Wireless multi-person motion data collector and collection method

A motion data and collection method technology, applied in wireless communication, advanced technology, electrical components, etc., can solve the problems of inability to collect multi-person motion data at high speed at the same time, the number of wireless data sensing nodes is small, and the data refresh rate is low. Solve the problem of network access competition, reduce the amount of data transmission, and reduce the effect of PCB board area

Inactive Publication Date: 2013-05-01
ZHEJIANG UNIV
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Problems solved by technology

[0005] At present, the existing wireless sports data collectors mainly have problems such as the small number of supported wireless data sensing nodes, the low data refresh rate, and the inability to simultaneously collect multi-person sports data at high speed.

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  • Wireless multi-person motion data collector and collection method
  • Wireless multi-person motion data collector and collection method
  • Wireless multi-person motion data collector and collection method

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Embodiment Construction

[0044] The invention rationally designs and implements three kinds of node software and hardware, adopts a wireless sensor network based on clustering, and realizes a wireless real-time tracking system for 2-4 people's movement data within the range of 30Hz to 120Hz data rate refresh rate. The data collector and collection method have the advantages of a high data refresh rate, a large number of sensor nodes carrying data, a low network packet loss rate, and high stability.

[0045] like figure 1 Shown is the schematic diagram of the application of this collector. This wireless multiplayer sports data collector includes data sensing nodes, data relay nodes and data convergence nodes. The data sensing nodes communicate with data through a wireless network based on the IEEE802.15.4 standard. The relay node is connected, the data relay node and the data sink node are connected through the SPI interface, and the three coordinate with each other to form a cluster-based wireless sen...

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Abstract

The invention discloses a wireless multi-person motion data collector and a collection method. The wireless multi-person motion data collector comprises tens of data sensing nodes, six data relay nodes and a data convergence node, wherein the data sensing nodes are adhered to each motion key position of the human body; each human body motion data is periodically collected by a high-precision acceleration sensor, a magnetic sensor and a gyroscope; compressed sensing data is wirelessly transmitted to the data relay nodes; the data relay nodes are in charge of integrating data and transmitting the data to the data convergence node; the data convergence node is in wired connection with six data relay nodes; and the data is periodically uploaded to a computer. According to the invention, the motion data of 2-4 people can be simultaneously and wirelessly collected, and the invention has the characteristics of high precision, high data rate and low power consumption and is widely suitable for occasions, such as virtual man-machine interaction, virtual games and limb medical rehabilitation.

Description

technical field [0001] The invention relates to the technical fields of data collection and wireless sensor networks, in particular to a wireless multi-person motion data collection device. Background technique [0002] Motion data acquisition is a key part of motion capture technology. Through motion capture technology, computers can understand human body movements, and then users can send instructions and convey information to computers through posture, orientation, gestures, and expressions. In addition to human-computer interaction Beyond the field, motion capture can also be applied in motion analysis, model coding, virtual reality, animation production, intelligent monitoring system, game production and other fields. Motion capture technology applied to the human body has broad application prospects and great commercial value. [0003] Since the 1980s, several laboratories in the United States have successively carried out research on human motion capture systems, such...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W84/18
CPCY02D30/70
Inventor 金文光胡也
Owner ZHEJIANG UNIV
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