Control Engineering
 
 
Subject Code: EPM2116
Aim of Subject: To provide the students with a basic understanding of the control theories and systems.
Learning Outcome of Subject: At the completion of the subject, students should be able to:
  • Understand the meaning of control system and develop their mathematical skills towards control system response.
  • Develop their skills in analyzing control system in time domain.
  • Introduce the necessary hardware used to realize control systems.
  • Formalize problem of stability and develop criteria to test it.
  • Apply time and frequency domain techniques for designing control systems.
  • Undertake, under supervision, laboratory experiments that involve control system modeling, step response and frequency analysis of control systems
Programme Outcomes:
  • Ability to acquire and apply fundamental principles of science and engineering(40%)
  • Capability to communicate effectively(5%)
  • Acquisition of technical competence in specialised areas of engineering discipline(5%)
  • Ability to identify, formulate and model problems and find engineering solutions based on a systems approach(10%)
  • Ability to conduct research in chosen fields of engineering(5%)
  • Understanding of the importance of sustainability and cost-effectiveness in design and development of engineering solutions(5%)
  • Understanding and commitment to professional and ethical responsibilities(5%)
  • Ability to work independently as well as with others in a team(10%)
  • Ability to be a multi-skilled engineer with good technical knowledge, management, leadership and entrepreneurship skills(5%)
  • Awareness of the social, cultural, global and environmental responsibilities as an engineer(5%)
  • Capability and enthusiasm for self-improvement through continuous professional development and life-long learning(5%)
Assessment Scheme:
  • Lab Experiments - work in group of two or three, lab report writing, oral assessment at the end of lab(10%)
  • Tutorial / Assignment - group assignment, to enhance understanding of basic concepts in lecture(15%)
  • Test Quiz - written exam(15%)
  • Final Exam - written exam(60%)
Teaching and Learning Activities: 51 hours (lectures, tutorials and laboratory experiments)
Credit Hours: 3
Pre-Requisite: EEM1026 Engineering Mathematics II and
EET1166: Electrical Technology I
References:
  • N.S. Nise, "Control Systems Engineering", Addison-Wesley, 1995. (Textbook)
  • K. Ogata, "Modern Control Theory", Prentice Hall, 1990.
  • B. Kuo, "Automatic Control Systems", John Wiley, 2003.

Subject Contents

  • Control Systems

  • Terminology: open-loop, closed-loop, feedback, servomechanism, block diagram.
     
  • Mathematical Modeling of Physical Systems (8 hours)

  • Revision of Laplace Transform. Linear systems. Concept of transfer function. Transfer function representation of systems: mechanical, electrical, thermal, hydraulic. Block diagram algebra. Signal flow graph.
     
  • Transient Response

  • Input signals: impulse, step, ramp, acceleration. First order systems: time constant. Second order systems: natural frequency, damping ratio. Transient response specifications: rise time, overshoot, etc. Higher order systems. Digital computer solution of differential equations describing control systems.
     
  • Instrumentation

  • Commonly used transducers and actuators in control systems.
     
  • System Accuracy and Stability

  • Study of system accuracy. Analysis of system stability and factors affecting the stability.
     
  • Methods in Control

  • Root locus method and its applications. Frequency response methods and applications. Design and compensation techniques.
     
  • Topics in Control Engineering

  • Introduction to non-linear systems and state space analysis. Introduction to modern and computer control systems.
     

Laboratory

1. Control System Modeling & Step Response
2. Frequency Response Analysis of Control Systems