Volume 4, Issue 2 (Journal of Control, V.4, N.2 Summer 2010)
JoC 2010, 4(2): 36-43 |
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Sarhadi P, Ghahramani N O, Miryousefi Aval R. Nonlinear Modeling of a Hydraulic Actuator Considering Saturations in Amplitude and Rate Commands. JoC 2010; 4 (2) :36-43
URL: http://joc.kntu.ac.ir/article-1-137-en.html
URL: http://joc.kntu.ac.ir/article-1-137-en.html
Abstract: (9063 Views)
In this paper, nonlinear model of a hydraulic actuator considering amplitude and rate saturations is identified. First actuator model with a first order transfer function and nonlinear functions of saturation with unknown parameters are taken in account, then by defining two suitable destination functions and numerically optimization of them, unknown parameters are estimated. Introduced model appropriately has described the nonlinear behavior of the actuator and has higher accuracy due to conventional linear models. Comparison between nonlinear simulation results using new model and the experimental tests, show the fidelity of this model. This model has large applications in flying systems autopilot designing, also it could be used as the costly real actuators in simulation laboratory.
Type of Article: Research paper |
Subject:
Special
Received: 2014/08/8 | Accepted: 2014/08/8 | Published: 2014/08/8
Received: 2014/08/8 | Accepted: 2014/08/8 | Published: 2014/08/8
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