DS4002 Digital Control Engineering Syllabus:

DS4002 Digital Control Engineering Syllabus – Anna University PG Syllabus Regulation 2021

COURSE OBJECTIVES:

 To introduce continuous time systems, analysis and various controllers
 To introduce time and frequency response of digital control systems with modeling techniques.
 To introduce the design of digital controllers and analyze
 To represent state space modeling of digital systems
 To design state space based controllers for digital systems.

UNIT I PRINCIPLES OF CONTROLLERS

Review of frequency and time response analysis and specifications of control systems, need for controllers, continuous time compensations, continuous time PI, PD, PID controllers, digital PID controllers.

UNIT II SIGNAL PROCESSING IN DIGITAL CONTROL

Sampling, time and frequency domain description, aliasing, hold operation, mathematical model of sample and hold, zero and first order hold, factors limiting the choice of sampling rate, reconstruction

UNIT III MODELING AND ANALYSIS OF SAMPLED DATA CONTROL SYSTEM

Difference equation description, Z-transform method of description, pulse transfer function, time and frequency response of discrete time control systems, stability of digital control systems, Jury’s stability test, state variable concepts, first companion, second companion, Jordan canonical models, discrete state variable models, elementary principles.

UNIT IV DESIGN OF DIGITAL CONTROL ALGORITHMS

Review of principle of compensator design, Z-plane specifications, digital compensator design using frequency response plots, discrete integrator, discrete differentiator, development of digital PID controller, transfer function, design in the Z-plane.

UNIT V PRACTICAL ASPECTS OF DIGITAL CONTROL ALGORITHMS

Algorithm development of PID control algorithms, software implementation, implementation using microprocessors and microcontrollers, finite word length effects, choice of data acquisition systems, microcontroller based temperature control systems, microcontroller based motor speed control systems

TOTAL:45 PERIODS

COURSE OUTCOMES:

CO1: Understand the concepts of discrete system science related mathematics and principles of controllers.
CO2: Explain the discrete system, component or process to meet desired needs for signal processing in digital control systems.
CO3:Understand the Z-transform to process time sequences and solve difference equations to characterize the stability, frequency response, transient time response and steady-state error of a digital control system.
CO4: Design digital controllers in the z-domain and by approximation of S-domain design to solve discrete control engineering problems.
CO5: Understand the techniques, tools and skills related to discrete signals, computer science and modern discrete control engineering in modern engineering practice.

REFERENCES:

1. M.Gopal, Digital Control and State Variable Methods, Tata McGraw Hill, New Delhi, 4th edition, 2017.
2. John J. D’Azzo, Constantine H. Houpis, Linear Control System Analysis and Design, McGraw Hill, 5th edition, 2003.
3. Kenneth J. Ayala, The 8051 Microcontroller- Architecture, Programming and Applications, Penram International, 2nd Edition, 1996.