Robust controller design of the integrated direct drive volume control architecture for steering systems

Wei Shen; Yu Pang; Jihai Jiang

doi:10.1016/j.isatra.2017.05.008

Robust controller design of the integrated direct drive volume control architecture for steering systems

ISA Trans. 2018 Jul:78:116-129. doi: 10.1016/j.isatra.2017.05.008. Epub 2017 Jun 9.

Authors

Wei Shen¹, Yu Pang², Jihai Jiang³

Affiliations

¹ Department of Mechatronics Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China; State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, China. Electronic address: shenwei@usst.edu.cn.
² Department of Mechatronics Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.
³ School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150080, China.

PMID: 28602454
DOI: 10.1016/j.isatra.2017.05.008

Abstract

Recently, much effort has been directed toward the large throttling loss and low efficiency of the valve control system widely applied in steering system of ships. This paper presents an Integrated Direct-Drive Volume Control (IDDVC) electro-hydraulic servo system with the advantages of high efficiency and energy conservation. Firstly, the simulation model of IDDVC is improved by software AMESim, including the nonlinear interaction of the motor-pump and the oil supply ignored by traditional transfer function model. Then, by establishing discrete state equations, a controller based on robust sliding control strategy has been designed to enhance the practicality and real-time performance. Finally, the accuracy of the model and the effectiveness of the controller are proved through the experiments which are conducted after constructing the IDDVC prototype.

Keywords: AMESim; Hydraulic actuator; IDDVC; Sliding mode controller.