Adaptive Control 1. Which of the following programs is not a popular desktop publishing program? a) Adobe PageMaker b) Microsoft

## 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

## Constructing Phase-Trajectories

Constructing Phase-Trajectories 1. In liquid level and electrical system analogy, voltage is considered analogous to : a) Head b) Liquid

## 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)

## Stability of Nonlinear System – II

Stability of Nonlinear System – II 1. In a control system integral error compensation _______steady state error a) Increases b)

## Stability of Nonlinear System

Stability of Nonlinear System 1. Stability of a system implies that : a) Small changes in the system input does

## Common Physical Nonlinearities

Common Physical Nonlinearities 1. The term backlash is associated with: a) Servomotors b) Induction relays c) Gear trains d) Tacho

## Parameter Optimization

Parameter Optimization 1. A conditionally stable system exhibits poor stability at : a) Low frequencies b) Reduced values of open

## Output Regulator & the Tracking Problem

Output Regulator & the Tracking Problem 1. For output regulator problem in performance index the parameter which is set to

## 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)