EET 309 CHAPTER1 - Introductionto ControlSystem 1 CHAPTER1...

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1 Introduction to  Introduction to  Control System Control System CHAPTER 1 CHAPTER 1
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2 Basic terminologies. Open-loop and closed-loop. Block diagrams. Control structure. Advantages and Disadvantages of closed-loop . . Chapter Objective.
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3 Definition  of a control system; The control system consists of  subsystems  and  process   (or  plant) assembled for the purpose of controlling the output with  desired performance, given a specified input. 1.1 Introduction.
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4 Cont’d… Advantages  of control systems; Can  move  large  objects  with  precision;  for  example  (i) elevator, (ii) radar antenna to pickup strong radio signal and (iii) robot to operate in the dangerous environment. Example: (i) Elevator When pressed fourth-floor from first floor, the elevator rises to the fourth floor with a speed and floor-leveling accuracy design for passenger comfort.
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5 (a) Sub-system and System subsystem      subsystem subsystem Subsystem is  part  of the system that is grouped for a certain  function  System is a combination of physical and non-physical  components that are configured to serve certain tasks to maintain  the output (b) Plant subsystem input output Plant is a subsystem where an output signal is derived from the  input signal blower room thermostat plant 1.2 Basic Terminologies.
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6 (c) Input and Output Input = Stimulus Output = Response Cont’d…
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7 Cont’d… (d) System Response Ability of system to achieve desired result is measured in 
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This note was uploaded on 03/04/2011 for the course EET 309 taught by Professor Mariahahmad during the Spring '11 term at University of Malaya.

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EET 309 CHAPTER1 - Introductionto ControlSystem 1 CHAPTER1...

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