Fractional PID Controller Design

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  • #1077
    Aleksei
    Keymaster

    Instead of G=1/s+1 use G=fotf(1/s+1).

    #1078
    Nitish Katal
    Guest

    Thanks a lot sir, it worked.

    But now when am trying to find the Infinity Norm of the Senetivity function using norm (sys_cl, Inf) it again gives errors. As:
    fig

    #1080
    Aleksei
    Keymaster
    #1081
    ASHIF
    Guest

    sir,thanx in advance
    is there any method to find out parameters of FOPID controller by matching loop response to a model
    ie,,
    if if C(s) is FOPID Structure
    and if we have plant transfer function G(s) and model M(s)
    such that C(s)*G(s)=M(s) frequency ranges are w=10^-2 to 10000
    please help me about coding

    #1083
    Aleksei
    Keymaster

    You can develop this into an optimization problem.

    #1090
    Naeem Haider
    Guest

    Hi ,

    i am using fomcon and its working very well with matlab 2012 ,, but now i have to use fomcon toolbox with matlab 2008 , and fotf_gui ,, and all other functions are working perfectly in matlab.. but i need fractional integrator block in simulink , but simulink is not supporting all the blocks of fomcon,,, and i m trying to use integrator block in non linear model which cannot be written in transfer function format…. i can write fotf in matlab workspace ,,, but not in simulink,,, is there any way i can import transfer function from workspace to simulink model… and also another problem is i have to use matlab 2008 because its synced with physical system…

    kindly help me its about how to make fractional transfer function from matlab to simulink model…..

    #1094
    Aleksei
    Keymaster
Viewing 7 posts - 46 through 52 (of 52 total)
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