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Commit e875ea4c authored by Markus Quaritsch's avatar Markus Quaritsch
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torque converter: in case an operating point has been set in the driver model,... 

torque converter: in case an operating point has been set in the driver model, ignore acceleration limits
reset gearbox disengaged state if set by driver model after the simulation interval
parent f932d444
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VectoCore/VectoCore/Models/SimulationComponent/Impl/Driver.cs
+ 80
− 63
View file @ e875ea4c
......@@ -56,6 +56,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
Accelerate = 6,
Brake = -5,
}
public class Driver :
StatefulProviderComponent<Driver.DriverState, IDrivingCycleOutPort, IDriverDemandInPort, IDriverDemandOutPort>,
IDriver, IDrivingCycleOutPort, IDriverDemandInPort, IDriverActions, IDriverInfo
......@@ -64,6 +65,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
protected readonly IDriverStrategy DriverStrategy;
protected readonly bool smartBusAux;
private bool? _previousGearboxDisengaged = null;
public DrivingAction DrivingAction { get; protected internal set; }
......@@ -429,6 +431,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
requestedOperatingPoint.Acceleration, initialResponse, coastingOrRoll: true);
}
var tcOperatingPointSet = false;
if (searchedOperatingPoint == null && DataBus.GearboxInfo.GearboxType.AutomaticTransmission()) {
// we end up here if no valid operating point for the engine and torque converter can be found.
// a likely reason is that the torque converter opereating point 'jumps' between two different operating points
......@@ -436,6 +439,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
// solution where a torque converter operating point is searched by forward calculation first and then the remaining
// powertrain is adjusted to this operating point.
searchedOperatingPoint = SetTCOperatingPointATGbxCoastOrRoll(absTime, gradient, requestedOperatingPoint, initialResponse as ResponseDryRun);
tcOperatingPointSet = true;
}
if (searchedOperatingPoint == null) {
......@@ -474,8 +478,10 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
searchedOperatingPoint.SimulationInterval,
searchedOperatingPoint.Acceleration, rollAction ? "ROLL" : "COAST");
var applyLimit = rollAction || tcOperatingPointSet;
var limitedOperatingPoint = LimitAccelerationByDriverModel(searchedOperatingPoint,
rollAction ? LimitationMode.NoLimitation : LimitationMode.LimitDecelerationDriver);
applyLimit ? LimitationMode.NoLimitation : LimitationMode.LimitDecelerationDriver);
// compute speed at the end of the simulation interval. if it exceeds the limit -> return
var v2 = DataBus.VehicleInfo.VehicleSpeed +
......@@ -911,7 +917,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
var tcOp = DataBus.TorqueConverterInfo.CalculateOperatingPoint(DataBus.EngineInfo.EngineIdleSpeed * 1.01, response.Gearbox.InputSpeed);
if (!tcOp.Item2.IsBetween(dragTorque - inertiaTq - auxTqDemand, maxTorque - inertiaTq - auxTqDemand)) {
_previousGearboxDisengaged = DataBus.GearboxInfo.DisengageGearbox;
DataBus.GearboxCtl.DisengageGearbox = true;
operatingPoint = SearchBrakingPower(
absTime, operatingPoint.SimulationDistance, gradient,
......@@ -1194,7 +1200,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
(response, cnt) => {
var r = (ResponseDryRun)response;
if (DataBus.GearboxInfo.GearboxType.AutomaticTransmission() &&
r.DeltaDragLoad.Value().IsSmallerOrEqual(-double.MaxValue / 20)) {
r.DeltaDragLoad.Value().IsSmallerOrEqual(-double.MaxValue / 20) && coastingOrRoll && !actionRoll ) {
nanCount++;
}
if (nanCount > 10) {
......@@ -1202,7 +1208,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
}
return r != null && !actionRoll && !allowDistanceDecrease && !ds.IsEqual(r.Driver.OperatingPoint.SimulationDistance);
});
return ComputeTimeInterval(retVal.Acceleration, retVal.SimulationDistance);
return ComputeTimeInterval(retVal.Acceleration, retVal.SimulationDistance);
} catch (VectoException ve) {
switch (ve) {
case VectoSearchFailedException _:
......@@ -1211,69 +1217,76 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
// search aborted, try to go ahead with the last acceleration
if (!searchEngineSpeed && !actionRoll && !coastingOrRoll) {
var nanCount1 = 0;
retVal.Acceleration = SearchAlgorithm.Search(acceleration, delta,
Constants.SimulationSettings.OperatingPointInitialSearchIntervalAccelerating,
getYValue: response => {
var r = (ResponseDryRun)response;
return (r.DeltaFullLoad);
},
evaluateFunction:
acc => {
// calculate new time interval only when vehiclespeed and acceleration are != 0
// else: use same timeinterval as before.
var vehicleDrivesAndAccelerates =
try {
retVal.Acceleration = SearchAlgorithm.Search(acceleration, delta,
Constants.SimulationSettings.OperatingPointInitialSearchIntervalAccelerating,
getYValue: response => {
var r = (ResponseDryRun)response;
return (r.DeltaFullLoad);
},
evaluateFunction:
acc => {
// calculate new time interval only when vehiclespeed and acceleration are != 0
// else: use same timeinterval as before.
var vehicleDrivesAndAccelerates =
!(acc.IsEqual(0) && DataBus.VehicleInfo.VehicleSpeed.IsEqual(0));
if (vehicleDrivesAndAccelerates) {
var tmp = ComputeTimeInterval(acc, ds);
if (tmp.SimulationInterval.IsEqual(0.SI<Second>(), 1e-9.SI<Second>())) {
throw new VectoSearchAbortedException(
"next TimeInterval is 0. a: {0}, v: {1}, dt: {2}", acc,
DataBus.VehicleInfo.VehicleSpeed, tmp.SimulationInterval);
if (vehicleDrivesAndAccelerates) {
var tmp = ComputeTimeInterval(acc, ds);
if (tmp.SimulationInterval.IsEqual(0.SI<Second>(), 1e-9.SI<Second>())) {
throw new VectoSearchAbortedException(
"next TimeInterval is 0. a: {0}, v: {1}, dt: {2}", acc,
DataBus.VehicleInfo.VehicleSpeed, tmp.SimulationInterval);
}
retVal.Acceleration = tmp.Acceleration;
retVal.SimulationInterval = tmp.SimulationInterval;
retVal.SimulationDistance = tmp.SimulationDistance;
} else {
retVal.Acceleration = acc;
retVal.SimulationDistance = 0.SI<Meter>();
}
IterationStatistics.Increment(this, "SearchOperatingPoint");
DriverAcceleration = acc;
var response = NextComponent.Request(absTime, retVal.SimulationInterval, acc,
gradient,
true);
response.Driver.OperatingPoint = retVal;
return response;
},
criterion: response => {
var r = (ResponseDryRun)response;
delta = (r.DeltaFullLoad);
return Math.Max(delta.Value(), 0);
},
abortCriterion:
(response, cnt) => {
var r = (ResponseDryRun)response;
if (DataBus.GearboxInfo.GearboxType.AutomaticTransmission() &&
r.DeltaDragLoad.Value().IsSmallerOrEqual(-double.MaxValue / 20) && coastingOrRoll && !actionRoll) {
nanCount1++;
}
retVal.Acceleration = tmp.Acceleration;
retVal.SimulationInterval = tmp.SimulationInterval;
retVal.SimulationDistance = tmp.SimulationDistance;
} else {
retVal.Acceleration = acc;
retVal.SimulationDistance = 0.SI<Meter>();
}
IterationStatistics.Increment(this, "SearchOperatingPoint");
DriverAcceleration = acc;
var response = NextComponent.Request(absTime, retVal.SimulationInterval, acc, gradient,
true);
response.Driver.OperatingPoint = retVal;
return response;
},
criterion: response => {
var r = (ResponseDryRun)response;
delta = (r.DeltaFullLoad);
return Math.Max(delta.Value(), 0);
},
abortCriterion:
(response, cnt) => {
var r = (ResponseDryRun)response;
if (DataBus.GearboxInfo.GearboxType.AutomaticTransmission() &&
r.DeltaDragLoad.Value().IsSmallerOrEqual(-double.MaxValue / 20)) {
nanCount1++;
}
if (nanCount1 > 10) {
return true;
}
return r != null && !allowDistanceDecrease &&
!ds.IsEqual(r.Driver.OperatingPoint.SimulationDistance);
},
forceLineSearch: true);
return ComputeTimeInterval(retVal.Acceleration, retVal.SimulationDistance);
if (nanCount1 > 10) {
return true;
}
return r != null && !allowDistanceDecrease &&
!ds.IsEqual(r.Driver.OperatingPoint.SimulationDistance);
},
forceLineSearch: true);
return ComputeTimeInterval(retVal.Acceleration, retVal.SimulationDistance);
} catch (VectoException ve2) {
Log.Error(ve2);
return null;
}
}
break;
}
......@@ -1450,6 +1463,10 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
}
CurrentState.Response = null;
DriverStrategy.CommitSimulationStep();
if (_previousGearboxDisengaged.HasValue) {
DataBus.GearboxCtl.DisengageGearbox = _previousGearboxDisengaged.Value;
_previousGearboxDisengaged = null;
}
}
public class DriverState
......
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