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Question: 20 determine the system undamped natural frequency and damping ratio...

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20 Determine the system undamped natural frequency and damping ratio for the mechanical and electrical systems shown in Fig. 9.40(a) and (b). In each case, if it is desired to increase the d natural frequency, what parameters should be changed? How do these changes influence damping ratio? What parameters can be used to increase the system damping ratio without the system altering the undamped natural frequency? nm F,(0) Finure 9.4Q: A mechanical and an electrical second-order system.
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