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Wireless sensor network-based regional falling detection positioning system and method

A wireless sensor network and positioning system technology, which is applied in the field of regional fall detection and positioning systems, can solve the problems of use restrictions, high equipment and maintenance costs, and poor accuracy, and achieves reduced power consumption, low power consumption, and easy portability. Effect

Inactive Publication Date: 2012-07-18
SHANGHAI JIAO TONG UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

[0008] The purpose of the present invention is to provide a regional fall detection and positioning system and method based on a wireless sensor network to solve the problems of poor accuracy, limited use, high equipment cost and maintenance cost of the existing fall detection and positioning system

Method used

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  • Wireless sensor network-based regional falling detection positioning system and method
  • Wireless sensor network-based regional falling detection positioning system and method
  • Wireless sensor network-based regional falling detection positioning system and method

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Embodiment Construction

[0037] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0038] See figure 1, which is a framework diagram of an embodiment of the regional fall detection and positioning system based on the wireless sensor network of the present invention, which includes a fall detection and positioning module 1, three reference node modules 2 (the number of reference node modules 2 and adjustment as required ), the gateway node module 3 and the PC 15. The reference node module 2 is arranged in the detection area and is used for providing position information. The fall detection and positioning module 1 is worn on the body of the inspector, and is connected to three reference node modules 2 respectively. The fall detection is performed by using the three-dimensional acceleration sensor Z-axis signal difference, impact detection, and static inclination detection. The gateway node module 3 is connected with the fall detection and position...

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Abstract

The invention discloses a wireless sensor network-based regional falling detection positioning system, which comprises at least three reference node modules, a falling detection positioning module, a gateway node module and a personal computer (PC), wherein the reference node modules are arranged in a region, and are used for providing position information; the falling detection positioning module is worn by a detector and connected with the three reference node modules respectively, and performs falling detection by adopting the Z-axis signal differentiation of a three-dimensional acceleration sensor, impact detection and static inclination angle detection; the gateway node module is connected with the falling detection positioning module, and is used for establishing a network and transmitting information; and the PC is connected with the gateway node module, and is used for determining a falling position according to the information from the gateway node module.

Description

technical field [0001] The invention relates to a positioning system and method, in particular to a regional fall detection and positioning system and method based on a wireless sensor network. Background technique [0002] Falls are very common among the elderly and those with disabilities, seriously affecting their physical health and causing a lot of fear and stress to them psychologically. Therefore, in nursing homes, hospitals, and sanatoriums where there are many elderly people or patients with disabilities, it is necessary to develop a fall detection and positioning system, which can accurately detect and locate falls, and then notify the monitoring center for timely rescue. . [0003] The current fall detection technology mainly uses an inclination sensor to detect the angle change of the body for fall detection, or uses an acceleration sensor to detect the impact of the body on the ground when it falls. Some fall detection systems do not have a positioning functio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/02H04L29/08H04W84/18G08C17/02G08B21/04G08B25/00
Inventor 陈佳欣吉小军贾丹
Owner SHANGHAI JIAO TONG UNIV
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