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ch13 - T H I R T E E N Digital Control Systems SOLUTIONS TO...

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T H I R T E E N Digital Control Systems SOLUTIONS TO CASE STUDIES CHALLENGES Antenna Control: Transient Design via Gain a. From the answer to the antenna control challenge in Chapter 5, the equivalent forward transfer function found by neglecting the dynamics of the power amplifier, replacing the pots with unity gain, and including the integration in the sample-and-hold is G e (s) = 0.16K s 2 (s + 1.32) But, Thus, G e (z) = 0.16K z - 1 z G z , or, G e (z) = 7.659x10 -4 K (z+0.95696) (z-1) (z-0.87634) b. Draw the root locus and overlay it over the ζ = 0.5 (i.e. 16.3% overshoot) curve. .
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