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SUPSIDTIProgettazione Controllori Control Wind-up Actuation signal Output signal

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SUPSIDTIProgettazione Controllori PID controller with Anti-Wind-up Or limitation of output

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SUPSIDTIProgettazione Controllori Anti-Wind-up through saturated feedback and FIR filter implementation All signals bounded! N(z) and F(z) are numerator and denominator polynomials in z -1

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SUPSIDTIProgettazione Controllori Anti-Wind-up through saturated feedback and IIR filter implementation F(z) is polynomial in z -1 with well stable poles (inside unit circle) Case F(z)=1 corresponds to previous case. If Anti-windup measure is too fast (actuation signal may jump from bound to bound) slow-down with low-pass filter F(z)

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SUPSIDTIProgettazione Controllori Anti-Wind-up through saturated feedback for state-feedback controllers All signals bounded!

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SUPSIDTIProgettazione Controllori Anti-Wind-up through saturated feedback for state-feedback controllers F(z) is polynomial in z -1 with stable poles (inside unit circle)

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CHE 185 – PROCESS CONTROL AND DYNAMICS

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