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Proceedings Paper

Static and transient modeling of fast moving ball actuator as a display device
Author(s): Jongmo Lee; Ho Won Yoon; MunPyo Hong; Chul Gyu Jhun; Byung Seong Bae; Seungoh Han
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Paper Abstract

FMBA(Fast Moving Ball Actuator), developed as novel electronic-paper display, has already proven its operability and functionality. However, optimization issues related with low operating voltage, high refresh rate, fine pixel and higher display resolution, etc. are still remaining to be improved for a successful commercialization. In order to optimize such issues effectively, static and transient model were developed and verified by comparing the calculated results to the measured. The static model is based on the force balancing equation between the driving and the holding forces while the transient model is developed from Newton’s 2nd law by adding the inertia as well as the resistive damping forces caused by the surroundings. With the simplified static model, driving voltage of 30.71 V was obtained, which is reasonably matched to the measured voltage of 40 V. Based on the transient model, also, the transient response of the device can be estimated within reasonable margin. Considering the absence of reliable key parameters of surface roughness, static and dynamic frictional coefficient, and refractive indices, the developed static and transient models account well the experimental results and thus they are expected to contribute further improvements in FMBA.

Paper Details

Date Published: 27 April 2016
PDF: 4 pages
Proc. SPIE 9889, Optical Modelling and Design IV, 988928 (27 April 2016); doi: 10.1117/12.2231087
Show Author Affiliations
Jongmo Lee, Hoseo Univ. (Korea, Republic of)
Ho Won Yoon, Korea Univ. (Korea, Republic of)
MunPyo Hong, Korea Univ. (Korea, Republic of)
Chul Gyu Jhun, Hoseo Univ. (Korea, Republic of)
Byung Seong Bae, Hoseo Univ. (Korea, Republic of)
Seungoh Han, Hoseo Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 9889:
Optical Modelling and Design IV
Frank Wyrowski; John T. Sheridan; Youri Meuret, Editor(s)

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