Apr 24, 2024  
2015-2016 Undergraduate Academic Catalog 
    
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2015-2016 Undergraduate Academic Catalog [ARCHIVED CATALOG]

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ET 4710 - Feedback Control Systems and Circuits

3 lecture hours 2 lab hours 4 credits
Course Description
The student is introduced to the analysis, design and applications of feedback control systems in this course. The topics include the concepts of open- and closed-loop systems, transient and steady-state responses, system speed and error performance, techniques used to determine closed-loop system stability, and design of basic controllers. Modeling and simulation of control systems will be covered using commercially available simulation languages. Typical applications of feedback control systems and circuits will be investigated in the laboratory sessions. (prereq: ET 3001 )
Course Learning Outcomes
Upon successful completion of this course, the student will be able to:
  • Design mathematical models and analogs of engineering components.
  • Derive block diagrams from transfer functions and, conversely, reduce block diagrams to obtain transfer functions.
  • Analyze step input transient response of first and second order systems.
  • Design computer models for systems and perform simulation of the systems using Matlab and Simulink.
  • Determine the frequency response of systems using Bode diagrams.
  • Determine the steady-state error for open-and closed-loop systems.
  • Derive transfer functins, and plot associated Bode and/or root-locus graphs.
  • Determine the stability of a system using Routh-Hurwitz criteria, root-locus and Bode plots.
  • Understand PID controllers.
Prerequisites by Topic
  • Basic college calculus including differentiation and integration.
  • Differential equations.
  • Complex algebra.
  • Laplace transform.
  • Operational amplifiers.
  • A high-level general purpose computer language.
Course Topics
  • Concept of feedback control systems. (1 class)
  • Transfer functions. (1 class)
  • Block diagrams and signal flow graphs. (2 classes)
  • System time domain response: First and second order systems . (4 classes)
  • Modeling and simulation. (2 classes)
  • Absolute stability of control systems - Routh-Hurwitz criterion. (3 classes)
  • Steady-state error analysis. (2 classes)
  • Root-locus technique. (3 classes)
  • Bode plot – gain and phase margin. (2 classes)
  • Nyquist criterion. (1 class)
  • Lead and lag controllers: Analysis and design. (1 class)
  • Exams and homework days. (9 classes)
Laboratory Topics
  • Introduction to control systems. Demonstration of a control system. (1 session)
  • Introduction to computer modeling and simulation and simulation software: Matlab, Simulink, and Matlab Control Tool Box. (2 sessions)
  • Modeling and simulation of a simple control system. (1 session)
  • Modeling and simulation of a velocity control system. (1 session)
  • Modeling and simulation of a positional control system. (1 session)
  • Positive aspects of control systems. (1 session)
  • First order control systems. (1 session)
  • Second order control systems. (1 session)
Coordinator
Glenn Wrate


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