A wireless sensor network data transmission method for facility environment control

Abstract

The invention relates to a facilitate environmental control-oriented wireless sensor network data transmission method. The method comprises the following steps of processing the facilitate environmental data sequence acquired by a sensor by a sliding recursive method to obtain a sequence variance, detecting abnormal values in the facilitate environmental data sequence by the Letts' criterion; adaptively determining an error threshold allowable for sensor data of a facilitate environmental control system based on a parabolic equation; establishing a first-order linear regression model at a node side of the sensor and a server side and simultaneously fusing adaptive weighted algorithm in the server side to meet the condition of redundant deployment of sensor nodes to obtain fusion results of the sensor. According to the method, the data sending times of sensor nodes can be reduced to the maximum extent at a specified accuracy requirement, thereby effectively reducing the energy waste and data collisions.

Description

technical field [0001] The invention belongs to the fields of information agriculture and the Internet of Things, in particular to a wireless sensor network data transmission method oriented to facility environment control. Background technique [0002] Traditional facility agricultural automation control systems mostly use wired data transmission methods. With the popularization of wireless communication technologies such as ZigBee, facility monitoring systems based on wireless sensor networks at home and abroad are gradually increasing. Compared with traditional wired data methods, wireless sensor networks have many advantages and bring a lot of convenience to facility agricultural data transmission, but energy waste and data conflicts caused by wireless transmission of large amounts of data have become a new problem that follows. In response to this problem, the researchers started from the MAC layer protocol and the data fusion algorithm of the application layer to find ...

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of energy waste and data conflict caused by the wireless transmission of a large amount of data in the facility wireless sensor network system, combining the characteristics of the facility environment data curve being segmented linear and the characteristics of the facility environment control strategy, to propose a facility environment oriented Controlled wireless sensor network data transmission method, which can minimize the number of data transmissions of sensor nodes under the specified accuracy requirements, thereby effectively reducing energy waste and data conflicts

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