Question: 2. What is feedback control? What is feedforward control? 3. What is proportional control? How to choose the proportional control gain to reduce the

2. What is feedback control? What is feedforward control? 3. What is

2. What is feedback control? What is feedforward control? 3. What is proportional control? How to choose the proportional control gain to reduce the steady-state error? 4. What is integral control? How is the integral control related to the steady-state error of step-input response?

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