A sun-tracking control system has the following open-loop transfer function: G(s

Question

A sun-tracking control system has the following open-loop transfer function: G(s) 2500k/s(s + 25) The system operates as a unity feedback system that has an overshoot of less than 10%. Do the following: 1) Evaluate the steady-state error of the uncompensated system for a unit ramp input. 2) Design a Lag compensator to improve the steady-state error by a factor of 10. 3) Provide a plot the step response of the compensated system. Provide your observation of the compensator impacts on the system response.

Explanation / Answer

1) staedy state error = 1/100K

2) Lag compensator = s + 5 /s(s+2)
3) reduce gain

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