Chap1 printed.pdf - BEKC 3533 | INTRODUCTION TO CONTROL...

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2/25/16 Dr. Chong SH 1 BEKC 3533 | INTRODUCTION TO CONTROL SYSTEM CHAPTER 1 Introduction to Control System 1 DR CHONG 1516-2 Dr. Chong Shin Horng Control, Instrumentation & Automation Faculty of Electrical Engineering CONTENT History of control systems Control systembasic Control systemconfiguration The control problem DR CHONG 1516-2 2 1.1 1.2 1.3 1.4 1.1 History of Control System DR CHONG 1516-2 3 History of Control System Early • Simple, primitive 20 th Century • Extensive use of sensors Contemporary • Widespread applications DR CHONG 1516-2 4 300 BC 1900’s 2000’s § Water clock (300 BC) § Steam pressure & temperature control systems (1680s) § Speed control (1745) § Stability theories § Routh-Hurwitz (1877) § Lyapunov (1892) § Automatic ship steering (1922) § PID controller (1920s) § Feedback control system technique (1930s) § Root locus, Bode, Nyquist (1948) § Navigation § Entertainment § Smart homes § Military § Space applications § Chemical process
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2/25/16 Dr. Chong SH 2 1.2 Control System Basic DR CHONG 1516-2 5 Control System Basics General Control System Block Diagram DR CHONG 1516-2 6 Controller Plant Input signal Subsystem 1 Subsystem 2 Process Output signal Control System Control System Basics § C ontrol S ystems – an interconnection of components forming a system configuration that will provide a desired system response. § Provides an output or response for a given input or stimulus DR CHONG 1516-2 7 Control System Basics DR CHONG 1516-2 8 § Primary aim: § To regulate certain variables about constant values even when there are disturbances § To force some parameter to vary in a specific manner. § Control methods: § ............. .... control § ..................... control
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2/25/16 Dr. Chong SH 3 9 Control System Basics DR CHONG 1516-2 Control System Basics For ......................... • e.g. in moving the radar antenna position to certain angle, small input power is amplified to produce high output torque 1 For .........................
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  • Spring '19
  • Dr.Saifulza
  • DR CHONG 1516-2

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