How to set number of measured disturbances to zero in MPC Designer

Question

Bill Tubbs 2023-5-27

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1974354-how-to-set-number-of-measured-disturbances-to-zero-in-mpc-designer

回答： Bill Tubbs 2023-5-27

I'm using the MPC Designer tool from Simulink for the first time.

I have a system with one MV, one CV, and one unmeasured input disturbance.

When I select 'MPC Structure' in MPC Designer the 'Define MPC Structure by Linearisation' window appears. In that window, when I select "Change I/O Sizes' button, the following window appears:

When I change the '1' by 'Number of measured disturbances (MD)' to '0' as shown above, or to nothing (blank), and press enter it says:

I looked at this demonstration example in the documentatiuon here, the window looks different but the example shows this field blank.

What am I doing wrong?

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Answer 1

Bill Tubbs 2023-5-27

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1974354-how-to-set-number-of-measured-disturbances-to-zero-in-mpc-designer#answer_1245689

I figured it out.

When you first add an MPC Controller to your simulink model, it has one measured disturbance input by default. From the Block Parameters window (after double-clicking it) you need to uncheck the box next to Measured Disturbance (md) in the Additional Inports area and click Apply, before cliking the 'Design' button: