clear shiftlossenergy if remaining shift time is non-negative; check TC...

clear shiftlossenergy if remaining shift time is non-negative; check TC operating point if possibe for engine (case creeping)

VectoCore/VectoCore/Models/SimulationComponent/Impl/ATGearbox.cs

@@ -303,8 +303,10 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
 					var avgEngineSpeed = (DataBus.EngineSpeed + outAngularVelocity * effectiveRatio) / 2;
 					powershiftLoss = aliquotEnergyLoss / dt / avgEngineSpeed;
 					inTorque += powershiftLoss;
-					
+
 					//inTorque += CurrentState.PowershiftLossEnergy;
+				} else {
+					_powershiftLossEnergy = null;
 				}
 			}
 

VectoCore/VectoCore/Models/SimulationComponent/Impl/ATShiftStrategy.cs

@@ -245,7 +245,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
 			var nextGearboxInTorque = outTorque / nextGear.TorqueConverterRatio;
 			var shiftLosses = _gearbox.ComputeShiftLosses(outTorque, outAngularVelocity, gear + 1) / ModelData.PowershiftShiftTime / nextGearboxInSpeed;
 			nextGearboxInTorque += shiftLosses;
-			var tcOperatingPoint = _gearbox.TorqueConverter.FindOperatingPoint(nextGearboxInTorque, nextGearboxInSpeed);
+			var tcOperatingPoint = _gearbox.TorqueConverter.FindOperatingPoint(absTime, dt, nextGearboxInTorque, nextGearboxInSpeed);
 
 			var engineSpeedOverMin = tcOperatingPoint.InAngularVelocity.IsGreater(minEngineSpeed);
 			var avgSpeed = (DataBus.EngineSpeed + tcOperatingPoint.InAngularVelocity) / 2;

VectoCore/VectoCore/Models/SimulationComponent/Impl/TorqueConverter.cs

@@ -102,7 +102,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
 			Second absTime, Second dt, NewtonMeter outTorque, PerSecond outAngularVelocity,
 			bool dryRun = false)
 		{
-			var operatingPoint = FindOperatingPoint(outTorque, outAngularVelocity);
+			var operatingPoint = FindOperatingPoint(absTime, dt, outTorque, outAngularVelocity);
 			var inTorque = CalculateAverageInTorque(operatingPoint);
 
 			if (dryRun) {
@@ -316,7 +316,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
 			return retVal;
 		}
 
-		protected internal TorqueConverterOperatingPoint FindOperatingPoint(
+		protected internal TorqueConverterOperatingPoint FindOperatingPoint(Second absTime, Second dt,
 			NewtonMeter outTorque,
 			PerSecond outAngularVelocity)
 		{
@@ -324,6 +324,15 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
 			if (operatingPointList.Count == 0) {
 				Log.Debug("TorqueConverter: Failed to find torque converter operating point, fallback: creeping");
 				var tqOperatingPoint = ModelData.FindOperatingPoint(DataBus.EngineIdleSpeed, outAngularVelocity);
+
+				var engineResponse = (ResponseDryRun)
+					NextComponent.Request(absTime, dt, tqOperatingPoint.InTorque, tqOperatingPoint.InAngularVelocity, true);
+
+				var engineOK = engineResponse.DeltaDragLoad.IsGreaterOrEqual(0) && engineResponse.DeltaFullLoad.IsSmallerOrEqual(0);
+				if (!engineOK) {
+					tqOperatingPoint = ModelData.FindOperatingPoint(VectoMath.Max(DataBus.EngineIdleSpeed, DataBus.EngineSpeed * 0.9), outAngularVelocity);
+				}
+
 				tqOperatingPoint.Creeping = true;
 				return tqOperatingPoint;
 			}