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Hybrid pressure control concept for a speed variable AC motor pump in aerospace application
Citation Link: https://doi.org/10.15480/882.225
Publikationstyp
Conference Paper
Date Issued
2002
Sprache
English
Author(s)
Institut
TORE-DOI
Citation
2nd PhD Symposium 2002 , Modena, Italy, 2002
This paper describes a new pressure control strategy for AC motor driven pumps in aircraft application. Both, swash plate position and pump speed are used for controlling system pressure in a hybrid approach. The requirements for the pressure control loop and the design methods for the hybrid control circuits with a load observer are introduced. The new control concept has been implemented into an experimental set-up. The validation and evaluation of simulation results on the test rig are discussed in detail. Finally, the new hybrid approach is compared to the conventional approach concerning efficiency, noise level and wear for typical aircraft flight missions.
Subjects
Aerospace fluid power systems
AC motor pump
variable speed drives
brushless DC motor
pressure control loop
load observer
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