Introduction to Discrete Linear Controls - 1st Edition - ISBN: 9780121016500, 9781483277905

Introduction to Discrete Linear Controls

1st Edition

Theory and Application

Authors: Albert B. Bishop
Editors: J. William Schmidt
eBook ISBN: 9781483277905
Imprint: Academic Press
Published Date: 28th January 1975
Page Count: 394
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Introduction to Discrete Linear Controls: Theory and Applications focuses on the design, analysis, and operation of discrete-time decision processes.

The publication first offers information on systems theory and discrete linear control systems, discrete control-system models, and the calculus of finite differences. Discussions focus on the calculus of finite differences and linear difference equations, summations, control of cylinder diameter, generalized discrete process controller with sampling, difference equations, control theory, and system models. The text then examines classical solution of linear difference equations with constant, inverse transformation, and measures and environmental effects of system performance.

The manuscript takes a look at parameter selection in first-order systems considering sampling and instrumentation errors, second-order systems, and system instability, including responses of the generalized second-order process controller; criterion for stability of discrete linear systems; and proportional-plus-difference control.

The publication is a valuable source of information for engineers, operations researchers, and systems analysts.

Table of Contents



Chapter I Systems Theory and Discrete Linear Control Systems

1.1 Systems Theory

1.2 Discrete Systems

1.3 Control Theory

1.4 Control Systems

1.5 System Models


Chapter II Discrete Control-System Models

2.1 Difference Equations

2.2 Control of Cylinder Diameter

2.3 Generalized Discrete Process Controller with Sampling

2.4 Production-Inventory Control System

2.5 Criminal Justice System Feedback Model

2.6 Conclusion


Chapter III The Calculus of Finite Differences

3.1 Differences

3.2 Factorial Polynomials

3.3 Summations

3.4 The Calculus of Finite Differences and Linear Difference Equations


Chapter IV Classical Solution of Linear Difference Equations with Constant Coefficients

4.1 The Nature of Solutions

4.2 The Homogeneous Solution

4.3 The Particular Solution

4.4 Boundary Conditions

4.5 Finding the Roots of the Characteristic Equation


Chapter V The z Transform

5.1 The Basic Transform

5.2 Properties of the z Transform

5.3 Tables

5.4 Transformation of Linear Difference Equations

5.5 The z Transform as a Probability Generating Function


Chapter VI Inverse Transformation

6.1 Contour Integration

6.2 Table of Transform Pairs

6.3 Power Series Expansion

6.4 Maclaurin Series Expansion

6.5 Partial Fraction Expansion

6.6 The Special Case of zn = 0

6.7 Transfer Functions

6.8 Solution of Difference Equations with Generalized Forcing Functions

6.9 Conclusion


Chapter VII System Performance: Measures and Environmental Effects

7.1 Control-System Performance Criteria

7.2 The Cylinder-Diameter Controller

7.3 Impulse Perturbation

7.4 Step Perturbation

7.5 Sinusoidal Perturbation

7.6 Random Perturbations

7.7 Selection of K


Chapter VIII Parameter Selection in First-Order Systems Considering Sampling and Instrumentation Errors

8.1 The Simple Proportional Process Controller with Measurement Error

8.2 Properties of Measurement Error ɛ(i)

8.3 Sampling

8.4 Instrumentation

8.5 Distribution of Individual Product Units

8.6 Maximum Speed of Response with Bounded Steady-State Process-Output Variance

8.7 Maximum Speed of Response with Bounded Steady-State Variance of Individual Product Units

8.8 Maximum Speed of Response with Random Perturbation and Bounded Steady-State Process-Output Variance

8.9 Maximum Speed of Response with Random Perturbation and Bounded Steady-State Variance of Individual Product Units

8.10 Minimum Steady-State Mean-Square Deviation of Process Output

8.11 Minimum Steady-State Mean-Square Deviation of Individual Product Units

8.12 Maximum Steady-State Probability of Acceptable Process Output

8.13 Maximum Steady-State Probability of Acceptable Individual Product Units

8.14 Other Possibilities


Chapter IX System Stability

9.1 General Definitions

9.2 Criterion for Stability of Discrete Linear Systems

9.3 Tests for Stability


Chapter X Second-Order Systems

10.1 The Second-Order System

10.2 The Generalized Second-Order, Rapid-Response Process Controller

10.3 Responses of Generalized Second-Order Process Controller

10.4 Proportional-Plus-Difference Control

10.5 Proportional-Plus-Summation Control

10.6 Proportional Control with One-Period Delay


Chapter XI nth-Order and Complex Systems

11.1 Signal Flow Graphs

11.2 Step-Function Response of nth-Order Generalized Process Controller

11.3 Effects of Delay on Process Controller Stability

11.4 Determination of Frequency Response from the System Transfer Function





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© Academic Press 1975
Academic Press
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About the Author

Albert B. Bishop

About the Editor

J. William Schmidt

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