Proportional, Integral and Derivative Gain
These tables allow mapping of the PID system, which controls the responsiveness of the Closed Loop Idle Control system. For information on how to tune PID systems, see the PID User's Guide.
Proportional Gain
In simple terms the Proportional Gain controls how fast the system will respond relative to how far it is from the target, or high reactive the system is.
Integral Gain
The Integral Gain is how aggressive the Proportional changes are. The Integral Gain has the main purpose of adding more correction over time based on how much error is present.
Derivative Gain
Derivative Gain is used to control the rate of change of the target error. It works by pushing the correction in the opposite direction when approaching the target to help prevent overshooting of the target.
Related Articles
Derivative Gain
O2 Control Derivative Gain Axis selection and changing values This table is intended to be used with TPS or MAP set as the first/x (left to right) axis, and RPM as the second/y (bottom to top) axis, though both axes are user configurable to use any ...Idle Control
Idle Control The Idle Control function allows your ECU to control the engine idle speed. There are multiple ways this is achieved with either Drive-By-Wire (DBW) control, a Bypass Air Control (BAC) solenoid with either two or 3 wire types, or via a ...Proportional Gain
O2 Control Proportional Gain Axis selection and changing values This table is intended to be used with engine load set as the first/x (left to right) axis, and RPM as the second/y (bottom to top) axis, though both axes are user configurable to use ...Idle Control Tuning
Idle Control is used to hold the RPM steady while off the throttle. To do this the ECU needs to be controlling a device that regulates air flow into the engine. This can be via DBW throttle control, a 2 or 3 wire solenoid, or a stepper motor valve. ...Cruise Control Derivative Gain
Tuning Tips The Derivative Gain dampens the rate of change of the error, decreasing the throttle response as to not accelerate too rapidly toward the target speed, and therefore reduces the chance of overshooting the target speed. A higher Derivative ...