Electronic Assistant for Impaired People
For people with serious visual impairments, a system is proposed that helps to identify obstacles and call for help in an emergency situation. The system is based on a…
This paper discusses the main aspects necessary for developing a human motion tracking system. Such kind of system is widely used in the media industry for animating 3D-models. This technology also finds application in robotic engineering and medicine, however, less than in media. From the two main types of movement tracking systems - optical and non-optical – the latter was chosen because of its relatively low price and less demand for free space. MEMS-based sensors were selected for non-optical system development because of their affordable price, small size and market demand. Relevant sources analysis was conducted to define the technologies typically used for movement tracking and to find examples of similar systems. The theoretical part of the paper briefly describes the process of calibration of the inertial acceleration sensors (accelerometers) and angular velocity sensors (gyroscopes). The Kalman filter works with data filtration and processing because of its flexibility and low demands for calculating memory, which is important for on-line data processing. The general diagram of the system shows the essential parts of the wireless motion tracking system. Also, the possibility of integrating the system into popular software packages for working with 3D graphics was taken into consideration.
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Copyright (c) 2019 Максим Олександрович Ярошенко (Автор)
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