end][:F_T] < drivingCourse[end][:F_R] #|| stateFlags[:tractionDeficit] #s_braking = calcBrakingDistance(drivingCourse[end][:v], CS[:v_exit], train.a_braking, settings.approxLevel) brakingStartReached = drivingCourse[end][:s] + s_braking >= CS[:s_exit] || stateFlags[:brakingStartReached] # use the conditions for the diminishing section if tractionDeficit && !targetSpeedReached && !endOfCSReached BS = createBehaviorSection("diminishing", drivingCourse[end][:s], drivingCourse[end][:v], drivingCourse[end][:i]) drivingCourse[end][:behavior] = BS[:type] while tractionDeficit && !targetSpeedReached && !endOfCSReached && !brakingStartReached currentStepSize=settings.stepSize # initialize the step size that can be reduced near intersections nextPointOfInterest = getNextPointOfInterest(CS[:pointsOfInterest], drivingCourse[end][:s])[1] pointOfInterestReached = drivingCourse[end][:s] >= nextPointOfInterest[1] for cycle in 1:settings.approxLevel+1 # first cycle with normal step size followed by cycles with reduced step size depending on the level of approximation while tractionDeficit && !brakingStartReached && !pointOfInterestReached && !targetSpeedReached # 03/09 old: while drivingCourse[end][:F_T] < drivingCourse[end][:F_R] && !brakingStartReached && drivingCourse[end][:s] < nextPointOfInterest[1] && drivingCourse[end][:v]>0.0 # as long as s_i + s_braking < s_end # acceleration (in m/s^2): drivingCourse[end][:a] = calcAcceleration(drivingCourse[end][:F_T], drivingCourse[end][:F_R], train.m_train_full, train.ξ_train) # create the next data point push!(drivingCourse, moveAStep(drivingCourse[end], settings.stepVariable, currentStepSize, CS[:id])) drivingCourse[end][:behavior] = BS[:type] push!(BS[:dataPoints], drivingCourse[end][:i]) calculateForces!(drivingCourse[end], CSs, CS[:id], BS[:type], train, settings.massModel) # conditions for the next while cycle if !ignoreBraking s_braking = calcBrakingDistance(drivingCourse[end][:v], CS[:v_exit], train.a_braking, settings.approxLevel) end brakingStartReached = drivingCourse[end][:s] +s_braking >= CS[:s_exit] pointOfInterestReached = drivingCourse[end][:s] >= nextPointOfInterest[1] targetSpeedReached = drivingCourse[end][:v] <= 0.0 tractionDeficit = drivingCourse[end][:F_T] < drivingCourse[end][:F_R] endOfCSReached = drivingCourse[end][:s] == CS[:s_exit] end #while if CS[:id]==0 testFlag = true else testFlag = false # for testing end # check which limit was reached and adjust the currentStepSize for the next cycle if cycle < settings.approxLevel+1 if drivingCourse[end][:v] < 0.0 if settings.stepVariable == velocity currentStepSize = drivingCourse[end-1][:v] else currentStepSize = settings.stepSize / 10.0^cycle end elseif drivingCourse[end][:F_T] > drivingCourse[end][:F_R] testFlag && println("in CS",CS[:id]," diminishing cycle",cycle," case: F_T=", drivingCourse[end][:F_T]," > F_R=",drivingCourse[end][:F_R]) # for testing currentStepSize = settings.stepSize / 10.0^cycle elseif s_braking > 0.0 && drivingCourse[end][:s] + s_braking > CS[:s_exit] testFlag && println("in CS",CS[:id]," diminishing cycle",cycle," case: s +s_braking=", drivingCourse[end][:s],"+",s_braking," = ",drivingCourse[end][:s] +s_braking," > s_exit=",CS[:s_exit]) # for testing currentStepSize = settings.stepSize / 10.0^cycle elseif drivingCourse[end][:s] > nextPointOfInterest[1] testFlag && println("in CS",CS[:id]," diminishing cycle",cycle," case: s=", drivingCourse[end][:s]," > nextPOI=",nextPointOfInterest[1]) # for testing if settings.stepVariable == :distance currentStepSize = nextPointOfInterest[1] - drivingCourse[end-1][:s] else currentStepSize = settings.stepSize / 10.0^cycle end elseif drivingCourse[end][:s] + s_braking == CS[:s_exit] testFlag && println("in CS",CS[:id]," diminishing cycle",cycle," case: s +s_braking=", drivingCourse[end][:s],"+",s_braking," = ",drivingCourse[end][:s] +s_braking," == s_exit=",CS[:s_exit]) # for testing break elseif drivingCourse[end][:s] == nextPointOfInterest[1] testFlag && println("in CS",CS[:id]," diminishing cycle",cycle," case: s=", drivingCourse[end][:s]," == nextPOI=",nextPointOfInterest[1]) # for testing break elseif drivingCourse[end][:F_T] == drivingCourse[end][:F_R] testFlag && println("in CS",CS[:id]," diminishing cycle",cycle," case: F_T=", drivingCourse[end][:F_T]," == F_R=",drivingCourse[end][:F_R]) # for testing break elseif drivingCourse[end][:v] == 0.0 error("ERROR: The train stops during diminishing run in CS",CS[:id]," at position s=",drivingCourse[end][:s]," m because the maximum tractive effort is lower than the resistant forces.", " Before the stop the last point has the values s=",drivingCourse[end-1][:s]," m v=",drivingCourse[end-1][:v]," m/s a=",drivingCourse[end-1][:a]," m/s^2", " F_T=",drivingCourse[end-1][:F_T]," N R_traction=",drivingCourse[end-1][:R_traction]," N R_wagons=",drivingCourse[end-1][:R_wagons]," N R_path=",drivingCourse[end-1][:R_path]," N.") else error("ERROR during diminishing run: With the step variable ",settings.stepVariable," the while loop will be left although s+s_braking0.0 in CS",CS[:id]," with s=" ,drivingCourse[end][:s]," m and v=",drivingCourse[end][:v]," m/s") end # delete last data point for recalculating the last step with reduced step size pop!(drivingCourse) pop!(BS[:dataPoints]) # conditions for the next for cycle brakingStartReached = false pointOfInterestReached = false targetSpeedReached = false tractionDeficit = true endOfCSReached = false else # if the level of approximation is reached if drivingCourse[end][:v] <= 0.0 testFlag && println("in CS",CS[:id]," diminishing cycle",cycle," case: v=", drivingCourse[end][:v]," <= 0.0") # for testing # push!(BS[:dataPoints], drivingCourse[end][:i]) error("ERROR: The train stops during diminishing run in CS",CS[:id]," because the maximum tractive effort is lower than the resistant forces.", " Before the stop the last point has the values s=",drivingCourse[end-1][:s]," m v=",drivingCourse[end-1][:v]," m/s a=",drivingCourse[end-1][:a]," m/s^2", " F_T=",drivingCourse[end-1][:F_T]," N R_traction=",drivingCourse[end-1][:R_traction]," N R_wagons=",drivingCourse[end-1][:R_wagons]," N R_path=",drivingCourse[end-1][:R_path]," N.") elseif s_braking > 0.0 && drivingCourse[end][:s] + s_braking > CS[:s_exit] testFlag && println("in CS",CS[:id]," diminishing cycle",cycle," case: s +s_braking=", drivingCourse[end][:s],"+",s_braking," = ",drivingCourse[end][:s] +s_braking," > s_exit=",CS[:s_exit]) # for testing pop!(drivingCourse) pop!(BS[:dataPoints]) pointOfInterestReached = false targetSpeedReached = false tractionDeficit = true endOfCSReached = false elseif drivingCourse[end][:s] > nextPointOfInterest[1] testFlag && println("in CS",CS[:id]," diminishing cycle",cycle," case: s=", drivingCourse[end][:s]," > nextPointOfInterest[1]=",nextPointOfInterest[1]) # for testing drivingCourse[end][:s] = nextPointOfInterest[1] # round s down to nextPointOfInterest drivingCourse[end][:Δs] = drivingCourse[end][:s] - drivingCourse[end-1][:s] elseif drivingCourse[end][:F_T] >= drivingCourse[end][:F_R] testFlag && println("in CS",CS[:id]," diminishing cycle",cycle," case: F_T=", drivingCourse[end][:F_T]," >= F_R=", drivingCourse[end][:F_R]) # for testing break else testFlag && println("in CS",CS[:id]," diminishing cycle",cycle," case: else with v=", drivingCourse[end][:v]," > 0.0 and F_T=", drivingCourse[end][:F_T]," <= F_R=", drivingCourse[end][:F_R]) # for testing #println(" and s +s_braking=", drivingCourse[end][:s],"+",s_braking," = ",drivingCourse[end][:s] +s_braking," <= s_exit=",CS[:s_exit]) # for testing #println(" and s=", drivingCourse[end][:s]," <= nextPointOfInterest[1]=",nextPointOfInterest[1]) # for testing # if drivingCourse[end][:s] + s_braking == CS[:s_exit] # brakingStartReached = true # end end #if # # TODO is it possible to put this into to the if-fork? # if drivingCourse[end][:s] == CS[:s_exit] # endOfCSReached = true # end end #if end #for end #while if length(BS[:dataPoints]) > 1 # TODO: necessary? May it be possible that there is no diminishing because braking has to start? # calculate the accumulated diminishing section information merge!(BS, Dict(:length => drivingCourse[end][:s] - BS[:s_entry], # total length (in m) :s_exit => drivingCourse[end][:s], # last position (in m) :t => drivingCourse[end][:t] - drivingCourse[BS[:dataPoints][1]][:t], # total running time (in s) :E => drivingCourse[end][:E] - drivingCourse[BS[:dataPoints][1]][:E], # total energy consumption (in Ws) :v_exit => drivingCourse[end][:v])) # exit speed (in m/s))) CS[:t] = CS[:t] + BS[:t] # total running time (in s) CS[:E] = CS[:E] + BS[:E] # total energy consumption (in Ws) mergeBehaviorSection!(CS[:behaviorSections], BS) end end # set state flags stateFlags[:endOfCSReached] = endOfCSReached stateFlags[:brakingStartReached] = brakingStartReached stateFlags[:tractionDeficit] = tractionDeficit stateFlags[:resistingForceNegative] = drivingCourse[end][:F_R] < 0 stateFlags[:speedLimitReached] = drivingCourse[end][:v] >= CS[:v_peak] stateFlags[:error] = !(endOfCSReached || brakingStartReached || !tractionDeficit) return (CS, drivingCourse, stateFlags) end #function addDiminishingSection! ## This function calculates the data points of the coasting section. # Therefore it gets its previous driving course and the characteristic section and returns the characteristic section and driving course including the coasting section function addCoastingSection!(CS::Dict, drivingCourse::Vector{Dict}, stateFlags::Dict, settings::Settings, train::Train, CSs::Vector{Dict}) # TODO: if the rear of the train is still located in a former characteristic section it has to be checked if its speed limit can be kept # with getCurrentSpeedLimit # conditions for coasting section targetSpeedReached = drivingCourse[end][:v] <= CS[:v_exit] endOfCSReached = drivingCourse[end][:s] >= CS[:s_exit] || stateFlags[:endOfCSReached] s_braking = calcBrakingDistance(drivingCourse[end][:v], CS[:v_exit], train.a_braking, settings.approxLevel) brakingStartReached = drivingCourse[end][:s] + s_braking >= CS[:s_exit] || stateFlags[:brakingStartReached] # use the conditions for the coasting section if !targetSpeedReached && !endOfCSReached BS = createBehaviorSection("coasting", drivingCourse[end][:s], drivingCourse[end][:v], drivingCourse[end][:i]) drivingCourse[end][:behavior] = BS[:type] while !targetSpeedReached && !endOfCSReached && !brakingStartReached currentStepSize=settings.stepSize # initialize the step size that can be reduced near intersections nextPointOfInterest[1] = getNextPointOfInterest(CS[:pointsOfInterest], drivingCourse[end][:s]) pointOfInterestReached = drivingCourse[end][:s] >= nextPointOfInterest[1] for cycle in 1:settings.approxLevel+1 # first cycle with normal step size followed by cycles with reduced step size depending on the level of approximation while !targetSpeedReached && !brakingStartReached && !pointOfInterestReached # 03/09 old : while drivingCourse[end][:v] > CS[:v_exit] && drivingCourse[end][:v] <= CS[:v_peak] && !brakingStartReached && drivingCourse[end][:s] < nextPointOfInterest[1] # traction effort and resisting forces (in N): calculateForces!(drivingCourse[end], CSs, CS[:id], BS[:type], train, settings.massModel) # acceleration (in m/s^2): drivingCourse[end][:a] = calcAcceleration(drivingCourse[end][:F_T], drivingCourse[end][:F_R], train.m_train_full, train.ξ_train) # create the next data point push!(drivingCourse, moveAStep(drivingCourse[end], settings.stepVariable, currentStepSize, CS[:id])) drivingCourse[end][:behavior] = BS[:type] push!(BS[:dataPoints], drivingCourse[end][:i]) # conditions for the next while cycle s_braking = calcBrakingDistance(drivingCourse[end][:v], CS[:v_exit], train.a_braking, settings.approxLevel) brakingStartReached = drivingCourse[end][:s] + s_braking >= CS[:s_exit] pointOfInterestReached = drivingCourse[end][:s] >= nextPointOfInterest[1] targetSpeedReached = drivingCourse[end][:v] <= CS[:v_exit] || drivingCourse[end][:v] > CS[:v_peak] end # while testFlag = false # check which limit was reached and adjust the currentStepSize for the next cycle if cycle < settings.approxLevel+1 if drivingCourse[end][:s] + s_braking > CS[:s_exit] testFlag && println("in CS",CS[:id]," coasting cycle",cycle," case: s +s_braking=", drivingCourse[end][:s],"+",s_braking," = ",drivingCourse[end][:s] +s_braking," > s_exit=",CS[:s_exit]) # for testing currentStepSize = settings.stepSize / 10.0^cycle elseif drivingCourse[end][:s] > nextPointOfInterest[1] testFlag && println("in CS",CS[:id]," coasting cycle",cycle," case: s=", drivingCourse[end][:s]," > nextPointOfInterest[1]=",nextPointOfInterest[1]) # for testing if settings.stepVariable == :distance currentStepSize = nextPointOfInterest[1] - drivingCourse[end-1][:s] else currentStepSize = settings.stepSize / 10.0^cycle end elseif drivingCourse[end][:v] < CS[:v_exit] # TODO: if accelereation and coasting functions will be combined this case is only for coasting testFlag && println("in CS",CS[:id]," coasting cycle",cycle," case: v=", drivingCourse[end][:v]," < v_exit=", CS[:v_exit]) # for testing if settings.stepVariable == velocity currentStepSize = drivingCourse[end-1][:v] - CS[:v_exit] else currentStepSize = settings.stepSize / 10.0^cycle end elseif drivingCourse[end][:v] > CS[:v_peak] testFlag && println("in CS",CS[:id]," coasting cycle",cycle," case: v=", drivingCourse[end][:v]," > v_peak=", CS[:v_peak]) # for testing if settings.stepVariable == velocity currentStepSize = CS[:v_peak] - drivingCourse[end-1][:v] else currentStepSize = settings.stepSize / 10.0^cycle end elseif drivingCourse[end][:s] + s_braking == CS[:s_exit] testFlag && println("in CS",CS[:id]," coasting cycle",cycle," case: s +s_braking=", drivingCourse[end][:s],"+",s_braking," = ",drivingCourse[end][:s] +s_braking," == s_exit=",CS[:s_exit]) # for testing break elseif drivingCourse[end][:v] == CS[:v_exit] testFlag && println("in CS",CS[:id]," coasting cycle",cycle," case: v=", drivingCourse[end][:v]," == v_exit=", CS[:v_exit]) # for testing break elseif drivingCourse[end][:s] == nextPointOfInterest[1] testFlag && println("in CS",CS[:id]," coasting cycle",cycle," case: s =", drivingCourse[end][:s]," > nextPointOfInterest[1]=",nextPointOfInterest[1]) # for testing break else # TODO: not needed. just for testing error("ERROR at coasting until braking section: With the step variable ",settings.stepVariable," the while loop will be left although v CS[:s_exit] # delete last data point because it went to far pop!(drivingCourse) pop!(BS[:dataPoints]) # conditions for the next for cycle # brakingStartReached = true pointOfInterestReached = false targetSpeedReached = false elseif drivingCourse[end][:v] > CS[:v_peak] # if the train gets to fast it has to brake # TODO: if accelereation and coasting functions will be combined this case is different for coasting and also the order of if cases is different # delete last data point because it went to far pop!(drivingCourse) pop!(BS[:dataPoints]) # conditions for the next for cycle brakingStartReached = false pointOfInterestReached = false # targetSpeedReached = true elseif drivingCourse[end][:s] > nextPointOfInterest[1] drivingCourse[end][:s] = nextPointOfInterest[1] # round s down to nextPointOfInterest drivingCourse[end][:Δs] = drivingCourse[end][:s] - drivingCourse[end-1][:s] else # do nothing for example for drivingCourse[end][:s] + s_braking == CS[:s_exit] end end end #for end #while stateFlags[:speedLimitReached] = false # calculate the accumulated coasting section information merge!(BS, Dict(:length => drivingCourse[end][:s] - BS[:s_entry], # total length (in m) :s_exit => drivingCourse[end][:s], # last position (in m) :t => drivingCourse[end][:t] - drivingCourse[BS[:dataPoints][1]][:t], # total running time (in s) :E => drivingCourse[end][:E] - drivingCourse[BS[:dataPoints][1]][:E], # total energy consumption (in Ws) :v_exit => drivingCourse[end][:v])) # exit speed (in m/s))) CS[:t] = CS[:t] + BS[:t] # total running time (in s) CS[:E] = CS[:E] + BS[:E] # total energy consumption (in Ws) merge!(CS[:behaviorSections], Dict(:coasting=>BS)) end # set state flags stateFlags[:endOfCSReached] = endOfCSReached stateFlags[:brakingStartReached] = brakingStartReached stateFlags[:tractionDeficit] = drivingCourse[end][:F_T] < drivingCourse[end][:F_R] stateFlags[:resistingForceNegative] = drivingCourse[end][:F_R] < 0 stateFlags[:error] = !(endOfCSReached || brakingStartReached || stateFlags[:tractionDeficit] || previousSpeedLimitReached || targetSpeedReached) return (CS, drivingCourse, stateFlags) end #function addCoastingSection! ## This function calculates the data points of the braking section. # Therefore it gets its first data point and the characteristic section and returns the characteristic section including the behavior section for braking if needed. function addBrakingSection!(CS::Dict, drivingCourse::Vector{Dict}, stateFlags::Dict, settings::Settings, train::Train, CSs::Vector{Dict}) # conditions for braking section targetSpeedReached = drivingCourse[end][:v] <= CS[:v_exit] endOfCSReached = drivingCourse[end][:s] >= CS[:s_exit] || stateFlags[:endOfCSReached] # use the conditions for the braking section if !targetSpeedReached && !endOfCSReached BS = createBehaviorSection("braking", drivingCourse[end][:s], drivingCourse[end][:v], drivingCourse[end][:i]) drivingCourse[end][:behavior] = BS[:type] while !targetSpeedReached && !endOfCSReached currentStepSize = settings.stepSize # initialize the step size that can be reduced near intersections nextPointOfInterest = getNextPointOfInterest(CS[:pointsOfInterest], drivingCourse[end][:s]) pointOfInterestReached = drivingCourse[end][:s] >= nextPointOfInterest[1] for cycle in 1:settings.approxLevel+1 # first cycle with normal step size followed by cycles with reduced step size depending on the level of approximation while !targetSpeedReached && !endOfCSReached && !pointOfInterestReached # 03/09 old: while drivingCourse[end][:v] > CS[:v_exit] && !targetSpeedReached && drivingCourse[end][:s] < CS[:s_exit] && drivingCourse[end][:s] < nextPointOfInterest[1] # traction effort and resisting forces (in N): calculateForces!(drivingCourse[end], CSs, CS[:id], BS[:type], train, settings.massModel) # acceleration (in m/s^2): drivingCourse[end][:a] = train.a_braking # TODO or: drivingCourse[end][:a] = calcBrakingAcceleration(drivingCourse[end][:v], CS[:v_exit], CS[:s_exit]-drivingCourse[end][:s]) if settings.stepVariable == :distance && ((drivingCourse[end][:v]/drivingCourse[end][:a])^2+2*currentStepSize/drivingCourse[end][:a])<0.0 || (drivingCourse[end][:v]^2+2*currentStepSize*drivingCourse[end][:a])<0.0 # create empty data point and set it for the values of s_exit and v_exit push!(drivingCourse, createDataPoint()) drivingCourse[end][:i] = drivingCourse[end-1][:i]+1 drivingCourse[end][:behavior] = BS[:type] push!(BS[:dataPoints], drivingCourse[end][:i]) recalculateLastBrakingPoint!(drivingCourse, CS[:s_exit], CS[:v_exit]) else # create the next data point push!(drivingCourse, moveAStep(drivingCourse[end], settings.stepVariable, currentStepSize, CS[:id])) drivingCourse[end][:behavior] = BS[:type] push!(BS[:dataPoints], drivingCourse[end][:i]) end #println(drivingCourse[end][:i],". s=",drivingCourse[end][:s]," s_exit=", CS[:s_exit]," v_exit=", CS[:v_exit]," v=",drivingCourse[end][:v]) # conditions for the next while cycle pointOfInterestReached = drivingCourse[end][:s] >= nextPointOfInterest[1] endOfCSReached = drivingCourse[end][:s] >= CS[:s_exit] targetSpeedReached = drivingCourse[end][:v] <= CS[:v_exit] end # while # check which limit was reached and adjust the currentStepSize for the next cycle # TODO: is there a better way than rounding like in the following? if cycle < settings.approxLevel+1 if drivingCourse[end][:v] < CS[:v_exit] if settings.stepVariable == :velocity currentStepSize = drivingCourse[end-1][:v] - CS[:v_exit] else currentStepSize = settings.stepSize / 10.0^cycle end elseif drivingCourse[end][:s] > nextPointOfInterest[1] if settings.stepVariable == :distance currentStepSize = nextPointOfInterest[1] - drivingCourse[end-1][:s] else currentStepSize = settings.stepSize / 10.0^cycle end elseif drivingCourse[end][:v] == CS[:v_exit] && drivingCourse[end][:s] == CS[:s_exit] break elseif drivingCourse[end][:v] == CS[:v_exit] recalculateLastBrakingPoint!(drivingCourse, CS[:s_exit], CS[:v_exit]) endOfCSReached = true # println(" with a=", drivingCourse[end-1][:a]) # for testing break elseif drivingCourse[end][:s] == CS[:s_exit] # println("during braking section in CS",CS[:id],": rounding v down from ", drivingCourse[end][:v] ," to ", CS[:v_exit]) # for testing recalculateLastBrakingPoint!(drivingCourse, CS[:s_exit], CS[:v_exit]) targetSpeedReached = true # println(" with a=", drivingCourse[end-1][:a]) # for testing break elseif drivingCourse[end][:s] == nextPointOfInterest[1] break end # delete last data point for recalculating the last step with reduced step size pop!(drivingCourse) pop!(BS[:dataPoints]) # conditions for the next for cycle pointOfInterestReached = false endOfCSReached = false targetSpeedReached = false else # if the level of approximation is reached if drivingCourse[end][:v] < 0.0 # TODO: drivingCourse[end][:v] < CS[:v_exit] should be enough # reset last point with setting v=v_exit # println("during braking section in CS",CS[:id],": rounding v up from ", drivingCourse[end][:v] ," to ", CS[:v_exit]) # for testing recalculateLastBrakingPoint!(drivingCourse, CS[:s_exit], 0.0) endOfCSReached = true break elseif drivingCourse[end][:s] > CS[:s_exit] # println("during braking section in CS",CS[:id],": rounding s down from ", drivingCourse[end][:s] ," to ", CS[:s_exit]) # for testing # recalculateLastBrakingPoint!(drivingCourse, CS[:s_exit], CS[:v_exit]) drivingCourse[end][:s] = CS[:s_exit] break elseif drivingCourse[end][:s] > nextPointOfInterest[1] drivingCourse[end][:s] = nextPointOfInterest[1] # round s down to nextPointOfInterest drivingCourse[end][:Δs] = drivingCourse[end][:s] - drivingCourse[end-1][:s] break elseif drivingCourse[end][:v] == CS[:v_exit] && drivingCourse[end][:s] == CS[:s_exit] break elseif drivingCourse[end][:v] < CS[:v_exit] # reset last point with setting v=v_exit # println("during braking section in CS",CS[:id],": rounding s up from ", drivingCourse[end][:s] ," to ", CS[:s_exit]) # for testing recalculateLastBrakingPoint!(drivingCourse, CS[:s_exit], CS[:v_exit]) endOfCSReached = true break elseif drivingCourse[end][:v] == CS[:v_exit] # println("during braking section in CS",CS[:id],": rounding s up from ", drivingCourse[end][:s] ," to ", CS[:s_exit]) # for testing recalculateLastBrakingPoint!(drivingCourse, CS[:s_exit], CS[:v_exit]) endOfCSReached = true break elseif drivingCourse[end][:s] == CS[:s_exit] # println("during braking section in CS",CS[:id],": rounding v down from ", drivingCourse[end][:v] ," to ", CS[:v_exit]) # for testing recalculateLastBrakingPoint!(drivingCourse, CS[:s_exit], CS[:v_exit]) targetSpeedReached = true break else # do nothing for example for drivingCourse[end][:s]==nextPointOfInterest[1] end end end #for end #while # calculate the accumulated coasting section information merge!(BS, Dict(:length => drivingCourse[end][:s] - BS[:s_entry], # total length (in m) :s_exit => drivingCourse[end][:s], # last position (in m) :t => drivingCourse[end][:t] - drivingCourse[BS[:dataPoints][1]][:t], # total running time (in s) :E => drivingCourse[end][:E] - drivingCourse[BS[:dataPoints][1]][:E], # total energy consumption (in Ws) :v_exit => drivingCourse[end][:v])) # exit speed (in m/s))) CS[:t] = CS[:t] + BS[:t] # total running time (in s) CS[:E] = CS[:E] + BS[:E] # total energy consumption (in Ws) merge!(CS[:behaviorSections], Dict(:braking=>BS)) end # else: return the characteristic section without a braking section # set state flags currentSpeedLimit = getCurrentSpeedLimit(CSs, CS[:id], drivingCourse[end][:s], train.length) stateFlags[:previousSpeedLimitReached] = currentSpeedLimit[:v] != CS[:v_limit] && drivingCourse[end][:v] >= currentSpeedLimit[:v] stateFlags[:speedLimitReached] = drivingCourse[end][:v] >= CS[:v_exit] stateFlags[:endOfCSReached] = endOfCSReached stateFlags[:error] = !(endOfCSReached) calculateForces!(drivingCourse[end], CSs, CS[:id], "default", train, settings.massModel) stateFlags[:resistingForceNegative] = drivingCourse[end][:F_R] < 0 return (CS, drivingCourse, stateFlags) end #function addBrakingSection! ## This function calculates the data point of the standstill. # Therefore it gets its first data point and the characteristic section and returns the characteristic section including the standstill if needed. function addStandstill!(CS::Dict, drivingCourse::Vector{Dict}, settings::Settings, train::Train, CSs::Vector{Dict}) if drivingCourse[end][:v] == 0.0 BS = createBehaviorSection("standstill", drivingCourse[end][:s], drivingCourse[end][:v], drivingCourse[end][:i]) merge!(BS, Dict(:length => 0.0, # total length (in m) :t => 0.0, # total running time (in s) :E => 0.0, # total energy consumption (in Ws) :s_exit => drivingCourse[end][:s], # last position (in m) :v_exit => drivingCourse[end][:v])) # exit speed (in m/s))) drivingCourse[end][:behavior] = BS[:type] # traction effort and resisting forces (in N) calculateForces!(drivingCourse[end], CSs, CS[:id], BS[:type], train, settings.massModel) merge!(CS[:behaviorSections], Dict(:standstill => BS)) end # else: return the characteristic section without a standstillSection section return (CS, drivingCourse) end #function addStandstill! function mergeBehaviorSection!(BSs::Dict, BS::Dict) if !haskey(BSs, Symbol(BS[:type])) merge!(BSs, Dict(Symbol(BS[:type]) => BS)) else number = "2" while haskey(BSs, Symbol(BS[:type]*number)) number = string(parse(Int, number)+1) end merge!(BSs, Dict(Symbol(BS[:type]*number) => BS)) # println("INFO: The ",number,". ",BS[:type]," section has been created. ! ! ! ! ! ! ! ! !") end return BSs end #function mergeBehaviorSection! function recalculateLastBrakingPoint!(drivingCourse, s_target, v_target) currentPoint = drivingCourse[end] previousPoint = drivingCourse[end-1] # set s and v currentPoint[:s] = s_target # position (in m) currentPoint[:v] = v_target # velocity (in m/s) currentPoint[:Δs] = currentPoint[:s] - previousPoint[:s] # step size (in m) currentPoint[:Δv] = currentPoint[:v] - previousPoint[:v] # step size (in m/s) # calculate other values previousPoint[:a] = calcBrakingAcceleration(previousPoint[:v], currentPoint[:v], currentPoint[:Δs]) # # TODO: just for testing # if previousPoint[:a]=0.0 # println("Warning: a_braking gets to high in CS ",CS[:id], " with a=",previousPoint[:a] ," > ",train.a_braking) # end currentPoint[:Δt] = calc_Δt_with_Δv(currentPoint[:Δv], previousPoint[:a]) # step size (in s) currentPoint[:t] = previousPoint[:t] + currentPoint[:Δt] # point in time (in s) currentPoint[:ΔW] = 0.0 # mechanical work in this step (in Ws) currentPoint[:W] = previousPoint[:W] + currentPoint[:ΔW] # mechanical work (in Ws) currentPoint[:ΔE] = currentPoint[:ΔW] # energy consumption in this step (in Ws) currentPoint[:E] = previousPoint[:E] + currentPoint[:ΔE] # energy consumption (in Ws) end #function recalculateLastBrakingPoint