300 results about "Bad weather" patented technology

The invention discloses a low-speed unmanned vehicle artificial intelligence decision and performance evaluation system, and belongs to the technical field of low-speed unmanned vehicle scheduling, and the system comprises a generation module which is used for generating a scene novelty index through monitoring the instantaneous offset of an environment parameter; the topology module is used for constructing a dynamic scene topology according to the scene novelty index, and the dynamic scene topology comprises nodes and edge weights generated based on the scene novelty index; the decision-making module is used for converting the edge weight into a decision-making rule according to the dynamic scene topology and generating a decision-making strategy; the performance calculation module is used for tracking the deviation between the vehicle motion parameter and the control instruction during the execution of the decision strategy to calculate a performance disturbance coefficient; and a topology calibration module. The method can effectively adapt to unrecorded edge scenes such as sudden congestion and severe weather superposition, improves the generalization ability of a system to complex scenes exceeding a pre-training range, and reduces decision errors caused by insufficient scene adaptation.

The utility model relates to a submarine cable state on-line monitoring system, which belongs to the technical field of cable protection equipment and comprises a submarine cable temperature monitoring module, a submarine cable breakdown fault response module, a submarine cable surrounding environment monitoring module, a marine monitoring ship body, a submarine cable environment display module and a submarine cable GIS module. Two supports are fixedly installed at the top end of the marine monitoring ship body, and a wireless signal transceiver is fixedly installed at the top of the marine monitoring ship body. The device has the beneficial effects that the two U-shaped frames can be driven to move in the same direction or opposite directions through the rotation of the two-way screw rod, and then the canopy outside the U-shaped frames can be driven to unfold, so that each part on the marine monitoring ship body is prevented from being eroded by rainwater or severe weather, and the service life of the marine monitoring ship body is prolonged. And therefore, protection can be provided for components on the marine monitoring ship body, and the service life of the components on the marine monitoring ship body can be prolonged.

The invention discloses an automobile laser radar point cloud semantic intelligent completion method in rainy and foggy weather, and particularly relates to the technical field of automatic driving perception. The method comprises the following steps: firstly, collecting time sequence point cloud data and inertial navigation information of a vehicle under rain and fog conditions, and constructing a sparse point cloud sequence; then constructing a sparse-semantic tensor graph based on point cloud density drift, echo energy anomaly and a semantic graph, extracting context structure features through a time sequence graph neural network, and generating an affine complement containing affine transformation parameters; further realizing consistent alignment of boundaries by using a semantic drift compensation mechanism, reconstructing a false point cloud complementation frame and fusing the false point cloud complementation frame with the original point cloud, and outputting a semantic complementation enhancement frame; according to the method, the point cloud integrity and semantic precision in severe weather can be improved, the stability of obstacle detection and path planning is enhanced, and the method is suitable for a complex environment sensing scene in an intelligent driving system.

A flying vehicle with folding wings that drives well on the ground and flies well in the air; controlled from inside, it changes from automotive to aircraft configuration without the operator needing to get out of the vehicle. The balance point of the vehicle is located midway between the front and back wheels, providing good handling on the road. In the aircraft configuration with wings unfolded, there is a front wing and a back wing. The incidence of the front wing is controllable, enabling the craft to rotate and take off with a center of gravity located well ahead of the rear wheels. The back wing is fitted with foldable vertical stabilizers near its wing tips. In automobile configuration the wings are folded on top of the body; the wings resemble a roof rack with large surfboards on it. Driven wheels provide motive power on the ground; ducted fans provide thrust for air travel. An autopilot system provides stability and navigation aid, particularly in bad weather or poor visibility. In the roadable configuration, filling water ballast tanks provides additional crosswind stability and crash protection. Also in a roadable configuration, the present invention may be licensed as a three-wheeled motorcycle towing a two-wheeled trailer. In its flying configuration, the invention can be licensed as a Light Sport Aircraft.

The invention belongs to the technical field of photovoltaic equipment, and provides a roof adjustable photovoltaic module for an energy-saving building, which comprises an outer shell, the top of the outer shell is open, a lifting platform is arranged in the outer shell through a lifting assembly, an inclined frame is arranged at the top of the lifting platform through a rotary table, and a plurality of photovoltaic panels are rotatably connected in the inclined frame. A horizontal sliding assembly is arranged at the top of the rotary table and hinged to one edge of the inclined frame, and a pitching adjusting assembly is further arranged between the rotary table and the side wall of the inclined frame. And the control assembly comprises a control unit arranged in the outer shell and a sunlight tracking sensing device arranged on the inclined frame. The problem of projection shielding between the photovoltaic modules can be reduced, and meanwhile the capability of resisting severe weather such as strong wind can be improved.

The invention relates to the technical field of unmanned aerial vehicle control, in particular to an unmanned aerial vehicle adaptive shooting method and system based on multiple sensors and AI, and the method comprises the steps: multi-sensor data collection, deep learning fusion processing, multi-modal exception processing, decision-making layer path planning reinforcement, adaptive shooting precision improvement, and a re-planning mechanism. Compared with the defects that environmental perception is incomplete and the shooting quality is suddenly reduced under complex illumination or severe weather due to dependence on a single sensor in the prior art, according to the scheme of the invention, a multi-mode sensor array (laser radar / millimeter wave radar / illumination sensor and the like) and Transform-GNN deep learning fusion architecture is adopted; joint modeling of obstacle positions, dynamic tracks and illumination distribution is realized; therefore, the dimensionality and precision of environmental perception are remarkably improved, and the unmanned aerial vehicle can still output clear and stable high-quality pictures under extreme conditions of strong light, rain and fog and the like.

The invention provides an outdoor cross-modal robust positioning and navigation method for extreme severe weather, and relates to the field of online positioning and navigation of mobile robots. The method comprises the following steps: acquiring and preprocessing data; generating a path point set based on a CMR network, perfecting the path point set through local trajectory fitting and error optimization, and constructing a path point relative pose measurement-topology hybrid map; motion prior estimation is carried out based on Doppler velocity, effective matching prior estimation is generated in combination with LiDAR odometer information, cross-modal pose estimation is carried out through a CMR network, and a pure tracking strategy and PD controller path point tracking are adopted; and geometric and intensity alignment is carried out on the forward 4D millimeter wave radar point cloud and the omnidirectional 3D laser radar point cloud through a CMR network, a rotation matrix and a translation vector are output, and accurate positioning is completed. According to the invention, the sensing and positioning defects in extreme weather in the prior art are overcome, and the positioning precision and robustness are improved.

The invention discloses a power transmission line insulator severe weather defect detection method based on a YOLOv10-MPM algorithm, and the method comprises the steps: designing different image enhancement strategies to simulate a natural scene based on an original visible light image, and constructing a synthetic data set containing three typical complex weather scenes, namely fog, rain and snow; sequentially dividing the synthetic data set into a training set, a verification set and a test set according to a proportion, and dividing data set labels into flashover, defect and insulator according to defect types; a designed multi-shape coordination attention mechanism MSSA is used for replacing an original point mode space attention module PSA in the YOLOv10n model; a C2f module is improved by using an MOCAA module; pIOU2 is adopted to replace a traditional loss function; carrying out lightweight design on the model by using LAMP pruning; therefore, a YOLOv10-MPM model is constructed; and training the YOLOv10-MPM model based on the training set, and detecting the model by the verification set. According to the method, the detection precision is improved, and the size of the algorithm model is greatly compressed, so that the algorithm model can be conveniently deployed on edge equipment such as an unmanned aerial vehicle.

The present disclosure provides a GNSS signal enhancement method and device based on unmanned aerial vehicle signal relay, relating to the technical field of dam slope monitoring. The method comprises: determining a signal to be enhanced area in the dam slope area; scheduling a first unmanned aerial vehicle cluster to hover and stay in each signal to be enhanced area to form a signal enhancement network; screening a signal blind area based on the signal-to-noise ratio monitored by each network node; scheduling a second unmanned aerial vehicle cluster to the dynamic blind-filling position corresponding to the signal blind area to form a signal blind-filling network; based on the signal enhancement network and the signal blind-filling network, the received GNSS satellite signal is signal enhanced and directionally emitted to the GNSS signal receiver to realize dam slope deformation monitoring. The technical solution can effectively enhance the GNSS satellite signal, improve the stability and accuracy of the GNSS signal receiver in monitoring the deformation of the dam slope area in bad weather.

The utility model belongs to the field of meteorological environment monitoring, particularly relates to a movable meteorological environment monitoring device, and aims to solve the problems that a conventional monitoring device is inconvenient to reinforce and support a supporting rod during monitoring and is easy to shake and unstable when encountering a larger wind direction from the outside, so that the monitoring device is inconvenient to use. In order to solve the problems of influence on accurate monitoring of a monitoring device and collapse and damage of the monitoring device in severe cases, the utility model provides the following scheme that the device comprises a bottom plate, a supporting column is fixedly arranged on the top side of the bottom plate, an open groove is formed in the supporting column, and a lifting column is slidably connected in the open groove. When the device is used, extra supporting force can be provided for the lifting column and the supporting column, it is ensured that under the condition of strong wind or severe weather, the whole device can still be kept stable, the phenomenon that the monitoring device is prone to shaking and instability is avoided, accurate monitoring of the monitoring device is prevented from being affected, and the monitoring device is prevented from collapsing and being damaged in severe weather; and the applicability is improved.

Disclosed is a ground-based radar system (1) for observing space objects (A) in orbit, the radar system (1) comprising at least one transmit antenna (2) for transmitting incident electromagnetic waves (S) and at least one cylindrical parabolic reflector (6), the cylindrical parabolic reflector (6) being fixedly mounted and comprising a reflective outer surface (7) suitable for concentrating the incident electromagnetic waves (S) into a beam of determined pointing direction (D), the reflective outer surface (7) being exposed to bad weather, the radar system (1) comprising at least one de-icing fluidic network (10) extending under the reflective outer surface (7) of the cylindrical parabolic reflector (6), the de-icing fluidic network (10) being controllable between an inactive mode (OFF), and an active mode (ON) in which a de-icing fluid (F10) flows through the de-icing fluidic network (10) in order to de-ice the reflective outer surface (7) so as to preserve the determined pointing direction (D).

The road construction protection device penetrating through the existing subway station comprises a protection vertical plate and a rectangular plate, ventilation holes are formed in the protection vertical plate, an air guide groove is formed in the bottom of the protection vertical plate, an arc-shaped plate is fixedly installed on one side of the bottom of the protection vertical plate, and the rectangular plate is fixedly installed on the arc-shaped plate. Two supporting plates are fixedly mounted on the side, away from the arc-shaped plate, of the protective vertical plate, and a rectangular groove is formed in one side of the protective vertical plate; stone and other heavy objects are placed in the placing groove, the placing stability of the protective vertical plate is guaranteed, in addition, wind can be conveniently guided and ventilated through the arranged vent holes, arc-shaped plates and wind guide grooves, strong wind can be ingeniously prevented from directly and violently impacting the protective vertical plate, the potential threat of wind pressure to the protective structure is greatly relieved, and the protective structure is safe and reliable. And the overall protection effect is further consolidated, the comfort level of the construction environment can be improved, construction obstacles caused by bad weather conditions are reduced, and the project progress and quality are guaranteed.

The utility model discloses a kind of worm disc devices suitable for aerial refueling pipe carrying, driving shaft is provided with the radial protruding limit ring, and the connecting end of driving shaft is provided with shaft sleeve, lead disc is tightly fitted on shaft sleeve, and the end surface of lead disc and the end surface of limit ring abut, shaft hole is opened on shaft sleeve, and the shaft hole of shaft sleeve is installed in by key in the one end of driven shaft, limit protruding ring is further provided on driving shaft, and the shaft rod between limit protruding ring and shaft sleeve forms range-increasing shaft, worm disc is installed with clearance fit on range-increasing shaft, variable-diameter spiral groove is opened on worm disc, and the small diameter end of spiral groove is close to lead disc, and lead hole is opened on lead disc.The utility model has the beneficial effects that: worm disc rotation drives the winding and unwinding of refueling hose, overcome inherent defects of traditional unmanned aerial vehicle in winding and unwinding hose efficiency and stability, and worm disc adopts openwork design, significantly enhance unmanned aerial vehicle in air encounter strong wind and other bad weather, so that unmanned aerial vehicle can maintain accurate flight attitude control in complex and changeable air environment.

The utility model provides a bridge floor stay cable guiding device, which relates to the technical field of stay cable guiding and comprises a guiding assembly, a limiting assembly is arranged at the top of the guiding assembly, a moving assembly is arranged at the bottom of the guiding assembly, side supporting assemblies are arranged on two sides of the guiding assembly, and the guiding assembly comprises a supporting base. And fixing frames are symmetrically mounted at the top of the supporting base. The rotating motor electrically drives the rotating seat to rotate, the rotating seat drives the top plate to turn over, then the top plate is turned over to the position above the guide wheel, when the bridge deck stay cable is installed and constructed, the downward pressing wheel is beneficial to exerting downward pressure on the stay cable, and meanwhile the downward pressing wheel is matched with the stay cable to move on the guide wheel; and the stability of the stay cable in the construction process is guaranteed, so that shaking of the stay cable is effectively reduced, the stay cable is kept in a relatively stable state, and the influence of severe weather such as strong wind on the stay cable is reduced.

The invention relates to the technical field of abnormal behavior recognition, in particular to a front vehicle following method after front vehicle track prediction based on 4D millimeter waves, electronic equipment and a readable storage medium. The problems of curve car following loss, high-altitude misrecognition, untimely deceleration, poor following effect in severe weather and the like are solved, smooth self-adaptive following is realized, the driver experience and driving safety are improved, a specified road track and a speed recommendation value can be obtained through data training, the driver can be assisted to drive according to a recommended route / speed, and the driving safety is improved. A driver does not need to control the vehicle.

The utility model discloses an outdoor waterproof pre-connecting assembly which comprises a connecting assembly, the connecting assembly comprises a first connector, a connecting body and a second connector, one end of the connecting body is fixedly connected with one end of the first connector, the other end of the connecting body is fixedly connected with one end of the second connector, and the surface of the connecting body is sleeved with a sealing rubber ring. According to the outdoor waterproof pre-connection assembly, the connection body is arranged, the product design meets the IP68 waterproof requirement, the outdoor waterproof pre-connection assembly is suitable for the outdoor complex environment, and the stable performance under the severe condition is ensured; according to the high-tension design, compared with the 200N tension requirement of similar products, the product adopts a comprehensive glue filling mode, the tension of the connector is increased to 800N, the wiring reliability of the product is greatly improved, the sealing rubber ring is laid, damage of rainwater and moisture to a transmission optical path in a connecting assembly can be effectively prevented, faults of the optical path are avoided, and the service life of the connector is prolonged. And normal operation of the equipment in severe weather is ensured.

The present application relates to the field of ship navigation technology, in particular to a crew sleep control method suitable for navigation state, in response to a bad weather request for switching the navigation mode of a ship to a bad weather navigation mode, the activity state of personnel in each cabin of the ship is obtained; wherein the personnel activity state at least includes sleep state and wake state, the sleep rating and atmosphere information of each sleep cabin are obtained; wherein the sleep rating reflects the number of personnel in the sleep state in the sleep cabin, and the atmosphere information reflects the environment information in the sleep cabin, and the atmosphere information of the slave sleep cabin is adjusted according to the atmosphere information of the master sleep cabin, so that they are consistent.

The application discloses a kind of offshore bridge section float installation method based on SPMT, the installation method includes the following steps: S1: barge carries bridge section and SPMT reaches the front of installation pier, by dinghy, mooring rope is fixed on pier;S2: barge gradually tightens mooring rope, tail is aimed at the gap between pier;S3: barge winch tail is pulled into the gap between pier, ensure that the tail installation area is enough to accommodate bridge section and SPMT and is fixed using fender and float ball;S4: before installation, remove the bridge section binding, SPMT enters the bridge section below and lifts the bridge section from temporary support, is transported to tail, and is positioned by translation rotation etc. Action carries out bridge section installation position rough positioning.The present application uses SPMT to transport and install bridge section in position, which can achieve millimeter-level fine adjustment, has higher installation precision, reduces the impact of wave impact on barge, ensures the horizontal state of goods when barge is inclined, and reduces the time cost loss caused by bad weather.

1. The name of the design product: high beam strengthening direct lighting system for vehicle. 2. The use of the design product: the strengthened LED auxiliary lamp designed for long-distance lighting, which greatly improves the active safety at night and in bad weather, and the extremely strong brightness and concentrated light column significantly improve the high beam illumination range and penetration. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The application relates to the technical field of overhead transmission line temperature measuring devices, in particular to an overhead line temperature measuring module suitable for severe weather, which comprises a data acquisition unit used for collecting ambient temperature and measuring the temperature of different positions of an overhead line; an overhead line sampling resistance comparison unit used for comparing the temperature values of different positions of the overhead line, determining the collection input voltage of a voltage comparator IC3 after the comparison, taking the ambient temperature as the input reference of the voltage comparator IC3, and finally controlling whether the temperature measuring module alarms through a communication control unit. The alarm threshold of the overhead line temperature overrun of the application can be self-adaptively adjusted along with the temperature change of the environment around the overhead line, the power consumption is low, and the practicability is high.

The utility model discloses an electric engineering steel wire mesh protection structure which comprises a peripheral frame and a rectangular vertical arm fixed to the outer wall of one side of the peripheral frame, positioning columns are arranged at the upper end and the lower end of the rectangular vertical arm, and a steel wire mesh body is installed in the peripheral frame. The top end and the bottom end of the rectangular vertical arm are each provided with an elastic ejection structure connected with the corresponding positioning column, and two symmetrical right-angle frames are installed on the outer wall of the other side of the peripheral frame. The protection height and density can be increased through multi-layer stacking, the occurrence probability of accidental falling events is reduced, particularly under the condition of high-altitude operation or using of heavy equipment, the multi-layer structure provides a more reliable safety barrier, the life safety of constructors is effectively protected, and the safety of the constructors is improved. And through the use of a positioning column, an elastic ejection structure, a right-angle frame, a butt bolt structure and other structures, the multi-layer structure can keep better stability when facing strong wind, severe weather or external impact.

The invention discloses a portable wire spacer convenient to install, and relates to the technical field of electric power fittings. The portable wire spacer convenient to install comprises a fixing disc and a support installed on the surface of the fixing disc, a threaded rod is installed on the side of the surface of a square connecting rod and close to a semicircular groove body, and a fixing hoop is fixedly connected to the end of the outer side of the square connecting rod and close to the semicircular groove body. A first protective gasket is fixedly connected to the inner side face of the fixed clamp, a movable clamping piece is installed at the top end of the fixed clamp and comprises a movable clamp and a second protective gasket, and a semicircular connecting lug is fixedly installed on the side, close to the semicircular groove body, of the surface of the movable clamp; limiting elastic pieces are fixedly installed at the positions, close to the semicircular connecting lugs, of the surfaces of the movable clamping hoops, and U-shaped notches are formed in the ends, away from the movable clamping hoops, of the limiting elastic pieces, so that the anti-loosening purpose is achieved, mounting and dismounting are convenient, the influence of severe weather is reduced, and loosening is not prone to occurring.

The utility model relates to the technical field of knapsacks, and discloses an emergency knapsack which comprises a knapsack body, straps and a waistband, the straps are detachably connected with the knapsack body, the waistband comprises a first belt body and a second belt body, the first belt body and the second belt body are both fixedly connected with the knapsack body, and the first belt body and the second belt body are detachably connected. Emergency supplies are stored in the knapsack body, a user carries the knapsack body through the straps, the waistband is bound on the waist of the user, and the straps are detachably connected with the knapsack body, so that when the user needs to take out the emergency supplies, the straps can be detached to be separated from the knapsack body, and then the knapsack body is rotated to the front side of the user; the emergency supplies are taken out through the mode, in complex terrains or severe weather, a user does not need to unload the emergency backpack on the ground from the body, and operation is convenient.

The invention belongs to the technical field of vehicle suspensions, and particularly relates to equipment for sensing a road surface based on the vibration state of a vehicle suspension, in particular to a road surface sensing system for an unmanned sanitation vehicle and a working method of the road surface sensing system for the unmanned sanitation vehicle. The road surface state is indirectly perceived by detecting light intensity attenuation caused by bending of the optical fiber due to vibration of the suspension, part of high-frequency vibration noise is isolated, the method is extremely sensitive to posture change of the suspension, characteristic light intensity attenuation signals caused by pressing different obstacles can be effectively captured, meanwhile, the detection precision cannot be affected by severe weather, and the detection accuracy is improved. And the sensing requirements of the vehicle on the road surface state in different environments are met.

The application discloses a traffic air command system, and belongs to the field of traffic. The traffic air command system comprises a traffic air command unmanned aerial vehicle, a unmanned aerial vehicle charging flat plate, a vertical telescopic rod, a protective cover and a protective cover lifting device. The protective cover lifting device is used for controlling the lifting movement of the protective cover. The lower end of the vertical telescopic rod is fixedly connected to the ground. The unmanned aerial vehicle charging flat plate is horizontally fixedly connected to one side of the upper end of the vertical telescopic rod. The traffic air command unmanned aerial vehicle lands on the upper end of the unmanned aerial vehicle charging flat plate. The two ends of the protective cover are connected to the vertical telescopic rod through the protective cover lifting device. The protective cover is located on the upper side of the unmanned aerial vehicle charging flat plate, so that the unmanned aerial vehicle can be charged and used for commanding traffic simultaneously, and is not affected by bad weather.

The utility model discloses a detachable and assembled goal, including two edge columns, and the opposite installation of edge column has the top frame, and the opposite installation of top frame has the support rod in two sides of tail end, and the opposite installation of edge column and top frame has the quick release mechanism, and the opposite installation of top frame and support rod has the interval adjusting mechanism, and the installation of anchor matching weight structure is connected with the ground surface layer of edge column. In the utility model, through quick release mechanism, edge column and top frame can be quickly disassembled and assembled, and through interval adjusting mechanism, the adjustment of the direction of support rod can be driven, thereby adapting to different use site requirements, improving practicality, through anchor matching weight structure, the stability of overall structure installation is increased, ground adhesion is increased, goal breakage caused by bad weather is prevented, and safety stability is improved.

The utility model relates to the technical field of road traffic safety, in particular to a road sign device which comprises at least one supporting stand column assembly and a notice board assembly transversely arranged on the supporting stand column assembly. The notice board assembly comprises a notice board main body and a rotating module; one end of the notice board body is arranged on the supporting stand column assembly and fixedly connected with the output end of the rotating module. The rotating module drives the notice board body to rotate with the axis of the supporting stand column assembly as a rotating shaft. The working state and the height of the indication board of the road indication board device can be adjusted, the damage degree of the road indication board device and the indication board caused by severe weather such as strong wind can be reduced, follow-up maintenance of the road indication board device is facilitated, the maintenance efficiency can be effectively improved, and potential safety hazards existing in the maintenance process are reduced; the problems that in the prior art, the height and the position state of an indication board cannot be adjusted and controlled, and the indication board is prone to being damaged are solved.

Embodiments of the present application provide a vehicle control method, an electronic device, an apparatus and a storage medium, wherein the method comprises: acquiring a first road weather index collected by a roadside unit of a target road section; and in a case where the first road weather index is greater than a preset threshold, sending a first instruction to a first type of vehicle, the first instruction being used to control the first type of vehicle to drive into a first type of lane. The vehicle control method provided by the present application acquires the road weather index of the road through the roadside unit, and when the weather condition of the road reaches the control condition, guides the vehicle supporting the automatic driving function and the vehicle not supporting the automatic driving function to drive in different lanes, realizes the early warning of each road vehicle, improves the safety of road travel in bad weather, and ensures the traffic rate of the road.

To provide a harmful bird and animal control system and method which can simultaneously monitor and repel harmful birds and animals and wirelessly feed power to a drone safely and at low cost while ascending and descending in a moored state to a power transmission pole regardless of bad weather such as strong winds and heavy rain, and can also patrol and track harmful birds and animals when necessary. [Solution] By simply erecting a power transmission pole 12 in a bear-infested area, even in bad weather such as strong winds or heavy rain, a drone 11 tethered to the power transmission pole 12 can use the pole 12 as a guide to ascend and descend while monitoring and repelling bears, while simultaneously charging via wireless power supply, without being blown away by wind and rain. This enables safe, low-cost, and continuous bear control. Furthermore, when necessary, the drone 11 can be undone from the power transmission pole 12 to, for example, patrol and track bears, safely driving them back into the forest.