Title :
Integrated electro-hydraulic system modeling and analysis
Author :
Fu, S. Johnny ; Liffring, Mark ; Mehdi, Ishaque S.
Author_Institution :
Boeing Co., Seattle, WA, USA
fDate :
7/1/2002 12:00:00 AM
Abstract :
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
Keywords :
aerospace computing; aerospace simulation; dynamic response; electrohydraulic control equipment; equivalent circuits; space vehicle power plants; space vehicles; Space Shuttle electric auxiliary power unit; batteries; brushless DC motor; computer model; dynamic response; electric power distribution; end-to-end system model; equivalent circuits; hydraulic pump; integrated electrohydraulic system; integrated model; model interface issues; power source; Analytical models; Batteries; Electric variables; Electronic packaging thermal management; Equivalent circuits; Load modeling; Power system modeling; Space shuttles; Valves; Voltage;
Journal_Title :
Aerospace and Electronic Systems Magazine, IEEE
DOI :
10.1109/MAES.2002.1017788
