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首页> 外文期刊>Journal of Biomechanics >A simple and inexpensive system for monitoring jaw movements in ambulatory humans
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A simple and inexpensive system for monitoring jaw movements in ambulatory humans

机译：一个简单而廉价的系统，用于监视门诊人员的颌骨运动

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摘要

A simple and inexpensive method for recording vertical movements of the human mandible relative to the maxilla is presented. Measurements are made from accelerometers and a Hall-effect device temporarily glued to the upper and lower anterior teeth. The accelerometer signals are integrated once to give velocity and a second time to give position. Movements of the mandible relative to the maxilla are obtained by integrating the difference between the two accelerometer signals. The (relative) velocity and position records derived in this way are linear, but subject to drift when the jaw is stationary. Steady mandibular position is obtained from the Hall-effect system, but this signal must be corrected for its inherent non-linearity. This device can record rapid movements of the mandible even when the head is unrestrained, and interferes minimally with normal jaw movements. (C) 2002 Elsevier Science Ltd. All rights reserved. [References: 17]
机译：提出了一种简单且廉价的方法来记录人类下颌骨相对于上颌骨的垂直运动。使用加速度计和临时粘贴在上下前牙上的霍尔效应设备进行测量。加速度计信号被积分一次以给出速度，而第二次积分以给出位置。下颌骨相对于上颌骨的运动是通过对两个加速度计信号之间的差异进行积分而获得的。以这种方式得出的（相对）速度和位置记录是线性的，但是当钳口静止时会发生漂移。从霍尔效应系统获得稳定的下颌位置，但必须针对其固有的非线性对该信号进行校正。即使头部不受约束，此设备也可以记录下颌骨的快速运动，并且对正常颌部运动的干扰最小。 （C）2002 Elsevier ScienceLtd。保留所有权利。 [参考：17]

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