da2

Dahlin's controller for the processes of the second order.

Transfer function of the controlled system:

Vector of identification initial parameter estimations:

Controller specific parameters:

Parameter

Description

B – adjustment factor

Adjustment factor B that specifies dominant time constant of step response of closed control circuit: the smaller B, the quicker step response of closed circuit.

Control law:

where ek is control error (  ) and controller parameters are calculated using following equations:

Source code:

sid

on-line identification s-function

da2

function for computation of controller parameters

scqp

controller s-function

See also:

On-line identification methods

List of common controllers parameters