Controller for
third order processes with filtration of D-component using
Transfer function of the controlled system:
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Vector of identification initial parameter estimations:
Controller specific parameters:
Parameter |
Description |
alfa - filtration coefficient |
Filtration coefficient a used by filter of process output signal. The time constant of the filter is: where usually 3 < a < 20 |
Control law:
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where ek is control error ( ) and controller parameters are calculated using following equations:
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Variables and are ultimate gain and ultimate period respectively.
Source code:
sid |
on-line identification s-function |
zn3fd |
function for computation of controller parameters |
scqp |
controller s-function |
See also:
On-line identification methods