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Q4. A second order process plus measuring element is controlled by a proportional controller as shown in the drawing. a) For what range(s) of m

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Q4. A second order process plus measuring element is controlled by a proportional controller as shown in the drawing. a) For what range(s) of m will the resulting system be stable? 6 b) What practical arguments might be used to restrict the range(s) of acceptable m3 even further? c) If a Proportional-Derivative (PD) controller with D=m is used, how would your answers to (a) and (b) be affected? 6

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