ABSTRACT
Vibrotactile devices suffer from poor energy efficiency, arising from a mismatch between the device and the impedance of the human skin. This results in over-sized actuators and excessive power consumption, and prevents development of more sophisticated, miniaturized and low-power mobile tactile devices. In this paper, we present the experimental evaluation of a vibrotactile system designed to match the impedance of the skin to the impedance of the actuator. This system is able to quadruple the motion of the skin without increasing power consumption, and produce sensations equivalent to a standard system while consuming 1/2 of the power. By greatly reducing the size and power constraints of vibrotactile actuators, this technology offers a means to realize more sophisticated, smaller haptic devices for the user interface community.
- Zelek, J. S., Bromley, S., Asmar, D., & Thompson, D. (2003). A haptic glove as a tactile-vision sensory substitution for wayfinding. Journal of Visual Impairment and Blindness, 97(10), 621--632.Google ScholarCross Ref
- Jiang, I., Ishikawa, Y., Lindsay, J., Hannaford, B. Design and Optimization of Support Structures for Tactile Feedback, IEEE World Haptics Conference, Daejeon, Korea, 2013, In Press.Google ScholarCross Ref
- Lindsay, J., Adams, R., and Hannaford, B., Improving Tactile Feedback with an Impedance Adapter, IEEE World Haptics Conference, Daejeon, Korea, 2013.Google ScholarCross Ref
- Precision MicroDrives, www.precisionmicrodrives.comGoogle Scholar
- Moore, T. J., & Mundie, J. R. (1972). Measurement of specific mechanical impedance of the skin: Effects of static force, site of stimulation, area of probe, and presence of a surround. The Journal of the Acoustical Society of America, 52, 577.Google ScholarCross Ref
- Lamoré, P. J. J., & Keemink, C. J. (1988). Evidence for different types of mechanoreceptors from measurements of the psychophysical threshold for vibrations under different stimulation conditions. JASA, 83, 2339.Google ScholarCross Ref
- Verrillo, R. T., Fraioli, A. J., & Smith, R. L. (1969). Sensation magnitude of vibrotactile stimuli. Perception & Psychophysics, 6(6), 366--372.Google ScholarCross Ref
- Gescheider, G. A., Bolanowski, S. J., Hardick, K.R., (2001). The frequency selectivity of information-processing channels in the tactile sensory system. Somatosensory & Motor Research, 18(3), 191--20Google ScholarCross Ref
Index Terms
- Good vibrations: an evaluation of vibrotactile impedance matching for low power wearable applications
Recommendations
Tactile Information Transmission by 2D Stationary Phantom Sensations
CHI '18: Proceedings of the 2018 CHI Conference on Human Factors in Computing SystemsA phantom sensation refers to an illusory tactile sensation perceived midway between multiple distant stimulations on the skin. Phantom sensations have been used intensively in tactile interfaces owing to their simplicity and effectiveness. Despite that,...
Force Jacket: Pneumatically-Actuated Jacket for Embodied Haptic Experiences
CHI '18: Proceedings of the 2018 CHI Conference on Human Factors in Computing SystemsImmersive experiences seek to engage the full sensory system in ways that words, pictures, or touch alone cannot. With respect to the haptic system, however, physical feedback has been provided primarily with handheld tactile experiences or vibration-...
Haptic Systems in User Interfaces: State of the Art Survey
ACM SE '19: Proceedings of the 2019 ACM Southeast ConferenceOver the past decade, the advancements in force-feedback (haptic) systems, facilitated the inclusion of the tactile communication channel in a variety of user interfaces. Tactile sensors are distributed over the entire human body, hence a diversity of ...
Comments