SUMO - Simulation of Urban MObility
MSCFModel_IDM.h
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1 /****************************************************************************/
9 // The Intelligent Driver Model (IDM) car-following model
10 /****************************************************************************/
11 // SUMO, Simulation of Urban MObility; see http://sumo.dlr.de/
12 // Copyright (C) 2001-2016 DLR (http://www.dlr.de/) and contributors
13 /****************************************************************************/
14 //
15 // This file is part of SUMO.
16 // SUMO is free software: you can redistribute it and/or modify
17 // it under the terms of the GNU General Public License as published by
18 // the Free Software Foundation, either version 3 of the License, or
19 // (at your option) any later version.
20 //
21 /****************************************************************************/
22 #ifndef MSCFMODEL_IDM_H
23 #define MSCFMODEL_IDM_H
24 
25 // ===========================================================================
26 // included modules
27 // ===========================================================================
28 #ifdef _MSC_VER
29 #include <windows_config.h>
30 #else
31 #include <config.h>
32 #endif
33 
34 #include "MSCFModel.h"
35 #include <microsim/MSLane.h>
36 #include <microsim/MSVehicle.h>
37 #include <microsim/MSVehicleType.h>
39 
40 
41 // ===========================================================================
42 // class definitions
43 // ===========================================================================
48 class MSCFModel_IDM : public MSCFModel {
49 public:
57  MSCFModel_IDM(const MSVehicleType* vtype, SUMOReal accel, SUMOReal decel,
58  SUMOReal headwayTime, SUMOReal delta, SUMOReal internalStepping);
59 
60 
69  MSCFModel_IDM(const MSVehicleType* vtype, SUMOReal accel, SUMOReal decel,
70  SUMOReal headwayTime, SUMOReal adaptationFactor, SUMOReal adaptationTime,
71  SUMOReal internalStepping);
72 
73 
76 
77 
80 
86  SUMOReal moveHelper(MSVehicle* const veh, SUMOReal vPos) const;
87 
88 
97  SUMOReal followSpeed(const MSVehicle* const veh, SUMOReal speed, SUMOReal gap2pred, SUMOReal predSpeed, SUMOReal predMaxDecel) const;
98 
99 
107  SUMOReal stopSpeed(const MSVehicle* const veh, const SUMOReal speed, SUMOReal gap2pred) const;
108 
109 
119  SUMOReal interactionGap(const MSVehicle* const , SUMOReal vL) const;
120 
121 
126  int getModelID() const {
128  }
130 
131 
132 
137  MSCFModel* duplicate(const MSVehicleType* vtype) const;
138 
139 
141  if (myAdaptationFactor != 1.) {
142  return new VehicleVariables();
143  }
144  return 0;
145  }
146 
147 
148 private:
150  public:
154  };
155 
156 
157 private:
158  SUMOReal _v(const MSVehicle* const veh, const SUMOReal gap2pred, const SUMOReal mySpeed,
159  const SUMOReal predSpeed, const SUMOReal desSpeed, const bool respectMinGap = true) const;
160 
161 
162 private:
165 
168 
171 
173  const int myIterations;
174 
177 
178 private:
181 };
182 
183 #endif /* MSCFMODEL_IDM_H */
~MSCFModel_IDM()
Destructor.
Representation of a vehicle in the micro simulation.
Definition: MSVehicle.h:82
MSCFModel * duplicate(const MSVehicleType *vtype) const
Duplicates the car-following model.
SUMOReal moveHelper(MSVehicle *const veh, SUMOReal vPos) const
Applies interaction with stops and lane changing model influences.
The Intelligent Driver Model (IDM) car-following model.
Definition: MSCFModel_IDM.h:48
The car-following model abstraction.
Definition: MSCFModel.h:60
const SUMOReal myDelta
The IDM delta exponent.
SUMOReal levelOfService
state variable for remembering speed deviation history (lambda)
SUMOReal followSpeed(const MSVehicle *const veh, SUMOReal speed, SUMOReal gap2pred, SUMOReal predSpeed, SUMOReal predMaxDecel) const
Computes the vehicle&#39;s safe speed (no dawdling)
The car-following model and parameter.
Definition: MSVehicleType.h:74
MSCFModel_IDM & operator=(const MSCFModel_IDM &s)
Invalidated assignment operator.
MSCFModel_IDM(const MSVehicleType *vtype, SUMOReal accel, SUMOReal decel, SUMOReal headwayTime, SUMOReal delta, SUMOReal internalStepping)
Constructor.
const SUMOReal myTwoSqrtAccelDecel
A computational shortcut.
SUMOReal stopSpeed(const MSVehicle *const veh, const SUMOReal speed, SUMOReal gap2pred) const
Computes the vehicle&#39;s safe speed for approaching a non-moving obstacle (no dawdling) ...
const int myIterations
The number of iterations in speed calculations.
SUMOReal interactionGap(const MSVehicle *const, SUMOReal vL) const
Returns the maximum gap at which an interaction between both vehicles occurs.
int getModelID() const
Returns the model&#39;s name.
SUMOReal _v(const MSVehicle *const veh, const SUMOReal gap2pred, const SUMOReal mySpeed, const SUMOReal predSpeed, const SUMOReal desSpeed, const bool respectMinGap=true) const
#define SUMOReal
Definition: config.h:213
const SUMOReal myAdaptationFactor
The IDMM adaptation factor beta.
const SUMOReal myAdaptationTime
The IDMM adaptation time tau.
VehicleVariables * createVehicleVariables() const
Returns model specific values which are stored inside a vehicle and must be used with casting...