1ECE 483. Digital Control Systems Analysis and DesignInstructor: Jianghai Hu•Office: MSEE 220•Tel: 6-2395•Email: [email protected]•Office Hours: TTh 2-3pm•Textbook–Digital Control System Analysis and Design, C. L. Phillips and H. T. Nagle, 3rd edition, ISBN 0-13-309832-XLec. 1. Control Systems Overview•Reading: Chapter 1•What is control?–Use of algorithms and feedback to affect the operation of physical objects of interest (systems) to achieve some desired performancePhysical Objects:Plant, Process, SystemInput output
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2Examples of Control SystemsRobotic Arm ControlRoom Temperature ControlAir Traffic ControlContinuous-Time (Analog) Control Systems+controllerplantA simple analog feedback control system: Plant and controller are continuous-time systems•continuous-time input and output signals•modeled by linear differential equations, or transfer functions