mirror of https://github.com/rusefi/rusefi.git
118 lines
2.5 KiB
C++
118 lines
2.5 KiB
C++
#include "pch.h"
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#include "rusefi_lua.h"
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#include "lua_lib.h"
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// Leiderman-Khlystov Coefficients for Estimating Engine Full Load Characteristics and Performance
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TEST(LuaVag, LeidermaKhlystov) {
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const char* magic = LUA_POW R"(
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currentRpm = 2000
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maxPowerHp = 148
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maxPowerRpm = 6000
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maxTorqueNm = 147
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maxTorqueRpm = 3500
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maxPowerKw = maxPowerHp * 0.7355
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torqAtMaxPower = maxPowerKw * 9549 / maxPowerRpm
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print('torqAtMaxPower ' ..torqAtMaxPower)
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rpmCoef = maxPowerRpm / maxTorqueRpm
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print('rpmCoef ' ..rpmCoef)
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torqCoef = maxTorqueNm / torqAtMaxPower
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print('torqCoef ' ..torqCoef)
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torquePotential =(torqCoef -1) * 100
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zz =(100 *(rpmCoef -1) *(rpmCoef -1))
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print('torquePotential ' ..torquePotential)
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print('zz ' ..zz)
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ax = 1 -((torquePotential * rpmCoef *(2 - rpmCoef)) / zz)
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bx = 2 *((torquePotential * rpmCoef) / zz)
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cx =(torquePotential * rpmCoef * rpmCoef) / zz
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print('ax ' ..ax .. ', bx ' ..bx .. ', cx ' ..cx)
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rpmRatio = currentRpm / maxPowerRpm
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abcMult = ax * rpmRatio + bx * pow(rpmRatio, 2) - cx * pow(rpmRatio, 3)
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print ('abcMult ' ..abcMult)
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print('rpmRatio ' .. rpmRatio)
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LeidermanPower = maxPowerKw * abcMult
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print('LeidermanPower ' .. LeidermanPower)
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LeidermanTorque = (9550 * LeidermanPower) / currentRpm
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print('LeidermanTorque ' .. LeidermanTorque)
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function testFunc()
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return LeidermanTorque
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end
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)";
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EXPECT_NEAR_M3(testLuaReturnsNumberOrNil(magic).value_or(0), 156.463);
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}
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TEST(LuaVag, LeidermaKhlystov2) {
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const char* magic = LUA_POW R"(
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currentRpm = 2000
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maxPowerHp = 148
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maxPowerRpm = 6000
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maxTorqueNm = 147
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maxTorqueRpm = 3500
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maxPowerKw = maxPowerHp * 0.7355
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torqAtMaxPower = maxPowerKw * 9549 / maxPowerRpm
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print('torqAtMaxPower ' ..torqAtMaxPower)
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rpmCoef = maxPowerRpm / maxTorqueRpm
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print('rpmCoef ' ..rpmCoef)
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torqCoef = maxTorqueNm / torqAtMaxPower
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print('torqCoef ' ..torqCoef)
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torquePotential =(torqCoef -1) * 100
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print('torquePotential ' ..torquePotential)
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ax=2-(25/torquePotential);
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bx=(50/torquePotential) - 1;
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cx=25/torquePotential;
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print('ax ' ..ax .. ', bx ' ..bx .. ', cx ' ..cx)
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rpmRatio = currentRpm / maxPowerRpm
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abcMult = ax * rpmRatio + bx * pow(rpmRatio, 2) - cx * pow(rpmRatio, 3)
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print ('abcMult ' ..abcMult)
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print('rpmRatio ' .. rpmRatio)
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LeidermanPower = maxPowerKw * abcMult
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print('LeidermanPower ' .. LeidermanPower)
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LeidermanTorque = (9550 * LeidermanPower) / currentRpm
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print('LeidermanTorque ' .. LeidermanTorque)
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function testFunc()
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return LeidermanTorque
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end
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)";
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EXPECT_NEAR_M3(testLuaReturnsNumberOrNil(magic).value_or(0), 415.858);
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}
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