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Eclipse SUMO - Simulation of Urban MObility
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Provides an interface to an error whose fluctuation is controlled via the driver's 'awareness', which can be controlled externally,. More...
#include <MSDriverState.h>
Public Member Functions | |
bool | debugLocked () const |
void | lockDebug () |
MSSimpleDriverState (MSVehicle *veh) | |
void | unlockDebug () |
void | update () |
Trigger updates for the errorProcess, assumed gaps, etc. More... | |
void | updateAssumedGaps () |
Update the assumed gaps to the known objects according to the corresponding perceived speed differences. More... | |
virtual | ~MSSimpleDriverState () |
Getter methods | |
double | getMinAwareness () const |
double | getInitialAwareness () const |
double | getErrorTimeScaleCoefficient () const |
double | getErrorNoiseIntensityCoefficient () const |
double | getErrorTimeScale () const |
double | getErrorNoiseIntensity () const |
double | getSpeedDifferenceErrorCoefficient () const |
double | getHeadwayErrorCoefficient () const |
double | getSpeedDifferenceChangePerceptionThreshold () const |
double | getHeadwayChangePerceptionThreshold () const |
double | getAwareness () const |
double | getMaximalReactionTime () const |
double | getOriginalReactionTime () const |
double | getActionStepLength () const |
double | getErrorState () const |
Setter methods | |
void | setMinAwareness (const double value) |
void | setInitialAwareness (const double value) |
void | setErrorTimeScaleCoefficient (const double value) |
void | setErrorNoiseIntensityCoefficient (const double value) |
void | setSpeedDifferenceErrorCoefficient (const double value) |
void | setHeadwayErrorCoefficient (const double value) |
void | setSpeedDifferenceChangePerceptionThreshold (const double value) |
void | setHeadwayChangePerceptionThreshold (const double value) |
void | setMaximalReactionTime (const double value) |
void | setOriginalReactionTime (const double value) |
void | setAwareness (const double value) |
void | setErrorState (const double state) |
void | setErrorTimeScale (const double value) |
void | setErrorNoiseIntensity (const double value) |
Methods to obtain the current error quantities to be used by the car-following model | |
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double | getPerceivedSpeedDifference (const double trueSpeedDifference, const double trueGap, const void *objID=nullptr) |
This method checks whether the errorneous speed difference that would be perceived for this step differs sufficiently from the previously perceived to be actually perceived. If so, it sets the flag myReactionFlag[objID]=true, which should be checked just after the call to this method because it will be overwritten by subsequent calls. More... | |
double | getPerceivedHeadway (const double trueGap, const void *objID=nullptr) |
Private Member Functions | |
void | updateError () |
void | updateReactionTime () |
void | updateStepDuration () |
Private Attributes | |
double | myActionStepLength |
Action step length (~current maximal reaction time) induced by awareness level. More... | |
double | myAwareness |
Driver's 'awareness' \in [0,1]. More... | |
bool | myDebugLock |
Used to prevent infinite loops in debugging outputs,. More... | |
OUProcess | myError |
Driver's 'error',. More... | |
double | myErrorNoiseIntensityCoefficient |
Coefficient controlling the impact of awareness on the noise intensity of the error process. More... | |
double | myErrorTimeScaleCoefficient |
Coefficient controlling the impact of awareness on the time scale of the error process. More... | |
double | myHeadwayChangePerceptionThreshold |
Thresholds above a change in the corresponding quantity is perceived. More... | |
double | myHeadwayErrorCoefficient |
double | myInitialAwareness |
Initial value for 'awareness' \in [0,1]. More... | |
double | myMaximalReactionTime |
Maximal reaction time (value set for the actionStepLength at awareness=myMinAwareness) More... | |
double | myMinAwareness |
Minimal value for 'awareness' \in [0,1]. More... | |
double | myOriginalReactionTime |
Maximal reaction time (value set for the actionStepLength at awareness=1) More... | |
double | mySpeedDifferenceChangePerceptionThreshold |
double | mySpeedDifferenceErrorCoefficient |
Scaling coefficients for the magnitude of errors. More... | |
MSVehicle * | myVehicle |
Vehicle corresponding to this driver state. More... | |
Variables for tracking update instants | |
Elapsed time since the last state update
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double | myStepDuration |
double | myLastUpdateTime |
Time point of the last state update. More... | |
std::map< const void *, double > | myAssumedGap |
The assumed gaps to different objects. More... | |
std::map< const void *, double > | myLastPerceivedSpeedDifference |
The last perceived speed differences to the corresponding objects. More... | |
Provides an interface to an error whose fluctuation is controlled via the driver's 'awareness', which can be controlled externally,.
Definition at line 104 of file MSDriverState.h.
MSSimpleDriverState::MSSimpleDriverState | ( | MSVehicle * | veh | ) |
Definition at line 127 of file MSDriverState.cpp.
References MSBaseVehicle::getID(), updateError(), and updateReactionTime().
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Definition at line 108 of file MSDriverState.h.
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Definition at line 267 of file MSDriverState.h.
References myDebugLock.
Referenced by getPerceivedHeadway(), and getPerceivedSpeedDifference().
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Definition at line 165 of file MSDriverState.h.
References myActionStepLength.
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Definition at line 153 of file MSDriverState.h.
References myAwareness.
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Definition at line 133 of file MSDriverState.h.
References OUProcess::getNoiseIntensity(), and myError.
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Definition at line 125 of file MSDriverState.h.
References myErrorNoiseIntensityCoefficient.
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Definition at line 169 of file MSDriverState.h.
References OUProcess::getState(), and myError.
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Definition at line 129 of file MSDriverState.h.
References OUProcess::getTimeScale(), and myError.
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Definition at line 121 of file MSDriverState.h.
References myErrorTimeScaleCoefficient.
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Definition at line 149 of file MSDriverState.h.
References myHeadwayChangePerceptionThreshold.
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Definition at line 141 of file MSDriverState.h.
References myHeadwayErrorCoefficient.
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Definition at line 117 of file MSDriverState.h.
References myInitialAwareness.
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Definition at line 157 of file MSDriverState.h.
References myMaximalReactionTime.
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Definition at line 113 of file MSDriverState.h.
References myMinAwareness.
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Definition at line 161 of file MSDriverState.h.
References myOriginalReactionTime.
double MSSimpleDriverState::getPerceivedHeadway | ( | const double | trueGap, |
const void * | objID = nullptr |
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Definition at line 223 of file MSDriverState.cpp.
References DEBUG_COND, debugLocked(), MSBaseVehicle::getID(), OUProcess::getState(), myAssumedGap, myAwareness, myError, myHeadwayChangePerceptionThreshold, myHeadwayErrorCoefficient, myVehicle, SIMTIME, and toString().
double MSSimpleDriverState::getPerceivedSpeedDifference | ( | const double | trueSpeedDifference, |
const double | trueGap, | ||
const void * | objID = nullptr |
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This method checks whether the errorneous speed difference that would be perceived for this step differs sufficiently from the previously perceived to be actually perceived. If so, it sets the flag myReactionFlag[objID]=true, which should be checked just after the call to this method because it will be overwritten by subsequent calls.
Definition at line 281 of file MSDriverState.cpp.
References DEBUG_COND, debugLocked(), MSBaseVehicle::getID(), OUProcess::getState(), myAwareness, myError, myLastPerceivedSpeedDifference, mySpeedDifferenceChangePerceptionThreshold, mySpeedDifferenceErrorCoefficient, myVehicle, SIMTIME, and toString().
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Definition at line 145 of file MSDriverState.h.
References mySpeedDifferenceChangePerceptionThreshold.
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Definition at line 137 of file MSDriverState.h.
References mySpeedDifferenceErrorCoefficient.
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Definition at line 259 of file MSDriverState.h.
References myDebugLock.
void MSSimpleDriverState::setAwareness | ( | const double | value | ) |
Definition at line 206 of file MSDriverState.cpp.
References DEBUG_COND, MSBaseVehicle::getID(), MAX2(), myAwareness, myError, myMinAwareness, myVehicle, OUProcess::setState(), SIMTIME, and updateReactionTime().
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Definition at line 229 of file MSDriverState.h.
References myError, and OUProcess::setNoiseIntensity().
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Definition at line 189 of file MSDriverState.h.
References myErrorNoiseIntensityCoefficient.
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Definition at line 221 of file MSDriverState.h.
References myError, and OUProcess::setState().
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Definition at line 225 of file MSDriverState.h.
References myError, and OUProcess::setTimeScale().
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Definition at line 185 of file MSDriverState.h.
References myErrorTimeScaleCoefficient.
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Definition at line 205 of file MSDriverState.h.
References myHeadwayChangePerceptionThreshold.
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Definition at line 197 of file MSDriverState.h.
References myHeadwayErrorCoefficient.
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Definition at line 181 of file MSDriverState.h.
References myInitialAwareness.
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Definition at line 209 of file MSDriverState.h.
References myMaximalReactionTime, and updateReactionTime().
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Definition at line 177 of file MSDriverState.h.
References myMinAwareness.
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Definition at line 214 of file MSDriverState.h.
References myOriginalReactionTime, and updateReactionTime().
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Definition at line 201 of file MSDriverState.h.
References mySpeedDifferenceChangePerceptionThreshold.
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Definition at line 193 of file MSDriverState.h.
References mySpeedDifferenceErrorCoefficient.
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Definition at line 263 of file MSDriverState.h.
References myDebugLock.
void MSSimpleDriverState::update | ( | ) |
Trigger updates for the errorProcess, assumed gaps, etc.
Definition at line 153 of file MSDriverState.cpp.
References DEBUG_COND, MSBaseVehicle::getID(), OUProcess::getState(), myError, myStepDuration, myVehicle, SIMTIME, updateAssumedGaps(), updateError(), updateReactionTime(), and updateStepDuration().
void MSSimpleDriverState::updateAssumedGaps | ( | ) |
Update the assumed gaps to the known objects according to the corresponding perceived speed differences.
Definition at line 264 of file MSDriverState.cpp.
References MSVehicle::getSpeed(), myAssumedGap, myLastPerceivedSpeedDifference, myVehicle, and SPEED2DIST.
Referenced by update().
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Definition at line 181 of file MSDriverState.cpp.
References myAwareness, myError, myErrorNoiseIntensityCoefficient, myErrorTimeScaleCoefficient, myStepDuration, OUProcess::setNoiseIntensity(), OUProcess::setState(), OUProcess::setTimeScale(), and OUProcess::step().
Referenced by MSSimpleDriverState(), and update().
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Definition at line 192 of file MSDriverState.cpp.
References MAX2(), myActionStepLength, myAwareness, myMaximalReactionTime, myMinAwareness, myOriginalReactionTime, and TS.
Referenced by MSSimpleDriverState(), setAwareness(), setMaximalReactionTime(), setOriginalReactionTime(), and update().
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Definition at line 175 of file MSDriverState.cpp.
References myLastUpdateTime, myStepDuration, and SIMTIME.
Referenced by update().
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Action step length (~current maximal reaction time) induced by awareness level.
Definition at line 311 of file MSDriverState.h.
Referenced by getActionStepLength(), and updateReactionTime().
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The assumed gaps to different objects.
Definition at line 328 of file MSDriverState.h.
Referenced by getPerceivedHeadway(), and updateAssumedGaps().
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Driver's 'awareness' \in [0,1].
Definition at line 285 of file MSDriverState.h.
Referenced by getAwareness(), getPerceivedHeadway(), getPerceivedSpeedDifference(), setAwareness(), updateError(), and updateReactionTime().
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Used to prevent infinite loops in debugging outputs,.
Definition at line 334 of file MSDriverState.h.
Referenced by debugLocked(), lockDebug(), and unlockDebug().
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Driver's 'error',.
Definition at line 291 of file MSDriverState.h.
Referenced by getErrorNoiseIntensity(), getErrorState(), getErrorTimeScale(), getPerceivedHeadway(), getPerceivedSpeedDifference(), setAwareness(), setErrorNoiseIntensity(), setErrorState(), setErrorTimeScale(), update(), and updateError().
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Coefficient controlling the impact of awareness on the noise intensity of the error process.
Definition at line 295 of file MSDriverState.h.
Referenced by getErrorNoiseIntensityCoefficient(), setErrorNoiseIntensityCoefficient(), and updateError().
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Coefficient controlling the impact of awareness on the time scale of the error process.
Definition at line 293 of file MSDriverState.h.
Referenced by getErrorTimeScaleCoefficient(), setErrorTimeScaleCoefficient(), and updateError().
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Thresholds above a change in the corresponding quantity is perceived.
Definition at line 303 of file MSDriverState.h.
Referenced by getHeadwayChangePerceptionThreshold(), getPerceivedHeadway(), and setHeadwayChangePerceptionThreshold().
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Definition at line 299 of file MSDriverState.h.
Referenced by getHeadwayErrorCoefficient(), getPerceivedHeadway(), and setHeadwayErrorCoefficient().
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Initial value for 'awareness' \in [0,1].
Definition at line 289 of file MSDriverState.h.
Referenced by getInitialAwareness(), and setInitialAwareness().
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The last perceived speed differences to the corresponding objects.
Definition at line 330 of file MSDriverState.h.
Referenced by getPerceivedSpeedDifference(), and updateAssumedGaps().
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Time point of the last state update.
Definition at line 323 of file MSDriverState.h.
Referenced by updateStepDuration().
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Maximal reaction time (value set for the actionStepLength at awareness=myMinAwareness)
Definition at line 315 of file MSDriverState.h.
Referenced by getMaximalReactionTime(), setMaximalReactionTime(), and updateReactionTime().
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Minimal value for 'awareness' \in [0,1].
Definition at line 287 of file MSDriverState.h.
Referenced by getMinAwareness(), setAwareness(), setMinAwareness(), and updateReactionTime().
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Maximal reaction time (value set for the actionStepLength at awareness=1)
Definition at line 313 of file MSDriverState.h.
Referenced by getOriginalReactionTime(), setOriginalReactionTime(), and updateReactionTime().
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Definition at line 304 of file MSDriverState.h.
Referenced by getPerceivedSpeedDifference(), getSpeedDifferenceChangePerceptionThreshold(), and setSpeedDifferenceChangePerceptionThreshold().
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Scaling coefficients for the magnitude of errors.
Definition at line 298 of file MSDriverState.h.
Referenced by getPerceivedSpeedDifference(), getSpeedDifferenceErrorCoefficient(), and setSpeedDifferenceErrorCoefficient().
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Definition at line 321 of file MSDriverState.h.
Referenced by update(), updateError(), and updateStepDuration().
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Vehicle corresponding to this driver state.
Definition at line 282 of file MSDriverState.h.
Referenced by getPerceivedHeadway(), getPerceivedSpeedDifference(), setAwareness(), update(), and updateAssumedGaps().