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Electro-hydraulic actuator system control via pole assignment controler and minimum variance controller

Salleh, Sazilah and Rahmat, Mohd. Fua'ad and Othman, Siti Marhainis (2015) Electro-hydraulic actuator system control via pole assignment controler and minimum variance controller. In: Applied Mecahnics and Materials, 1 Dec, 2015, Switzerland.

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Official URL: https://www.scientific.net/AMM.735.265

Abstract

Precise control is necessary in controlling electro-hydraulic actuator system (EHAS). However due to its nonlinearities and uncertainties, controlling hydraulic actuator system had become a challenging task that need to be solved. A proper controller can be designed when an accurate model of a system is defined. In this paper, the process to obtain an EHAS system’s model by using system identification approached is presented. System identification is chosen because this technique only requires input and output data from system in order to obtain system model. An ARX model is chosen as a model structure for EHAS. A pole assignment controller and minimum variance controller (MVC) is later been designed based on the obtained model. The simulation result shows that both controllers manage to regulate at the desired input signal. However MVC controller prove to provide a better output performance compared to pole assignment controller by minimizing the phase lagging and having a better rise time.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:electro-hydraulic actuator system, minimum variance controller
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Electrical Engineering
ID Code:63387
Deposited By: Widya Wahid
Deposited On:28 May 2017 02:56
Last Modified:17 Aug 2017 03:24

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