NDLI: Dissimilar Redundancy Measurement of Swashplate Angle of Variable Pump Based on the Exact Linearization Model of EHCA

Content Provider	IEEE Xplore Digital Library
Author	Yan Lang Yunhua Li
Copyright Year	2008
Description	Author affiliation: Sch. of Autom. Sci. & Electr. Eng., Beijing Univ. of Aeronaut. & Astronaut., Beijing (Yan Lang; Yunhua Li)
Abstract	This paper mainly focuses on the swashplate angle dissimilar redundancy measurement of the variable displacement pump in the electrohydraulic compound integrated actuator (EHCA). Dissimilar redundancy means that the practical system can acquire more than one measurement values to describe a certain signal through hardware or software manners. Aiming to the need of software sensing, the signal needed to be rebuilt is computed from the system model. So it proposes the exact linearization model of EHCA to handle the nonlinear problem of load flow in this paper. Comparing to the linearization model which nearing the working point and the general nonlinear model, the exact linearization method which based on nonlinear transformation in EHCA modeling, is not only truly reflects system characters with simple linear control theory, but also provides a reliable model for computing swashplate angle by using other signals measurement value from sensors. This method provides a valuable reference model in the practical dissimilar redundancy applications.
Starting Page	560
Ending Page	565
File Size	3725584
Page Count	6
File Format	PDF
ISBN	9781424416752
DOI	10.1109/RAMECH.2008.4681517
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Goniometers Redundancy Displacement measurement Electrohydraulics Actuators Software measurement Hardware Load flow Control theory Reliability theory swashplate angle electrohydraulic actuator exact linearization model dissimilar redundancy H¿ control
Content Type	Text
Resource Type	Article

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