EAP application to artificial tactile feel display of virtual reality

M. Konyo, S. Tadokoro, T. Takamori, K. Oguro

Research output: Contribution to journalConference articlepeer-review

5 Citations (Scopus)


A tactile feel display device for virtual reality was developed using Nation-platinum composite type EAP actuator (known as IPMC or ICPF). Conventional tactile displays can hardly express tactile human feeling of the fine touch of the surface of a cloth, because their mechanisms cannot excite minute distributed stimuli on human skin. We propose a new ciliary device using ICPF actuators. The ICPF has sufficient softness utilizing the passive material propert, that complex control is not required. The low drive voltage is safe enough for the touch of fingers. Its simple operation mechanism allows miniaturization for practical equipments. The developed device was designed with a number of cilia consisting of ICPF actuators, where a cilium is 2 mm wide and 5 mm long. An ICPF membrane is cut into pectination, and only the cilium part is plated and has a function of an actuator. An inclined configuration of the cilia produces variety of stimuli to human skin controlling frequencies. We tried to display both pressure and vibration at the same time using modulated low and high frequencies. The result clearly shows that over 80% of the subjects sensed some special tactile feeling. A comparison with real material samples shows that this display can present a subtle distinction of tactile feeling of cloth, especially like a towel and denim.

Original languageEnglish
Pages (from-to)389-400
Number of pages12
JournalProceedings of SPIE - The International Society for Optical Engineering
Publication statusPublished - 2001 Jan 1
Externally publishedYes
EventElectroactive Polymer, Actuators and Devices-Smart Structures and Materials 2001- - Newport Beach, CA, United States
Duration: 2001 Mar 52001 Mar 8


  • Cloth touch
  • EAP actuator
  • ICPF
  • IPMC
  • Tactile feel display
  • Virtual reality

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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