20.6.5.9. PID(z)

The PID Controller block implement a discrete-time controller.

  • Forward Euler:

    \({{z}_{ploe}}=1-N{{T}_{s}}\)

  • Backward Euler:

    \({{z}_{ploe}}=\frac{1}{1+N{{T}_{s}}}\)

  • Trapezoidal Euler:

    \({{z}_{ploe}}=\frac{1-N{{T}_{s}}/2}{1+N{{T}_{s}}/2}\)

Dialog box

../_images/image1531.png

Figure 20.90 PID(z) dialog box

Table 20.46 Parameters

Parameter(s)

Description

Proportional(P)

Enter the proportional gain P.

Integral(I)

Enter the integral gain I.

Derivative(D)

Enter the derivate gain D.

Filter coefficient(N)

Enter the filler coefficient N, which determines the pole location of the filter in the derivate action.

Integrator method

Select an integration or accumulation method. For more information, refer to Discrete Time Integrator.

Initial Condition of Integrator

Enter the integrator initial value.

Sample time

Enter the time interval between samples.