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Feedback Fundamentals Karl Johan Åström Automatic Control LTH Lund University January 13, 2020 Feedback Fundamentals 1. Introduction 2. Controllers with Two Degrees of Freedom 3. The Gangs of Four and Seven 4. The Sensitivity Functions 5. Fundamental Limitations 6. Summary Theme: A closer look at feedback The Magic of Feedback Good properties: ◮ Attenuate effects of disturbances - process control,
https://www.control.lth.se/fileadmin/control/staff/KJ/200113FeedbackFundamentals.pdf - 2025-06-05