Target tracking method based on binary sensor Ad Hoc network

A target tracking and sensor technology, applied to instruments, network topology, measuring devices, etc., can solve problems such as high computational complexity and non-real-time operation

Inactive Publication Date: 2010-10-20
中国人民解放军陆军军官学院
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Problems solved by technology

However, this method is a centralized solution with high computational complexity. In addition, it does not run in real time, and there is a large delay in collecting information and merging data.

Method used

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  • Target tracking method based on binary sensor Ad Hoc network
  • Target tracking method based on binary sensor Ad Hoc network
  • Target tracking method based on binary sensor Ad Hoc network

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Embodiment Construction

[0055] Certain embodiments of the present invention are described in more detail with reference to the drawings.

[0056] Attached figure 1 It is an example diagram of target tracking and positioning based on the binary sensing characteristics of sensors. The local network consists of S 1 , S 2 , S 3 It is composed of three sensor nodes at the center of the circle. Their detection areas are X, Y and Z respectively, assuming they have a uniform detection radius. When the tracked target passes through the monitoring area along the arrow curve, A 1 , A 2 , A 3 , A 4 , A 5 , A 6 They respectively represent the 6 specific positions of the target in the movement process, that is, the target enters / exits the detection range of a certain sensor node.

[0057] Here at t 1 , T 2 , T 3 At the moment, the target enters the sensor node S in turn 1 , S 2 , S 3 The detection range of the sensor is triggered to output the signal of target arrival, that is, the mark is "1"; 4 , T 5 , T 6 Moment, whe...

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Abstract

The invention discloses a target tracking method based on a binary sensor Ad Hoc network. The target tracking method adopted by the invention comprises the following steps that: firstly, a sensor network system is deployed in site for carrying out network initialization and information updating; then, a sensor network node judges whether to trigger the position calculation or not; if the triggering conditions are satisfied, the node calculates the target position in the local place, and sends back the calculation results to a gateway gathering node of the sensor network system through a shortest route; and finally, a computer in the monitoring management center is responsible for collecting target tracking results of each node for forming the moving track of the tracked target. The method is characterized in that a vibration sensor uses an Ad Hoc network mode for forming a network system, realizes the optimization of two indexes: the target tracking precision and the calculation cost, the problem of large calculation amount is avoided, and in addition, the positioning precision is high. The method is also applicable to the network system formed by other binary detection sensors deployed outdoors, and realizes the tracking on moving vehicles or personnel.

Description

Technical field [0001] The invention belongs to the field of sensor network target tracking, and relates to a method for realizing moving target tracking in a self-organizing wireless sensor network system, and in particular to the condition that the deployed sensor network has binary detection characteristics, such as using ground motion miniature acceleration Sensors to calculate the method of solving the coordinates of the moving target. Background technique [0002] The three foundations of modern information technology are sensor technology, communication technology and computer technology. They respectively complete the collection, transmission and processing of information, forming the "sensory", "nerve" and "brain" of the information system. The combination of these three technologies Promoted the process of informatization. Wireless sensor network technology is a typical embodiment of this combination, which is a multi-disciplinary dual-use strategic high technology. [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S5/14H04W84/18
Inventor 崔逊学史久根李琴刘綦周强汪涛邢立军胡成
Owner 中国人民解放军陆军军官学院
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