Chapter 1 Introduction to Control Systems

In a closed loop system, measurement from the output is being fed to the input. A comparator will compare the difference between the the desired output with the actual output. The objective of a negative feedback system is to get error=0.

• True

• False

A multivariate system is a system with more than one input and/or more than one output.

• True

• False

Early applications of feedback control include which of the following?

Select one:

• Water clock of Ktesibios

• Watt's flyball governor

• Drebbel's temperature regulator

• All of above

Important modern applications of control systems include which of the following?

Select one:

• Automated manufacturing

• Fuel-efficient and safe automobiles

• Autonomous robots

• All of above

Complete the following sentence:

Control of an industrial process by automatic rather than manual means is often called

• a design gap

• automation

• negative feedback

• a specification

Complete the following sentence:

__________ are intrinsic in the progression from an initial concept to the final product.

• A design gap

• Open-loop control Systems

• Flyball governors

• A closed-loop feedback systems

Complete the following sentence:

Control engineers are concerned with understanding and controlling segments of their environments, often called ___________

• systems

• risk

• design synthesis

• trade-offs

Early pioneers in the development of systems and control theory include:

• H.W.Bode

• H.S. Black

• H. Nyquist

• All of the above

Complete the following sentence:

An open-loop control system utilizes an actuating device to control a process ___________

Select one:

• in engineering synthesis

• without using feedback

• using feedback

• in engineering design

A system with more than one input variable or more than one output variable is known by what name?

Select one:

• Robust control

• Closed-loop feedback system

• Open-loop feedback system

• Multivariable control system