From a2c854ef2f6d3c1c4358fdf9bbc22e12bf30e847 Mon Sep 17 00:00:00 2001
From: Markus Quaritsch <markus.quaritsch@tugraz.at>
Date: Fri, 2 Apr 2021 13:04:50 +0200
Subject: [PATCH] electric motor: handle the case that inertia torque eats up
the recuperation torque
---
.../Models/SimulationComponent/Impl/ElectricMotor.cs | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/VectoCore/VectoCore/Models/SimulationComponent/Impl/ElectricMotor.cs b/VectoCore/VectoCore/Models/SimulationComponent/Impl/ElectricMotor.cs
index acabf8d216..c3fa563e6f 100644
--- a/VectoCore/VectoCore/Models/SimulationComponent/Impl/ElectricMotor.cs
+++ b/VectoCore/VectoCore/Models/SimulationComponent/Impl/ElectricMotor.cs
@@ -146,6 +146,10 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
var maxDriveTorqueEm = maxDriveTorqueEmMap == null ? null : maxDriveTorqueEmMap + inertiaTorqueEm;
// inertia has to be added here. recuperation torque is positive, when accelerating inertia is positive and adds more drag to the drivetrain,
var maxRecuperationTorqueEm = maxRecuperationTorqueEmMap == null ? null : maxRecuperationTorqueEmMap + inertiaTorqueEm;
+ if (maxRecuperationTorqueEm != null && maxRecuperationTorqueEm.IsSmallerOrEqual(0)) {
+ // max recuperation torque may get negative due to torque losses
+ maxRecuperationTorqueEm = null;
+ }
var maxDriveTorqueDt = maxDriveTorqueEm == null ? null : ConvertEmTorqueToDrivetrain(maxDriveTorqueEm);
var maxRecuperationTorqueDt = maxRecuperationTorqueEm == null ? null : ConvertEmTorqueToDrivetrain(maxRecuperationTorqueEm);
--
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