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VGU RESEARCH REPOSITORY


Please use this identifier to cite or link to this item: https://epub.vgu.edu.vn/handle/dlibvgu/201
Title: Design and simulation of a new bidirectional actuator for haptic systems featuring MR fluid
Authors: Nguyen Quoc Hung 
Diep Bao Tri
Vo Van Cuong
Seung-Bok Choi
Keywords: Haptic technology;Magnetism;Finite element methods
Issue Date: 2017
Source: https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10164/1/Design-and-simulation-of-a-new-bidirectional-actuator-for-haptic/10.1117/12.2259752.short?SSO=1
Conference name: Proceedings of Spie -Active and Passive Smart Structures and Integrated Systems 2017 
Abstract: 
In this research, a new configuration of bidirectional actuator featuring MR fluid (BMRA) is proposed for haptic application. The proposed BMRA consists of a driving disc, a driving housing and a driven disc. The driving disc is placed inside the driving housing and rotates counter to each other by a servo DC motor and a bevel gear system. The driven shaft is also placed inside the housing and next to the driving disc. The gap between the two disc and the gap between the discs and the housing are filled with MR fluid. On the driven disc, two mutual magnetic coils are placed. By applying currents to the two coils mutually, the torque at the output shaft, which is fixed to the driven disc, can be controlled with positive, zero or negative value. This make the actuator be suitable for haptic application. After a review of MR fluid and its application, configuration of the proposed BMRA is presented. The modeling of the actuator is then derived based on Bingham rheological model of MRF and magnetic finite element analysis (FEA). The optimal design of the actuator is then performed to minimize the mass of the BMRA. From the optimal design result, performance characteristics of the actuator is simulated and detailed design of a prototype actuator is conducted
Duration: 25-29/3/2017
Conference venue: Oregon, USA
URI(1): http://epub.vgu.edu.vn/handle/dlibvgu/201
Appears in Collections:Conference papers

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