Systems Analysis and Control
The Quadratic Approximation gives the Closed-Loop Damping Ratio as M = tan 1 q 2 2 2 + p 4 4 + 1 M is from the Open-Loop Data! A Handy approximation is = M 100 Only valid out to ˘=:7. Given M, we nd closed-loop . M. Peet Lecture 21: Control Systems 17 / 31
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Spacecraft and Aircraft Dynamics
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