From b2efe2577d02aaae6f84dd4c034f05f50e05602d Mon Sep 17 00:00:00 2001
From: Markus Quaritsch <markus.quaritsch@tugraz.at>
Date: Fri, 10 May 2019 12:51:02 +0200
Subject: [PATCH] when searching for TC operating point on engine drag curve,
enforce engine speed slightly above idling speed to avoid issues due to
precision and search tolerance
---
.../Class_9_RigidTruck_AT_Decl.xml | 2 +-
.../Models/SimulationComponent/Impl/TorqueConverter.cs | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/Documentation/VehiclesReleaseComparisonDeclarationMode/Class_9_RigidTruck_AT_Decl.xml b/Documentation/VehiclesReleaseComparisonDeclarationMode/Class_9_RigidTruck_AT_Decl.xml
index c4645f198a..fec3f265cc 100644
--- a/Documentation/VehiclesReleaseComparisonDeclarationMode/Class_9_RigidTruck_AT_Decl.xml
+++ b/Documentation/VehiclesReleaseComparisonDeclarationMode/Class_9_RigidTruck_AT_Decl.xml
@@ -1,6 +1,6 @@
<?xml version="1.0" encoding="utf-8"?>
<tns:VectoInputDeclaration schemaVersion="1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="urn:tugraz:ivt:VectoAPI:DeclarationDefinitions:v1.0" xmlns:tns="urn:tugraz:ivt:VectoAPI:DeclarationInput:v1.0" xsi:schemaLocation="urn:tugraz:ivt:VectoAPI:DeclarationInput:v1.0 https://webgate.ec.europa.eu/CITnet/svn/VECTO/trunk/Share/XML/XSD/VectoInput.xsd">
- <Vehicle id="VEH-N.A.">
+ <Vehicle id="VEH-class9_AT">
<Manufacturer>TUG Generic</Manufacturer>
<ManufacturerAddress>N.A.</ManufacturerAddress>
<Model>N.A.</Model>
diff --git a/VectoCore/VectoCore/Models/SimulationComponent/Impl/TorqueConverter.cs b/VectoCore/VectoCore/Models/SimulationComponent/Impl/TorqueConverter.cs
index 80fa01293c..cd7d75c756 100644
--- a/VectoCore/VectoCore/Models/SimulationComponent/Impl/TorqueConverter.cs
+++ b/VectoCore/VectoCore/Models/SimulationComponent/Impl/TorqueConverter.cs
@@ -209,7 +209,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
engineResponse.DragPower - engineResponse.AuxiliariesPowerDemand,
DataBus.EngineSpeed, outAngularVelocity, _engineInertia, dt, previousPower);
var maxInputSpeed = VectoMath.Min(ModelData.TorqueConverterSpeedLimit, DataBus.EngineN95hSpeed);
- var lowerInputSpeed = VectoMath.Max(DataBus.EngineIdleSpeed, 0.8 * DataBus.EngineSpeed);
+ var lowerInputSpeed = VectoMath.Max(DataBus.EngineIdleSpeed * 1.001, 0.8 * DataBus.EngineSpeed);
var corrected = false;
if (operatingPoint.InAngularVelocity.IsGreater(maxInputSpeed)) {
operatingPoint = ModelData.FindOperatingPoint(maxInputSpeed, outAngularVelocity);
--
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