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better variable names & fixing build

This commit is contained in:
rusefi 2019-07-13 08:19:00 -04:00
parent 7da59dd41d
commit 7cc040afe0
2 changed files with 15 additions and 15 deletions
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28
firmware/controllers/algo/accel_enrichment.cpp
View File

@ -49,13 +49,13 @@ void WallFuel::resetWF() {
} }
// //
floatms_t WallFuel::adjust(int injectorIndex, floatms_t M_des DECLARE_ENGINE_PARAMETER_SUFFIX) { floatms_t WallFuel::adjust(int injectorIndex, floatms_t desiredFuel DECLARE_ENGINE_PARAMETER_SUFFIX) {
if (cisnan(M_des)) { if (cisnan(desiredFuel)) {
return M_des; return desiredFuel;
} }
// disable this correction for cranking // disable this correction for cranking
if (ENGINE(rpmCalculator).isCranking(PASS_ENGINE_PARAMETER_SIGNATURE)) { if (ENGINE(rpmCalculator).isCranking(PASS_ENGINE_PARAMETER_SIGNATURE)) {
return M_des; return desiredFuel;
} }
/* /*
@ -64,8 +64,8 @@ floatms_t WallFuel::adjust(int injectorIndex, floatms_t M_des DECLARE_ENGINE_PAR
SAE 1999-01-0553 by Peter J Maloney SAE 1999-01-0553 by Peter J Maloney
M_cmd = commanded fuel mass (output of this function) M_cmd = commanded fuel mass (output of this function)
M_des = desired fuel mass (input to this function) desiredFuel = desired fuel mass (input to this function)
M_f = fuel film mass (how much is currently on the wall) fuelFilmMass = fuel film mass (how much is currently on the wall)
First we compute how much fuel to command, by accounting for First we compute how much fuel to command, by accounting for
a) how much fuel will evaporate from the walls, entering the air a) how much fuel will evaporate from the walls, entering the air
@ -73,7 +73,7 @@ floatms_t WallFuel::adjust(int injectorIndex, floatms_t M_des DECLARE_ENGINE_PAR
Next, we compute how much fuel will be deposited on the walls. The net Next, we compute how much fuel will be deposited on the walls. The net
effect of these two steps is computed (some leaves walls, some is deposited) effect of these two steps is computed (some leaves walls, some is deposited)
and stored back in M_f. and stored back in fuelFilmMass.
alpha describes the amount of fuel that REMAINS on the wall per cycle. alpha describes the amount of fuel that REMAINS on the wall per cycle.
It is computed as a function of the evaporation time constant (tau) and It is computed as a function of the evaporation time constant (tau) and
@ -96,13 +96,13 @@ floatms_t WallFuel::adjust(int injectorIndex, floatms_t M_des DECLARE_ENGINE_PAR
// you probably meant to disable wwae. // you probably meant to disable wwae.
float tau = CONFIG(wwaeTau); float tau = CONFIG(wwaeTau);
if (tau < 0.01f) { if (tau < 0.01f) {
return M_des; return desiredFuel;
} }
// Ignore really slow RPM // Ignore really slow RPM
int rpm = GET_RPM(); int rpm = GET_RPM();
if (rpm < 100) { if (rpm < 100) {
return M_des; return desiredFuel;
} }
float alpha = expf_taylor(-120 / (rpm * tau)); float alpha = expf_taylor(-120 / (rpm * tau));
@ -116,8 +116,8 @@ floatms_t WallFuel::adjust(int injectorIndex, floatms_t M_des DECLARE_ENGINE_PAR
beta = alpha; beta = alpha;
} }
float M_f = wallFuel/*[injectorIndex]*/; float fuelFilmMass = wallFuel/*[injectorIndex]*/;
float M_cmd = (M_des - (1 - alpha) * M_f) / (1 - beta); float M_cmd = (desiredFuel - (1 - alpha) * fuelFilmMass) / (1 - beta);
// We can't inject a negative amount of fuel // We can't inject a negative amount of fuel
// If this goes below zero we will be over-fueling slightly, // If this goes below zero we will be over-fueling slightly,
@ -127,10 +127,10 @@ floatms_t WallFuel::adjust(int injectorIndex, floatms_t M_des DECLARE_ENGINE_PAR
} }
// remainder on walls from last time + new from this time // remainder on walls from last time + new from this time
float M_f_next = alpha * M_f + beta * M_cmd; float fuelFilmMassNext = alpha * fuelFilmMass + beta * M_cmd;
wallFuel/*[injectorIndex]*/ = M_f_next; wallFuel/*[injectorIndex]*/ = fuelFilmMassNext;
wallFuelCorrection = M_cmd - M_des; wallFuelCorrection = M_cmd - desiredFuel;
return M_cmd; return M_cmd;
} }

2
unit_tests/tests/test_accel_enrichment.cpp
View File

@ -44,7 +44,7 @@ static void doFractionalTpsIteration(int period, int divisor, int numCycles, std
// split into 2 portions // split into 2 portions
engineConfiguration->tpsAccelFractionDivisor = divisor; engineConfiguration->tpsAccelFractionDivisor = divisor;
engine->tpsAccelEnrichment.reset(); engine->tpsAccelEnrichment.resetAE();
engine->tpsAccelEnrichment.onNewValue(0 PASS_ENGINE_PARAMETER_SUFFIX); engine->tpsAccelEnrichment.onNewValue(0 PASS_ENGINE_PARAMETER_SUFFIX);
for (int i = 0; i < numCycles; i++) { for (int i = 0; i < numCycles; i++) {
engine->tpsAccelEnrichment.onNewValue(10 PASS_ENGINE_PARAMETER_SUFFIX); engine->tpsAccelEnrichment.onNewValue(10 PASS_ENGINE_PARAMETER_SUFFIX);