394results about "Collision prevention" patented technology

A navigation route planning apparatus includes processing circuitry configured to receive a planned route indicating a route and a current course direction of a movable body, receive movable body information that includes a position, a travelling direction, and a speed of the own ship, receive obstacle information that includes a position, a traveling direction, and a speed of an obstacle, determine a collision risk value associated with the planned route along the current course direction based on the movable body information and the obstacle information, and determine whether the movable body requires to at least one of evade the planned route and continue traversing on the planned route based on the collision risk value.

Disclosed is an intelligent ship navigation path generation method based on visual and spatial semantic enhancement for an aid to navigation, including: identifying the aid to navigation around a ship and determining a current position of the ship; obtaining a navigable area of the ship based on semantic information of the aid to navigation; removing portions that overlap with high risk areas from the navigable area; selecting a next position of the ship from the navigable area; and repeating the above steps to make real-time corrections to the ship's navigation path.

A method for a collision avoidance system of a host marine vessel, and to updating vessel classifications and navigational statuses of marine vessels.

A navigation assistance system using a plurality of sensors according to an aspect of the present disclosure includes a display configured to provide a monitoring image, a sensor unit including at least one sensor, a memory in which at least one program is stored, and at least one processor configured to execute the at least one program, wherein the at least one processor obtains image frame information of an object using a first sensor, calculates information about the object using a second sensor, calculates a risk of collision between a host ship and the object by fusing the image frame information of the object and the information about the object, and determines an avoidance path based on the calculated collision risk.

A system comprising one or more processing circuitries configured to: obtain a plurality of images of at least one marine object, acquired by an imaging device of a marine vessel; use at least some of the plurality of images to determine: data Dbearing informative of a direction of the at least one marine object, and data Dimension informative of one or more dimensions of the at least one marine object in the at least some of the plurality of images; and to use data Dbeanng and data Dimension to determine at least one of: data informative of a collision risk between the marine vessel and the marine object, data informative of a closest point of approach between the marine vessel and the at least one marine object, or data informative of a time to the closest point of approach between the marine vessel and the at least one marine object.

The present disclosure relates to a ship safety control method and ship safety control system. According to an embodiment of the present disclosure, the ship safety control method may include determining a sea condition in an area, in which a ship is located, based on a video feature of a first video of a ship situation, preprocessing the first video based on the sea condition, designating a control area in a second video based on the second video generated through the preprocessing, and detecting at least one of an object and occurrence of an event within the control area.

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 utility model discloses a safety management device for a water transportation channel, which structurally comprises a ship body, and grooves are formed in two sides of the ship body; and the control assembly comprises a servo motor, the output end of the servo motor is in driving connection with a driving gear, the surface of the driving gear is meshed with a chain, and the surface of the chain is meshed with a driven gear. When the ship is used and a ship route is smooth, the turnover plate is erected and embedded into the groove, the anti-collision plate protects the internal air bag and the prevention and control assembly to prevent the air bag from being scratched by stones and the like, and when stormy waves occur, the control assembly drives the turnover plate to rotate to be flatly spread on the water surface to increase the width of the ship body, so that the ship body is prevented from being scratched by the stones and the like. The airbags are inflated through the inflation pump, the buoyancy of the ship body is increased, and therefore the balance and stability of the ship are improved, the inflation amount is controlled through the prevention and control assembly when the airbags are inflated, and the situation that the airbags are broken due to the fact that the inflation amount in the airbags is too large is prevented.

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

The present disclosure discloses a method for target assignment and route planning for multi-agent unmanned surface vehicles (USVs). Task information is transmitted to a task allocator, which identifies unassigned targets and available USVs. Based on a comprehensive cost function considering navigation distance and turning penalties between targets and USVs, a target is assigned to each USV A path planner then generates a smooth waypoint sequence for each assigned USV and target pair, serving as the navigation path. During navigation, a navigation controller constructs a velocity optimization model according to cooperative collision avoidance and maritime boundary constraints, and controls the USVs in real-time to navigate along the waypoint sequences. The present disclosure achieves efficient matching of multiple targets and multi-agent USVs, generates smooth navigation paths satisfying constraints, and enables intelligent navigation control while meeting cooperative collision avoidance requirements and maritime boundary constraints.

A ship navigation assisting device includes: an area setter 304 that sets, for a target ship, a polygonal safe navigation area defined by a plurality of vertices and surrounding the target ship; a collision point calculator 305 that calculates, based on a speed of the own ship, a relative position between the own ship and the target ship, and a velocity vector of the target ship, collision points between each of the plurality of vertices constituting the safe navigation area and the own ship; and a collision danger area calculator 306 that connects the plurality of collision points calculated by the collision point calculator 305 to calculate a collision danger area.

The utility model relates to the technical field of floating pipes, in particular to a multi-layer partition type plastic pipe which comprises a floating pipe, a plurality of connecting rings are fixedly arranged on the outer side of the floating pipe in a sleeved mode, two plastic protection plates are installed between every two adjacent connecting rings and protect the floating pipe, a plurality of bolt holes are formed in the surfaces of the connecting rings, and the connecting rings are connected with the two plastic protection plates. When the two floating pipes are spliced in an end-to-end mode, bolts penetrate through the bolt holes in the surfaces of the connecting rings at the ends of the two floating pipes. The pipe has the beneficial effect that the connecting ring plays multiple roles in the pipe. When the two floating pipes are spliced in an end-to-end mode, bolts can penetrate through the bolt holes in the surfaces of the connecting rings, the connecting rings at the ends of the two floating pipes are fixed together, at the moment, the connecting rings serve as flanges when the two floating pipes are connected, and rapid and reliable splicing of the floating pipes is achieved. When the plastic protection plate is installed, the assembling grooves in the two sides of the connecting ring provide installation positions for the plastic protection plate.

The utility model relates to the technical field of traffic transportation equipment safety protection, in particular to an anti-collision plate for traffic transportation equipment, which comprises a first connecting rod and a second connecting rod, and screws are connected to the upper sides and the lower sides of the front ends of the first connecting rod and the second connecting rod in a penetrating manner. The inner side faces of the first connecting rod and the second connecting rod are jointly and fixedly connected with a protective outer layer, a buffer middle layer and a connecting inner layer, four reflective marks are arranged at the front end of the protective outer layer, and the front inner wall face and the rear inner wall face of the buffer middle layer are jointly and fixedly connected with a plurality of buffer springs. Buffer cotton is arranged at the front end of the connecting inner layer. According to the anti-collision plate for the traffic and transportation equipment, the buffer springs are arranged in the buffer middle layer, and the buffer cotton is arranged at the front end of the connecting inner layer, so that the situation that local stress is too large can be avoided. The buffering cotton further plays a role in auxiliary buffering and can absorb energy which is not completely absorbed by the spring.

The utility model discloses a hydrological monitoring buoy which comprises a floating body and a buffering mechanism, and a buffering cavity is formed in the outer side of the interior of the floating body. The buffering mechanism comprises H-shaped seats, first connecting rods, U-shaped seats, sliding seats, limiting columns and springs, the H-shaped seats are evenly distributed on the side wall, away from the center of the floating body, of the buffering cavity, the upper sides and the lower sides of the interiors of the H-shaped seats are rotationally connected with the first connecting rods through pin shafts, and the ends, away from the H-shaped seats, of the first connecting rods are rotationally connected with the U-shaped seats through second pin shafts; the sides, close to the center of the floating body, of the U-shaped bases are fixedly connected with sliding bases, limiting columns which are evenly distributed are arranged in the buffer cavity, the sliding bases are slidably connected between the two adjacent limiting columns, and the upper ends and the lower ends of the outer surfaces of the limiting columns are movably sleeved with springs. The impact force borne by the hydrological monitoring buoy when the hydrological monitoring buoy encounters an accident is reduced through the buffer mechanism, and damage to the hydrological monitoring buoy is reduced.

The invention discloses a double-floating-pipe truss floating body structure suitable for an offshore floating type photovoltaic platform, and relates to the technical field of offshore photovoltaic power generation, the double-floating-pipe truss floating body structure comprises two double-floating-pipe truss assemblies, each double-floating-pipe truss assembly comprises two bottom round steel pipes, a plurality of vertical face inclined web round steel pipes are fixed to the outer surfaces of the two bottom round steel pipes, and the vertical face inclined web round steel pipes are fixed to the outer surfaces of the two bottom round steel pipes. Every two adjacent facade inclined web round steel pipes form a group, and facade straight web round steel pipes are fixedly welded between the outer surfaces of the facade inclined web round steel pipes in each group; according to the double-floating-pipe truss floating body structure suitable for the offshore floating type photovoltaic platform, the steel consumption is reduced, and meanwhile, the peripheral floating pipes have enough thickness to cope with the impact of offshore floating ice on the whole floating type photovoltaic platform in winter; therefore, the effect of protecting the internal floating body structure is achieved.

This invention relates to the field of ship collision avoidance technology, and discloses an intelligent active collision avoidance system and method for ships. The system includes a sensing module, a control and decision-making module, and an execution module. The sensing module collects distance, outline, and micro-motion data of obstacles around the ship. The control and decision-making module identifies impending collision threats and predicts the timing of a collision based on the data, generating an airbag trigger response strategy that matches the timing of the collision. The modular airbag unit of the execution module is normally flat and close to the hull, and can rapidly inflate to a preset shape before a collision, forming a buffer protection structure adapted to the collision intensity. This invention achieves proactive, intelligent, and precise ship collision avoidance. The buffer performance can dynamically adapt to the collision intensity, and the modular design facilitates maintenance and expansion, significantly improving collision safety and navigation economy in scenarios such as berthing and unberthing.

The invention discloses an anti-collision mechanism of a high-impact-resistance ship bow, and relates to the technical field of ship bow protection, the anti-collision mechanism comprises a bulbous bow, the end face of the bulbous bow is fixedly connected with a bow, the bulbous bow is internally provided with an impact cavity and a gas gathering cavity, the impact cavity is internally and fixedly connected with a reinforcing beam, the reinforcing beam is provided with a communicating hole, and the communicating hole is communicated with the gas gathering cavity. The bulbous bow has the advantages that the bulbous bow and the bow can be fully sealed, seawater or fresh water is prevented from flowing backwards, an alloy steel structure in the bulbous bow is prevented from being corroded or oxidized, the maintenance difficulty of the bulbous bow and the bow is reduced, the impact loss is further reduced, meanwhile, the bulbous bow is not prone to falling off, and the service life of the bulbous bow is prolonged. According to the anti-collision bulkhead, the collision loss is reduced, meanwhile, direct collision between the anti-collision bulkhead and an obstacle is avoided, the anti-collision bulkhead is not prone to being damaged, the safety of a ship is greatly improved, the sealing performance and the adsorption strength can be automatically adjusted according to the collision degree, the load at the welding position is prevented from being increased, and meanwhile the expected effect can be fully achieved.

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.

The utility model belongs to the technical field of ship berthing buffering devices, and particularly relates to a buffering device for ship berthing, which is strong in pressure reduction effect and comprises a mounting plate, a baffle and a rear seat, the baffle and the rear seat are arranged on the front side and the rear side of the mounting plate, a buffering mechanism is arranged in front of the rear seat, and a force unloading mechanism is arranged behind the baffle. The buffering mechanism comprises a third telescopic rod, an upper spring cushion, a second sliding block, a second spring, a narrow sliding block, a sliding groove, a first mounting base, a movable plate, a second mounting base, a first buffering spring, a lower spring cushion, a sliding plate, a third spring cushion, a second buffering spring and a fourth spring cushion. According to the buffering device with the strong pressure reduction effect for ship docking, through the arrangement of the buffering mechanism, impact force generated after ship docking can directly act on a rubber fender, and then through compression of a first buffering spring and a second buffering spring and cooperation of compression of first springs on the two sides, the buffering effect is good; and under the action of restoring force of the first buffer spring, the second buffer spring and the first springs on the two sides, the impact force is rebounded, and therefore the high pressure reducing effect is generated on the impact force.

A method for providing an electronic lookout function for an ego vessel is described. The method comprises receiving first low-effective-resolution image data from a first camera arrangement of the ego vessel, receiving first high-effective-resolution image data from a second camera arrangement of the ego vessel, checking whether there is any object on the water surface within the circular sectors depending on the low- and high-effective-resolution image data, and generating and outputting an object presence signal when an object is detected on the water surface within the circular sectors.

The utility model relates to a self-righting inflatable rubber boat and belongs to the technical field of rubber boats, the overall structure is simple, the anti-impact effect of a rubber boat main body is effectively improved, and compared with the prior art, the rubber boat main body can be prevented from rolling over after being impacted, a user is prevented from falling into water to be injured, and the service life of the rubber boat is prolonged. The rubber dinghy guarantees personal safety of a user, is high in use safety and good in practicability and comprises a rubber dinghy body. The two mounting plates are detachably connected to the outer wall of the rubber dinghy main body, three supporting rods are fixedly connected to the mounting plates, and the other ends of the three supporting rods are fixedly connected with a strip-shaped plate; the floating mat main bodies are detachably connected to the strip-shaped plates; and the two protection mechanisms are correspondingly arranged at the front end and the rear end of the rubber dinghy body correspondingly and used for conducting anti-collision protection operation on the rubber dinghy body, and each protection mechanism comprises four rubber connecting columns.

The application provides an anti-explosion underwater soft robot, and belongs to the field of robots.The problem that high transient energy of underwater explosion easily causes damage to internal components and circuits is solved.The anti-explosion underwater soft robot comprises a flexible circuit layer, a plurality of circuit modules are arranged on the flexible circuit layer, and the circuit modules are flexibly connected; a non-Newtonian fluid buffer layer is wrapped outside the flexible circuit layer; an elastic buffer layer is wrapped outside the non-Newtonian fluid buffer layer; and a driving unit is connected with the elastic buffer layer and used for driving the robot to move.The anti-explosion underwater soft robot is mainly used for underwater safety detection and underwater resource exploration.

The utility model belongs to the field of ocean transportation technology relates to a kind of intelligent anti-collision early warning equipment when ship berthing, including transport ship, the transport ship outside is fixed with multiple groups of driving module, the utility model is cooperated by the use of protection component and damping component, so that when transport ship is berthed, by anti-collision block, transport ship is separated from wharf, the loss caused to wharf and transport ship when impacting is reduced, the protection shell is used to protect anti-collision early warning module, so that the device is protected during non-use, reduce the possibility of anti-collision early warning module damage or service life reduction caused by sea wind and wave, further, by the cooperation of spring telescopic link, limit bead, cooperation groove, the inside of protective door A is more stable and reliable in closed state, further increase the protection of protection shell to anti-collision early warning module, increase the practicability and reliability of device.

The application relates to the technical field of ship engineering, and discloses a wave-blocking water-tight structure for a ship, the ship comprising a bow house deck, the bow house deck being provided with deck machinery, and comprising the following components: a wall plate assembly, which is installed on the bow house deck; and a wave-blocking shell, which is installed on the bow house deck, the rear end of the wave-blocking shell being connected to the wall plate assembly, the wave-blocking shell, the wall plate assembly and the bow house deck jointly defining a protection cavity, and the deck machinery being accommodated in the protection cavity. The wave-blocking water-tight structure for the ship can effectively improve the sealing performance of the bow house deck area, realize all-around protection of the deck machinery, and optimize the buoyancy distribution and the navigation stability of the ship.

The utility model provides an auxiliary berthing device for a large ship. The auxiliary berthing device comprises a mounting frame and a sliding rail arranged on the mounting frame. The moving part is mounted on the sliding rail and used in cooperation with the sliding rail, so that the moving part can move in the transverse direction of the sliding rail; the pushing and lifting assembly is arranged on the moving part, and the buffering plate fixedly connected with the pushing and lifting assembly is pushed to move through the pushing and lifting assembly; the air bag is installed on the buffer plate in a welded mode, and an inflation inlet used for being connected with an inflation device is formed in the air bag; the quick release mechanisms are located on the end faces of the two side portions of the air bag, the air bag is connected with a connecting rope through the quick release mechanisms, the connecting rope is wound, knotted and connected with multiple sets of tires, and the multiple sets of tires are evenly distributed in the transverse direction and the longitudinal direction of the air bag. The anti-collision device is simple in overall structure, convenient, fast and practical, the tires and the air bags are used in cooperation, then impact force borne by a ship in the berthing process can be effectively reduced, and secondary damage to a ship body is prevented.

This utility model discloses an unmanned surface vessel (USV) protection device, including a crash barrier structure installed on the USV. The crash barrier structure is equipped with several pushing and squeezing crash barriers. Each pushing crash barrier structure includes a hinged push rod structure hinged to a stop rod structure. The stop rod structure has several angled stop wheel structures installed on it. The push rod structure pushes the stop rod structure to flip so that the stop wheel structures roll against the edge of the mooring dock, preventing the USV from colliding with or scraping against the edge of the mooring dock. This structure provides protective mooring for the USV during berthing, increasing its safety.

The utility model belongs to the technical field of excursion boat, concretely relates to an unmanned excursion boat, the unmanned excursion boat of the application includes: excursion boat body, both sides of excursion boat body top are all fixedly connected with device box, one pair of side holes are set up in the side wall of device box, the inner chamber of side hole is provided with anti -collision pulley, the middle part of excursion boat body inner wall is installed with motor, the output shaft of motor is connected with screw rod, the screw rod is screw connected with telescopic plate, the anti -collision pulley and telescopic plate between be provided with buffer and convenient dismantlement spare, the utility model discloses through motor drive screw rod rotation, let telescopic plate drive anti -collision pulley slide, realize the telescoping of anti -collision pulley at device box side hole place, thereby can be according to the extension range of the expansion of anti -collision structure of barrier distance adjustment, effectively promote the traffic capacity of narrow water area, the spring cooperation in buffer member and moving disc, can absorb impact force through compression spring when colliding, enhance the buffering effect.

The utility model discloses an anti-collision buffer structure for a port tug, which belongs to the field of anti-collision buffer structures and comprises a fixing part. The fixing piece comprises a hooking plate, and the upper part of the hooking plate is U-shaped; a plurality of threads of the threaded rod penetrate into the hooking plate; the rotating wheel is arranged at one end of the threaded rod; the abutting block is arranged at the other end of the threaded rod; the buffer part I is arranged on the front side of the fixing part; the buffer piece I is used for buffering forward impact force and lateral friction force; the mounting plate is arranged on the front side of the buffer piece I; the buffer part II is arranged on the front side of the mounting plate; the second buffering piece is used for buffering forward impact force and vertical friction force. According to the port tug anti-collision buffering structure, the first buffering piece and the second buffering piece are arranged, impact force can be buffered, meanwhile, generated friction force can be buffered, the impact force is further reduced, and meanwhile the situation that the structure is damaged due to the fact that stress is too large is avoided.

The objective of the present invention is to calculate a safety score of each event through various evaluation indexes corresponding to dangerous situations (events), on the basis of navigation record data of a ship, and calculate a navigation safety score on the basis of the event safety scores.

This invention provides an automated ship handling system and ship control method that can perform appropriate ship handling according to the situation. [Solution] The automatic ship handling system (2) includes a ship (1) with a propeller (20), a steering device (30), a position sensor (46), a camera (44) that takes images of the area around the ship, and a controller (41) that performs automatic ship handling control to control the propeller and steering device for automatic ship handling from the departure point to the destination. The automatic ship handling control includes camera ship handling control, which controls the propeller and steering device by performing recognition processing on images acquired by the camera, and position sensor ship handling control, which controls the propeller and steering device based on position information acquired by the position sensor. If the position sensor fails within a predetermined water area where automatic ship handling is possible using only camera ship handling control, the controller directs the ship to a predetermined target position within the predetermined water area where the failure occurred using camera ship handling control.