Introduction to Control Systems • Absolute Stability ...
MechatronicsControl SystemsK. Craig 1Control Systems Introduction to Control Systems Absolute Stability Criteria System Performance Specifications Modes of ControlMechatronicsControl SystemsK. Craig 2Introduction 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.
Final Control Element A/D Converter D/A Converter Digital Computer Sampling System Sampled & Quantized Measurement Digital Set Point Sampled & Quantized Control Signal Sampling Switch Digital Control of Dynamic Systems. Mechatronics Control Systems K. Craig 18 Advantages of Digital Control
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