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63results about How to "Improve navigation safety" patented technology
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Ship remote real-time early warning system based on cloud computing
ActiveCN119400000AImprove navigation safetyImprove operational efficiencyVessel signalling devicesMarine craft traffic controlData setData aggregator
The invention provides a ship remote real-time early warning system based on cloud computing, and relates to the technical field of data processing, and the system comprises a data collection module which is used for collecting ship operation data, environment state data and external interaction data; the data preprocessing module is used for generating standard processing data; the data grouping module is used for dividing a priority data group and a common data group; the data transmission module is used for transmitting the data to the cloud analysis module; the cloud analysis module is used for carrying out multi-source data aggregation processing on the priority data set and the common data set, carrying out real-time evaluation on the ship operation state, identifying abnormal behaviors and predicting emergencies, and generating corresponding final early warning instructions including an avoidance operation instruction and an air route adjustment suggestion; the early warning feedback module is used for sending the early warning instruction to the ship terminal; the local response module is used for executing instant triggering operation on the instruction classification data; according to the invention, autonomy and accuracy of remote real-time early warning of the ship are improved.
Owner:FUJIAN WHALE AIR NETWORK TECH CO LTD
Unmanned ship navigation path intelligent optimization system and method based on ocean data
InactiveCN119204378AHigh data reliabilityImprove adaptabilityNavigational calculation instrumentsForecastingFeature extractionSimulation
The invention discloses an unmanned ship navigation path intelligent optimization system and method based on ocean data, and particularly relates to the technical field of unmanned ship navigation. The accuracy of monitoring data of the sensor in a marine environment is continuously evaluated through a series of steps of preliminary calibration, data acquisition, filtering processing, abnormal marking, feature extraction and the like of the unmanned ship sensor, and real-time evaluation and time period division of the quality of the monitoring data are realized through comprehensive analysis of abnormal features of sound velocity and conductivity. The abnormal degree is predicted in the abnormal monitoring time period, and for the condition of high abnormal degree, a safety avoidance strategy is automatically set through a path planning system, and the route and the navigational speed of the unmanned ship are dynamically optimized, so that a risk area is avoided, the navigation precision and safety are improved, the reliability of sensor data is remarkably improved, and the safety of the unmanned ship is improved. The influence of data deviation on path planning is reduced, and the task success rate and the navigation safety of the unmanned ship in a complex marine environment are enhanced.
Owner:QINGDAO AUTOMATIC RES INST
Intelligent channel management method and system based on digital twinning
ActiveCN119476830Aimprove intelligenceImprove navigation safetyMeasurement devicesMarine craft traffic controlEvaluation resultEngineering
The invention discloses an intelligent channel management method and system based on digital twinning. The method comprises the following steps: acquiring GIS data and historical monitoring data of a target channel, and constructing an intelligent channel digital twin model; importing channel monitoring data in a preset time period, performing dynamic simulation, and determining and updating a data updating strategy of the model in real time; monitoring the ship in the target channel in real time through the model, and identifying the behavior state of the ship; in combination with ship behaviors and meteorological and hydrological data, the navigation risk is assessed, and a risk assessment result is generated; and optimizing a data updating strategy according to an evaluation result. According to the method, the intelligence of channel management and the safety of ship navigation are improved.
Owner:DONGHAI NAVIGATION SUPPORT CENT OF THE MINISTRY OF TRANSPORT +1
Ship navigation risk assessment and decision-making method and system, medium and product
PendingCN119516833Areduce consumptionRealize intelligent evaluationForecastingMarine craft traffic controlMarine engineeringAtmospheric sciences
The invention discloses a ship navigation risk assessment and decision-making method and system, a medium and a product. The method comprises the following steps: acquiring ship navigation parameters, and meteorological data and ocean data within a future preset duration; determining a meteorological influence value and an ocean influence value according to the meteorological data and the ocean data; inputting the sailing speed value, the load tonnage value, the meteorological influence value and the ocean influence value into a preset sailing risk assessment function to obtain a sailing risk value in a future preset duration; when the navigation risk value exceeds a preset risk threshold value, searching a reachable port; determining harbor information of reachable harbors according to a preset harbor database; determining an optimal reachable port based on the wind sheltering condition, the berth state and the geographic position; calculating an optimal wind-sheltering path between the ship and the optimal reachable port and the sailing duration and sailing fuel consumption of the optimal wind-sheltering path; and visually displaying the optimal wind sheltering path, the sailing duration and the sailing fuel consumption. By implementing the method, the ship navigation decision making efficiency is improved.
Owner:HUARUI LOGISTICS CO LTD
Unmanned ship with gravity center self-adaptive adjusting device
InactiveCN119239858AExpand the wet surface areaincrease the areaUnmanned surface vesselsVessel safetyElectrical batteryClassical mechanics
The invention relates to the technical field of unmanned ships, and discloses an unmanned ship with a gravity center self-adaptive adjusting device, which comprises a supporting floating body, a gravity center self-adaptive adjusting device, a gravity center self-adaptive adjusting device and a gravity center self-adaptive adjusting device, the driving mechanism is used for providing necessary power for the catamaran; the cross beam mechanism is used for connecting and supporting the floating body and a main body of the ship. According to the unmanned ship with the gravity center self-adaptive adjusting device, the gravity center shifting mechanism is arranged, when the gravity center self-adaptive adjusting device detects that the operation environment of the unmanned ship is gentle, the bottom platform can descend through the telescopic cylinder, the bottom platform drives the vertical connecting plate and the middle floating body to move downwards, and therefore the area, making contact with water, of the middle floating body is increased; therefore, the wet surface area of the ship can be enlarged, frictional resistance can be fully reduced during high-speed operation, and when the gravity center self-adaptive adjusting device detects that the operation environment of the unmanned ship is severe, the battery can be driven to regulate and control the gravity center, the speed can be properly reduced, and operation safety is kept.
Owner:SHANDONG UNIV OF SCI & TECH
Fusion technology-based ship control motion real-time forecasting method and system
ActiveCN119416665AImprove real-time performanceImprove forecast accuracyGeometric CADDesign optimisation/simulationMarine engineeringNumerical range
The invention belongs to the technical field of ship control motion prediction, and discloses a ship control motion real-time prediction method and system based on a fusion technology. According to the method, standardization processing is carried out on ship motion data and marine environment data, the marine environment data and the ship motion data are enabled to be input into a constructed ship motion prediction model based on a Transform architecture in the same numerical range, a sliding time window technology is used, online gradient updating is carried out, and the method adapts to new data features; a physical loss item is introduced, and an improved ship motion prediction model based on a Transform architecture is obtained; and carrying out optimization verification to finish nonlinear ship control motion prediction. According to the method, the defects of a traditional model in the aspect of nonlinear processing can be overcome, the reliability of a data driving model can be improved through physical constraints, and powerful technical support is provided for operation control and safe navigation of intelligent ships in the future.
Owner:QINGDAO INNOVATION & DEV CENT OF HARBIN ENG UNIV +1
Method for optimizing and forecasting ocean route of ship
ActiveCN119270856Alittle changeReduced rangeVehicle position/course/altitude controlPosition/direction controlClassical mechanicsPropeller
The invention provides a ship ocean route optimization forecasting method, which comprises the following steps of S1, establishing an initial route according to a voyage number task, a steering point and a route type; s2, establishing a motion response mathematical model of the ship on the sea to the environment; s3, obtaining a marine environment forecasting result of a sea area through which the ship passes; s4, calculating the motion response of the ship passing through the sea area; s5, collecting other requirement conditions in the current voyage task of the ship as other constraints; s6, performing optimization calculation to obtain an optimized route and an optimized propeller rotating speed which should be adopted by the ship under the optimization target; and S8, repeating the steps S3-S7, and executing the newly obtained route and speed optimization scheme. According to the method, the ship navigation plan elements including the ship route and the propeller rotating speed are optimized, and a navigation scheme meeting the optimization requirement of a user can be obtained on the premise of avoiding severe sea conditions to guarantee safety. The method is beneficial to intelligent construction of ship navigation.
Owner:DALIAN MARITIME UNIVERSITY +2
Shore-based driving and controlling inland ship intelligent navigation man-machine interaction trust evaluation method
ActiveCN119578903Aimprove securityImprove stabilityMathematical modelsInference methodsAutomatic controlMarine engineering
The invention relates to the technical field of ship automatic control and intelligent traffic systems, solves the technical problem that trust evaluation is invalid or inaccurate due to the fact that a traditional trust evaluation method does not fully consider changes of a dynamic environment and a system state, and particularly relates to a shore-based driving and control inland river ship intelligent navigation man-machine interaction trust evaluation method. The objective of the invention is to improve the interaction safety and system stability between a ship and a shore-based control center through a dynamic trust calculation and risk assessment mechanism. The method specifically comprises four parts: trust index system construction, data acquisition and preprocessing, dynamic trust calculation and risk assessment and response. According to the method, the man-machine interaction trust in the intelligent navigation of the inland ship is dynamically evaluated and managed through a zero trust framework, so that the safety and stability of the ship in the navigation process are improved, and particularly, the trust degree of interaction between a shore base and the ship is evaluated in a complex and dynamic navigation environment; therefore, the safety and reliability of the system are ensured.
Owner:ANHUI UNIV +1
Data consistency checking method and system for intelligent ship sailing credible decision-making of inland ship
ActiveCN119629630AImprove navigation safetyImprove resistance to attackParticular environment based servicesVehicle-to-vehicle communicationCommunications securityAnomaly detection
The invention relates to the technical field of communication data inspection, solves the technical problem of lack of safety in the data transmission and processing process in the traditional technology, and particularly relates to a data consistency inspection method and system for intelligent ship sailing credible decision of an inland ship. The method specifically comprises five parts: zero-trust identity verification and access control, data encryption and communication security, time synchronization and verification mechanism, redundancy check and fusion of multi-source data, and multi-ship trust degree dynamic evaluation based on a consistency check result. According to the invention, each data interaction between the ship and the shore base, between the ships and between the ship and the environment is subjected to identity verification and safety examination. And in combination with time synchronization, multi-source data fusion, redundancy check, anomaly detection and the like, the data consistency and credibility of the navigation decision are ensured, and the navigation safety of the inland ship and the anti-attack ability of the system are remarkably improved.
Owner:ANHUI UNIV +1
Ship driver navigation task planning method, system and equipment and storage medium
PendingCN119228005AImprove navigation safetyHealth-index calculationSensorsDriver/operatorReal time analysis
The embodiment of the invention provides a ship driver navigation task planning method, system and device and a storage medium, and belongs to the technical field of artificial intelligence. According to the method, driver monitoring data of a ship driver under a current navigation task are obtained through a data acquisition device, and the driver monitoring data comprise monitoring index data of heart rate variability, skin electrical activity, skin temperature and activity state; determining a comprehensive psychological load index according to the monitoring data of the driver, then judging whether the comprehensive psychological load index of the navigation task is greater than a load threshold value or not, and re-planning the navigation task when the comprehensive psychological load index is greater than the load threshold value. The psychological load of the driver in the navigation process is analyzed in real time, and the navigation task is adjusted when the psychological load is too large, so that the navigation task is reasonably planned according to the psychological load, the psychological load of the driver is reduced, and the navigation safety is improved.
Owner:WUHAN UNIV OF TECH
Scheduling method and system based on ship traffic flow prediction model
ActiveCN119624015AImprove traffic efficiencyreduce waiting timeForecastingMarine engineeringTraffic flow
The invention discloses a scheduling method and system based on a ship traffic flow prediction model, belongs to the technical field of multi-step double-route ships, and is used for solving the problems that in the operation process of an existing multi-step double-line type ship lock, due to the fact that a ship arrangement plan is unreasonable, the utilization efficiency of lock chambers is low, and the cost is low. And the overall operation efficiency and the collaboration of the passing of the fleet are difficult to improve. The method comprises the following steps: carrying out passing analysis on a ship queue of a wait-to-pass water area under a time factor and a queue length factor, and determining a ship queue state; performing dynamic and static data statistics on all ships in the wait-to-pass water area to obtain dynamic attributes and static attributes of each ship; performing interval division of ship flow on the ship queue in the waiting passing area to obtain an initial ship interval; performing target optimization scheduling processing on the ship flow in the ship interval to obtain a final interval ship flow; and a ship flow scheduling planning scheme based on the multi-step double-linear ship lock is generated.
Owner:SHANDONG WATER TRANSPORT DEV GRP CO LTD
Navigation method and system of inland river electronic channel chart based on ship-shore combination
PendingCN119104061ATimely data updatehigh degree of automationNavigational calculation instrumentsNavigation by speed/acceleration measurementsSonarRadar
The invention discloses a navigation method and system for an inland river electronic channel chart based on ship-shore combination, and belongs to the field of ship navigation. The method comprises the following steps that S1, data of shore-end sensors and ship-end sensors are obtained, the shore-end sensors comprise a radar, a camera, a GPS navigation system and a meteorological and hydrological sensor, and the ship-end sensors comprise a radar, a camera, a GPS navigation system, a sonar and an inertial navigation system; s2, processing the data of the shore-end sensor and the ship-end sensor so as to update an inland river electronic navigation channel chart in real time; s3, navigation is performed based on the inland river electronic navigation channel chart updated in real time. According to the method, the data timeliness and the automation degree of the inland river electronic navigation channel chart are improved, so that various navigation requirements of ships are met, high-reliability support is provided for ship navigation, and the ship navigation safety is ensured.
Owner:SANDIANSHUI NEW ENERGY TECH (ANHUI) CO LTD
Unmanned ship path planning and collision avoidance decision-making method and system based on multi-factor fusion
ActiveCN119645034AImprove navigation safetyImprove efficiencyVehicle position/course/altitude controlPosition/direction controlSimulationObstacle avoidance
The invention discloses an unmanned ship path planning and collision avoidance decision-making method and system based on multi-factor fusion. Comprising the steps that S1, an unmanned ship multi-sensor fusion sensing network is constructed, environment data are collected in real time, mechanical parameters at the collision moment are captured on an unmanned ship, and the unmanned ship conducts sensing recognition on collision severity; s2, defining a path tracking excitation function, and adaptively adjusting dynamic parameters required in a path control process; s3, setting an excitation mechanism for collision avoidance of the static obstacle and the dynamic obstacle, and evaluating the threat degree of the static obstacle and the dynamic obstacle; and S4, integrating the path tracking response, the static obstacle collision avoidance excitation mechanism and the dynamic obstacle collision avoidance excitation mechanism, so that the unmanned ship balances the relationship among different task targets, and performs path planning and collision avoidance decision under multiple tasks. According to the technical scheme provided by the invention, the problems of path planning and obstacle avoidance decision making of the unmanned ship are effectively solved.
Owner:SHANGHAI JIAOTONG UNIV
Combined model-based dynamic prediction method and system for power conversion demand of electric ship
PendingCN119106868Aeasy to manageimprove accuracyData processing applicationsReal-time dataNavigation safety
The invention discloses a combined model-based dynamic prediction method and system for a power conversion demand of an electric ship, and relates to the technical field of transportation, and the method comprises the steps: collecting ship state and external environment data in real time, building a combined model based on an LSTM model and an XGBoost model, and carrying out the real-time prediction through the combined model. Based on real-time data and new sailing plan changes, a prediction result is dynamically adjusted, and latest battery replacement demand prediction is provided; and setting a threshold value, and giving an early warning when the predicted value of the battery replacement demand exceeds the threshold value. The method can dynamically adjust the prediction result through the ship state and external environment data collected in real time, and is suitable for continuously changing navigation conditions. According to the method, multiple factors are comprehensively considered, the prediction result is more comprehensive and accurate, measures can be taken in time and navigation safety can be enhanced under the emergency conditions of insufficient electric quantity and the like through a timely early warning and multi-stage early warning mechanism, and a ship charging and battery replacing operator can be helped to plan battery replacing in advance, optimize energy management and improve the overall battery replacing efficiency in actual operation.
Owner:JIANGSU WEITENG ECOLOGICAL TECH DEV CO LTD
Sectional type unmanned ship global path planning method in whole process of departure, navigation and arrival
PendingCN119105509AImprove navigation safetyavoid collision riskVehicle position/course/altitude controlPosition/direction controlOpen seaSimulation
The unmanned ship global path planning method provided by the invention covers the whole process from departure to sailing to an open sea area and then to entering the port, firstly sets detailed sailing routes and parameters, distinguishes three routes of departure, open sea area and entering the port, configures or dynamically calculates the resolution and safety distance of each segment of A star planning grid, and finally calculates the global path of the unmanned ship according to the resolution and safety distance of each segment of A star planning grid. Dividing a planning area according to navigation routing points, obtaining sea chart obstacle data in the planning area, performing data point interpolation processing, planning a path by applying an A star algorithm of a corresponding grid resolution under the condition of considering the safe distance of the unmanned ship aiming at each section of area, and performing path point simplification smoothing to ensure that all obstacles are avoided; and finally, seamlessly splicing the three paths of departure, open sea area and arrival to form a complete and safe global navigation path. According to the method, specific requirements of different sea areas are considered, a more refined path planning strategy is provided, an efficient and safe navigation scheme is provided for the unmanned ship, and the accuracy and efficiency of path planning are improved.
Owner:DEEP SEA TECH & SCI TAIHU LAB LIANYUNGANG CENT
Attention-BiLSTM-based ship track prediction method
PendingCN119669797AHigh filling accuracyAchieving Precise ForecastingNavigational calculation instrumentsBiological modelsFeature vectorMaritime navigation
The invention discloses a ship track prediction method based on Attention-BiLSTM, and relates to the technical field of ship track prediction. The method comprises the following steps: acquiring ship AIS data, weather data and date attribute data; carrying out abnormal data detection and elimination on the ship track data, and filling missing data after elimination; establishing a ship track feature input candidate set, selecting a feature input variable influencing the ship track, determining a delay order between the ship track and the feature input variable, and constructing a feature vector; dividing the feature vector into a limited number of sub-model action ranges, and performing boundary division and boundary estimation; and establishing a ship track prediction model for each sub-model action range, and realizing rolling prediction of the ship track through the ship track prediction model. Accurate high-quality data and reasonable action range division are provided for ship track prediction, the ship track prediction precision is guaranteed, and the purposes of ship reasonable path planning, resource optimization scheduling and marine navigation safety improvement are achieved.
Owner:THE 54TH RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION
Automatic compensation method for underwater buoyancy of AUV (Autonomous Underwater Vehicle)
InactiveCN119460036AReduce the risk of instabilityImprove control efficiencyUnderwater vesselsUnderwater equipmentBuoyancy regulationUnderwater navigation
The invention provides an automatic compensation method for underwater buoyancy of an AUV (Autonomous Underwater Vehicle), which meets the navigation depth control requirement caused by the change of seawater density in the navigation process of the underwater vehicle. Comprising the following steps: step 1, acquiring seawater temperature, salinity and navigation depth data of a current sea area; 2, according to the obtained seawater temperature, salinity and navigation depth data, the seawater density rho1 of the position where the AUV is located is calculated, and meanwhile the current liquid level of an AUV buoyancy adjusting device is collected through a liquid level sensor; 3, calculating the weight M1 of the AUV according to the seawater density rho1 and the volume V of the AUV, and comparing the weight M1 with the initial weight M0 to obtain weight change; 4, after the water amount of the AUV is adjusted, a proper liquid level value H1 is obtained, and the AUV stores the liquid level value to serve as the balance liquid level for depth control during underwater navigation of the AUV.
Owner:YICHANG TESTING TECHNIQUE RESEARCH INSTITUTE
Safety dynamic management system for belt sand ship
InactiveCN119626033AImprove navigation safetySolve real-timeMarine craft traffic controlReal-time dataChart datum
The invention discloses a belt sand ship safety dynamic management system, and the system comprises a ship information collection module which is used for collecting ship information, including position, speed and course information; the tide change trend prediction module is used for collecting tide information of the navigation area and obtaining the tide height and the tide change trend of the area where the ship is located in combination with the ship information; and the shallow water area depth change prediction module is used for collecting the sea chart data of the navigation area, and judging the depth change of the shallow water area during low tide by combining overlay analysis of the tide height data and the current sea chart water depth data. By integrating the tide change trend prediction module, the shallow water depth analysis module and the channel safety planning module, the system can monitor tide fluctuation and shallow water depth dynamic change in real time, and provide real-time data-based safety channel planning in combination with the ship draft.
Owner:CCCC GUANGZHOU DREDGING CO LTD +1
Shockproof lamp holder of roll-on-roll-off ship
ActiveCN222297801Ureduce shakingreduce swingWaterborne vesselsLighting support devicesMaritime navigationClassical mechanics
Owner:CSSC GUANGXI SHIPBUILDING & OFFSHORE ENG CO LTD
Full-rotation tugboat draught intelligent detection device
PendingCN119117201AImprove attendancehigh degree of automationSelf-bailing equipments/scuppersVessel partsNavigation safetyMechanical engineering
The invention discloses a full-rotation tugboat draught intelligent detection device which comprises a draught depth detection piece, the draught depth detection piece comprises a sea valve, a seawater guide piece and a draught detection piece, the sea valve is arranged on the bottom face of a boat body, the seawater guide piece is arranged on the sea valve and used for guiding seawater entering the sea valve to the draught detection piece connected with the sea valve, and the draught detection piece is arranged on the sea valve; the sensor is used for detecting ship draft; the sundry removing part comprises a sundry filtering part, a sundry cutting part and a sundry blowing part, the sundry filtering part is arranged on the sea valve and used for filtering seawater entering the sea valve, and the sundry cutting part is pushed by the sundry blowing part connected with the sundry filtering part on the sundry filtering part so as to clean sundries attached to the sundry filtering part. The device is high in automation degree, high in attached debris cleaning efficiency and high in attached debris cleaning quality, the ship draft detection accuracy can be remarkably improved, the ship navigation safety is improved, the ship maintenance time is remarkably shortened, and the full-rotation tugboat attendance rate is remarkably increased.
Owner:JIANGSU ZHENJIANG SHIPYARD GROUP
Intelligent control system and method for navigational speed and navigational direction of surface ship
PendingCN119596939Aimprove performanceImprove navigation safetyVehicle position/course/altitude controlPosition/direction controlControl engineeringData harvesting
The invention discloses an intelligent control system and method for the navigational speed and the navigational course of a surface ship, and relates to the technical field of ship navigation control, and the system comprises a data collection and mode construction unit, an integrated processing unit, a navigational speed and navigational course control mode selection unit and a real-time monitoring and optimization unit. The data collection and mode construction unit is used for collecting historical navigation data of a surface ship under different sea conditions, constructing a navigational speed and course control mode taking the sea condition data as parameters, and setting each threshold index in the navigational speed and course control mode; and the integrated processing unit is used for carrying out integrated processing on the set navigational speed and course control mode, the threshold value index and a naval vessel controller. By collecting and analyzing the historical navigation data, the navigation speed and course control mode taking the sea condition data as the parameters is constructed, so that the naval vessel can automatically select the optimal navigation mode and parameters according to the real-time sea condition and task requirements, intelligent navigation decision is realized, and the overall efficiency of the naval vessel is improved.
Owner:中国人民解放军91404部队第310所
Auxiliary navigation method and device, electronic equipment and storage medium
PendingCN119289965Aavoid safety accidentsImprove navigation safetyNavigation instrumentsComputer hardwareControl electronics
The invention provides an auxiliary navigation method and device, electronic equipment and a storage medium, the auxiliary navigation method is applied to the electronic equipment provided with navigation software, and comprises the following steps: obtaining a target navigation instruction; determining a target vibration mode corresponding to the target navigation instruction; and controlling the electronic equipment to vibrate according to the target vibration mode so as to carry out auxiliary navigation. The target vibration mode corresponding to the target navigation instruction is determined, and the electronic equipment is controlled to vibrate according to the vibration mode to navigate the user, so that the user can know the navigation information by sensing the vibration mode through the body; according to the method, the user can be navigated under the condition that the user cannot conveniently watch the screen of the electronic equipment or cannot conveniently listen to the voice instruction of the electronic equipment, meanwhile, the user does not need to check the screen of the electronic equipment, safety accidents possibly caused when the user is distracted to check the screen of the electronic equipment are avoided, and navigation safety is improved.
Owner:BEIJING BAIDUPAY SCI & TECH +1
A method and system for adjusting navigation lights
ActiveCN117690315BReduce the probability of collision accidentsImprove management efficiencyNavigational calculation instrumentsScattering properties measurementsEngineeringComputer vision
A navigation light adjustment method and system are disclosed, relating to the field of navigation light technology. The method involves acquiring vessel information and visibility for all vessels within a predetermined water area; determining the vessel density within the predetermined water area based on the vessel information; dividing the predetermined water area into multiple adjustment zones based on the vessel density; calculating the comprehensive navigation condition value for each vessel within each adjustment zone based on the visibility and vessel density; obtaining the navigation routes for each vessel within each adjustment zone; and adjusting the parameters of the navigation lights for each vessel within each adjustment zone based on the navigation routes and the comprehensive navigation condition value. Implementing the technical solution of this application allows for analysis of the surrounding navigation environment and timely adjustment of navigation lights, thereby reducing the probability of vessel collisions.
Owner:WAROM TECHNOLOGY INCORPORATED COMPANY
Ship traffic situation awareness method, device and equipment and storage medium
ActiveCN121811697AHigh precisionImprove navigation safetyMarine craft traffic controlRadarSimulation
The invention provides a ship traffic situation awareness method and device, equipment and a storage medium, and the method comprises the steps: obtaining radar features and AIS features of a target ship, and determining an attention weight; according to the time change rate of the attention weight and a time sequence differential error of the radar feature and the AIS feature, constructing a time sequence differential consistency constraint, the time sequence differential consistency constraint being used for forcing the time change rate to be inversely proportional to the time sequence differential error; according to the constructed time sequence differential consistency constraint and the attention weight, generating a fusion feature; and according to the fusion features, ship trajectory prediction of the target ship is generated. According to the invention, by introducing the time sequence differential consistency constraint and delay perception attention module, accurate time alignment and anti-oscillation fusion are carried out on radar and AIS features, and stable fusion features are generated, so that accurate ship trajectory prediction is realized, and situation perception precision and navigation safety are effectively improved.
Owner:CHINA COMM CONSTR FIRST HARBOR CONSULTANTS
Unmanned boat route planning method, system and storage medium
ActiveCN114935933BImprove navigation safetyImprove efficiencyVehicle position/course/altitude controlPosition/direction controlSimulationNavigation safety
The present invention discloses an unmanned boat route planning method, system and storage medium, which can effectively improve the algorithm convergence speed, optimize the planned route, and effectively improve the navigation safety performance and efficiency of the unmanned boat. The method includes: obtaining AIS data, and clustering the AIS data to obtain clustering points; constructing an undirected connected graph according to the clustering points; calculating the initial path according to the undirected connected graph; constructing a navigation area according to the navigation points on the initial path; wherein the clustering points on the initial path are used as navigation points; sampling and branch expansion are performed according to the navigation area to obtain a first planned route; path compression is performed on the first planned route according to the DP trajectory compression algorithm to obtain a second planned route; determining that the curvature change of the first path segment of the second planned route is greater than the preset curvature, and optimizing the first path segment to obtain a second path segment; obtaining a target planned route according to the second planned route and the second path segment.
Owner:JIMEI UNIV
Autonomous decision-making system and method for unmanned ship
PendingCN121806871Amaintain continuityImprove performanceVehicle position/course/altitude controlPosition/direction controlDecision controlDecision system
The invention provides an autonomous decision-making system and method for an unmanned ship, and relates to the field of intelligent control systems. The system comprises a decision-making machine module, a skill application module and a communication interaction module, wherein the decision-making machine module is used for receiving a navigation task instruction from a ground station, determining a corresponding navigation task type based on the navigation task instruction, generating a decision-making control instruction for uniformly scheduling navigation of the unmanned ship, and performing event generation, event judgment and interruption control based on navigation state information in the navigation process of the unmanned ship; the skill application module is used for executing corresponding navigation operation under the control of the decision control instruction, and monitoring and reporting navigation state information in the execution process; and the communication interaction module is used for realizing two-way communication among the modules. The method is used in the autonomous decision-making process of the unmanned ship, and solves the technical problem that when a navigation task is executed in a complex environment in the prior art, people cannot be flexibly simulated for decision-making control.
Owner:SHANGHAI POWER TIANCHENG INTELLIGENT TECH CO LTD
A scene generation method and system for a ship system
The present invention relates to the technical field of scene generation, and specifically discloses a scene generation method and system for a ship system, comprising: obtaining navigation data within a fixed time period; calculating and obtaining the navigation coefficient of the fixed time period; evaluating the risk of the ship in the fixed time period, and generating a risk assessment signal; establishing a ship navigation model based on a high-risk signal; predicting the waves to be encountered, and obtaining predicted waves and prediction data; calculating and obtaining the navigation prediction coefficient of the ship within the fixed time period; evaluating the subsequent navigation environment of the ship, and generating a risk prediction signal; based on the still high-risk signal, sending the wave height, wave direction and wave period of the predicted waves to the front end; the present invention provides timely and comprehensive risk assessment for ship navigation, helps to improve navigation safety and reduce potential risks; provides a more comprehensive and forward-looking risk assessment and early warning system for ship navigation, and effectively improves the scientificity and safety of navigation decision-making.
Owner:WEIHAI YINGBO INTELLIGENT TECH CO LTD
A remote real-time early warning system for ships based on cloud computing
ActiveCN119400000BImprove navigation safetyImprove operational efficiencyVessel signalling devicesMarine craft traffic controlEarly warning systemData aggregator
The present invention provides a ship remote real-time early warning system based on cloud computing, which relates to the technical field of data processing, and comprises: a data acquisition module, which is used for acquiring ship operation data, environmental status data and external interaction data; a data preprocessing module, which is used for generating standard processing data; a data grouping module, which is used for dividing into a priority data group and a common data group; a data transmission module, which is used for sending to a cloud analysis module; the cloud analysis module, which is used for performing multi-source data aggregation processing on the priority data group and the common data group respectively, performing real-time evaluation on the ship operation status, identifying abnormal behavior recognition and emergency event prediction, and generating corresponding final early warning instructions, including avoidance operation instructions and route adjustment suggestions; an early warning feedback module, which is used for sending the early warning instructions to a ship terminal; and a local response module, which is used for performing an immediate trigger operation on the instruction classification data. The present invention improves the autonomy and accuracy of the ship remote real-time early warning.
Owner:FUJIAN WHALE AIR NETWORK TECH CO LTD
水中航行车辆的轨迹控制方法、装置、设备及车辆
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1
Navigation warning lamp with flag and quick release function
ActiveCN224241230UEasy to store and organizeImprove navigation safetySignalling for vessel indicationElectrical batteryStructural engineering
The sailing warning lamp comprises a guide rail seat, a quick-release handle, a flagpole, a light-emitting portion and a battery bin, the guide rail seat is fixed on a canoe through a screw, a guide rail is arranged in the middle of the guide rail seat in the length direction of the guide rail seat, the quick-release handle is fixed on the guide rail through a T-shaped screw, and the flagpole is fixed on the battery bin through the T-shaped screw. A flagpole is fixedly connected to the upper portion of the quick-release handle, a light-emitting part is arranged on the top of the flagpole, a battery bin is arranged in the light-emitting part, and the flag is arranged on the flagpole. The guide rail seat is matched with the quick-release handle, the sliding block is moved to the outlet along the guide rail and is lifted to finish the disassembly, the operation is simple and convenient, tools are not needed, the flagpole is convenient to store and store after being contracted, the warning effect is enhanced through the combined design of the flag and the light-emitting part, and particularly under the condition of insufficient light or severe weather, the flagpole can be conveniently disassembled. Daytime visibility can be improved through the visual mark of the flag, and night navigation safety can be guaranteed through light signals of the light-emitting part.
Owner:TAIZHOU JIEKU OUTDOOR PROD CO LTD