Debugging slTuner error - finding a mystery time-delay

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Greg Whelan 2016-10-26

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https://ww2.mathworks.cn/matlabcentral/answers/309266-debugging-sltuner-error-finding-a-mystery-time-delay

关闭： MATLAB Answer Bot 2021-8-20

Hello All,

I am still fairly new to Simulink and I am working on using it for my graduate research. I have been struggling with this and I am reaching out to my resources; I am sure it is simple, if I could find it. I attached an image of the model I am trying to tune. To tune I am using 'Control System Tuning without Stress or Guess'. The tuner is throwing a "Cannot tune control systems with continuous-time delays...", as captured in the attached image. The two PI and PWM blocks are the default, and no delay is in them.

I am asking for help either in locating said delay or what block should the 'pade' function be used on. Converting to discrete is my next step if nothing appears

Thank you in advance, Greg Whelan