Design And Implementation Of Video Acquisition For Multi Mobile Robot Based On WIFI Positioning

With the continuous development of science and technology,household robots are widely used in people's daily life.At the same time,mobile embedded video capture device,because of its convenient,becomes the mainstream of video capture.In recent years,with the rapid development of mobile Internet,positioning technology based on WIFI,because of the advantages of deployment of low cost,high positioning accuracy and easy to extend,becomes a hot research topic in the indoor positioning technology.Based on the above three factors,in this thesis a video acquisition system for multi mobile robots based on WIFI positioning is designed,which can be mainly used for indoor video capture and security protection.The system achieves the complete video acquisition of the area by a number of mobile robots positioning and location-related video joint display.Based on these application requirements,in this thesis a video acquisition system for multi mobile robots based on WIFI positioning is able to capture the image information of the surrounding area using multiple mobile video robots,and the image data is transmitted to the robot control terminal by WIFI wireless communication.Robot control terminal is able to display the real-time video data of mobile video robots,and control mobile video robots by button.In addition,the system also includes a positioning system.The popular WIFI positioning technology is used in the system,the WIFI positioning technology uses location fingerprint matching algorithm based on signal strength.By this way can we achieve the complete video acquisition of a special area.At the same time,this thesis also designs an improved scheme for the shortcomings of the WIFI location algorithm,and uses it in the positioning subsystem of the system to improve the positioning accuracy.The system is divided into three modules according to the design goals: mobile video robot,robot console,WIFI positioning system.Mobile robot uses Arduino as the control center,WebCam camera as the acquisition equipment,TP-Link WR703 N router chip as the communication module;the robot console uses C# WinForm as interface development;WIFI positioning system uses Java as development language,MySQL as a fingerprint database.These three modules communicate with each other through wireless nodes,which are combined together to form system which is designed in this thesis.At the end of the thesis,the software and hardware of the system are tested,and the functions of remote control,video capture and WIFI positioning are verified.The test show that the design objectives and requirements are achieved.