In this paper,we present a method for localization of a rail autonomous pesticide spraying and sampling robot working in greenhouse using an absolute localization system.Design and implementation of the localization s...In this paper,we present a method for localization of a rail autonomous pesticide spraying and sampling robot working in greenhouse using an absolute localization system.Design and implementation of the localization system comes from the usage of beacon systems each of which is composed of an RF single receiver and an ultrasonic transmitter.The RF single receiver gets the synchronization signal from the mobile robot,and the ultrasonic transmitter sends ultrasonic signal,thus the distance from the beacon to the ultrasonic receiver can be measured.The position of a beacon in coordinate system of robot can be calculated according to distance information from the beacons to two ultrasonic receivers which are mounted on the robot.Based on the coordinate transformation,the position of a mobile robot can be calculated from the beacon's absolute position information in the global coordinate system.Experiments demonstrate the effectiveness of the proposed method in real world applications.展开更多
With the rapid development of road traffic,the number of high-speed rail passengers is huge,and the flow of people is dense.In epidemic situation,it is prone to intensive infection in high-speed rail carriages,which i...With the rapid development of road traffic,the number of high-speed rail passengers is huge,and the flow of people is dense.In epidemic situation,it is prone to intensive infection in high-speed rail carriages,which is not conducive to national prevention and control work.Based on face recognition technology,the intelligent service robot for high-speed rail passengers walks in accordance with the set route and detects the face mask of high-speed rail passengers.The face database of high-speed rail passengers is compared in real time.The passengers who do not wear masks are reminded in time to reduce the risk of infection.Moreover,the robot can accurately remind the passengers of leaving the station in time,and has the functions of automatic selling and student ticket checking.The experimental result is shown to promote the further development of high-speed rail services.展开更多
基金supported by the MKE(The Ministry of Knowledge Economy),Korea,under the ITRC(Information Technology Research Center)support program supervised by the NIPA(National IT Industry Promotion Agency)(NIPA-2010-C1090-1021-0010)
文摘In this paper,we present a method for localization of a rail autonomous pesticide spraying and sampling robot working in greenhouse using an absolute localization system.Design and implementation of the localization system comes from the usage of beacon systems each of which is composed of an RF single receiver and an ultrasonic transmitter.The RF single receiver gets the synchronization signal from the mobile robot,and the ultrasonic transmitter sends ultrasonic signal,thus the distance from the beacon to the ultrasonic receiver can be measured.The position of a beacon in coordinate system of robot can be calculated according to distance information from the beacons to two ultrasonic receivers which are mounted on the robot.Based on the coordinate transformation,the position of a mobile robot can be calculated from the beacon's absolute position information in the global coordinate system.Experiments demonstrate the effectiveness of the proposed method in real world applications.
基金This article is supported by the 2020 Innovation and Entrepreneurship Training Program forCollege Students in Jiangsu Province(Project name:high-speed railway passenger behavior management system,No.202011460091T)This article is supported by the National Natural Science Foundation of China Youth Science Foundation project(Project name:research on Deep Discriminant Spares Representation Learning Method for Feature Extraction,No.61806098)This article is supported by Scientific Research Project of Nanjing Xiaozhuang University(Project name:multi-robot collaborative system,No.2017NXY16)。
文摘With the rapid development of road traffic,the number of high-speed rail passengers is huge,and the flow of people is dense.In epidemic situation,it is prone to intensive infection in high-speed rail carriages,which is not conducive to national prevention and control work.Based on face recognition technology,the intelligent service robot for high-speed rail passengers walks in accordance with the set route and detects the face mask of high-speed rail passengers.The face database of high-speed rail passengers is compared in real time.The passengers who do not wear masks are reminded in time to reduce the risk of infection.Moreover,the robot can accurately remind the passengers of leaving the station in time,and has the functions of automatic selling and student ticket checking.The experimental result is shown to promote the further development of high-speed rail services.