Electronic pacemakers for human hearts regulate the speed of the heart pump. A proposed closed-loop system that

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Electronic pacemakers for human hearts regulate the speed of the heart pump. A proposed closed-loop system that includes a pacemaker and the measurement of the heart rate is shown in Figure P5.17 [2, 3]. The transfer function of the heart pump and the pacemaker is found to be
Electronic pacemakers for human hearts regulate the speed of the

Design the amplifier gain to yield a system with a settling time to a step disturbance of less than 1 second. The overshoot to a step in desired heart rate should be less than 10%.
(a) Find a suitable range of K.
(b) If the nominal value of K is K = 10, find the sensitivity of the system to small changes in K.
(c) Evaluate the sensitivity of part (b) at DC (set s = 0).
(d) Evaluate the magnitude of the sensitivity at the normal heart rate of 60 beats/minute.
Figure P5.17
Heart pacemaker.

Electronic pacemakers for human hearts regulate the speed of the
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Modern Control Systems

ISBN: 978-0136024583

12th edition

Authors: Richard C. Dorf, Robert H. Bishop

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