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A tunable mixed feedback oscillator

Che, W and Forni, F A tunable mixed feedback oscillator. In: UNSPECIFIED. (Unpublished)

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Abstract

The interplay of positive and negative feedback loops on different time scales appears to be a fundamental mechanisms for robust and tunable oscillations in both biological systems and electro-mechanical systems. We develop a detailed analysis of a basic three dimensional Lure model to show how controlled oscillations arise from the tuning of positive and negative feedback strengths. Our analysis is based on dominance theory and confirms, from a system-theoretic perspective, that the mixed feedback is a fundamental enabler of robust oscillations. Our results are not limited to three dimensional systems and extend to larger systems via passivity theory, and to uncertain systems via small gain arguments.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Uncontrolled Keywords: eess.SY eess.SY cs.SY math.OC
Subjects: UNSPECIFIED
Divisions: Div F > Control
Depositing User: Unnamed user with email sms67@cam.ac.uk
Date Deposited: 21 Nov 2020 00:20
Last Modified: 09 Sep 2021 02:05
DOI: