Industrial Servo Control Systems (BEE654C)

Industrial Servo Control Systems

Course Code BEE654C 
CIE Marks 50
Teaching Hours/Week (L:T:P: S) 3:0:0:0 
SEE Marks 50
Total Hours of Pedagogy 40 
Total Marks 100
Credits 03 
Exam Hours 03
Examination type (SEE) Theory

Module-1

Servos: Introduction, Benefits of Servo Systems, Types of Servos - Evolution of Servo Drives, Classification of Drives, Components of Servos - Hydraulic/Electric Circuit Equations, Actuators- Electric, Actuators-Hydraulic,Amplifiers-Electric,Amplifiers-Hydraulic,Transducers (Feedback).

Module-2

Machine Servo Drives: Types of Drives, Feed Drive Performance.

Troubleshooting Techniques: Techniques by Drive, Problems: Their Causes and Cures.

Machine Feed Drives: Advances in Technology, Parameters for making Application Choices.

Application of Industrial Servo Drives: Introduction, Physical System Analogs, Quantities and Vectors, Differential Equations for Physical Systems, Electric Servo Motor Transfer Functions and Time Constants, Transport Lag Transfer Function, Hydraulic Servo Motor Characteristics, General Transfer Characteristics

Module-3

Generalized Control Theory: Servo Block Diagrams, Frequency-Response Characteristics and Construction of Approximate (Bode) Frequency Charts, Nichols Charts, Servo Analysis Techniques, Servo Compensation.

Indexes of Performance: Definition of Indexes of Performance for Servo Drives, Indexes of Performance for Electric and Hydraulic Drives.

Module-4

Performance Criteria: Percent Regulation, Servo System Responses.

Servo Plant Compensation Techniques: Dead-Zone Nonlinearity, Change-in-Gain Nonlinearity, Structural Resonances, Frequency Selective Feedback, Feed forward Control. Machine Considerations: Machine feed drive Considerations, Ball Screw Mechanical Resonances and Reflected Inertias for Machine Drives.

Module-5

Machine Considerations: Drive Stiffness, Drive Resolution, Drive Acceleration, Drive Speed Considerations, Drive Ratio Considerations, Drive Thrust/Torque And Friction Considerations, Drive Duty Cycles.

Suggested Learning Resources:

Books

1. Industrial Servo Control Systems Fundamentals and Applications, George W. Younkin, Marcel Dekker, 1st Edition, 2003.

Reference Books

1. Servo Motors and Industrial Control Theory, Riazollah Firoozian, Springer, 2nd Edition, 2014.

2. DC SERVOS Application and Design with MATLAB, Stephen M. Tobin, CRC, 1st Edition, 2011.