Dr. Tze-Yee Ho Profile

Dr. Tze-Yee Ho

at Feng Chia Univ

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Proceedings Article | 23 February 2010 Paper

The design and implementation of a windowing interface pinch force measurement system

Tze-Yee Ho, Yuanu-Joan Chen, Chin-Teng Chung, Ming-Heng Hsiao

Proceedings Volume 7555, 75551K (2010) https://doi.org/10.1117/12.841514

KEYWORDS: Sensors, Sensing systems, Resistance, Telecommunications, Data conversion, Amplifiers, Software development, Resistors, Multiplexers, Microcontrollers

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This paper presents a novel windowing interface pinch force measurement system that is basically based on an USB (Universal Series Bus) microcontroller which mainly processes the sensing data from the force sensing resistance sensors mounted on five digits. It possesses several friendly functions, such as the value and curve trace of the applied force by a hand injured patient displayed in real time on a monitoring screen, consequently, not only the physician can easily evaluate the effect of hand injury rehabilitation, but also the patients get more progressive during the hand physical therapy by interacting with the screen of pinch force measurement. In order to facilitate the pinch force measurement system and make it friendly, the detail hardware design and software programming flowchart are described in this paper. Through a series of carefully and detailed experimental tests, first of all, the relationship between the applying force and the FSR sensors are measured and verified. Later, the different type of pinch force measurements are verified by the oscilloscope and compared with the corresponding values and waveform traces in the window interface display panel to obtain the consistency. Finally, a windowing interface pinch force measurement system based on the USB microcontroller is implemented and demonstrated. The experimental results show the verification and feasibility of the designed system.

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