41 results about "Marine navigation" patented technology

A system and method of calculating an estimated time of arrival for a traveler is provided, along with a notification of this estimated time that is sent to a third party. The traveler is equipped with a navigation unit having a global positioning sensor and a wireless communications device. The navigation unit communicates with a service center equipped with a server capable of generating a preferred navigational route for the traveler. The service center also includes a traffic database for maintaining current traffic information. Once the traveler has selected a predetermined time and frequency of notifications based upon a selected criterion, the navigation unit transmits the traveler's position and velocity to the service center. The service center then calculates the estimated time of arrival based upon the traveler's position, velocity, distance to be traveled and traffic and weather conditions. Once this time is calculated, the service center sends a notification to the third party.

The invention discloses a ship anti-collision early warning method based on multi-source heterogeneous information fusion, and the method comprises the steps: S1, obtaining the multi-source target information of a ship navigation radar, an AIS, and an infrared camera, and unifying the targets of all sensors to a same coordinate system; s2, preprocessing the radar and the AIS target; s3, performing information fusion on the preprocessed radar and AIS target; s4, performing information fusion on the target after radar and AIS fusion and the infrared image recognition target; and S5, based on the dynamic information of the final fusion target and the state of the ship, calculating the relative distance and orientation with the ship, and when the target is located in a preset fan-shaped area right in front of the ship and the relative distance is smaller than a dynamic danger threshold value, triggering a multi-stage acousto-optic character alarm. According to the invention, various sensor information can be integrated to detect and track the water surface target, and the robustness and the detection rate are improved, so that a more accurate early warning effect can be achieved on the water surface obstacle when the ship sails.

The invention belongs to the technical field of marine environment monitoring, and particularly relates to an air-sea cooperation-based enteromorpha identification and density estimation method and system, and the method comprises the steps: carrying out the aerial survey of a target sea area through an unmanned plane, collecting a sequence image, processing the sequence image based on a deep learning model, and generating an enteromorpha distribution probability graph and a density estimation graph; carrying out marine navigation and fixed-point sampling through an acoustic sensor carried by an unmanned ship to obtain actually measured density data of enteromorpha; the unmanned aerial vehicle sends the generated enteromorpha distribution probability graph and / or density estimation graph to the unmanned ship, the unmanned ship receives the enteromorpha distribution probability graph and / or density estimation graph, plans a navigation path and sampling points according to the enteromorpha distribution probability graph and / or density estimation graph, and goes to a high-probability or high-uncertainty area for fixed-point sampling; and the unmanned aerial vehicle receives actually measured density data returned by the unmanned ship and fuses the actually measured density data with own identification and estimation results so as to update and optimize the deep learning model and form an air-sea collaborative monitoring closed loop.

The embodiment of the invention provides a marine diesel engine interactive intelligent agent device based on cooperation of large and small models and a temporary first-aid repair method, and aims to solve the problems of rapid diagnosis, emergency decision and first-aid repair guidance when a marine diesel engine breaks down suddenly. The device comprises a large language model serving as a core and responsible for task decomposition, decision generation and information integration; the professional small model carries out optimization analysis on tasks such as fault positioning, emergency decision making, spare part replacement and time prediction; the interactive agent core module supports voice and text input and provides real-time feedback; the multi-modal data real-time fusion module integrates various data sources and dynamically allocates weights; and the knowledge graph and inference engine module provides accurate first-aid repair guidance. The large language model is innovatively taken as a core to be deeply cooperated with a plurality of professional small models, so that the rapid diagnosis, emergency decision and temporary repair guidance of sudden faults of the marine diesel engine in the marine navigation process are realized, and the blank of the intelligent temporary repair technology of the marine diesel engine is filled.

The present application relates to the technical field of photoelectric detection and navigation, and discloses a solar vector orientation method, device and computer equipment based on thermal sensitive vision, to solve the problem of signal attenuation and low reliability of existing visible light or polarized light solar detection technology under complex weather. The method comprises: acquiring a thermal infrared image of a sky area by using a near-infrared thermal sensitive vision sensor; performing image preprocessing to enhance the solar target information; detecting and segmenting the solar target area in the image, and accurately positioning the solar center coordinates by using a centroid estimation or ellipse fitting method; converting the image coordinates into the solar position observation vector in the carrier coordinate system of the bearing sensor according to the sensor calibration parameters and installation parameters; and combining the theoretical solar vector calculated by an astronomical algorithm to solve the orientation information of the carrier. The present application is suitable for complex lighting conditions, has the advantages of strong anti-interference and high precision, and can be used for attitude determination in aerospace and marine navigation.

The utility model relates to the technical field of control panels, and discloses a marine navigation signal lamp control panel which comprises a control panel, square plates are fixedly connected to the left side and the right side of the top end of the control panel, Y-shaped grooves are formed in the middles of the square plates, motors are fixedly connected to the outer walls of the square plates, and the output ends of the motors are rotationally connected with rotating frames. One end of the rotating frame is fixedly connected with a polygonal block, the outer wall of the polygonal block is fixedly connected with a connecting rod, the top end of the polygonal block is fixedly connected with a fixing plate, and the outer wall of the polygonal block is fixedly connected with a clamping column. A square plate at the top end of the console is provided with a Y-shaped groove, a motor drives a rotating frame to rotate, a clamping column on the outer wall of a multilateral block at one end of the rotating frame is clamped with the Y-shaped groove, the multilateral block is connected through a connecting rod, a fixing plate is arranged at the top end of the multilateral block, and due to the shape of the Y-shaped groove, the multilateral block drives the fixing plate to ascend and then turn over, so that a waterproof cover is automatically opened; and normal waterproof performance of the control panel is ensured.

The present application relates to the field of marine navigation technology of ship, specifically relates to a ship marine navigation system based on compass direction finding and satellite fusion, comprising a data acquisition module, a disturbance correlation analysis module, a pseudo course determination module, a navigation credibility evaluation module, a dynamic fusion weight adjustment module and a stable heading output module;Through collecting the compass heading data, satellite positioning data and ship body attitude data of the target ship, the correlation between the heading change and the roll disturbance is analyzed, and the pseudo heading change caused by the sea state disturbance is identified in combination with the track change state;Based on the disturbance correlation result, the credibility of the compass navigation and satellite navigation is dynamically evaluated, and the fusion weight of different navigation data is adaptively adjusted to generate stable heading information, which is beneficial to reduce the influence of ship body attitude disturbance on the heading measurement result under complex sea state conditions, and improve the continuous stability and navigation reliability of ship heading navigation.

The utility model discloses a wind power detection alarm device for ship navigation, which relates to the technical field of ship navigation and comprises a bottom table, a boss mounted at the upper end of the bottom table, a support column rotatably connected to the boss, a three-color audible and visual alarm mounted on the boss, a circular truncated cone mounted on a support rod of the three-color audible and visual alarm, and a support table mounted on the circular truncated cone. A wind cup type wind speed sensor is installed on the supporting table, a ring block is arranged on the bottom side of the circular truncated cone, the supporting column is rotationally matched with the ring block, and a wind direction plate is installed on one side of the supporting column. The problem that in the prior art, the supporting column of the warning device is bent by strong wind is solved, the supporting column is driven by the wind direction plate to rotate around the boss and the ring block, the smooth face of the supporting plate is parallel to the wind direction, it is guaranteed that the strong wind is not vertically blown to the arc-shaped face of the supporting plate, and the impact force of airflow is weakened; when airflow flows through the supporting plates, lift force from inside to outside can be generated and is counteracted by atmospheric pressure, and deformation of the supporting plates is avoided.

This invention provides a testing device for outboard motors, belonging to the field of outboard motor testing technology. It includes a simulation component and an outer water tank. The simulation component is located inside the outer water tank, and the outboard motor can be installed inside the simulation component. The simulation component can test the outboard motor. This invention uses a simulation component to fix the outboard motor on a clamping platform and injects liquid water suitable for the working water depth into the inner water tank. Simultaneously, sea salt is supplied as needed to adjust the salinity of the liquid water. Then, a first deflection mechanism drives the outboard motor, causing it to deflect back and forth along an arc-shaped positioning guide rail. A worm gear assembly drives the outboard motor to sway left and right, and a damping slide achieves lateral displacement. The salinity in the inner water tank is maintained, stably simulating the marine navigation environment and forming a multi-dimensional composite swaying scenario. This enables accurate testing of the outboard motor under all operating conditions, reducing the data distortion problems caused by single swaying and freshwater testing in traditional devices.

The present application belongs to the technical field of inertial navigation, and discloses a kind of modulation type inertial measurement unit's inertial device health state real-time monitoring method, suitable for aviation navigation, marine navigation and other application scenarios.The present application cooperates with the relative output information of two sets of inertial navigation system to construct constraint observation, establishes a joint error state adaptive filter as a state monitoring filter, establishes a real-time state monitoring criterion based on the estimated output of the filter, clearly defines the diagnostic threshold and performs health state monitoring, and proposes a bearing gyro drift change quantity fitting method to realize abnormal state monitoring of the bearing gyro.The inertial device health state monitoring method proposed by the present application does not require accurate reference information assistance, providing a reliable guarantee for the safety and reliability of long-time navigation in GNSS denial environment.

The utility model discloses a marine navigation radar, which comprises a navigation radar, a plurality of matching blocks are fixed on the navigation radar, each matching block is hinged and installed on a support assembly, each support assembly is hinged and installed on a connecting block, each connecting block is arranged on a placing frame, and the placing frame is arranged on the support. And a driving adjusting assembly is fixed on the placement frame, so that the height of the navigation radar can be adjusted conveniently, and the detection range of the navigation radar is widened.

A propulsion control system includes at least one marine drive configured to propel the marine vessel, a proximity sensor system configured to measure proximity of objects in a marine navigation area around the marine vessel to generate proximity measurements, and a control system. The control system is configured detect that an extendable element on the marine vessel is in an extended position, define an extended buffer zone around the marine vessel based on the extended position of the extendable element, and control the at least one marine drive based on the proximity measurements and the buffer zone so as to avoid the objects in the marine navigation area entering the extended buffer zone.

The utility model mainly provides a duckweed assembly which comprises a cabin body, a duckweed assembly and a balance weight piece, the duckweed assembly is movably connected with the peripheral side of the cabin body, and the balance weight piece is connected with the bottom of the cabin body; the navigation aiding assembly is arranged on the top of the cabin body. The duckweed assembly can well help the marine navigation aid mark to resist storm waves so as to keep stability.

A connector capable of converting a marine navigation light to charging equipment contains: a convertor and a Universal Serial Bus (USB) fixer. The convertor includes multiple conducting portions, a respective one conducting portion is configured to contact with the respective one coupling portion so as to guide a power of the power supply equipment. The respective one convertor also includes at least one electric wire, an end of a respective one electric wire is electrically connected with the respective one conducting portion, and the other end of the respective one electric wire is coupled with the USB fixer. The USB fixer includes a body in which a transformation unit is accommodated, the respective one electric wire is connected on the transformation unit to adjust a voltage, and the transformation unit has multiple power ports configured to supply the power after adjusting the voltage of the power.

The invention discloses a resource-shared dual-band marine navigation radar. The radar is composed of an active antenna unit driven by a servo motor to rotate, a fixed comprehensive electronic case and a terminal placed in a cabin. Wherein the active antenna unit comprises an X-band antenna, an S-band antenna, an X-band four-channel radio-frequency variable-frequency transmitting-receiving assembly, an S-band high-power variable-frequency transmitting-receiving assembly, a five-channel digital transmitting-receiving assembly, a frequency synthesizer and a DBF board. The integrated electronic case is composed of a servo system, an integrated digital processing unit and a secondary power supply, two wave band radars are integrally designed, the height measurement capability of the X wave band radar is improved, the advantages of the two wave bands can be fully utilized, the radar use cost is reduced, the radar target detection range and detection capability are improved, and the product practicability is improved.

The application discloses an Arctic shipping route navigation safety evaluation method and system based on multi-source data fusion and ship adaptability, and relates to the cross technical field of marine navigation safety guarantee, meteorological and hydrological data analysis and intelligent navigation. The method comprises the following steps: collecting multi-source data of the Arctic shipping route, dynamically fusing weights in combination with real-time reliability calculation of the data source after preprocessing and space-time alignment, completing confidence dynamic weighted fusion to obtain comprehensive environmental data; constructing a coupled physical stress model based on the data and inherent parameters of the target ship, introducing ice type and sea current factors to quantify real-time navigation risk, and generating a voyage full-cycle dynamic risk corridor; planning a route based on the risk corridor by using a hybrid heuristic algorithm, and combining a multi-index judgment mechanism with a self-defined weight to realize navigation safety grade judgment and global optimal route output. The application improves evaluation accuracy and ship adaptability, prolongs the dynamic prediction period, realizes global optimal route planning, and has strong operability in decision support.

The invention belongs to the technical field of marine navigation, and discloses a paper electricity chart drawing device and a chart drawing method. The paper and electricity chart drawing equipment comprises a touch control workbench and an electromagnetic pen, the touch control workbench comprises a control main board, an electromagnetic touch control module and a display screen, after a paper chart is laid on the display screen, the paper chart and an electronic chart are displayed in an overlapped mode, when the electromagnetic pen is adopted to leave plotting handwriting on the paper chart, the electromagnetic pen sends a signal to the electromagnetic touch control module, and the control main board controls the electromagnetic touch control module to display the plotting handwriting. The electromagnetic touch module receives a signal of the electromagnetic pen and transmits the signal to the control mainboard, the control mainboard sends image data to the display screen, and then plotting handwriting on the paper chart is electronically displayed on the electronic chart, so that the operation habit of an original paper chart is reserved, synchronous drawing of the paper chart and the electronic chart can be achieved, and the drawing efficiency is improved. The workload of independently drawing the paper chart and the electronic chart is greatly reduced, the drawing time is shortened, errors caused by independently drawing the electronic chart are avoided, and the chart drawing accuracy is effectively improved.

This invention provides a cleaning device and method for marine buoys, belonging to the fields of marine engineering equipment and marine navigation marks. It is used to clean attached marine organisms and dirt near the waterline and underwater parts of the buoy, and to collect wastewater and debris. It includes a base, a splash guard, a bonding section, and a rinsing section. The base includes an outer ring base, an inner ring base, and a bottom plate, with a filter screen on top. The splash guard includes a top frame and sliding doors, with multiple sliding doors slidably disposed between the outer ring base and the top frame. The bonding section is located on the inner ring base and includes a shrink film and a retraction mechanism. The outer circle of the shrink film is fixed to the upper side of the filter screen area, and the inner circle of the shrink film is connected to the retraction mechanism. When the retraction mechanism operates, it adheres the shrink film to the buoy shell. The rinsing section includes a spray gun to rinse the buoy surface. This device, combined with this method, achieves adaptation and cleaning of the buoy shell, separates wastewater and waste without damaging the coating, improves the convenience and efficiency of buoy cleaning, and is also environmentally friendly.

The application provides a marine navigation network generation method based on vector-grid model fusion, and relates to the technical field of waterway autonomous route design.The steps of the method include obtaining original AIS track data of different ship types during marine navigation;for each ship type, identifying a berthing track section, extracting a voyage track, and performing abnormal track identification and high-quality route extraction to obtain a representative route; a quadtree spatial grid model is constructed, the representative route is segmented and topologically reconstructed at multiple precisions based on in-out grid anchor points to obtain a target route segment, a vector navigation network is constructed through spatial and heading clustering, a grid navigation network is constructed, a route point matching strategy is introduced, a topological association between the vector and grid routes is established, and a vector-grid navigation network is generated; route arc segments of different ship types are extracted, a matching model is constructed for arc segment matching, and route fusion and incremental reconstruction are performed on the vector-grid navigation network to generate a multi-ship-type fusion marine navigation network.

According to the flower basket type sea wave power generation gravity type net cage, supporting and buoyancy are provided through the floating frame, the upper ends of the vertical steel ropes are connected to the generator assembly, the lower ends of the vertical steel ropes are connected to the bottom of the netting, the steel ropes are driven to shake through sea wave impact, and wave and ocean current impact can be effectively unloaded; meanwhile, wave energy is converted into electric energy to be stored and utilized through the generator assembly. When the attachment of the netting is increased too much, the generator serves as a motor to lift the netting by 5-6 m, operation such as net drying and net washing can be carried out, the attachment can be removed, the problem that the net cage in the deep sea is difficult to replace is solved, and the netting cleaning efficiency is greatly improved. The rotary cross corridor can horizontally rotate around the center of the floating frame, so that the net cage is convenient to maintain, and meanwhile, convenient conditions are provided for driving fishes during fishing; the central workbench is divided into a plurality of layers, can be used as spaces for living, working, sea fishing travel, storage and the like, and can also be used as a marine navigation mark.

The invention relates to the technical field of photoelectric detection and navigation, aims to solve the problems of signal attenuation and low reliability of the existing visible light or polarized light sun detection technology in complex weather, and discloses a sun vector orientation method and device based on thermosensitive vision and computer equipment. The method comprises the following steps: acquiring a thermal infrared image of a sky area by using a near-infrared thermosensitive visual sensor; performing image preprocessing to enhance sun target information; detecting and segmenting a sun target area in the image, and accurately positioning a sun center coordinate through a centroid estimation or ellipse fitting method; according to sensor calibration parameters and installation parameters, converting the image coordinates into a sun position observation vector under a carrier coordinate system bearing the sensor; and in combination with a theoretical sun vector calculated by an astronomical algorithm, the orientation information of the carrier is solved. The method is suitable for complex illumination conditions, has the advantages of strong anti-interference performance and high precision, and can be used for attitude determination in aerospace and marine navigation.

The invention relates to the technical field of ocean shipping wind and light power generation, and discloses an ocean shipping wind and light power generation device which comprises a shipping body for ocean shipping, a cargo hold for loading cargoes is fixedly connected to the center of the upper end of the shipping body, and a control cabin for PLC control is fixedly connected to the portion, close to one side, of the upper end of the shipping body. The end, close to the control cabin, of the upper end of the ship body is provided with a photovoltaic power generation mechanism used for photovoltaic power generation and acting on the ship body, and the end, close to the control cabin, of the upper end of the ship body is fixedly connected with a wind power generation body used for wind power generation and acting on the ship body. The three groups of layered and slidable photovoltaic modules are combined with the wind power generation body, ocean light energy and wind energy are efficiently utilized, and traditional energy dependence is reduced; the bisymmetric power source ensures operation, electronic and mechanical limiting prevents faults, adapts to the bumpy working condition of ship navigation, does not disturb the functions of the cargo hold, and provides efficient, reliable and environment-friendly energy for ship navigation.

The invention relates to the technical field of ship navigation monitoring and marine visual perception, and particularly discloses a ship navigation scene time sequence consistent video enhancement method and system, and the method comprises the steps: S1, obtaining a marine navigation monitoring video sequence, carrying out the frame extraction and scale unified processing of the marine navigation monitoring video sequence, and obtaining a unified scale video; s2, determining the position of a sea-sky-line; s3, generating a sky mask and a sea surface mask; s4, determining an effective sky mask and an effective sea surface mask; s5, inputting each frame of image into an enhancement model to generate an enhancement frame; step S6, calculating sea-sky contrast and sea-sky line contrast constraint of the enhanced frame; s7, calculating a time sequence consistency constraint; and S8, based on the sea-sky-line comparison constraint and the time sequence consistency constraint, fusing and splicing the plurality of enhanced frames, and outputting an enhanced video sequence. The navigation video interpretability can be improved, and the time sequence stability can be ensured.

The application discloses an anti-corrosion optical cable for a ship sailing on the sea, and belongs to the optical cable field. In the application, when a corrosion source adheres to the surface of an outer covering layer to form corrosion, heat is generated, trigger agent particles in a stress trigger block are decomposed to form gas, a large amount of heat is absorbed during the decomposition of the trigger agent particles, the rate of the corrosion source to the outer covering layer is delayed, the gathering of the gas generated by the decomposition of the trigger agent particles can compress the outer covering layer, until the outer covering layer is torn along the direction of a prefabricated tear groove, the outer covering layer part with the corrosion source is separated, and is contracted into a ball under the action of a reinforcing net, the corrosion source is wrapped in the ball, the corrosion source is less likely to continuously corrode the optical cable, the corrosion source is less likely to widely corrode the optical cable, the service life of the optical cable is less affected, and the optical cable is less likely to fail.

This invention belongs to the field of marine navigation technology and discloses an integrated intelligent ballast water dynamic adjustment and purification system for ships. It includes: a data acquisition module for real-time acquisition of ship attitude data, current water volume / level data of each ballast tank, and current water quality parameters; a ballast water adjustment module, including a pipeline network connecting each ballast tank and pumps and valves installed on the pipeline network; and a ballast water purification module, located on the pipeline network, which uses an ultraviolet persulfate advanced oxidation process to treat ballast water online and includes an adjustable persulfate dosing unit. This invention achieves global optimization of adjustment time and purification energy consumption through a multi-objective collaborative optimization model. The "adjustment-purification integration" control mode achieves "simultaneous adjustment and purification," avoiding cross-contamination, reducing total system energy consumption, and possessing the triple advantages of high efficiency, energy saving, and environmental protection.

The application relates to an AI-based marine solution toolkit system and method. The system comprises a data fusion layer, an application module layer and a decision support layer. The data fusion layer comprises a data fusion model for fusion calculation of marine data to generate a marine data set; the application module layer comprises multiple functional modules for generating intermediate data with decision reference value based on the marine data set; and the decision support layer comprises a large language model for receiving user input decision requirements, performing intent recognition on the decision requirements, and performing logical reasoning on the recognized intent based on the intermediate data and the marine data set to generate a decision scheme. Through the collaborative work of the data fusion model and the large language model, the application realizes deep fusion of multi-source marine data and intelligent decision support, significantly improves the scientificity, efficiency and ease of use of marine problem decision-making, and is suitable for multiple fields such as marine navigation safety, ecological protection and blue economy.

The application belongs to the technical field of marine navigation radar, and specifically discloses a marine radar navigation blind-filling method based on maximum value fusion and clutter suppression rules. According to the application, pixel-level registration is performed on the current radar image, and the initial fusion value of each pixel point is determined according to the gray value of each marine radar at each pixel point position; each pixel point is fused according to the initial fusion value; the true target and the clutter are distinguished and the clutter is suppressed by applying a multi-level clutter suppression rule to the initial fusion image, and the navigation of the marine radar is filled blind according to the true target. In the above manner, the maximum gray value is selected as the initial fusion value of the pixel point for fusion, ensuring that as long as the target is detected by the marine radar, the target can be displayed in the initial fusion image. The multi-level clutter suppression rule is used to distinguish the true target and the clutter, thereby effectively improving the accuracy of the blind-filling marine radar navigation and further improving the safety of ship navigation.

A method of controlling docking for a marine vessel includes receiving a global position measurement describing a global position of the marine vessel, defining a first navigation pathway through a marine navigation area between the global position of the marine vessel and a navigation target location, wherein the first navigation pathway includes a first set of geographical locations, generating a display representing the marine navigation area and the first navigation pathway on a user interface, receiving a user input via the user interface identifying a through point location to replace at least one geographical location in the first set of geographical locations, and defining an adjusted navigation pathway between the global position of the marine vessel and the navigation target location, wherein the adjusted navigation pathway defines a path through the marine navigation area configured to enable continuous surge movement of the marine vessel past the through point location.

1. Name of the designed product: marine navigation radar (FT-6512). 2. Use of the designed product: the designed product is used for marine navigation equipment. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.