PARAMETER UNCERTAINTY ANALYSIS FOR ELECTRO-HYDRAULIC SERVO-VALVE ACTUATOR OF ACTIVE SUSPENSION SYSTEM ON TRUCKS

Đỗ Trọng Tú; Vũ Văn Tấn; Sename Olivier

doi:10.34238/tnu-jst.8792

PARAMETER UNCERTAINTY ANALYSIS FOR ELECTRO-HYDRAULIC SERVO-VALVE ACTUATOR OF ACTIVE SUSPENSION SYSTEM ON TRUCKS

About this article

Received: 21/09/23 Revised: 03/11/23 Published: 03/11/23

Authors

1. Do Trong Tu, Electric Power University,Vietnam
2. Vu Van Tan , University of Transport and Communications, Vietnam
3. Sename Olivier, Univ. Grenoble Alpes, CNRS, Grenoble INP, GIPSA-Lab, France

Abstract

Active suspension systems have become commonplace in the world of trucking manufacture, with electro-hydraulic actuators emerging as a favored choice due to their remarkable capacity for high-force generation and rapid response times. This paper introduces a design schematic for an electro-hydraulic actuator, employing solenoid valves to enhance the active suspension system in trucks. Precise mathematical equations are developed, utilizing current intensity as an input parameter and actuator force as the resultant output, facilitating a thorough characterization of the actuator's behavior. The study delves into the emulation and evaluation of the actuator's performance while taking into account the inherent uncertainty stemming from structural parameters within the system. According to the study's findings, the uncertainty of structural parameters have the changable from 80% up to 120%, significantly impacts the characteristics and operating abilities of the actuators of the active suspension system in automobiles. It is also a premise for researching and controlling, as well as the improvement of heavy-duty vehicle active suspension systems.

Keywords

Electro-hydraulic actuator; Solenoid valve; Parameters uncertainties; Active suspension system; Truck

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DOI: https://doi.org/10.34238/tnu-jst.8792

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