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Problem 2. F Consider the Mass-Spring-Damper system shown in Fig. 2 (left), where m is the mass of the cart, k is the spring constant, and b is the damper constant. The input of the system is u(t), which represents the external force acting on the cart. The displacement of the cart is denoted as x(t). = x(t). 1) (10 points) Consider the velocity (t) as the output of the system, i.e., y(t) Assuming the zero initial conditions, write the transfer function G(s) from the input u(t) to the output y(t). 2) (15 points) If a proportional controller is used to control the system, then the block diagram of the closed-loop system is given by Fig. 2 (right). Assume that m = 1 kg, b = 4 N.s/m, and k = 3N/m. Sketch the Bode plot of G(s) for K = 1. 3) (15 points) Sketch the Nyquist plot based on the Bode plot. Determine the range of K for which the system is stable. Consider both positive and negative values of K. b x(t) J u(t) m R K G(s) Y Figure 2: Mass-Spring-Damper system in Problem 2.

Problem 2. F Consider the Mass-Spring-Damper system shown in Fig. 2 (left), where m is the mass of the cart, k is the spring constant, and b is the damper constant. The input of the system is u(t), which represents the external force acting on the cart. The displacement of the cart is denoted as x(t). = x(t). 1) (10 points) Consider the velocity (t) as the output of the system, i.e., y(t) Assuming the zero initial conditions, write the transfer function G(s) from the input u(t) to the output y(t). 2) (15 points) If a proportional controller is used to control the system, then the block diagram of the closed-loop system is given by Fig. 2 (right). Assume that m = 1 kg, b = 4 N.s/m, and k = 3N/m. Sketch the Bode plot of G(s) for K = 1. 3) (15 points) Sketch the Nyquist plot based on the Bode plot. Determine the range of K for which the system is stable. Consider both positive and negative values of K. b x(t) J u(t) m R K G(s) Y Figure 2: Mass-Spring-Damper system in Problem 2.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Problem 2. F Consider the Mass-Spring-Damper system shown in Fig. 2 (left), where m is the mass of the cart, k is the spring constant, and b is the damper constant. The input of the system is u(t), which represents the external force acting on the cart. The displacement of the cart is denoted as x(t). = x(t). 1) (10 points) Consider the velocity (t) as the output of the system, i.e., y(t) Assuming the zero initial conditions, write the transfer function G(s) from the input u(t) to the output y(t). 2) (15 points) If a proportional controller is used to control the system, then the block diagram of the closed-loop system is given by Fig. 2 (right). Assume that m = 1 kg, b = 4 N.s/m, and k = 3N/m. Sketch the Bode plot of G(s) for K = 1. 3) (15 points) Sketch the Nyquist plot based on the Bode plot. Determine the range of K for which the system is stable. Consider both positive and negative values of K. b x(t) J u(t) m R K G(s) Y Figure 2: Mass-Spring-Damper system in Problem 2.
Transcribed Image Text:Problem 2. F Consider the Mass-Spring-Damper system shown in Fig. 2 (left), where m is the mass of the cart, k is the spring constant, and b is the damper constant. The input of the system is u(t), which represents the external force acting on the cart. The displacement of the cart is denoted as x(t). = x(t). 1) (10 points) Consider the velocity (t) as the output of the system, i.e., y(t) Assuming the zero initial conditions, write the transfer function G(s) from the input u(t) to the output y(t). 2) (15 points) If a proportional controller is used to control the system, then the block diagram of the closed-loop system is given by Fig. 2 (right). Assume that m = 1 kg, b = 4 N.s/m, and k = 3N/m. Sketch the Bode plot of G(s) for K = 1. 3) (15 points) Sketch the Nyquist plot based on the Bode plot. Determine the range of K for which the system is stable. Consider both positive and negative values of K. b x(t) J u(t) m R K G(s) Y Figure 2: Mass-Spring-Damper system in Problem 2.
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