KIEE International Transaction on Electrical Machinery and Energy Conversion Systems

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

Design of Braille cell Setting Actuators for the Application in the Braille Mouse Concept

  • 발행 : 2004.03.01
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

Refreshable Braille displays have already been developed in the past, but they remain quite bulky and expensive. Small displays contain only a single or a few Braille cells, with pins pushing into the fingertips. However, they are not as successful as larger displays because the skin is more sensitive to lateral movement than to orthogonal pressure. This, paper presents the design of linear electromagnetic actuators, which allows a considerable reduction in size and cost for such refreshable Braille displays. Different actuator concepts are compared. A new actuator is proposed and optimised by means of finite element simulations, which are verified with measurements on a prototype.

키워드

참고문헌

  1. http://www.papenmeier.de/reha/products/eI80e.htm. Reha Braille Displays, last visited on 18 April 2003
  2. httpt//www.alva-bv.nl/, Alva Braille displays, last visited on 26 March 2003
  3. M.M. Taylor, SJ. Lederman, Tactile roughness of grooved surfaces: A model and the effect of friction, Perception & Psychophysics, 1975, 17(1), pp. 23-26
  4. SJ. Lederman, The perception of surface roughness by active and passive touch, Bulletin of the Psychonomic Society, 1981, 18(5), pp. 253-255
  5. J. Roberts, O. Slattery, D. Kardos, Rotating-Wheel Braille Display for Continuous Refreshable Braille, Society for Information Display '00 conference in Long Beach, California, May 2000, Vol. XXXI, pp. 1130-1133
  6. T. Nobels, F. Allerneersch, K. Hameyer, Design of a high power density electromagnetic actuator for a portable Braille display, EPE-PEMC, Dubrovnik, 2002
  7. G.B. Legge, C. Madison, J.S. Mansfield, Measuring Braille Reading Speed with the MNREAD test, Visual impairment research, Minnesota, 2000
  8. http://www.americanpiezo.com/products_services/stripe_ actuators/performance.html, piezo-actuators, last visited on 18 February 2003.
  9. G. Belforte, M.Sorli, L.Gastaldi, Properties and mechanical performances of PZT actuators, ACTUATOR 1998, Bremen
  10. H. W. Johnson, M. Graham, High-speed digital design: a handbook of black magic, 1993, Prentice-Hall Englewood Cliffs (N.J.), pp214-220
  11. http://www.eurocircuits.com/Du/boardspec.cfm. Printed Circuit Boards, last visited on 27 March 2003