W1 Chapter 1 - Introduction - Control System Engineering...

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5/9/2016 1 Control System Engineering - BETR 3393 Chapter 1 : Introduction of Control Design Mr. Mohd Hanif Che Hasan [email protected] Learning Outcome At the end of this lecture, you should be able to: Briefly know how control system engineering involves in daily life application. Recap fundamental control theory Explain control system design step by step procedure 2
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5/9/2016 2 Contents 1.1 INTRODUCTION 1.2 REVIEW ON CONTROL FUNDAMENTAL 1.3 EXAMPLES 1.4 DESIGN METHOD What do these two have in Common? o Highly nonlinear, complicated dynamics! o Both are capable of transporting goods and people over long distances BUT o One is controlled, and the other is not. o Control is “the hidden technology that you meet every day” o It heavily relies on the notion of “feedback”
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5/9/2016 3 CONTROL consists of Sensing , Computation , Actuation 5 Sense Vehicle Speed Compute Control “Law” Actuate Gas Pedal In Feedback “Loop” Example of Control System Block Diagram in Vehicle Auto Cruise Control Goals in Vehicle Speed Control Stability : system maintains and hold steadily on desired speed operating point. Performance: system have fast responds and rapidly changes once desired speed is set. Robustness: system tolerates various disturbances dynamics (mass, drag, etc)
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5/9/2016 4 1.2 REVIEW ON CONTROL FUNDAMENTAL 1. Various cases of poles location for second order/approx. system 2. Four (4) cases of damping ratio and relation to poles position for second order/approx. system 3.
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