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Planarization algorithm based boundary region algorithm

A boundary area, planarization technology, applied in electrical components, wireless communication, network topology, etc., can solve the problems of boundary and boundary area determination, and achieve the effect of less property loss and ensuring personnel evacuation

Inactive Publication Date: 2015-12-23
GUANGDONG UNIV OF PETROCHEMICAL TECH
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Problems solved by technology

[0003] The common problems at present include: (1) the deployment of sensors for monitoring and monitoring areas; (2) the timely reporting and timeliness of gas leakage; (3) the boundary of gas leakage and the determination of boundary areas

Method used

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  • Planarization algorithm based boundary region algorithm

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with the accompanying drawings.

[0037] Such as figure 1 As shown, a boundary region algorithm based on planarization algorithm includes the following steps:

[0038] Step 1: According to the GG planarization algorithm, the sensor nodes of the wireless sensor network are deployed in a two-dimensional coordinate plane, and each sensor node removes some communication links within the hop range according to its own position and the information of neighboring sensor nodes to generate a Partial networks without cross-links;

[0039] Step 2: Determine inner boundary nodes, outer boundary nodes, and bridge edges;

[0040] Step 3: Start with any bridge edge as the connected edge, and select the direction for the search according to the left-hand rule or the right-hand rule to complete the Face search;

[0041] Step 4: Determine the inner boundary and outer boundary according to the Face surface, and determ...

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Abstract

The invention discloses a planarization algorithm based boundary region algorithm, which comprises the steps of carrying out GG planarization on sensor nodes, determining a Face by using a left-hand rule or a right-hand rule, and determining sensor nodes on an inner boundary and an outer boundary, the inner boundary and the outer boundary according to Face search; determining a communication direction according to the distance to a Sink node, determining a Sender node, sending all collected information to the Sink node, and calculating a boundary region and the region area by the Sink node. According to the planarization algorithm based boundary region algorithm provided by the invention, monitoring and supervision are carried out on environmental regions by using wireless sensors, leakage conditions are reported timely, and the toxic gas boundary, the located boundary range region and the region area are positioned accurately, thereby guaranteeing personnel evacuation of the leakage region, and minimizing the property loss.

Description

technical field [0001] The invention relates to a boundary area algorithm based on a planarization algorithm, and belongs to the technical field of industrial sensor networks. Background technique [0002] In recent years, with the development and maturity of sensor manufacturing technology and wireless network communication technology, the use of miniaturized, highly integrated and multifunctional sensor nodes has become a reality. In petroleum, chemical, natural gas and other industries, various types of flammable, explosive, corrosive, toxic and polluting gases are produced, stored and used. Once a leakage accident occurs, it is difficult to control it within a certain range. The environment and equipment cause huge damage, and also pose a serious threat to human safety and health. Therefore, when dealing with such accidents, it is particularly important to promptly warn of gas leakage and accurately locate the leakage area, and then determine the treatment plan and evacu...

Claims

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Application Information

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IPC IPC(8): H04W16/18H04W84/18
CPCH04W16/18H04W84/18
Inventor 舒磊李浩波张明翔周长兵曾俊林
Owner GUANGDONG UNIV OF PETROCHEMICAL TECH
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