Bibliographic Details
| Title: |
Robust position control synthesis of an electro-hydraulic servo system |
| Authors: |
Milić, Vladimir vladimir.milic@fsb.hr, Šitum, Željko zeljko.situm@fsb.hr, Essert, Mario mario.essert@fsb.hr |
| Source: |
ISA Transactions. Oct2010, Vol. 49 Issue 4, p535-542. 8p. |
| Subjects: |
Robust control, Electrohydraulic servomechanisms, Matrix inequalities, Actuators, Feedback control systems, Linear systems, Mathematical models |
| Abstract: |
Abstract: This paper focuses on the use of the techniques based on linear matrix inequalities for robust position control synthesis of an electro-hydraulic servo system. A nonlinear dynamic model of the hydraulic cylindrical actuator with a proportional valve has been developed. For the purpose of the feedback control an uncertain linearized mathematical model of the system has been derived. The structured (parametric) perturbations in the electro-hydraulic coefficients are taken into account. controller extended with an integral action is proposed. To estimate internal states of the electro-hydraulic servo system an observer is designed. Developed control algorithms have been tested experimentally in the laboratory model of an electro-hydraulic servo system. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
