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Making a plant stable with a compensator based on given requ
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[QUOTE="milesyoung, post: 5468192, member: 172008"] I see more than 22 dB margin for both the lower and upper bound on the gain for the cascade of your controller and plant. That's very decent. The lower bound is something you introduce by adding a pure integrator (pole at zero, component of PID), which isn't present with the lead compensator. For high-order systems, I like using the frequency response for design, since, in my experience, it's rare in practice to have a pole pair be truly dominant. The system response is then due to the compound effects of a whole bunch of stuff, but the rules for [URL='https://www.google.com/search?q=loop+shaping']loop shaping[/URL] stay the same. Maybe you feel the same about root-locus design. [/QUOTE]
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Making a plant stable with a compensator based on given requ
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