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首页> 外文会议>2014 International Symposium on Optomechatronic Technologies >Wireless Photoplethysmograph Knuckle Sensor System for Measuring Finger Motions
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Wireless Photoplethysmograph Knuckle Sensor System for Measuring Finger Motions

机译：无线光电容积描记器指关节传感器系统，用于测量手指运动

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摘要

In this paper, we present the on-going study to explore the use of photoplethysmograph (PPG), and inertial measurement unit (IMU) sensors to sense the movement of the fingers and the orientation of the hand. This paper focuses on an optical sensor system that can detect the movement of the fingers by utilizing the photoplethysmograph (PPG). The optical sensor consists of the light emitting and detecting components, which are two LEDs and a photodiode in our system. The photodiode senses the intensity of the light emitted from each LED after the light passes through the tissue. As a finger moves, the light diffused through the skin of the knuckle, therefore, finger position can be differentiated. In this paper, we discuss the sensitivity and the response time of the knuckle sensor system with respect to the finger motions.
机译：在本文中，我们提出了正在进行的研究，以探索使用光电容积描记器（PPG）和惯性测量单元（IMU）传感器来感测手指的运动和手的方向。本文着重介绍一种光学传感器系统，该系统可以利用光电容积描记器（PPG）来检测手指的运动。光学传感器由发光和检测组件组成，这是我们系统中的两个LED和一个光电二极管。在光穿过组织后，光电二极管可感测从每个LED发出的光的强度。当手指移动时，光通过指关节的皮肤扩散，因此可以区分手指的位置。在本文中，我们讨论了针对手指运动的转向节传感器系统的灵敏度和响应时间。

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