AEM 30-71XX Infinity Stand-Alone Programmable Engine Mangement System Full Manual User Manual
Page 257
Tuning Guide
251
© 2014 AEM Performance Electronics
BoostGain_Ki
Units: Integral Gain vs RPM
Description: Integral control is implemented through the introduction of an integrator. Integral
control is used to provide the required accuracy for the control system. This is used to fine tune
boost once the proportional has acted in getting close to the target. Note: start tuning the boost
feedback with this option at zero. Once the proportional has the lambda close to the target, step
this in slowly until the target is achieved.
BoostGain_Kd
Units: Derivative Gain vs RPM
Description: The derivative term slows the rate of change of the controller output. Derivative
control is used to reduce the magnitude of the overshoot produced by the integral component
and improve the combined controller-process stability. Note: start tuning the boost feedback with
this option at zero. Once the proportional and internal term has the boost pressure close to the
target, step this gain in slowly until the target is achieved.
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