2251 COURSE TITLE COURSE CODE TIME ALLOWED UNIVERSITY OF ABUJA FACULTY OF ENGINEERING DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING FIRST SEMESTER EXAMINATION 2023/2014 SESSION CONTROL THEORY I KEE 313 TWO HOURS (2 HRS) INSTRUCTIONS: ANSWER ANY FOUR (O QUESTIONS (ALL QUESTIONS ARE ALLOTTED EQUAL MARKS EACH) Question 1 [25 Marks) Consider the control system in Figure 1. Assume the initial conditions to be zero. [a] What is the input-output relationship? [3 marks] [b] What is the unit-step response of the system? [5 marks] [c] Using a unit-ramp response, what is the error signal? [7 marks] [d] Draw the unit-impulse response curve of the system, for t≥0. [10 marks] Question 2125 Marks) Figure 1 Control system CU) when is the system said to be R(S) [a].Given a system with transfer function Underdamped [2 marks] ii. Critically damped [2 marks] Overdamped [2 marks] [b] With the help of a diagram, define Delay time [2 marks] L ii. Rise time [2 marks] 111. Peak time [2 marks] iv. V. Settling time [2 marks] Maximum overshoot [2 marks [Note: the diagram carries 9 marks] Question 3 [25 marks] Consider the system shown in Figure 2. R() C(s) K 3(3²+3+1)(x+2) Figure 2 Control system

2251 COURSE TITLE COURSE CODE TIME ALLOWED UNIVERSITY OF ABUJA FACULTY OF ENGINEERING DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING FIRST SEMESTER EXAMINATION 2023/2014 SESSION CONTROL THEORY I KEE 313 TWO HOURS (2 HRS) INSTRUCTIONS: ANSWER ANY FOUR (O QUESTIONS (ALL QUESTIONS ARE ALLOTTED EQUAL MARKS EACH) Question 1 [25 Marks) Consider the control system in Figure 1. Assume the initial conditions to be zero. [a] What is the input-output relationship? [3 marks] [b] What is the unit-step response of the system? [5 marks] [c] Using a unit-ramp response, what is the error signal? [7 marks] [d] Draw the unit-impulse response curve of the system, for t≥0. [10 marks] Question 2125 Marks) Figure 1 Control system CU) when is the system said to be R(S) [a].Given a system with transfer function Underdamped [2 marks] ii. Critically damped [2 marks] Overdamped [2 marks] [b] With the help of a diagram, define Delay time [2 marks] L ii. Rise time [2 marks] 111. Peak time [2 marks] iv. V. Settling time [2 marks] Maximum overshoot [2 marks [Note: the diagram carries 9 marks] Question 3 [25 marks] Consider the system shown in Figure 2. R() C(s) K 3(3²+3+1)(x+2) Figure 2 Control system

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter14: Power Distribution

Section: Chapter Questions

Problem 14.20P

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