Advanced Embedded Control of Electrohydraulic Power Steering System-Reference-Cited by-同舟云学术

Advanced Embedded Control of Electrohydraulic Power Steering System

Published:2020-06-01 Issue:2 Volume:20 Page:105-121
ISSN:1314-4081
Container-title:Cybernetics and Information Technologies
language:en
Short-container-title:

Author:

Slavov Tsonyo¹,Mitov Alexander²,Kralev Jordan¹

Affiliation:

1. Technical University of Sofia , Department Systems & Control , 1000 Sofia , Kl. Ohridski Blvd, Bulgaria

2. Technical University of Sofia , Department. Hydroaerodynamics & Hydraulic Machines , 1000 Sofia , Kl. Ohridski Blvd, Bulgaria

Abstract

Abstract The article presents a developed embedded system for control of electrohydraulic power steering based on multivariable uncertain plant model and advanced control techniques. The plant model is obtained by identification procedure via “black box” system identification and takes into account the deviations of the parameters that characterize the way that the control signal acts on the state of the model. Three types of controller are designed: Linear-Quadratic Gaussian (LQG) controller, H∞ controller and μ-controller. The main result is a performed comparative analysis of time and frequency domain properties of control systems. The results show the better performance of systems based on µ-controllers. Also the robust stability and robust performance are investigated. All three systems achieved robust stability which guarantees their workability, but only the system with µ-controller has robust performance against prescribed uncertainties. The control algorithms are implemented in specialized 32-bit microcontroller. A number of real world experiments have been executed, which confirm the quality of the electrohydraulic power steering control system.

Publisher

Walter de Gruyter GmbH

Subject

General Computer Science

Link

https://www.sciendo.com/pdf/10.2478/cait-2020-0020

Reference26 articles.

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5. 5. Angelov, I., N. Stanchev. Analysis and Synthesis of an Electrohydraulic Closed Loop Control System for Drive of an Electrogenerator Device. – Journal of Food Packaging Science, Technique and Technologies, Vol. 4, 2013, No 3, pp. 14-19. ISSN 1314-7773.

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