CN-122024522-A - Safety detection and early warning method for passing ship

CN122024522ACN 122024522 ACN122024522 ACN 122024522ACN-122024522-A

Abstract

The invention discloses a passing ship safety detection early warning method and electronic equipment, which comprise the steps of obtaining ship information of a target ship when the target ship enters a waiting area, receiving sensor data of the target ship, carrying out multi-mode fusion verification on the sensor data through the ship information to obtain verification data, constructing a digital twin model according to the verification data and the ship information, carrying out risk previewing on the target ship, comparing the verification data with a dynamic safety threshold if no risk exists, allowing the target ship to enter the gate if the dynamic safety threshold is met, sending an intervention instruction to enter the gate according to the intervention instruction if the dynamic safety threshold is met, monitoring the gate chamber navigation data of the target ship in real time, generating advice according to the gate chamber navigation data, and generating a risk image of the target ship according to the gate chamber navigation data and the ship information after the target ship exits the gate. An automatic closed loop detection system is formed, and the detection precision of the ship passing gate is improved.

Inventors

Lin Shanyin
FANG YUANFANG
Lin Naiguo
SHEN GUOJIAN
CHEN KAI
ZHENG XIAOQING
LI SHUQI
WU YUDIE
CHEN CHENG
HUANG JUNZHE

Assignees

国网福建省电力有限公司
福建水口发电集团有限公司

Dates

Publication Date: 20260512
Application Date: 20251222

Claims (10)

1. The method for detecting and early warning the safety of the passing ship is characterized by comprising the following steps of: When detecting that a target ship enters a to-be-berthed area, acquiring ship information of the target ship; Receiving sensor data of the target ship, and performing multi-mode fusion verification on the sensor data through the ship information to obtain verification data; constructing a digital twin model according to the verification data and the ship information and performing risk previewing on the target ship; if the risk is not found, comparing the verification data with a dynamic safety threshold, and if the verification data meets the dynamic safety threshold, allowing the target ship to enter the gate; monitoring the gate room navigation data of the target ship in real time, and generating navigation advice according to the gate room navigation data; And after the target ship is detected to be out of the gate, generating a risk image of the target ship according to the gate room navigation data and the ship information.
2. The method of claim 1, wherein constructing a digital twin model based on the verification data and the ship information and performing risk prediction on the target ship comprises: acquiring scene information of a hydropower station lock, and constructing a scene model according to the scene information; importing the verification data and the ship information into the scene model; And introducing a water flow dynamics model and a ship kinematics model into the scene model, performing simulation previewing on a navigation path, draft change and altitude state of the target ship within a preset time in the future, and outputting a risk probability thermodynamic diagram.
3. The method for detecting and warning the safety of a passing ship according to claim 1, wherein the performing the multi-mode fusion verification on the sensor data by the ship information to obtain verification data comprises: determining detection parameters, acquiring first data corresponding to the detection parameters in the ship information, and acquiring second data corresponding to the detection parameters in the sensor data; and carrying out weighted calculation on the first data and the second data to obtain a parameter value of the detection parameter as the verification data.
4. The method for detecting and warning the safety of a passing ship according to claim 3, wherein the obtaining the parameter value of the detection parameter further comprises: And judging whether the parameter value is within a fusion deviation threshold range, if not, indicating a sensor for acquiring the second data to acquire the data again, or/and acquiring the ship information again.
5. The method for detecting and warning the safety of a passing ship according to claim 3, further comprising: And acquiring working data of each target sensor in real time, judging whether the target sensor is abnormal according to the working data, and calculating the parameter value of the detection parameter through the ship information if the target sensor is abnormal.
6. The method of claim 1, wherein comparing the verification data to a dynamic security threshold comprises: acquiring a basic threshold corresponding to the verification data; Acquiring current environment information, and acquiring an environment adjustment coefficient according to the current environment information; Obtaining a ship attribute coefficient according to the ship information; and adjusting the basic threshold according to the environment adjustment coefficient and the ship attribute coefficient to obtain the dynamic safety threshold.
7. The method of claim 1, wherein generating voyage advice based on the gate room voyage data comprises: calculating the total center of gravity offset of the ship according to the lock chamber navigation data and the ship information; Calculating the maximum allowable offset of a lock chamber according to the ship information and the scene information of the ship lock of the hydropower station; and if the total center offset of the ship is larger than the maximum allowable offset of the lock chamber, judging that the wall collision risk exists, and generating a navigation suggestion.
8. The method of claim 7, wherein calculating the center of gravity offset of the ship based on the gate room navigation data and the ship information comprises: v; *t; Wherein, the Is the gravity center offset of the ship, The total gravity center offset of the ship is k, the offset coefficient is k, m is left, m is right and m is total weight of the left cabin, the right cabin and the total cargo, v is the speed, and t is the sailing time; The calculating of the maximum allowable shift of the lock chamber according to the ship information and the scene information of the ship lock of the hydropower station comprises the following steps: Wherein, the A maximum amount of deflection is allowed for the lock chamber, For the width of the lock of the hydropower station, For the width of the target vessel, Is a lateral safety distance.
9. The method of claim 7, wherein generating voyage advice based on the gate room voyage data further comprises: Acquiring the navigational speed in the gate room navigational data; decomposing the navigational speed into a horizontal navigational speed parallel to the crossing direction and a vertical navigational speed perpendicular to the crossing direction; if the horizontal navigational speed is larger than a horizontal navigational speed threshold, judging that a lateral deviation risk exists, and generating navigational advice; And if the vertical navigational speed is greater than the longitudinal navigational speed threshold, judging that overspeed risk exists, and generating navigational advice.
10. An electronic device further comprising a memory, a processor and a computer program stored on the memory and running on the processor, wherein the processor, when executing the computer program, implements the steps of a method for detecting and pre-warning a passing ship according to any one of claims 1-9.

Description

Safety detection and early warning method for passing ship Technical Field The invention relates to the technical field of ship safety, in particular to a method for detecting and early warning the safety of a passing ship. Background In order to ensure the safety of the ship during the sailing process, the draft of the ship, the lock chamber/ship lift water depth and the height above the water surface of the ship need to be detected. In the related technology, the method mainly relies on manual observation or single parameter detection, and has the problems of low efficiency, large error, potential safety hazard and the like. Disclosure of Invention The invention aims to solve the technical problem of providing a method for detecting and early warning the safety of a passing ship and improving the detection precision. In order to solve the technical problems, the invention adopts the following technical scheme: A method for detecting and early warning the safety of a ship passing through a gate comprises the following steps: When detecting that a target ship enters a to-be-berthed area, acquiring ship information of the target ship; Receiving sensor data of the target ship, and performing multi-mode fusion verification on the sensor data through the ship information to obtain verification data; constructing a digital twin model according to the verification data and the ship information and performing risk previewing on the target ship; if the risk is not found, comparing the verification data with a dynamic safety threshold, and if the verification data meets the dynamic safety threshold, allowing the target ship to enter the gate; monitoring the gate room navigation data of the target ship in real time, and generating navigation advice according to the gate room navigation data; And after the target ship is detected to be out of the gate, generating a risk image of the target ship according to the gate room navigation data and the ship information. In order to solve the technical problems, the invention adopts another technical scheme that: The electronic equipment further comprises a memory, a processor and a computer program stored in the memory and running on the processor, wherein the steps in the method for detecting and early warning the safety of the passing ship are realized when the processor executes the computer program. The method has the advantages that when the target ship is detected to enter the to-be-berthed area, ship information of the target ship is obtained, sensor data of the target ship is received, the sensor data are subjected to multi-mode fusion verification, the reliability of the data is improved, the problem of misjudgment caused by failure of a single sensor is solved, a digital twin model is built to conduct risk previewing on the target ship, the ship navigation condition can be predicted in advance, the accident rate is effectively reduced, meanwhile, verification data are compared through a dynamic safety threshold, the problem of unbalanced safety and efficiency of the existing fixed threshold is solved, the risk image of the target ship is updated after the target ship is braked in a lock chamber, the detection effect of the target ship at the next time is improved, and the detection precision of ship lock crossing is improved by forming an automatic closed loop detection system through identification, risk previewing, detection fusion, release decision and whole-course management and control. Drawings FIG. 1 is a flow chart showing the steps of a method for detecting and warning the safety of a passing ship according to an embodiment of the present invention; FIG. 2 is a schematic diagram of ship image acquisition in a method for detecting and early warning the safety of a passing ship according to an embodiment of the present invention; fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the invention. Detailed Description In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings. Noun interpretation: AIS, automatic Identification System (automatic ship identification system); GIS, geographic Information System (geographic information system); The existing ship and raft passing lock need to follow the principle of 'first-out lock and then-in lock' and navigate at safe navigational speed, and simultaneously, two main safety conditions of 'ship draft is less than or equal to the lock chamber/the water depth in the ship lift (anti-bottoming)' and 'ship total height is less than or equal to the lock chamber/the top clearance height of the ship lift (anti-mast collision)' need to be met, so that the ship draft, the lock chamber/the water depth of the ship lift and the height above the water surface of the ship need to be accurately detected. In the related