Design and Control of Magnetorheological Fluid-Based Multifunctional Haptic Device for Vehicle Applications

Abstract:

This paper presents control performances of a magnetorheological (MR) fluid-based multifunctional haptic device which is applicable to realization of in-vehicle comfort functions. By combining the functions into a single device, the proposed haptic device can transmit various reflection forces for each comfort function to a driver without requiring the driver’s visual attention. As a multifunctional haptic device, a MR knob is proposed in this work and devised to be capable of both rotary and push motions with a single knob. Based on the optimally determined design parameters to maximize a control torque, the proposed haptic device is manufactured. And in-vehicle comfort functions are constructed in virtual environment which makes the functions to communicate with the haptic device. Subsequently, a feed-forward controller using torque/force maps is formulated for the force tracking control. Control performances such as reflection force of the haptic device are experimentally evaluated via the torque/force map-based feed-forward controller.

• Periodical: Advanced Materials Research (Volumes 47-50)
• Pages: 141-144
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.47-50.141
• Online since: June 2008
• Authors: Young Min Han, Chan Jung Kim, Seung Bok Choi
• Keywords: Haptic Device, In-Vehicle Function, Magnetorheological Finishing (MRF), Multifunctional Control, Virtual Environment

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