- Title
- Integral quadratic constraint approach vs. multiplier approach
- Creator
- Fu, Minyue; Dasgupta, Soura; Soh, Yeng Chai
- Relation
- Automatica Vol. 41, no. 2, p. 281-287
- Publisher
- Elsevier
- Resource Type
- journal article
- Date
- 2005
- Description
- Integral quadratic constraints (IQC) arise in many optimal and/or robust control problems. The IQC approach can be viewed as a generalization of the classical multiplier approach in the absolute stability theory. In this paper, we study the relationship between the two approaches for robust stability analysis. Using a slightly modified multiplier approach, we show that the existence of an IQC is equivalent to the existence of a multiplier in most known cases. It is hoped that this result provides some new insight into both approaches and makes them more useful in robust control applications.
- Subject
- integral quadratic constrains; multipliers; robust stability; nonlinear; systems; stability
- Identifier
- http://hdl.handle.net/1959.13/25111
- Identifier
- uon:201
- Identifier
- ISSN:0005-1098
- Rights
- *
- Language
- eng
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