Lect1 - 1/21/2010 1 Lecture 1: Introduction AE 353, Spring...

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Unformatted text preview: 1/21/2010 1 Lecture 1: Introduction AE 353, Spring 2010 Prof. Soon Jo Chung (sjchung@illinois.edu) Course Syllabus 1/21/2010 2 What is Feedback Control? Control is the process of making a system variable adhere to a particular value (Reference Value, Reference Trajectory). Tracking control: following a time varying reference signal Regulating control: maintain an output fixed Regulating control: maintain an output fixed regardless of the disturbances present. Why Feedback Control? Robust w.r.t. Uncertain Plant Robust to External Disturbances Stabilize Unstable System Better Performance! Chapter 1 and Chapter 4 discuss these in detail 1/21/2010 3 Block Diagrams reference: r Disturbance Plant Input Filter Controller Actuator Process + Sensor output: y Automatic Cruise Control input output Disturbance 1/21/2010 4 Block Diagrams reference: r Disturbance Plant Input Filter Controller Actuator Process + Sensor output: y Sensor Noise Automatic Cruise Control...
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Lect1 - 1/21/2010 1 Lecture 1: Introduction AE 353, Spring...

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