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Integrated electro-hydraulic system modeling and analysis

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3 Author(s)
Fu, S.J. ; Boeing Co., Seattle, WA, USA ; Liffring, M. ; Mehdi, I.S.

The technical approach for the development of the computer model of an integrated electro-hydraulic system is presented. As an example, the development of the computer model of the Space Shuttle Electric Auxiliary Power Unit (EAPU) is discussed. The integrated model consists of power source, electric power distribution and control (EPD&C), and mechanical and hydraulic loads. The modeling and analysis results, model interface issues, EPD&C interactions with the power sources, and EPD&C interaction with the electro-hydraulic load are discussed . The selected computer tool facilitates the development of "submodel" corresponding to the subsystem in the integrated system. This modeling approach and the models developed for EAPU can be generalized and adapted for the detailed modeling, simulation, and analysis of other aerospace and commercial electro-mechanical systems

Published in:

Aerospace and Electronic Systems Magazine, IEEE  (Volume:17 ,  Issue: 7 )