Inland waters maritime supervision system based on the new generation of intelligent active RFID technology
chrispeng [ad_1]
1. Program introduction
Since the State Council proposed to establish a modern inland water transport system and a modern inland water maritime supervision system in 2011, and put forward specific 10-year goals, improving inland river management infrastructure, ensuring inland river transportation, improving river transport efficiency, and ensuring smooth water network have become important for inland river supervision. Task.For this reason, it is proposed to use LDSW’s new generation of intelligent activeelectronic labelTechnology, combined with existing technologies such as the Internet of Things and cloud computing, to establish a comprehensive inland waterway maritime supervision system.
The schematic diagram is as follows:
Schematic diagram of inland waters maritime supervision system based on RFID technology
The design of the inland river monitoring system is as follows:
All ships navigating inland rivers must install one LDSW smart electronic tag. The installation location is high on the vessel (such as a mast). If conditions are restricted, the tag antenna can be installed at a high place by increasing the length of the antenna feeder. The tag is connected to the tablet computer on the ship via USB (or RS485/RS232), or a simple display screen is used to display the navigation safety information sent by the river monitor reader, or to manage related command information. When needed, the tag will also be connected with a voice broadcast device to broadcast the received river monitoring voice command code information to the ship’s personnel through the broadcast device.
Under normal circumstances, unless in the case of an emergency call for help (through the tag button), the tag will actively send an alarm message for help to the river monitor reader, the tag usually does not emit any signal. For the purpose of saving power, tags are usually in a low-power mode of periodic sleep.Only when the ship enters the river monitorReaderWithin the communication distance range, after receiving the instruction information from the reader, the information will be returned to the reader according to the requirements. The LDSW smart label adopts the working mode of ship power supply and battery backup power. In the power-off mode, the label is guaranteed to work for 1 month. In the case of low data transmission and infrequent work, battery power can also be used.
Choose a fixed position as the monitoring point for detecting passing ships at the ferry port. The selection of this point must be unobstructed, unshielded, with a wide field of view, and it is not easy to have any obstruction between the reader antenna and the ship under inspection. Try to be as close to the river as possible, or install it on the top of a building near the river, so as to easily maintain the best distance from the ship under test. Install the reader on the pole.
If the ferry has a supervisory unit, supervisory server or service management terminal system, the reader can be connected to the ferry’s local service system via network cable/optical fiber/3G/RS485/RS232. After receiving the data, the local service system undergoes corresponding processing to implement supervision or service. At the same time, it is connected to the cloud platform or big data platform through the public network (INTERNET/optical fiber) to form a larger, cross-regional, cross-platform Internet of Things processing platform.
If there is no supervision unit stationed at the ferry, and the inland river service must be supervised at that point, the reader can be installed according to the principle of fixed installation of the ferry reader, and the nearest convenient method such as network cable/optical fiber/3G can be used to directly connect the reader with Cloud platforms or big data platforms are connected to form a larger cross-regional, cross-platform IoT and cloud processing platform.
Supervisors at each ferry can each be equipped with 1 mobile card reader office equipment. The device is directly connected to the local system or cloud platform via 3G/GPRS.The processing result is stored locally or interacts with background verification to ensure safety
The law enforcement ship is equipped with a reader. The installation requirements are in principle the same as those on the ground. The reader is connected to the server (computer) on the law enforcement ship. The interface selects USB (RS485/RS232). The law enforcement ship also installs a label according to the requirements of civilian ships. Law enforcement officers are also equipped with mobile readers to facilitate multiple law enforcement. The law enforcement ship is connected to the local management system through GPRS/3G or directly to the cloud platform.
1. System Architecture
Using the new generation of LDSW technology, the communication distance between the tag and the reader can reach 1.5km. The use of high-gain antennas increases the height of the antenna, reduces the radio frequency communication rate, and can further increase the communication distance between the tag and the reader. Communication distance. Read/write/transmit operations can be realized at a long distance between the tag and the reader. There is 32Kbytes of data storage space in the label for users to use for database storage. The tag itself can be accessed with multiple security levels to ensure the security of tag data.
With the support of LDSW technology, the system has built ferry certificate database, ferry crew database, visa information database, security information database, internal and external supervision network database, and writes the above information into the corresponding LDSW label and background computer. When maritime law enforcement officers and ship owners need to handle business, query data, and remotely correct violations, they can activate corresponding tags for data exchange and display them on the terminal platform to complete the entire management process.
2. System function
Realize the functions of remote electronic visa for ships in flight, non-stop payment of taxes and fees, automatic inspection of cruises and non-boarding, automatic broadcast of safety information, automatic ship selection/defect supervision and rectification, and correction of violations of ships in navigation
2.1 Remote security information release
It can broadcast channel information, hydrological information, weather information, navigation precautions and special requirements to passing ships through the LDSW reader of the Maritime Department. When the ship’s RFID enters the communication range between the river monitor reader and the tag (1.5 kilometers upstream and downstream), the information can be automatically received and displayed on the display screen connected to the ship’s LDSW tag, or through a voice player Play it out. In this way, in severe weather conditions, high flood levels, and sudden thick fog, prompt prompts can be promptly taken and measures to prohibit and restrict navigation can be taken to ensure the safety of ferry transportation. In addition, the system database automatically checks the validity period information of the ferry certificate, and sends prompt information to the LDSW tag of each ferry through the LDSW reader of the Marine Department, and displays it on the display.
2.2 Remote application of ship visa
According to the current ferry management model, maritime law enforcement officers need to go to the scene of each ferry to handle and follow the ship every ten days, which consumes a lot of manpower and material resources. The ferry management system based on LDSW technology can remotely activate the visa signal by the ferry crew or the township ferry administrator and find the nearby LDSW reader. After the system receives the signal, the background will automatically check the visa information and form a visa report for display on the terminal platform, and the monitoring room for law enforcement After receiving the report, the personnel apply for a visa and the system automatically writes the visa information into the shipboard LDSW label for storage.
2.3 Remote tracking of security defects
Maritime law enforcement officers conduct boarding security checks on passenger ferries. After the security checks are completed, the security check defects are entered into the dynamic system, and the system automatically writes the defect information into the ship’s LDSW tags through the LDSW reader and writer in the background, and the display terminal automatically sends the information to the ship. Display the defect items, and the terminal will send back the defect through the LDSW reader after the defect is rectified. Law enforcement personnel can remotely monitor the ferry safety defect rectification situation, supervise the rectification, and send personnel to supervise and inspect on site if in doubt.
2.4 Remote monitoring of navigation behavior
In recent years, mass deaths and injuries caused by passenger ferry rushing and non-compliance with the prohibition and restriction management regulations have occurred. The Yangtze River Bureau has separately formulated the “Passenger Ferry Navigation Code of Conduct” and “Delineation of Ferry Zebra Crossing” to prevent similar accidents. ”And other institutional measures, but the implementation of all these depends on the accurate return of ship’s position information. The existing AIS system is distorted due to the low signal refresh rate and narrow channel bandwidth, and the ship’s position information monitored by the electronic cruise system is distorted. Cooperating with the existing AIS system, the ferry position information can be transmitted in a timely manner through autonomous inquiry in the background, which is convenient for the law enforcement personnel of the monitoring room to regulate the sailing behavior of the ferry crew in a timely manner and strictly abide by the relevant management regulations.
2.5 Remote report of voyage information
Ferry crew members can enter relevant voyage information through the onboard LDSW tags before sailing. The system reader will read and write relevant information regularly and automatically record it into the database for background processing. Law enforcement personnel in the monitoring room can focus on processing other information.
2.6 Publicity of assessment and prior evaluation
Passive RFID chips are posted on the last page of each ferry crew service book, which records crew certificate-related information, including ferry crew special training, scoring, assessment, and prioritization information, and automatically reads and records crew changes, appointments, and appointments through the ship’s LDSW tags. The evaluation status is read regularly by the LDSW reader in the monitoring room, so that the law enforcement personnel in the monitoring room can understand the crew status in time and use the system to display the status of the evaluation and evaluation in real time on the display device connected to the LDSW tag of each ship.
3. Integration of the system and the electronic cruise platform
The ferry management system based on LDSW technology is an open source system, which provides data ports for the electronic cruise platform. The platform can read system data and develop corresponding specific functions according to the needs of the platform. Finally, relevant information is displayed on the monitoring screen to facilitate law enforcement personnel. Management work.
[ad_2]
