File Name: control systems engineering questions and answers .zip
Match the transfer functions of the second-order systems with the nature of the systems given below. Consider a unity feedback system with forward transfer function given by. Given the following polynomial equation. The open loop transfer function of a unity feedback control system is given by. A Bode magnitude plot for the transfer function G s of a plant is shown in the figure. Which one of the following transfer functions best describes the plant?
You all must have this kind of questions in your mind. Below article will solve this puzzle of yours. Just take a look and download the study materials. Transient response-steady state response-Measures of performance of the standard first order and second order system-effect on an additional zero and an additional pole-steady error constant and system- type number-PID control-Analytical design for PD, PI,PID control systems. Closed loop frequency response-Performance specification in frequency domain-Frequency response of standard second order system- Bode Plot — Polar Plot- Nyquist plots-Design of compensators using Bode plots-Cascade lead compensation-Cascade lag compensation-Cascade lag-lead compensation.
A list of top frequently asked Control System interview questions and answers are given below. When the number of elements connected performs a specific function then the group of elements is said to constitute a system or interconnection of various components for a specific task is called system. Example: Automobile. Any set of mechanical or electronic devices that manages, regulates or commands the behavior of the system using control loop is called the Control System. It can range from a small controlling device to a large industrial controlling device which is used for controlling processes or machines.
In an open loop control system a Output is independent of control input b Output is dependent on control input c Only system parameters have effect on the control output d None of the above Ans: a. For open control system which of the following statements is incorrect? A control system in which the control action is somehow dependent on the output is known as a Closed loop system b Semiclosed loop system c Open system d None of the above Ans: a. In closed loop control system, with positive value of feedback gain the overall gain of the system will a decrease b increase c be unaffected d any of the above Ans: a. Which of the following is an open loop control system? Which of the following statements is not necessarily correct for open control system? In open loop system a the control action depends on the size of the system b the control action depends on system variables c the control action depends on the input signal d the control action is independent of the output Ans: d.
In electrical-pneumatic system analogy the current is considered analogous to a velocity b pressure c air flow d air flow rate. In liquid level and electrical system analogy, voltage is considered analogous to a head b liquid flow c liquid flow rate d none of the above. The viscous friction co-efficient, in force-voltage analogy, is analogous to a charge b resistance c reciprocal of inductance d reciprocal of conductance e none of the above. In force-voltage analogy, velocity is analogous to a current b charge c inductance d capacitance. In thermal-electrical analogy charge is considered analogous to a heat flow b reciprocal of heat flow c reciprocal of temperature d temperature e none of the above.
Disadvantages of closed loop control system mcq 4 Closed-Loop Control System 1. Which of the following statements is correct for any closed loop system? Harikesh Yadav 2 Which among the following is not an advantage of an open loop system? Pocket pitbull rescue. The major disadvantage of a feedback system may be.
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