Is it possible to apply Fractional Order PID using Freelance software and how?
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In theory it should be possible to implement a Fractional Order PID (in a user function block) using Structured text language.
Open question is whether the processor performance is sufficient to get a usable result.
Thank you for your answer, Processor performance is not a big issue, as it is simple control circuit. If three is any successful trials to implement FOPID, it will be very appreciated, at least I can continue the same steps.
I have seen your question from 3 month ago. Can I help you with Structured text? Have you considered creating user function blocks for implementing the operations in the complex domain?
Thank you very much, I hope you help me. yes after lot of search I created Function block for implementing the transfer function of the system and I used the PID controller to control the system. Now I need to apply the FOPID and I try search for long time but no way.
Mr. Juergen, you still interested to help me?
Yes, would be interesting to see if the controller can run the FOPID function. But I have no spare time to work on the algorithm, I can only consult with the implementation in Freelance.
Mr. Juergen, I started to make discretization for the FOPID equation, I just want to know how to make it as I real lot of papers about that, if you have any good papers explain the way step by step it will be helpful.