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Efficient Active Set Algorithms for Solving Constrained Least Squares Problems in Aircraft Control Allocation
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
2002 (English)In: Proceedings of the 41st IEEE Conference on Decision and Control, 2002, 1295-1300 vol.2 p.Conference paper (Refereed)
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.

Place, publisher, year, edition, pages
2002. 1295-1300 vol.2 p.
Keyword [en]
Control allocation, Quadratic programming, Constrained control, Aircraft control
National Category
Engineering and Technology Control Engineering
URN: urn:nbn:se:liu:diva-90268DOI: 10.1109/CDC.2002.1184694ISBN: 0-7803-7516-5OAI: diva2:614246
41st IEEE Conference on Decision and Control, Las Vegas, NV, USA, December, 2002
Available from: 2013-04-03 Created: 2013-03-24 Last updated: 2013-04-03

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Härkegård, Ola
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