How do I configure my model to read model workspace variables?

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Konstantinos Tsitsilonis 2017-10-4

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回答： Mazin Mogadem 2020-9-9

Hi all,

I am running a simple model in Simulink and I want to optimise it.

I have used the Model Explorer to set the Variables I want to optmized, and named the respective Gain blocks accordingly.

However, when in the Response Optimisation, I click to select Design Variables Set -> click on New, an error comes up which says:

 The model does not use any base or model workspace variables. Configure the model to use base or model 
 workspace variables for optimization.

I thought by following the above procedure, I have already configured my model as such. So how can I configure my model to run optimisation?

Thanks for your help in advance,

KMT.

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Answer 1

Marco 2017-10-4

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Hello, If in your model, you don't need to use some workspace variable it is not necessary to optimize your model also for this part.

BR Marco

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Konstantinos Tsitsilonis 2017-10-5

编辑：Konstantinos Tsitsilonis 2017-10-5

Thanks for your answer Marco!

I do not understand the following then: I have three gain blocks and I would like to find their optimum combination of values such that my response has some of the desired characteristics that I want. For example these requirements are: overshoot less than 5% and attain its steady state in less than 0.3 seconds

If it is not necessary to optimise, then how would I do this? I am trying avoid changing values manually and running the model to check whether it fulfils the response requirements I have set

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