From 52ce83d3a1a53d7d8624b8de5a32d9be8932c470 Mon Sep 17 00:00:00 2001
From: Markus Quaritsch <markus.quaritsch@tugraz.at>
Date: Fri, 28 Dec 2018 10:56:25 +0100
Subject: [PATCH] fix in gearbox: use correct gear for interpolation, add
torque loss to inTorque
---
.../Models/SimulationComponent/Impl/Gearbox.cs | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/VectoCore/VectoCore/Models/SimulationComponent/Impl/Gearbox.cs b/VectoCore/VectoCore/Models/SimulationComponent/Impl/Gearbox.cs
index 2af103d1b4..384dd74c1c 100644
--- a/VectoCore/VectoCore/Models/SimulationComponent/Impl/Gearbox.cs
+++ b/VectoCore/VectoCore/Models/SimulationComponent/Impl/Gearbox.cs
@@ -181,7 +181,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
_engageTime = absTime + dt;
}
- var gear = NextGear.Gear;
+ var gear = Disengaged ? NextGear.Gear : Gear;
var avgOutAngularVelocity = (PreviousState.OutAngularVelocity + outAngularVelocity) / 2.0;
var inTorqueLossResult = ModelData.Gears[gear].LossMap.GetTorqueLoss(avgOutAngularVelocity, outTorque);
if (avgOutAngularVelocity.IsEqual(0, 1e-9)) {
@@ -189,7 +189,13 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
}
var inAngularVelocity = outAngularVelocity * ModelData.Gears[gear].Ratio;
- var inTorque = outTorque / ModelData.Gears[gear].Ratio + inTorqueLossResult.Value;
+ var avgInAngularVelocity = (PreviousState.InAngularVelocity + inAngularVelocity) / 2.0;
+ var inTorque = !avgInAngularVelocity.IsEqual(0)
+ ? outTorque * (avgOutAngularVelocity / avgInAngularVelocity)
+ : outTorque / ModelData.Gears[Gear].Ratio;
+ inTorque += inTorqueLossResult.Value;
+ //var inTorque = outTorque / ModelData.Gears[gear].Ratio + inTorqueLossResult.Value;
+
var inertiaTorqueLossOut = !inAngularVelocity.IsEqual(0)
? Formulas.InertiaPower(outAngularVelocity, PreviousState.OutAngularVelocity, ModelData.Inertia, dt) /
avgOutAngularVelocity
@@ -197,7 +203,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
inTorque += inertiaTorqueLossOut / ModelData.Gears[gear].Ratio;
var halted = DataBus.DrivingAction == DrivingAction.Halt;
- var driverDeceleratingNegTorque = DataBus.DriverBehavior == DrivingBehavior.Braking &&
+ var driverDeceleratingNegTorque = DataBus.DriverBehavior == DrivingBehavior.Braking && DataBus.DrivingAction == DrivingAction.Brake &&
(DataBus.BrakePower.IsGreater(0) || inTorque.IsSmaller(0));
var vehiclespeedBelowThreshold =
DataBus.VehicleSpeed.IsSmaller(Constants.SimulationSettings.ClutchDisengageWhenHaltingSpeed);
--
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