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MODELLING AND CONTROL OF AN ELECTRO‐HYDROSTATIC ACTUATOR
Author(s) -
Pachter M.,
Houpis C. H.,
Kang K.
Publication year - 1997
Publication title -
international journal of robust and nonlinear control
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.361
H-Index - 106
eISSN - 1099-1239
pISSN - 1049-8923
DOI - 10.1002/(sici)1099-1239(199706)7:6<591::aid-rnc293>3.0.co;2-m
Subject(s) - actuator , control theory (sociology) , noise (video) , aerospace , engineering , control engineering , controller (irrigation) , maintainability , plant , survivability , control system , computer science , control (management) , aerospace engineering , agronomy , electrical engineering , reliability engineering , image (mathematics) , biology , artificial intelligence
The control of a novel aerospace actuator is considered, viz., an electro‐hydrostatic actuator. It offers a high degree of maintainability and combat survivability of the aircraft's flight control system because all the actuator's elements are collocated. The quantitative feedback theory robust control method is used to design a controller for this novel actuator. Parameter variation, sensor noise and flight condition variability are explicitly considered in the design process. The resulting design is not only robust with respect to actuator parameter variations and flight condition and insensitive to sensor noise, but, in addition, the controlled actuator's phase lag is significantly reduced, thus improving the performance of the overall flight control system. © 1997 by John Wiley & Sons, Ltd. This paper was prepared under the auspices of the U.S. Government and it is therefore not subject to copyright in the U.S.