China's current situation is China's vast territory, rivers, reservoirs, lakes, sea resources are abundant, including water conservancy informatization, the safe and smooth flow of waterway traffic, fishery management, port safety operation, etc., all need modern monitoring facilities and means.
In the water conservancy information system, the water conservancy department can realize the collection of data through front-end camera, measurement, remote sensing, geographic information system, GPS, etc., and transmit the data to the multi-level monitoring center through optical fiber, satellite, microwave, etc., and display, store, count and play back the data in the monitoring center according to the authority, so as to establish an information system covering the entire river basin
1. Problems faced by the existing traffic command
At present, the signal station mainly relies on manual lookout, VHF telephone contact and other methods to obtain the position information of the ship on and off the water, and it is difficult for the signalman to take the initiative to grasp the accurate position of the ship, and the traffic command is passive;
The traffic command completely depends on the signalman's business level and experience to indicate the traffic signal, which is easily affected by many factors such as the signalman's business ability, mood, and psychological state, and it is difficult to improve the navigation efficiency of the control channel.
Under the condition of poor weather conditions, it is impossible to effectively monitor the passage status of the ships on and off the water, and it is easy to be deceived by the false position of the ships on the water, which affects the accuracy of signal disclosure, which may cause improper command and then cause ship traffic safety accidents;
The lack of automatic recording tools for all the work logs, command operations, intercom voices and ship traffic of the signal station makes it impossible to trace the cause of the accident in time when there is a safety accident, and it is also difficult to standardize and improve the communication command and management level of signalmen.
2. Demand analysis
The setting of the control channel is mainly due to the poor conditions of the channel in the upper reaches of the Yangtze River, the width, bending degree or flow state of the channel can not meet the requirements of the safe driving of the ship, and the ship can only pass in one direction, so the signal station is set up to implement the traffic command.
Before entering the control channel, the ship reports the ship name, position and host power to the signal station through VHF radiotelephone to understand the situation in the control channel, and the ship must obey the command of the signal station through the control channel, and can only pass through the control channel after the signal station displays the signal that allows upward or downward passage.
The surveillance solution we launched today is used for video surveillance of waterway traffic, fishery management, ports, etc., which can meet the requirements of large monitoring range, all-weather continuous work, moisture-proof, corrosion-resistant, lightning protection, etc.
All-weather video surveillance, not affected by rain, snow and haze
The front-end realizes active identification and intelligent tracking of ship targets, and motion detection;
Alarm notification for illegal intrusion in port waters, prohibition and stopping of ships, and illegal intrusion of waterway perimeter;
It can carry out mobile detection and alarm, and once someone or ship appears in the monitored waters, it can generate an alarm;
Support Onvif protocol, can be connected with third-party platforms, including real-time, video and alarm docking (the middle part of the system can be docked).
The maritime fixed installation ship PTZ/turntable provided by our company can adapt to the bad weather at sea, the field of land security monitoring, realize observation and search and surveillance and forensics, use the advantages of wide radar detection range, large perception area and full range of targets, use remote optoelectronic equipment to carry out all-weather imaging screening of key targets, and then combine with the visual comprehensive supervision platform of GIS to complete the detection, positioning, tracking and identification of the target, and strive to achieve the integration of radar, GIS and optoelectronic systems.
The integrated information system for waterway supervision consists of three parts
1) The front-end camera (acquisition part) is responsible for collecting video resources from the front-end. It mainly realizes long-distance day and night video surveillance, high-speed start and stop, and smooth and smooth tracking with radar. Real-time feedback of azimuth, pitch angle, focal length, and focus value can locate and track the target.
2) The intelligent video analysis server and storage recorder (mid-end analysis) are responsible for extracting the video resources collected by the front-end part from the video source through special algorithms, and outputting warning and alarm signals to the corresponding equipment. The storage recorder is responsible for saving the analyzed video stream and the source video stream to the local or remote end for future proof.
3) The visual integrated supervision platform (terminal output) of GIS is responsible for outputting the video source analyzed and processed by the intelligent video analysis server to the display device. Through the electronic map/nautical chart platform, the real-time situation of the space environment, monitoring objects, and management resources can be intuitively displayed, which can not only be controlled globally, but also quickly located and jumped to local key points.
The system takes the intelligent supervision application server as the main body, and provides cross-platform solutions for PC, large screen and mobile terminals.
Key features
>> can realize the fusion display of different AIS base stations, different radars, AIS and radar information;
>> can access CCTV signals and radar signals for linkage tracking, and open windows on the chart to display the picture;
>> can monitor the ship dynamics in real time, and display the target group according to different ship types;
>> can carry out real-time warning and alarm for ships, and can set different alarm rules for different types of navigation environment;
>> can provide full-process management tools for the ship's pre-confirmation declaration, automatic review of ship dynamics, and the management process of ship schedules;
>> can record the whole process of ship navigation, automatically record the important events of ship entering and leaving the port, and can carry out statistical analysis and data mining for the records.
Through the electronic map/nautical chart platform, the real-time situation of the space environment, monitoring objects, and management resources can be intuitively displayed, which can not only be controlled globally, but also quickly located and jumped to local key points.
The system takes the intelligent supervision application server as the main body, and provides cross-platform solutions for PC, large screen and mobile terminals.
The shipborne data acquisition and processing subsystem is mainly concentrated on the patrol vessel, and the collected data are: image, voice, and shipboard AIS data;
The processing of these data mainly includes: the acquisition, distribution and storage of high-definition images, the collection and storage of voice information, and the storage and transmission of shipboard AIS data. The high-definition images on board the ship are transmitted to the search and rescue center for video display through the wireless network, and the remote GIS-based visual integrated supervision platform collected by the shipboard AIS is displayed in real time on the electronic charts, and the high-definition images and voice information of the ship site are stored to facilitate future forensics.
