Producing distributed vibration by a single piezoelectric ceramics for a small tactile stimulator

Masashi Konyo, Yohei Motoki, Hiroshi Yamada, Satoshi Tadokoro, Takashi Maeno

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

A small tactile display that can be attached to a mobile terminal device or a handheld game controller will enhance user experience in virtual worlds. This paper proposes an ultrasonic vibrator which has a compact mechanism to produce vibratory stimulation on human skin using a pin array driven by a single piezoelectric actuator. Amplitude modulations of the ultrasonic vibration can generate tactile sensations even if a finger is fixed on the vibrator. To generate enough stimulation to deform the skin, resonance of the piezoelectric actuator was designed. We proposed a new mechanical design method to arrange arbitrary distributions of vibration for the pin array using the principle of a dynamic vibration absorber. Detailed designs were conducted by finite element analysis. We successfully designed a smart vibrator which had a size of 17 x 17 x 3.65 mm and a weight of about 4 g. The vibrator could mount on the joystick of the PlayStation2 controller. Trial experiments of tactile presentation showed that the prototype vibrator could generate vibratory feelings in the range of 30-50Hz and 200-300 Hz. In addition, stimulation corresponding to joystick operation generated some rubbing-like sensation.

Original languageEnglish
Title of host publication2008 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS
Pages3698-3704
Number of pages7
DOIs
Publication statusPublished - 2008
Event2008 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS - Nice, France
Duration: 2008 Sep 222008 Sep 26

Other

Other2008 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS
CountryFrance
CityNice
Period08/9/2208/9/26

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ASJC Scopus subject areas

  • Artificial Intelligence
  • Computer Vision and Pattern Recognition
  • Control and Systems Engineering
  • Electrical and Electronic Engineering

Cite this

Konyo, M., Motoki, Y., Yamada, H., Tadokoro, S., & Maeno, T. (2008). Producing distributed vibration by a single piezoelectric ceramics for a small tactile stimulator. In 2008 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS (pp. 3698-3704). [4651042] https://doi.org/10.1109/IROS.2008.4651042