An algebraic approach for human posture estimation in the sagittal plane using accelerometer noisy signal

W. Perruquetti, V. Bonnet, M. Mboup, R. Ushirobira, P. Fraisse
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引用次数: 13

Abstract

Our aim is to develop an algebraic approach to estimate human posture in the sagittal plane using Inertial Measurement Unit (IMU) providing accelerations and angular velocities. For this purpose, we address the issue of the estimation of the amplitude, frequency and phase of a biased and noisy sum of three sinusoidal waveform signals on a moving time horizon. The length of the time window being small, the estimation must be done within a fraction of the signal's period. The problem is solved via an algebraic method. The efficiency of our approach is illustrated by computer simulations.
基于加速度计噪声信号的矢状面人体姿态估计的代数方法
我们的目标是开发一种代数方法,利用惯性测量单元(IMU)提供加速度和角速度来估计人体在矢状面上的姿势。为此,我们解决了在移动时间范围内对三个正弦波形信号的偏置和噪声求和的幅度,频率和相位的估计问题。由于时间窗的长度很小,估计必须在信号周期的一小部分内完成。这个问题是用代数方法解决的。计算机模拟表明了我们方法的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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