Personnel positioning method based on RSSI and improved centroid positioning algorithm

A centroid positioning algorithm and personnel positioning technology, which is applied in the direction of location information-based services, calculations, image data processing, etc., can solve problems such as WiFi signal errors, achieve the effect of improving accuracy and making up for the lack of positioning accuracy

Active Publication Date: 2021-04-16
SINOMA SUZHOU CONSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the error caused by the influence of WiFi signals, the technical problem mainly solved by the present invention is to provide a personnel positioning method based on RSSI and improved centroid positioning algorithm. This system improves the centroid algorithm of ordinary WiFi positioning, thereby greatly Improved positioning accuracy

Method used

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  • Personnel positioning method based on RSSI and improved centroid positioning algorithm
  • Personnel positioning method based on RSSI and improved centroid positioning algorithm
  • Personnel positioning method based on RSSI and improved centroid positioning algorithm

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Embodiment

[0036] Embodiment: a kind of personnel positioning method based on RSSI and improved centroid positioning algorithm, described positioning method comprises the following steps:

[0037] Step 1, set up a WiFi positioning environment, which includes a general server, a WiFi wireless network covering all directions and a WiFi receiving device for each employee; a WiFi wireless network needs to be provided with multiple AP nodes capable of sending and receiving signals, and the location of the AP nodes Fixed and need to be entered into the database in advance;

[0038] Step 2. Calculate the distance from the WiFi receiving device to each corresponding AP node through the RSSI ranging algorithm through the strength of the signal sent by each AP node obtained by the WiFi receiving device and the AP address;

[0039] Step 3: Calculate the position of the WiFi receiving device from multiple sets of data through the improved centroid positioning algorithm, and realize the positioning o...

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Abstract

The invention discloses a personnel positioning method based on RSSI and an improved centroid positioning algorithm, and the method comprises the following steps: 1, building a WiFi positioning environment which comprises a main server, an omnibearing coverage WiFi wireless network, and WiFi receiving equipment of each employee; enabling the WiFi wireless network to need to be provided with a plurality of AP nodes capable of transmitting and receiving signals, wherein the positions of the AP nodes are fixed and need to be input into a database in advance; 2, calculating the distance from the WiFi receiving device to each corresponding AP node through an RSSI ranging algorithm according to the strength of the signal sent by each AP node and the AP address obtained by the WiFi receiving equipment; and 3, calculating the position of the WiFi receiving equipment through an improved centroid positioning algorithm according to the multiple groups of data, and achieving positioning of a certain person. According to the invention, the centroid algorithm of common WiFi positioning is improved, so that the positioning precision is greatly improved.

Description

technical field [0001] The invention relates to the technical field of WiFi-based positioning, in particular to a method for positioning personnel at a construction site based on WiFi positioning. Background technique [0002] People's safety awareness is increasing day by day, especially in factories, where safety precautions are full of dangers. In cement factories, one must always be careful of falling objects, electric shocks, mechanical injuries, etc. Hazards such as noise and dust are often overlooked. Even though many dangerous areas have been cordoned off, there are still people who ignore them and enter the dangerous areas. Therefore, we need real-time monitoring of personnel. At the same time, with the continuous advancement of WiFi technology, the accuracy, range, and popularity of WiFi continue to increase, and the cost is getting lower and lower. Therefore, this system uses WiFi positioning technology to achieve security monitoring. [0003] Relying on WiFi p...

Claims

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Application Information

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IPC IPC(8): H04W4/02H04W64/00H04W4/021G06T17/00
CPCY02D30/70
Inventor 沈勤元臧治年郭正平夏挺
Owner SINOMA SUZHOU CONSTR
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