Adaptive Control
Adaptive Control 1. Which of the following programs is not a popular desktop publishing program? a) Adobe PageMaker b) Microsoft Publisher c) Lotus AmiPro d) QuarkXPress Answer: c Explanation: Lotus…
Stability Analysis by Describing Functions
Stability Analysis by Describing Functions 1. The characteristic equation of a feedback control system is given bys3+5s2+(K+6)s+K=0. In the root loci diagram, the asymptotes of the root loci for large…
Constructing Phase-Trajectories
Constructing Phase-Trajectories 1. In liquid level and electrical system analogy, voltage is considered analogous to : a) Head b) Liquid flow c) Liquid flow rate d) Air flow rate Answer:…
Construction of Phase -Trajectories
Construction of Phase -Trajectories 1. Electrical time-constant of an armature-controlled dc servomotor is : a) Equal to mechanical time-constant b) Smaller than mechanical time-constant c) Larger than mechanical time-constant d)…
Stability of Nonlinear System – II
Stability of Nonlinear System – II 1. In a control system integral error compensation _______steady state error a) Increases b) Minimizes c) Does not have any effect on steady state…
Stability of Nonlinear System
Stability of Nonlinear System 1. Stability of a system implies that : a) Small changes in the system input does not result in large change in system output b) Small…
Common Physical Nonlinearities
Common Physical Nonlinearities 1. The term backlash is associated with: a) Servomotors b) Induction relays c) Gear trains d) Tacho generator. Answer: c Explanation: The term backlash is associated with…
Parameter Optimization
Parameter Optimization 1. A conditionally stable system exhibits poor stability at : a) Low frequencies b) Reduced values of open loop gain c) Increased values of open loop gain d)…
Output Regulator & the Tracking Problem
Output Regulator & the Tracking Problem 1. For output regulator problem in performance index the parameter which is set to zero: a) Input vector b) Output vector c) Control vector…
The Infinite Time Regulator Problem
The Infinite Time Regulator Problem 1. In infinite time regulator for the final time is: a) t1 b) t0 c) Infinite d) Zero Answer: c Explanation: In infinite time regulator…
