From e061ce526c9e3cb5337f08507c93b16616b11f7d Mon Sep 17 00:00:00 2001
From: Markus Quaritsch <markus.quaritsch@tugraz.at>
Date: Thu, 1 Feb 2018 09:19:53 +0100
Subject: [PATCH] corrected retarder testcases: retarder losses are higher when
retarder ratio > 1!
---
.../SimulationComponent/RetarderTest.cs | 77 +++++++++++--------
1 file changed, 45 insertions(+), 32 deletions(-)
diff --git a/VectoCore/VectoCoreTest/Models/SimulationComponent/RetarderTest.cs b/VectoCore/VectoCoreTest/Models/SimulationComponent/RetarderTest.cs
index 17da8c5f8f..32354458e9 100644
--- a/VectoCore/VectoCoreTest/Models/SimulationComponent/RetarderTest.cs
+++ b/VectoCore/VectoCoreTest/Models/SimulationComponent/RetarderTest.cs
@@ -29,6 +29,7 @@
* Martin Rexeis, rexeis@ivt.tugraz.at, IVT, Graz University of Technology
*/
+using System.IO;
using NUnit.Framework;
using TUGraz.VectoCommon.Exceptions;
using TUGraz.VectoCommon.Models;
@@ -47,8 +48,16 @@ namespace TUGraz.VectoCore.Tests.Models.SimulationComponent
private const string RetarderLossMapFile = @"TestData\Components\Retarder.vrlm";
private const double Delta = 0.0001;
- [TestCase]
- public void RetarderBasicTest()
+ [OneTimeSetUp]
+ public void RunBeforeAnyTests()
+ {
+ Directory.SetCurrentDirectory(TestContext.CurrentContext.TestDirectory);
+ }
+
+ [TestCase(0, 10, 10.002),
+ TestCase(100, 1000, 12)
+ ]
+ public void RetarderBasicTest(double cardanTorque, double cardanSpeed, double expectedRetarderLoss)
{
var vehicle = new VehicleContainer(ExecutionMode.Declaration);
var retarderData = RetarderLossMapReader.ReadFromFile(RetarderLossMapFile);
@@ -63,19 +72,34 @@ namespace TUGraz.VectoCore.Tests.Models.SimulationComponent
var dt = 0.SI<Second>();
// --------
- outPort.Initialize(0.SI<NewtonMeter>(), 10.RPMtoRad());
- outPort.Request(absTime, dt, 0.SI<NewtonMeter>(), 10.RPMtoRad());
+ outPort.Initialize(cardanTorque.SI<NewtonMeter>(), cardanSpeed.RPMtoRad());
+ outPort.Request(absTime, dt, cardanTorque.SI<NewtonMeter>(), cardanSpeed.RPMtoRad());
- Assert.AreEqual(10.RPMtoRad().Value(), nextRequest.AngularVelocity.Value(), Delta);
- Assert.AreEqual(10.002, nextRequest.Torque.Value(), Delta);
+ Assert.AreEqual(cardanSpeed.RPMtoRad().Value(), nextRequest.AngularVelocity.Value(), Delta);
+ Assert.AreEqual(cardanTorque + expectedRetarderLoss, nextRequest.Torque.Value(), Delta);
- // --------
- outPort.Initialize(100.SI<NewtonMeter>(), 1000.RPMtoRad());
- outPort.Request(absTime, dt, 100.SI<NewtonMeter>(), 1000.RPMtoRad());
+ //// --------
+ //outPort.Initialize(100.SI<NewtonMeter>(), 1000.RPMtoRad());
+ //outPort.Request(absTime, dt, 100.SI<NewtonMeter>(), 1000.RPMtoRad());
+
+ //Assert.AreEqual(1000.RPMtoRad().Value(), nextRequest.AngularVelocity.Value(), Delta);
+ //Assert.AreEqual(112, nextRequest.Torque.Value(), Delta);
+ }
+
+ [TestCase]
+ public void RetarderSubsequentRequestTest()
+ {
+ var vehicle = new VehicleContainer(ExecutionMode.Declaration);
+ var retarderData = RetarderLossMapReader.ReadFromFile(RetarderLossMapFile);
+ var retarder = new Retarder(vehicle, retarderData, 1.0);
+
+ var nextRequest = new MockTnOutPort();
- Assert.AreEqual(1000.RPMtoRad().Value(), nextRequest.AngularVelocity.Value(), Delta);
- Assert.AreEqual(112, nextRequest.Torque.Value(), Delta);
+ retarder.InPort().Connect(nextRequest);
+ var outPort = retarder.OutPort();
+ var absTime = 0.SI<Second>();
+ var dt = 0.SI<Second>();
// --------
outPort.Initialize(50.SI<NewtonMeter>(), 650.RPMtoRad());
outPort.Request(absTime, dt, 50.SI<NewtonMeter>(), 1550.RPMtoRad());
@@ -92,8 +116,11 @@ namespace TUGraz.VectoCore.Tests.Models.SimulationComponent
Assert.AreEqual(50 + 12, nextRequest.Torque.Value(), Delta);
}
- [TestCase]
- public void RetarderRatioTest()
+ [TestCase(0, 10, 20.008),
+ TestCase(100, 1000, 36),
+ TestCase(50, 1550, 55.56) // extrapolated
+ ]
+ public void RetarderRatioTest(double cardanTorque, double cardanSpeed, double expectedRetarderLoss)
{
var vehicle = new VehicleContainer(ExecutionMode.Engineering);
var retarderData = RetarderLossMapReader.ReadFromFile(RetarderLossMapFile);
@@ -107,26 +134,12 @@ namespace TUGraz.VectoCore.Tests.Models.SimulationComponent
var absTime = 0.SI<Second>();
var dt = 0.SI<Second>();
- // --------
- outPort.Initialize(0.SI<NewtonMeter>(), 10.RPMtoRad());
- outPort.Request(absTime, dt, 0.SI<NewtonMeter>(), 10.RPMtoRad());
-
- Assert.AreEqual(10.RPMtoRad().Value(), nextRequest.AngularVelocity.Value(), Delta);
- Assert.AreEqual(5.002, nextRequest.Torque.Value(), Delta);
-
- // --------
- outPort.Initialize(100.SI<NewtonMeter>(), 1000.RPMtoRad());
- outPort.Request(absTime, dt, 100.SI<NewtonMeter>(), 1000.RPMtoRad());
+ outPort.Initialize(cardanTorque.SI<NewtonMeter>(), cardanSpeed.RPMtoRad());
+ outPort.Request(absTime, dt, cardanTorque.SI<NewtonMeter>(), cardanSpeed.RPMtoRad());
- Assert.AreEqual(1000.RPMtoRad().Value(), nextRequest.AngularVelocity.Value(), Delta);
- Assert.AreEqual(109, nextRequest.Torque.Value(), Delta);
+ Assert.AreEqual(cardanSpeed.RPMtoRad().Value(), nextRequest.AngularVelocity.Value(), Delta);
+ Assert.AreEqual(cardanTorque + expectedRetarderLoss, nextRequest.Torque.Value(), Delta);
- // --------
- outPort.Initialize(50.SI<NewtonMeter>(), 1550.RPMtoRad());
- outPort.Request(absTime, dt, 50.SI<NewtonMeter>(), 1550.RPMtoRad());
-
- Assert.AreEqual(1550.RPMtoRad().Value(), nextRequest.AngularVelocity.Value(), Delta);
- Assert.AreEqual(50 + 13.89, nextRequest.Torque.Value(), Delta); // extrapolated
}
[TestCase]
@@ -177,7 +190,7 @@ namespace TUGraz.VectoCore.Tests.Models.SimulationComponent
outPort.Request(absTime, dt, 100.SI<NewtonMeter>(), 125.RPMtoRad());
Assert.AreEqual(125.RPMtoRad().Value(), nextRequest.AngularVelocity.Value(), Delta);
- Assert.AreEqual(100 + 5.065, nextRequest.Torque.Value(), Delta);
+ Assert.AreEqual(100 + 20.26, nextRequest.Torque.Value(), Delta);
}
}
}
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--
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