35 myK(vtype->getParameter().getCFParam(
SUMO_ATTR_K, 0.5)),
37 myTauDecel(myDecel * myHeadwayTime) {
78 if (predSpeed == 0 && gap < 0.01) {
86 double va =
MAX2((
double) 0,
MIN3(vfree, vsafe, vcond)) + vars->
rand;
@ SUMO_ATTR_CF_KERNER_PHI
@ SUMO_ATTR_COLLISION_MINGAP_FACTOR
T MIN4(T a, T b, T c, T d)
std::mt19937 * getRNG() const
MSCFModel * duplicate(const MSVehicleType *vtype) const
Duplicates the car-following model.
~MSCFModel_Kerner()
Destructor.
double myTauDecel
The precomputed value for myDecel*myTau.
double myPhi
Kerner's phi.
double _v(const MSVehicle *const veh, double speed, double vfree, double gap, double predSpeed) const
Returns the "safe" velocity.
double followSpeed(const MSVehicle *const veh, double speed, double gap2pred, double predSpeed, double predMaxDecel, const MSVehicle *const pred=0) const
Computes the vehicle's safe speed (no dawdling)
MSCFModel::VehicleVariables * createVehicleVariables() const
Returns model specific values which are stored inside a vehicle and must be used with casting.
double finalizeSpeed(MSVehicle *const veh, double vPos) const
Applies interaction with stops and lane changing model influences.
MSCFModel_Kerner(const MSVehicleType *vtype)
Constructor.
double stopSpeed(const MSVehicle *const veh, const double speed, double gap2pred) const
Computes the vehicle's safe speed for approaching a non-moving obstacle (no dawdling)
The car-following model abstraction.
virtual double maxNextSpeed(double speed, const MSVehicle *const veh) const
Returns the maximum speed given the current speed.
virtual double finalizeSpeed(MSVehicle *const veh, double vPos) const
Applies interaction with stops and lane changing model influences. Called at most once per simulation...
double myCollisionMinGapFactor
The factor of minGap that must be maintained to avoid a collision event.
double myDecel
The vehicle's maximum deceleration [m/s^2].
double myAccel
The vehicle's maximum acceleration [m/s^2].
Representation of a vehicle in the micro simulation.
MSCFModel::VehicleVariables * getCarFollowVariables() const
Returns the vehicle's car following model variables.
The car-following model and parameter.
const SUMOVTypeParameter & getParameter() const
static double rand(std::mt19937 *rng=nullptr)
Returns a random real number in [0, 1)
double getCFParam(const SumoXMLAttr attr, const double defaultValue) const
Returns the named value from the map, or the default if it is not contained there.