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Information Collection and Applied Research of Motion Based on Acceleration Sensor

Author: HaoLiGuo
Tutor: LinYuChi
School: Tianjin University
Course: Measuring Technology and Instruments
Keywords: Motion biomechanics Body motion model Collection of motion information Acceleration sensor Motion Measurement
CLC: TP274.2
Type: Master's thesis
Year: 2010
Downloads: 618
Quote: 1
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Abstract


Human has always paid broad attention to body motion relating close to human health. With the development of motion biomechanics and anthropometry, people have increasingly deeply studied human body motion. The paper focuses on the measurement of body motion parameters and analysis method of body motion based on the theory of motion biomechanics. The contents involve the study on the relationship between parameters of motion biomechanics, the analysis of the law of body motion by measuring motion biomechanics parameters to provide theoretical guidance for recognition of human gesture, physical training, and so on.Human structure and characteristics of body motion are analyzed and summarized, on the basis of which rod model and coordinate system of human body are built to provide convenience for the study of body motion. The method of measuring body motion with acceleration sensor is presented with the analysis of common measurement method of body motion parameters. The measurement of extremity is performed by acceleration sensor; other motion parameters are solved by the mathematical relationship between acceleration parameter and velocity, displacement, etc.. Thereby, motion gesture and action trace of human body can be analyzed.A system which consists of signal collection unit and data processing unit is developed to complete collection and data analysis from the motion information at most 5 sensor network nodes using ARM7 and ADXL330. The experiments of motion measurement are done on the basis of performing the testing of system performance, and the system is applied in computer game for the reliability testing. The results show that collecting and analyzing motion information of human body by the system is a feasible method.The analysis of simple body motion using acceleration parameter is a convenient and feasible method. But more information is required to be analyzed synthetically in the complex motion. Therefore, it is necessary for the study of body motion to synthesize a variety of methods and obtain as much information as possible, which makes the analysis of body motion more scientific and rational.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system > Data collection and processing systems
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