Indoor dynamic tracing location method

A positioning method and dynamic tracking technology, which is applied to measuring devices, instruments, surveying and navigation, etc., can solve the problems of difficult indoor dynamic tracking positioning and poor positioning accuracy, and achieve convenient positioning, accurate positioning results and wide application range Effect

Active Publication Date: 2018-07-27
杨艳华
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Problems solved by technology

[0003] In order to overcome the above-mentioned deficiencies, the purpose of the present invention is to provide an indoor dynamic tracking and positioning method in the field, so that it can solve the problem that the existing similar methods use fixed reference nodes for positioning, the positioning accuracy is not good, and it is difficult to apply to indoor dynamic tracking and positioning. technical problem

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Embodiment Construction

[0027] Now in conjunction with the accompanying drawings, the structure and use of the present invention will be further described.

[0028] 1. Specific overview: The active target enters the sensing range of the positioning network composed of three mobile reference nodes, and the three mobile reference nodes communicate the position information of the active target with each other, and finally accurately determine the position of the active target by means of ranging and positioning Coordinate position, position measurement schematic diagram as figure 1 shown.

[0029] 2. Parameter definition: a) The perception radii of the moving reference node A, the moving reference node B, and the moving reference node C are respectively R A , R B , R C , the moving reference node A is moving at v a , the moving reference node B is moving at v b , the moving reference node C moves at a speed of v c , and the moving speed of the active target D is v d , and v a , v b , v c are g...

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Abstract

The invention relates to an indoor dynamic tracing location method. The method is designed for solving the technical problems that an existing similar method is used for locating with fixed referencenodes, poor in locating precision and relatively difficult to apply to indoor dynamic tracing location. The location method comprises a movable reference node part and a to-be-located moving target node part, wherein a node device is provided with a communication module, a speed sensor module and a gyroscope. The location method is characterized in that a moving target enters a sensing range of alocation network consisting of three movable reference nodes, the three movable reference nodes intercommunicate position information of the moving target, and coordinate positions of the moving target are accurately determined finally in a range-based location mode with a circumferential location method and an RSSI ranging based overall intersection point centroid solving location algorithm. Thelocation method adopts a technology of source location for the moving target based on the three movable reference nodes and technological means for tracing the moving target by a wireless sensor network formed by the three movable reference nodes.

Description

technical field [0001] The invention relates to an internal positioning method of wireless technology, which is an indoor dynamic tracking and positioning method. Background technique [0002] Nowadays, positioning systems are becoming more and more accurate, such as: WeChat three-point positioning, Baidu map positioning, etc. These positioning systems are all based on GPS technology positioning methods, and track and locate ground activity targets through satellite navigation and positioning systems. Using this system, users can realize all-weather, continuous, real-time three-dimensional navigation positioning and speed measurement around the world, and have high-precision time transfer and precise positioning. GPS positioning is widely used in military, aerospace, transportation and other fields. Taking transportation as an example, the above positioning system greatly facilitates people's daily life. However, positioning using GPS technology also has its drawbacks. For...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/20
CPCG01C21/005G01C21/206
Inventor 杨艳华杨海锋
Owner 杨艳华
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