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Efficient Active Set Algorithms for Solving Constrained Least Squares Problems in Aircraft Control Allocation
Linköpings universitet, Institutionen för systemteknik, Reglerteknik. Linköpings universitet, Tekniska högskolan.
2002 (engelsk)Rapport (Annet vitenskapelig)
Abstract [en]

In aircraft control, control allocation can be used to distribute the total control effort among the actuators when the number of actuators exceeds the number of controlled variables. The control allocation problem is often posed as a constrained least squares problem to incorporate the actuator position and rate limits. Most proposed methods for real-time implementation, like there distributed pseudoinverse method, only deliver approximate, and sometimes unreliable solutions. In this paper we investigate the use of classical active set methods for control allocation. We develop active set algorithms that always find the optimal control distribution, and show by simulation that the timing requirements are in the same range as for two previously proposed solvers.

sted, utgiver, år, opplag, sider
Linköping: Linköping University Electronic Press, 2002. , s. 23
Serie
LiTH-ISY-R, ISSN 1400-3902 ; 2426
Emneord [en]
Aircraft control, Control allocation, Quadratic programming, Quadratic programming
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-55681ISRN: LiTH-ISY-R-2426OAI: oai:DiVA.org:liu-55681DiVA, id: diva2:316389
Tilgjengelig fra: 2010-04-30 Laget: 2010-04-30 Sist oppdatert: 2014-08-21bibliografisk kontrollert

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