Transcription of Introduction to Control Systems • Absolute Stability ...
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MechatronicsControl SystemsK. Craig 1 Control Systems Introduction to Control Systems Absolute Stability Criteria system Performance Specifications Modes of ControlMechatronicsControl SystemsK. Craig 2 Introduction to Control SystemsEverything Needs Controlsfor Optimum Functioning! Process or Plant Process Inputs Manipulated Inputs Disturbance Inputs Response VariablesControl Systems are an integral partof the overall system and notafter-thought add-ons!Why Controls? Command Following Disturbance RejectionPlantManipulatedInputsDisturban ceInputsResponseVariablesMechatronicsCon trol SystemsK. Craig 3 Classification of Control system Types Open-Loop Basic Input-Compensated Feedforward Disturbance-Compensated Command-Compensated Closed-Loop (Feedback) Classical Root-Locus frequency Response Modern (State-Space) Advanced , Adaptive, Nonlinear, Fuzzy LogicMechatronicsControl SystemsK.
• In a real sense, the problems of analysis and design of digital control systems are concerned with taking into account the effects of the sampling period, T, and the quantization size, q. • If both T and q are extremely small (i.e., sampling frequency 50 or more times the system bandwidth with a 16-bit word size), digital signals are nearly
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