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An indoor personnel positioning system and method based on an infrared human body sensor array

A human sensor and personnel positioning technology, applied in the field of wireless sensor networks and indoor personnel positioning, can solve the problem of high energy consumption, achieve the effects of good robustness, low node energy consumption, and long use time

Inactive Publication Date: 2019-01-08
NORTHEASTERN UNIV LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The positioning system needs to wear nodes on the body of the person, and the energy consumption of this method is relatively high

Method used

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  • An indoor personnel positioning system and method based on an infrared human body sensor array
  • An indoor personnel positioning system and method based on an infrared human body sensor array
  • An indoor personnel positioning system and method based on an infrared human body sensor array

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Experimental program
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Embodiment Construction

[0064] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0065] An indoor personnel positioning system based on an infrared human body sensor array, including: several detection nodes, a base station node and a host computer;

[0066] The detection node is used to detect indoor occupants through the infrared human body induction sensor array. When an indoor occupant is detected, a signal is sent to the base station node. At the same time, the detection node sends information to the neighbor detection nodes within the communication radius to wake up the neighbor nodes for cooperative detection.

[0067] Such as figure 1 As shown, the probe nodes include:

[0068] The first power supply module is used to provide power for the first controller, the first wireless module and the infrared human body sensor array;

[0069] The infrared human body sensor array is used for infrared detectio...

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Abstract

The invention provides an indoor personnel positioning system and method based on an infrared human body sensor array. The system includes several detection nodes, a base station node and a host computer; the detection nodes are deployed at different locations indoors, and the base station node communicates with the host computer through a serial port connection line. The detection node is connected to the base station node wirelessly. Each infrared human body sensor array of the present invention includes 4 infrared human body sensors. Each infrared human body sensor is responsible for detecting a 90-degree range, thereby achieving 360-degree all-round detection. Each detection node transmits the detection results to the base station through the ZigBee network. The node calculates the location of the person. There is no need for the person being positioned to wear any tags or signal sources, and it is completely passive positioning. The positioning accuracy is high. Since the detection radius of the infrared human body sensor is about 6 meters, using information from more than 3 detection nodes can achieve a positioning accuracy of about 1 meter. This positioning accuracy can fully meet the needs of indoor personnel positioning.

Description

technical field [0001] The invention belongs to the technical field of wireless sensor networks and indoor personnel positioning, and in particular relates to an indoor personnel positioning system and method based on an infrared human body sensor array. Background technique [0002] Currently, the most widely used positioning system is the GPS global positioning system, which can provide meter-level positioning services worldwide. The positioning accuracy drops sharply or the situation cannot be positioned. In recent years, with the increasing number of large buildings, indoor personnel positioning technology has become a research hotspot. Due to the characteristics of flexible deployment, low power consumption and self-organizing network of wireless sensor networks, wireless sensor networks have broad application prospects in indoor positioning. [0003] At present, most indoor personnel positioning systems are active positioning, that is, requiring personnel to wear ele...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W64/00H04W52/02H04W84/18
CPCH04W52/0209H04W64/006H04W84/18Y02D30/70
Inventor 王岩程龙
Owner NORTHEASTERN UNIV LIAONING
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