Automation of a Hybrid Control for Electrohydraulic Servo-Actuators with Residual Dynamics

被引：3

作者：

Sidhom, Lilia ^{[1
,2
]}

Chihi, Ines ^{[3
]}

Smaoui, Mohamed ^{[4
]}

机构：

[1] El Manar Univ, Lab Energy Applicat & Renewable Energy Efficiency, Tunis 1068, Tunisia

[2] Univ Carthage, Engn Sch Bizerte, Mech Dept, Carthage 1054, Tunisia

[3] Univ Luxembourg, Fac Sci Technol & Med, Dept Engn, Campus Kirchberg, L-1359 Luxembourg, Luxembourg

[4] INSA Lyon, AMPERE Lab UMR 5005, F-69621 Lyon, France

来源：

APPLIED SCIENCES-BASEL | 2022年 / 12卷 / 06期

关键词：

hybrid control position; force; residual dynamics; trajectory generator; electrohydraulic system; simulation results; MULTIPLE LYAPUNOV FUNCTIONS; FEEDBACK LINEARIZATION; STABILITY; DESIGN; POSITION; FORCE; SYSTEM;

D O I：

10.3390/app12062856

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this paper, a hybrid position/force controller for electrohydraulic servo-actuators is designed in the presence of residual dynamics. The purpose is to apply a cycle of movement that is mostly used in industrial fatigue test applications, which consists in imposing a specified force on a flexible load after a movement to some position. This cycle can be repeated several times with different magnitudes and frequencies of force and position trajectories. Some damages could occur at switching times, especially in the presence of some residual dynamics. To avoid any damages at switching times, a force trajectory generator is designed. Then, our contribution defines a method to automatically generate the switching signal in order to commute between two controllers with any abrupt change of state. To show the effectiveness of the proposed approach, several simulation tests are carried out on the electrohydraulic system.

引用

页数：19

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