Research And Design Of Multi-dimensional Positioning System Based On Wireless Sensing Technology

With the continuous advancement of technology and the development of mobile internet,Internet of Things,and smart homes,the proportion of wireless positioning technology in scientific research is increasing.In particular,with the continuous evolution of positioning technology,the demand for indoor positioning technology in different environments has become increasingly urgent,including the positioning of personnel in schools,indoor navigation in shopping malls,and personnel positioning in underground mines.However,due to the complex indoor environment and large interference,the positioning accuracy is seriously deviated.At the same time,the high cost of deploying positioning systems and the inconvenience of maintenance have become challenges in indoor positioning research.In order to solve these problems,high-precision,low-cost,and easy-to-maintain indoor positioning has become a hot research topic.Based on the research project "Key Technologies for the Construction of Safe Campus Based on Multi-Sensor Data Fusion" supported by the Science and Technology Department of Jilin Province,this paper proposes a multi-dimensional positioning system based on Zigbee technology,which combines inertial sensors and Kalman filter algorithm with spatial dimension positioning and environmental dimension optimization design.The implementation principle and network topology of Zigbee positioning technology are studied,and a positioning system combining Zigbee and inertial sensors is designed.The necessary circuit design and program writing for the related positioning hardware are completed.Meanwhile,a corresponding positioning website is designed using Python to visualize the positioning data,and the research design of this paper is analyzed and tested in the experimental area.This system combines inertial data and positioning data to achieve data fusion in both spatial and environmental dimensions,and enhances positioning accuracy through multidimensional design.The system is built under low-cost and easy-to-maintain deployment conditions.After systematic testing and analysis,the multi-dimensional positioning system designed in this paper is compared with traditional positioning systems,and the original positioning accuracy of about 2.19 meters is improved to about 0.56 meters,solving the problem of traditional Zigbee positioning being unable to accurately locate due to environmental multipath effects and enhancing the stability of the positioning system.This demonstrates the certain application value and research value of this design.