Please Solve Just The Prblem 8 15 This Is The Problem 7 8 1 (50.13 KiB) Viewed 44 times
This is the problem 7.8
Please Solve Just The Prblem 8 15 This Is The Problem 7 8 2 (107.85 KiB) Viewed 44 times
8.15. Consider the control of the depth of a submarine discussed in Problem 7.8. Design an overall system to meet (1) position error <10%, (2) phase margin CHAPTER 8 FREQUENCY-DOMAIN TECHNIQUES 360°, and (3) gain margin 210 dB. Compare the design with the one in Prob- lem 7.8.
7.8. The depth below sea level of a submarine can be maintained by the control system shown in Figure P7.8. The transfer function from the stern plane angle to the actual depth y of the submarine can be modeled as 10(s + 2)2 G(s) = (s + 10)(s2 + 0.1) The depth of the submarine is measured by a pressure transducer, which is assumed to have a transfer function of 1. Find the smallest k such that the ө Actuator and submarine dynamics 10(5 + 2)2 (s + 10) (s2 +0.1) у k Depth y you Pressure transducer 1 Stern plane (a) (b) Figure P7.8
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