| As the main navigation aid in the navigation channel and route,the navigation mark is an important guarantee for the safety of navigation.With the development of the construction of the Yangtze River economic belt,the construction of the Yangtze River golden waterway,the large number of navigation marks,the increasing number of navigation marks,the reliability and timeliness of the navigation aids are getting higher and higher.Yangtze River remote control system can improve the reliability of navigation operation,improve the timeliness of Aton,reduce the overall cost of Aton,improve channel management level,provide the basis for the construction of application platform of the Yangtze digital fairway.Based on the analysis of the Yangtze River Waterway Construction in an important position of the Yangtze River economic belt,the importance of remote control system of channel management,from theory and practice,analyzes the existing problems of domestic remote monitoring and control system,according to the needs of the Yangtze River waterway development puts forward the research target with high precision,low power consumption,remote maintenance etc.the function of the remote control system,and four major difficulties for the system of the proposed the technical route.In the aspect of the system design firstly put forward the overall framework of the system,and the design of the various parts of the program in the overall framework of the system,the remote control system terminal,wireless communication network,DGPS communication protocol and the difference of four aspects of the detailed design.In the detailed design of remote control system in the terminal to the terminal main control chip design,power design,reliability design and remote control and alarm function design are proposed,and the design scheme of the system to complete the circuit terminal.In the design of wireless communication network,according to the analysis of the current network technology and the environmental conditions,the detailed design scheme of wireless communication network is proposed.In the DGPS differential design,the GPRS network is used to transmit the differential data,and the positioning accuracy is improved by the design scheme of the difference between the front and back.In the design of communication protocol,the structure of communication protocol is discussed in detail,and the rules of communication protocol are proposed to ensure the stability of data transmission.The final design results of this system has been applied to the Nanjing Yangtze River waterway area digital waterway project,the system achieved active alarm,high reliability,low power consumption,high precision,remote maintenance,provides an ideal method for the Yangtze River waterway maintenance personnel on the remote telemetry buoy,provide strong support for the the Yangtze River Waterway maintenance. |
