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LSU ADV getPhi

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This commit is contained in:
Matthew Kennedy
2023-11-13 15:02:13 -08:00
parent c2cb3b9015
commit b57bee77fc
1 changed files with 24 additions and 3 deletions
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27
firmware/lambda_conversion.cpp
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@@ -44,10 +44,31 @@ static float GetPhiLsu42(float pumpCurrent)
return gain * pumpCurrent + 0.99153f;
}
static float GetPhiLsuAdv(float /*pumpCurrent*/)
static float GetPhiLsuAdv(float pumpCurrent)
{
// TODO
return 1;
// Maximum lambda 2.434
if (pumpCurrent > 0.759f)
{
return 1 / 2.434f;
}
// Minimum lambda is 0.65
if (pumpCurrent < -1.108)
{
return 1 / 0.65f;
}
if (pumpCurrent < 0)
{
// rich
// Accurate with 0.005 lambda from 0.65-1
return (0.0379 * pumpCurrent - 0.4496) * pumpCurrent + 0.9902;
}
else
{
// lean
return (0.1059 * pumpCurrent - 0.8368) * pumpCurrent + 0.9859;
}
}
static float GetPhi(float pumpCurrent) {