EECE 574 - Adaptive Control - Overview - Courses - University of ...

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Background Process Variations Feedback and Process Variations The closed-loop transfer function is NOT sensitive to process variations at those frequencies where the loop transfer function L = PC is large Generally L >> 1 at low frequencies, and L > 1 can only be achieved in a limited bandwidth, particularly when unstable zeros are present Guy Dumont (UBC) EECE 574 Overview 10 / 49
Background Process Variations Judging the Severity of Process Variations Difficult to judge impact of process variations on closed-loop behaviour from open-loop time responses Significant changes in open-loop responses may have little effect on closed-loop response Small changes in open-loop responses may have significant effect on closed-loop response Effect depends on the desired closed-loop bandwidth Better to use frequency responses Guy Dumont (UBC) EECE 574 Overview 11 / 49
Page 1 and 2: EECE 574 - Adaptive Control Overvie
Page 3 and 4: Related Books Introduction Books N.
Page 5 and 6: Background Definitions What Is Adap
Page 7 and 8: Background Definitions A Narrow Def
Page 9: Background Process Variations Feedb
Page 13 and 14: Background Example 1 Effect of Proc
Page 23 and 24: Background Example 2 Mechanisms for
Page 25 and 26: Gain Scheduling Setpoint Adaptive S
Page 27 and 28: Adaptive Schemes Development of Ada
Page 29 and 30: Adaptive Schemes Model Reference Ad
Page 31 and 32: Adaptive Schemes Self-Tuning Contro
Page 37 and 38: Dual Control A Rigorous Approach to
Page 39 and 40: Dual Control Certainty equivalence
Page 41 and 42: Dual Control Certainty equivalence
Page 43 and 44: Cautious Controller Dual Control Ca
Page 45 and 46: Dual Controller Dual Control Dual C
Page 47 and 48: Dual Controller 2 1.5 1 0.5 0 −0.
Page 49: Implications forAdaptive Control Im

EECE 574 - Adaptive Control - Overview - Courses - University of ...

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