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1 | /* | |||
2 | * @file test_engine_math.c | |||
3 | * | |||
4 | * @date Nov 14, 2013 | |||
5 | * @author Andrey Belomutskiy, (c) 2012-2020 | |||
6 | */ | |||
7 | ||||
8 | #include "pch.h" | |||
9 | ||||
10 | #include "speed_density.h" | |||
11 | #include "maf.h" | |||
12 | ||||
13 | 4 | TEST(misc, testIgnitionPlanning) { | ||
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1 | printf("*************************************************** testIgnitionPlanning\r\n"); | |
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1 | EngineTestHelper eth(engine_type_e::TEST_ENGINE); | |
16 |
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1 | setTable(config->lambdaTable, 0.92f); | |
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1 | setupSimpleTestEngineWithMafAndTT_ONE_trigger(ð); | |
18 | ||||
19 |
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1 | engine->periodicFastCallback(); | |
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1 | ASSERT_NEAR(12.857, engine->fuelComputer.targetAFR, EPS4D) << "testIgnitionPlanning_AFR"; | |
21 | ||||
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1 | ASSERT_EQ(IM_BATCH, engineConfiguration->injectionMode); | |
23 | 1 | } | ||
24 | ||||
25 | 4 | TEST(misc, testEngineMath) { | ||
26 |
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1 | printf("*************************************************** testEngineMath\r\n"); | |
27 | ||||
28 | // todo: let's see if we can make 'engine' unneeded in this test? | |||
29 |
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1 | EngineTestHelper eth(engine_type_e::TEST_ENGINE); | |
30 |
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1 | setTable(config->lambdaTable, 0.92f); | |
31 | 1 | setTable(config->veTable, 80); | ||
32 | ||||
33 |
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1 | setCamOperationMode(); | |
34 | 1 | engineConfiguration->fuelAlgorithm = engine_load_mode_e::LM_SPEED_DENSITY; | ||
35 | ||||
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1 | ASSERT_NEAR( 50, getOneDegreeTimeMs(600) * 180, EPS4D) << "600 RPM"; | |
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1 | ASSERT_EQ( 5, getOneDegreeTimeMs(6000) * 180) << "6000 RPM"; | |
38 | ||||
39 | 1 | auto fuelComputer = &engine->fuelComputer; | ||
40 | ||||
41 |
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1 | Sensor::setMockValue(SensorType::Clt, 300); | |
42 |
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1 | Sensor::setMockValue(SensorType::Iat, 350); | |
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1 | ASSERT_FLOAT_EQ(312.5, fuelComputer->getTCharge(1000, 0)); | |
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1 | ASSERT_FLOAT_EQ(313.5833, fuelComputer->getTCharge(1000, 50)); | |
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1 | ASSERT_FLOAT_EQ(314.6667, fuelComputer->getTCharge(1000, 100)); | |
46 | ||||
47 | ||||
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1 | ASSERT_FLOAT_EQ(312.5, fuelComputer->getTCharge(4000, 0)); | |
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1 | ASSERT_FLOAT_EQ(320.0833, fuelComputer->getTCharge(4000, 50)); | |
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1 | ASSERT_FLOAT_EQ(327.6667, fuelComputer->getTCharge(4000, 100)); | |
51 | ||||
52 | // test Air Interpolation mode | |||
53 | 1 | engineConfiguration->tChargeMode = TCHARGE_MODE_AIR_INTERP; | ||
54 | 1 | engineConfiguration->tChargeAirCoefMin = 0.098f; | ||
55 | 1 | engineConfiguration->tChargeAirCoefMax = 0.902f; | ||
56 | 1 | engineConfiguration->tChargeAirFlowMax = 153.6f; | ||
57 | // calc. some airMass given the engine displacement=1.839 and 4 cylinders (FORD_ESCORT_GT) | |||
58 |
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1 | fuelComputer->sdAirMassInOneCylinder = SpeedDensityBase::getAirmassImpl(/*VE*/1.0f, /*MAP*/100.0f, /*tChargeK*/273.15f + 20.0f); | |
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1 | ASSERT_NEAR(0.59418f, fuelComputer->sdAirMassInOneCylinder, EPS4D); | |
60 | ||||
61 |
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1 | Sensor::setMockValue(SensorType::Clt, 90); | |
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1 | Sensor::setMockValue(SensorType::Iat, 20); | |
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1 | Sensor::setMockValue(SensorType::Map, 100); | |
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1 | Sensor::setMockValue(SensorType::Tps1, 0); | |
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1 | Sensor::setMockValue(SensorType::Rpm, 1000); | |
66 | ||||
67 | // calc. airFlow using airMass, and find tCharge | |||
68 |
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1 | engine->periodicFastCallback(); | |
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1 | ASSERT_NEAR(57.0099f, engine->engineState.sd.tCharge, EPS3D); | |
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1 | ASSERT_NEAR(50.6476f/*kg/h*/, engine->engineState.airflowEstimate, EPS4D); | |
71 | 1 | } | ||
72 | ||||
73 | TEST(misc, testIgnitionMapGenerator) { | |||
74 | float rpmBin[16]; | |||
75 | setRpmBin(rpmBin, 16, 800, 7000); | |||
76 | ASSERT_EQ(650, rpmBin[0]); | |||
77 | ASSERT_EQ( 800, rpmBin[1]) << "@1"; | |||
78 | ASSERT_EQ( 1100, rpmBin[2]) << "@2"; | |||
79 | ASSERT_EQ( 1400, rpmBin[3]) << "rpm@3"; | |||
80 | ASSERT_EQ( 4700, rpmBin[14]) << "rpm@14"; | |||
81 | ASSERT_EQ(7000, rpmBin[15]); | |||
82 | ||||
83 | ASSERT_NEAR(36.0, getInitialAdvance(6000, 100, 36), 0.1); | |||
84 | ASSERT_NEAR(9.9, getInitialAdvance(600, 100, 36), 0.2); | |||
85 | ||||
86 | ASSERT_NEAR(34.2, getInitialAdvance(2400, 40, 36), 0.1); | |||
87 | ASSERT_NEAR(41.9, getInitialAdvance(4400, 40, 36), 0.2); | |||
88 | ASSERT_NEAR(14.2, getInitialAdvance(800, 20, 36), 0.2); | |||
89 | } | |||
90 |