463results about "Navigational aid arrangements" patented technology

The invention relates to the technical field of ship navigation and data safety, solves the technical problem that an existing ship data safety guarantee system has defects in the aspects of data trust evaluation and data correction, and particularly relates to a safety guarantee method for credible interaction of inland ship shore-based driving control data under a zero-trust architecture. Comprising the following steps: standardizing operation data to obtain ship sensing data and shore-based data with the same dimension; based on an evidence theory, taking the ship sensing data and the shore-based data as independent evidence sources to perform fusion processing so as to obtain a trust evaluation result for quantitatively representing data credibility; and performing consistency correction on the ship sensing data and the shore-based data based on a least square method. According to the method, scientific and rigorous trust evaluation is realized, mathematical optimality of data fusion is guaranteed, and long-term reliability is ensured. Meanwhile, the credibility and the weight are directly associated with the equipment precision and historical data, so that an operator can flexibly adjust the system to adapt to different equipment.

A system and method for enhancing marine vessel efficiency through integrated hull optimizations is disclosed. The system includes automated bow thruster covers that reduce hull drag and condition water flow, coupled with strategically positioned air lubrication nozzles that create and maintain an air layer under the vessel. The bow thruster covers may be configured as circular doors or parallel panels, optionally incorporating air discharge ports or working in conjunction with dedicated air jets. An intelligent control system optimizes the integrated components using real-time sensor data and computational fluid dynamic analysis. The system modulates air distribution and cover positions based on sea conditions and vessel speed, maintaining optimal efficiency during operation. External surfaces may incorporate superaerophilic structures to enhance air retention and reduce drag. The comprehensive integration of these components provides improved hydrodynamic efficiency while maintaining full bow thruster functionality when required.

The invention discloses an automatic depth measuring device for an unmanned ship, and the device comprises a telescopic support structure which comprises a pipe fitting and an external member, the pipe fitting is led out from a ship board of the ship and extends downwards, the telescopic support structure is slidably inserted into a pressure regulating cavity of the external member in a sealed manner, an overflowing hole communicated with the pressure regulating cavity is formed in the telescopic support structure, and gas for pressure regulation is injected into the overflowing hole of the pressure regulating cavity; the angle adjusting mechanism comprises an outer frame and a rotating seat, the outer frame is positioned at the lower end of the sleeve piece, the spherical rotating seat is rotatably arranged in a spherical cavity of the outer frame in a sealed mode, a partition plate is arranged in the outer frame and divides the spherical cavity into two independent cavities, the outer frame is provided with a connector, and an inner cavity of the connector is communicated with the independent cavities; the connector is in butt joint with a ship through a connecting pipe, and gas for pressure regulation is injected into the independent cavity. And the depth finder is positioned on the rotating seat. Compared with the prior art, the unmanned ship depth measuring device can solve the problems that when an existing unmanned ship depth measuring device is used, the depth measuring result precision and the depth measuring stability are insufficient, and the obstacle avoidance function is not achieved.

The invention relates to an intelligent ship water diversion method and system based on RTK and inertial navigation fusion, and the method comprises the steps: firstly, deploying and calibrating an RTK base station at a wharf commanding height, generating a differential correction in real time, and broadcasting the differential correction to a shipborne end; utilizing RTK surveying and mapping equipment to collect shoreline feature points, adopting a cubic spline interpolation algorithm to construct a continuous and smooth three-dimensional shoreline curve model, and fusing wharf geographic information to generate a shoreline visual map with geographic coordinates; establishing a ship coordinate system, converting inertial navigation attitude data into the coordinate system through a rotation matrix and a translation vector, fusing the inertial navigation attitude data with RTK position data, and outputting a high-precision ship pose; fusion data are transmitted through a 5G network, a shore end converts the fusion data into a local plane coordinate system and generates a real-time dynamic visual interface, the real-time dynamic visual interface is pushed to a tug terminal through an RTSP protocol, water diversion operation is assisted, high-precision perception, visual guidance and shore ship cooperation of the ship berthing process are achieved, and the water diversion safety and the intelligent level are improved.

A system for determining minimum and maximum water depth value at a location on a body of water is provided. The system utilizes various data sources, including historical and community-sourced data, environmental data, geographical data, and sensor data, to provide an accurate and dynamic estimation of the minimum and maximum water depth value. By considering multiple factors affecting water depth, such as tides, and weather conditions, the system enables safer navigation. Users can input a location and receive the minimum and maximum water depth value, which is continuously updated based on the latest available data. The system also facilitates route planning by determining the minimum water depth values along a route and providing alerts when necessary, allowing users to make informed decisions and navigate safely. By leveraging diverse data sources, the system provides a comprehensive and reliable solution for determining minimum and maximum water depth values compared to existing systems.

A system for placing a virtual object in an environment of a non-virtual marine vessel is provided, the system comprising: one or more hardware processors configured to: receive an instruction to add a virtual object to a model of the environment used to facilitate one or more autonomous operations of the non-virtual marine vessel; receive information indicative of an object position and object orientation at which to place the virtual object within the environment with respect to the marine vessel; and add data that represents the virtual object to the model, such that an autonomy system of the non-virtual marine vessel identifies the virtual object as a non-virtual object in the environment.

An apparatus and a method for situational awareness of a ship, and a system for identifying unnavigable zones are disclosed. The apparatus for situational awareness of a ship, according to an embodiment of the present invention, can be provided, the apparatus comprising: an input unit for inputting sensing data received from at least one sensor disposed in a marine environment; a processing unit for detecting at least one object on the basis of on the sensing data, matching the object, and fusing location information of the object on the basis of the matching result; and a storage unit for storing situational awareness information of the object in the marine environment on the basis of the fusion result.

A system for monitoring calibration of a vision system on a marine vessel is provided, comprising: cameras configured to be mounted to the marine vessel with an associated field of view (FOV), and each associated with a 3D camera coordinate system; and a processor configured to: determine 3D location information of a candidate feature in a 3D global coordinate system based on calibration information; determine that the candidate feature is within a FOV of both a first and second camera; determine a distance between a corresponding points calculated by the first and second cameras; add an error metric based on the distance to a data structure; calculate a calibration health metric based on error metrics in the data structure; determine that the calibration health metric is indicative of threshold miscalibration; and generate a calibration alert.

A control device for controlling a watercraft includes a position detection module and a positioning module. The position detection module is configured to detect a current position of the watercraft. The positioning module is configured to determine a new position for the watercraft within a delimited region depending on at least one positioning parameter when the watercraft approaches a boundary of the delimited region to within a predetermined distance or a parameterizable distance.

This invention relates to the diagnosis of sedimentation in drainage networks, specifically providing an unmanned underwater vehicle (UUV) based maintenance decision-making method for drainage pipeline sedimentation diagnosis and waterlogging warning. The UUV of this invention consists of an integrated hull inside the pipeline and a manhole box. The integrated hull inside the pipeline includes a Doppler ultrasound module, a three-axis gyroscope, a high-definition infrared camera, a main controller, a deep learning development board, baffles, a cabin cover, a cabin, fins, towing rings, and a navigation interface. The Doppler ultrasound module, three-axis gyroscope, high-definition infrared camera, navigation interface, and deep learning development board are each connected to the main controller. The fins, towing rings, cabin cover, and baffles are connected to the cabin.

The present invention discloses a water surface vehicle sailing safety verification system and operating method thereof. Specifically, the water surface vehicle sailing safety verification system and operating method thereof has a calculating unit, a storage unit and an output unit. The calculating unit uses data from the storage unit to generate obstacle information, and the output unit transmits the obstacle information to a sailing control module which is on a real water surface vehicle. The sailing control module controls the sailing of the real water surface vehicle for obstacle collision avoidance test via hardware-in-the-loop.

The invention relates to the technical field of ship obstacle avoidance navigation. The invention provides an intelligent obstacle avoidance navigation method, device and equipment for a dredging ship and a medium. The method comprises the following steps: synchronously acquiring multi-dimensional sensing data of an operation environment through a plurality of types of sensor groups deployed on the dredging ship; performing obstacle avoidance factor feature extraction and fusion processing on the multi-dimensional perception data to generate an obstacle avoidance factor feature set; performing multi-factor coupling weight reconstruction on the obstacle avoidance factor feature set to generate a dynamic weight distribution result; carrying out space mapping and superposition processing to generate a composite obstacle avoidance potential field; collision-free path planning is carried out based on the composite obstacle avoidance potential field, and a course correction instruction and a speed control instruction are generated, so that the emergency obstacle response efficiency is improved, the path infeasible risk is reduced, the motion smoothness is improved, and the safety is improved. Therefore, the problem that the operation performance is reduced due to local optimal traps, low re-planning efficiency and unsmooth paths in a traditional method is solved.

According to an embodiment of the present invention, disclosed is a berthing control method based on a marker and a wireless communication sensor.

A server device (40) is provided with: an acquisition means (412) for acquiring the degree of fouling in a plurality of regions on the hull surface of a ship; and a calculation means (415) for calculating the frictional resistance of the entire hull using frictional resistance coefficients corresponding to the degree of fouling of the plurality of regions.

A system for controlling a marine vessel comprises an input device for inputting an operator command, a sensor which senses and signals an engine function variable or a vessel dynamic variable, and a first structural element and a second structural element. The first structural element and the second structural element each control speed or direction of motion of the marine vessel, and the first structural element and the second structural element each affect the marine vessel dynamic variable. There is a controller which receives the operator command and the engine function variable or the vessel dynamic variable. The controller moves the first structural element and the second structural element based on the engine function variable or the vessel dynamic variable, after receiving the single operator command.

A route planning device is provided with a display configured to display a chart on a screen, an operation interface configured to specify a position on the screen, a storage configured to store navigation publication related to a book referred to during past route planning in association with the position, a waypoint setting module configured to set a waypoint on the chart in response to a user's operation received by the operation interface, a navigation publication acquisition module configured to acquire navigation publication within a range of the set waypoint as a reference from the storage, and a display control module configured to display the acquired navigation publication on the screen of the display.

The utility model discloses a double-body unmanned ship side scan sonar measurement auxiliary device which comprises a double-body unmanned ship body, a fixing support is installed on the inner wall of the double-body unmanned ship body, a sleeve is installed at the other end of the fixing support, a probe rod is arranged in the inner wall of the sleeve in a sleeved mode, a top handle is arranged at the upper end of the probe rod, and a bottom handle is arranged at the lower end of the top handle. The outer wall of the feeler lever is provided with an up-down adjusting hole, the top end of the top handle is provided with a side-scan sonar data line, the inner wall of the sleeve is provided with a bolt, the feeler lever is provided with a connecting part, the lower end of the connecting part is provided with a semi-cylindrical clamping groove, and the front end of the semi-cylindrical clamping groove is provided with a protruding part. When the auxiliary device for measuring the side scan sonar of the double-body unmanned ship is used, the auxiliary device is made of stainless steel tube materials, is simple in structure, high in universality, easy to install at the center stabilizing part of the double-body unmanned ship, free of shaking during measurement, capable of improving data acquisition quality, low in manufacturing cost, high in applicability and easy to popularize.

The controller 13 of the information processing device 1 is configured to acquire measurement data of a feature measured by a lidar 3 provided on a ship and measurement data of a water surface. In addition, the controllers 13 is configured to acquire information regarding a height of the feature from a river map DB 10. Then, the controller 13 is configured to acquire highest point information IH regarding a height of the highest point of the ship from a reference position of the ship. Then, the controller 13 is configured to calculate a ship highest point height based on the measurement data of the feature, the measurement data of the water surface, the information regarding the height of the feature, and the highest point information IH.

While hull-home and operating in a heading adjustment mode, the control system of the disclosed craft receives indications of a target craft heading and an observed craft heading. Embodiments include determining that the difference in heading is above a threshold, determining an adjusted wing-affixed control setting for affecting a change in the observed heading of the craft based on at least (a) sensed environmental conditions, (b) the initial wing- affixed control setting, (c) the target craft heading, and (d) the observed craft heading; and operating wing-affixed control element(s) according to the adjusted wing-affixed control setting to change the observed heading of the craft to the target craft heading. After determining that the heading difference is not above the threshold heading difference, the wing-affixed control setting is adjusted to forgo affecting further change in the observed heading of the craft.

When a vessel is equipped with a first ship propulsion system and a second ship propulsion system (an electric outboard motor), the system prevents the vessel from moving at high speed while the second ship propulsion system is in a tilted-down position. [Solution] The ship propulsion system 1 includes, for example, a main engine 2 which is an engine-driven outboard motor, an auxiliary engine 6 which is a motor-driven outboard motor, a tilt detection unit 21 which detects the tilt state of the auxiliary engine 6, and a notification buzzer 41 which generates a buzzer sound to inform the operator that the tilt state of the auxiliary engine 6 is tilted down when the tilt detection unit 21 detects that the tilt state of the auxiliary engine 6 is tilted down when the main engine power switch 5 is turned on.

This ship operator warning support system 100 comprises a PWC 102, an information terminal 101 configured to be capable of obtaining current position information I2 and communicating with the PWC 102, and a control unit 15 that performs predetermined control based on the engine rotation speed, a warning application I1 is installed in the information terminal 101, the warning application I1 obtains a cruising speed of the PWC 102 on the basis of the position information I2 and issues a prescribed warning when the cruising speed exceeds a speed limit in a speed limit area A1 where the cruising speed is limited, and the control unit 15 disables the warning so that the warning is not issued even when the cruising speed exceeds the speed limit, but the engine rotation speed is lower than or equal to a threshold rotation speed.

This technology improves the accuracy of predictions using hull models, enabling appropriate ship control. [Solution] The ship control device 10 includes a reception unit 12 that receives navigation instructions, a storage unit 14 that stores multiple hull models, a setting unit 18 that sets a target hull model from the multiple hull models based on the current status of the ship, a generation unit 20 that generates ship control command values ​​based on the navigation instructions and the target hull model, and an output unit 22 that outputs control signals based on the control command values.

The utility model discloses an interactive marine HUD equipment device based on visual identification, including at least one display screen for showing ship information, the display screen sets up on the installation component, be provided with control module, input module and visual identification module on the installation component, be provided with image generation module and interactive information processing module in the installation component, and interactive information processing module and visual identification module electricity is connected, input module, image generation module, interactive information processing module all with control module electricity is connected. Be equipped with input module, control module, image generation module and display screen, make it can convert and show in the display screen to input information, thereby realize the application of HUD technology in the ship, and still be equipped with visual identification module and interactive information processing module simultaneously, make the interactive function between operating personnel and display screen, thereby convenient control HUD equipment.

A marine vessel maneuvering system that is able to avoid a collision with an object includes a controller configured or programmed to function as a judging unit to judge whether or not there is a collision possibility of a collision between an object and a marine vessel, wherein the controller is configured or programmed to execute a deceleration control in response to the judging unit judging that there is the collision possibility.

The purpose of the present disclosure is to set the initial information of the anchoring object (target) of a ship with high accuracy. A ship navigation assistance device according to the present disclosure includes a provisional initial information setting module, a measurement module and a processing module. The provisional initial information setting module may accept a specification of provisional initial information for characteristic information on an object to which a ship anchors or docks (docks to a pier). The measurement module may acquire measurement information on an object using a ranging result of an area including the object.

The invention relates to an amphibious whale road cleaning ship robot, and belongs to the technical field of amphibious garbage cleaning equipment. The robot comprises a buoyancy shell assembly, an opening and a visual collection module are arranged on the front face of the buoyancy shell assembly, and a centrifugal water pump, a garbage collection assembly, a power source and a control module are arranged in the buoyancy shell assembly; two openable sealed cabins are symmetrically arranged on the two sides of the front surface of the buoyancy shell assembly, and a plurality of leg moving assemblies are arranged in each cabin door; propelling devices are arranged on the backs of the buoyancy shell assemblies; the buoyancy shell assembly, the propelling device and the multiple leg moving assemblies enable the robot to be provided with a multi-mode propelling system, can freely move between the water surface and the river bank, is high in maneuverability, can adapt to different terrain environments, achieves efficient and flexible garbage cleaning, can remarkably improve the environment quality of the water surface and the sand beach river bank, and is suitable for popularization and application. And contributions are made to the environmental protection cause.

The invention discloses a water-air amphibious unmanned vehicle which comprises a flight assembly, a navigation assembly and a cabin assembly. The flying assembly comprises two annular supports which are oppositely arranged, supporting rod units are arranged on the two annular supports, first motors are arranged on the supporting rod units, ball screws are arranged on output shafts of the first motors, the ball screws are sleeved with folding support units, and a plurality of propellers are arranged at the ends, away from the first motors, of the folding support units. The navigation assembly comprises two power mechanisms and two gear shifting mechanisms which are oppositely arranged, each power mechanism comprises two gear disc units and a plurality of paddles, each gear disc unit comprises an inner gear ring, a connecting ring and an outer gear ring, and each gear shifting mechanism comprises a fixing support connected with a supporting rod unit and an annular support which are integrally shared. The high-speed maneuvering advantage of air flight is reserved, the water surface navigation operation capacity is enhanced, and the amphibious requirement of an actual combat scene is better met.

The invention discloses a VDES terminal system integrated with a WiFi function and a communication method. The system comprises a VDES terminal and a plurality of mobile terminals, the VDES terminal specifically comprises a VDES main control unit, a first wireless communication unit, a power supply module, a satellite positioning module and an interface unit, and a wireless local area network communication unit is also integrated in the VDES terminal; the VDES terminal receives remote instruction information through the first wireless communication unit, and transmits the remote instruction information to the plurality of mobile terminals through the wireless local area network communication unit; the wireless local area network communication unit receives execution or data sent by the mobile terminal, and the execution or data is sent out through the first wireless communication unit after being processed by the VDES main control unit. The WiFi function is integrated in the VDES, the limitation that the VDES terminal must be fixed in front of a special display when the VDES terminal is operated is abandoned, the operation convenience and the working efficiency are remarkably improved, and the VDES terminal has the advantage of perfectly adapting to the mobility of the ship operation environment.

Kitebar (1) for controlling a kite, with a pole-like bar (1a), to the end sections (5a, 5b) of which control lines for the kite to be controlled are attached or can be attached in an axial direction and on which a display (2) for displaying driving and / or location and / or personal information is provided in the manner of a cockpit, preferably but possibly removable.