NDLI: Sliding mode control of a direct-injection monopropellant-powered actuator

Content Provider	IEEE Xplore Digital Library
Author	Fite, K.B. Mitchell, J.E. Barth, E.J. Goldfarb, M.
Copyright Year	2004
Description	Author affiliation: Dept. of Mechanical Eng., Vanderbilt Univ., Nashville, TN, USA (Fite, K.B.; Mitchell, J.E.; Barth, E.J.; Goldfarb, M.)
Abstract	This paper describes the modeling and control of a direct-injection monopropellant-powered actuator. The actuation system utilizes the catalytic decomposition of a monopropellant, the products of which are directly injected into opposing chambers of a pneumatic cylinder in order to obtain a controllable force source. The system incorporates a pair of proportional liquid fuel valves and a three-way rotary spool valve to control the pressurization and depressurization of each chamber of the actuator. A model of the catalytic decomposition of the monopropellant and the compressible gas dynamics is derived in order to control the output force of the hot gas actuator. Using a Lyapunov function, a model-based sliding mode controller is developed for the multi-input single-output nonlinear system. Experimental results of the actuator force tracking demonstrate the validity of the model of the monopropellant-based actuator and the performance of the nonlinear controller.
Sponsorship	American Automatic Control Council IFAC
Starting Page	4461
Ending Page	4466
File Size	361405
Page Count	6
File Format	PDF
ISBN	0780383354
ISSN	07431619
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-06-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	American Automatic Control Council(AACC)
Subject Keyword	Sliding mode control Force control Control systems Valves Fuels Pressure control Proportional control Pneumatic actuators Nonlinear dynamical systems Lyapunov method
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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