A NOVEL SLIDING MODE CONTROL ALGORITHM FOR AN ACTIVE SUSPENSION SYSTEM CONSIDERING WITH THE HYDRAULIC ACTUATOR

Duc Ngoc Nguyen; Tuan Anh Nguyen; Ngoc Duyen Dang

doi:10.1590/1679-78256883

A NOVEL SLIDING MODE CONTROL ALGORITHM FOR AN ACTIVE SUSPENSION SYSTEM CONSIDERING WITH THE HYDRAULIC ACTUATOR

Authors

Duc Ngoc Nguyen Automotive Engineering Department, Thuyloi University, 175 Tay Son, Dong Da, Hanoi, Viet Nam https://orcid.org/0000-0002-5319-5222
Tuan Anh Nguyen Automotive Engineering Department, Thuyloi University, 175 Tay Son, Dong Da, Hanoi, Viet Nam https://orcid.org/0000-0002-6064-2262
Ngoc Duyen Dang Automotive Engineering Department, Thuyloi University, 175 Tay Son, Dong Da, Hanoi, Viet Nam https://orcid.org/0000-0003-3057-8535

DOI:

https://doi.org/10.1590/1679-78256883

Abstract

THE SUSPENSION SYSTEM HAS THE ROLE OF REGULATING AND EXTINGUISHING OSCILLATIONS IN THE VEHICLE. TO IMPROVE STABILITY AND COMFORT, THE ACTIVE SUSPENSION SYSTEM IS PROPOSED TO REPLACE THE PASSIVE SUSPENSION SYSTEM. THERE ARE MANY ALGORITHMS USED FOR ACTIVE SUSPENSION SYSTEM CONTROL, SUCH AS PID, LQR, FUZZY, ETC. AMONG THEM, THE NONLINEAR CONTROL METHOD WHICH USES THE SMC ALGORITHM GIVES A STABLE PERFORMANCE. THIS RESEARCH PROPOSES THE USE OF THE SMC ALGORITHM TO CONTROL THE OPERATION OF THE ACTIVE SUSPENSION SYSTEM EQUIPPED WITH A QUARTER DYNAMICS MODEL. THE PROCESS OF LINEARIZATION OF THE HYDRAULIC ACTUATOR IS PRESENTED IN THE PAPER. AS A RESULT OF THE SIMULATION, THE VALUES OF DISPLACEMENT AND ACCELERATION OF THE SPRUNG MASS WERE SIGNIFICANTLY REDUCED WHEN THE VEHICLE USED THE ACTIVE SUSPENSION SYSTEM CONTROLLED BY THE SMC ALGORITHM. THE SMC CONTROLLER ESTABLISHED IN THIS PAPER PROVIDES STABILITY IN MANY SITUATIONS. THEREFORE, THE VEHICLE'S SMOOTHNESS AND COMFORT HAVE BEEN SIGNIFICANTLY IMPROVED. IN THE FUTURE, INTELLIGENT ALGORITHMS CAN BE COMBINED WITH SMC ALGORITHMS TO IMPROVE THE EFFICIENCY OF THE CONTROLLER.

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Published

2021-12-02

Issue

Vol. 19 No. 1 (2022)

Section

Articles

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