CP13 7 An industrial grinding process is given by the transfer function 15 10 Gp($) s(s 5) The objective is to use a digital computer to im prove the performance, where the transfer function of the computer is represented by D(z) The design specifications are (1) phase margin of P M 45, and (2) settling time (with a 2 criterion) of T, 1s (a) Design a controller Ge(s) Ks a s b to meet the design specifications (b) Assuming a sampling time of T 0 02 s, convert Ge(s) to D(z) (c) Simulate the continuous time, closed loop sys tem with a unit step input (d) Simulate the sam pled data, closed loop system with a unit step input (e) Compare the results in parts (c) and (d) and comment

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CP13 7 An industrial grinding process is given by the transfer function  15  10 Gp($)  s(s 5) The objective is to use a digital computer to im  prove the performance, where the transfer function of the computer is represented by D(z)  The design specifications are (1) phase margin of P M   45, and (2) settling time (with a 2  criterion) of T,  1s  (a) Design a controller Ge(s)   Ks a s b to meet the design specifications  (b) Assuming a sampling time of T   0 02 s, convert Ge(s) to D(z)  (c) Simulate the continuous time, closed loop sys  tem with a unit step input  (d) Simulate the sam  pled data, closed loop system with a unit step input  (e) Compare the results in parts (c) and (d) and comment

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Question: CP13.7 An industrial grinding process is given by the transfer function [15] 10 Gp($)= s(s+5) The objective is to use a digital computer to im-

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