A 2-DOF MR actuator joystick for virtual reality applications

被引：83

作者：

Li, W. H. ^{[1
]}

Liu, B. ^{[1
]}

Kosasih, P. B. ^{[1
]}

Zhang, X. Z. ^{[1
]}

机构：

[1] Univ Wollongong, Sch Mech Mat & Mechatron Engn, Wollongong, NSW 2522, Australia

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 2007年 / 137卷 / 02期

基金：

澳大利亚研究理事会;

关键词：

haptic device; virtual reality; MR actuator; joystick; subhysteresis; interface;

D O I：

10.1016/j.sna.2007.03.015

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The paper presents the design and development of a magnetorheological (MR) fluid-based haptic system and studies its applications in virtual reality. The developed system consists of three main parts: MR joystick, control and display hardware, and software. The MR joystick was constructed of two disc-shaped MR actuators positioned perpendicularly with a gimbal structure, which transfers the movement of the joystick handle into two actuator rotary movements. Therefore, operators can feel the resisting force generated by the two actuators. The dimensions of the actuators were optimized using finite element analysis. The steady-state performance of the actuators was measured and a subhysteresis model was proposed to effectively predict the actuator performance. The kinetics of the joystick in terms of working space and resistance was discussed. The applications of the MR joystick in virtual reality were demonstrated by using four typical 2D and 3D interface examples designed with LabVIEW software package. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：308 / 320

页数：13

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