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control systems > CSE_lecture 1 > Flashcards

CSE_lecture 1 Flashcards

1
Q

What is the primary purpose of a control system?

A

To regulate, direct, or command.

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2
Q

An arrangement of physical components connected to form a whole for a desired response.

A

system

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3
Q

The stimulus or command applied to the system, usually from an external source.

A

Input

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4
Q

The actual response obtained from the control system.

A

output

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5
Q

The device, plant, or system under control, showing the input-output relationship.

A

process

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6
Q

The quantity or condition that is measured and controlled, typically the system output.

A

controlled variable

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7
Q

The quantity or condition varied by the controller to affect the controlled variable.

A

manipulated variable

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8
Q

Equipment or a set of machines functioning together to perform a particular operation.

A

plants

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9
Q

Signals that tend to adversely affect the system’s output.

A

disturbances

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10
Q

A system where the control action is independent of the output.

A

Open loop control system

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11
Q

A system where the control action depends on the output, typically using feedback.

A

closed control loop system

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12
Q

The process of establishing or reestablishing the input-output relation for accuracy.

A

calibration

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13
Q

The property that allows the output to be compared with the input for corrective action.

A

feedback

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14
Q

What is the primary advantage of a feedback control system?

A

Increased accuracy and ability to correct disturbances.

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15
Q

A system controlling multiple variables simultaneously.

A

What is a multivariable control system?

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16
Q

The tendency of a system to fluctuate due to excessive sensitivity or instability.

A

oscillation

17
Q

The frequency response measure of how well the system filters variations in input.

A

bandwidth

18
Q

A signal dependent on a continuum of values of an independent variable, usually time.

A

analog signal

19
Q

A signal defined at discrete instants of time.

A

digital signal

20
Q

What type of control system processes only continuous-time signals?

A

Continuous-time (analog) control systems.

21
Q

What type of control system processes discrete-time signals?

A

Discrete-time (digital) control systems.

22
Q

Investigating the properties of an existing system.

A

analysis

23
Q

Choosing and arranging system components to perform a specific task.

A

design

24
Q

Defining the system form directly from its specifications.

A

synthesis

25
Q

Amplifying a low-power input to drive a high-power output, such as in radar antennas.

A

amplifier

26
Q

What are two features of open-loop systems?

A

Accuracy determined by calibration and absence of instability issues.

27
Q

What is the function of an error detector in a closed-loop system?

A

To compare the output with the input and generate a corrective action signal.

28
Q

combination of both analog and digital signal

A

hybrid signal

29
Q

Enumerate the components of a control system.

A

Input
Output
Process
Controlled Variable
Manipulated Variable
Disturbances

30
Q

Enumerate the two general categories of control systems.

A

Open-Loop Control System
Closed-Loop Control System

31
Q

Enumerate the characteristics of feedback in control systems.

A

Increased accuracy
Tendency toward oscillation or instability
Reduced sensitivity to system parameter variations
Reduced effects of nonlinearities
Reduced effects of external disturbances or noise
Increased bandwidth

32
Q

Enumerate the four primary reasons for using control systems.

A

Power amplification
Remote control
Convenience of input form
Compensation for disturbances

33
Q

Enumerate the advantages of feedback control systems.

A

Improved accuracy
Ability to adapt to changes
Reduced sensitivity to disturbances
Enhanced performance
Reduced overshoot and improved response times

34
Q

Enumerate the types of signals in control systems.

A

Continuous-Time (Analog) Signals
Discrete-Time (Digital) Signals
Hybrid Signals

35
Q

Enumerate the two types of design processes in control system engineering.

A

Design by Analysis
Design by Synthesis

control systems (4 decks)

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