812 results about "Ground support" patented technology

The invention relates to an autonomous navigation method for lunar satellite formation and a second-order filtering navigation architecture, and the autonomous navigation method comprises the steps: obtaining orbit prediction information based on a kinetic model of the lunar satellite formation, and obtaining collaborative theory observation information based on a collaborative observation model, carrying out fusion processing on orbit prediction information, collaborative theory observation information and multi-source observation data of in-orbit observation by using an extended Kalman filtering algorithm, and estimating an absolute orbit state of the lunar satellite formation; establishing a relative motion model of the slave satellite under the local coordinate system of the master satellite, and establishing a relative measurement model; and taking the absolute orbit state of the master satellite as a reference datum, obtaining a preliminary prediction relative orbit state based on the relative motion model of the slave satellite, and obtaining relative measurement data including distance measurement and angle measurement based on the relative measurement model, and fusing the relative measurement data and the preliminarily predicted relative orbit state through an extended Kalman filtering algorithm to estimate the relative orbit state of the slave satellite. Navigation may be independent of ground support.

The utility model discloses a ground supporting wheel type inspection robot for a wave-shaped guardrail. The inspection robot comprises a wave-shaped guide wheel mechanism, a driving wheel mechanism, a ground supporting wheel mechanism and a shell, the wave-shaped guide wheel mechanism is mounted to the shell, the wave-shaped guide wheel mechanism comprises at least one set of wave-shaped guide wheels, each wave-shaped guide wheel is provided with a wave-shaped profile matched with the wave-shaped structure of the wave-shaped guardrail, and each set of wave-shaped guide wheels is configured to roll along one wave-shaped structure of the wave-shaped guardrail; the driving wheel mechanism is mounted to the shell and comprises at least one walking driving wheel which is configured to be in contact with the rolling surface of the wave-shaped guardrail; the ground supporting wheel mechanism is mounted to the shell and comprises a plurality of ground supporting wheels; the inspection robot is configured to be driven by the driving wheel mechanism to walk along the wave-shaped guardrail; the inspection robot is installed on the wave-shaped guardrail in the mode that the inspection robot and the upper edge of the wave-shaped guardrail are arranged in a spaced mode. By means of the inspection robot, invasion and occupation of roads or construction areas are avoided.

Systems, devices, and methods for a ground support system for an unmanned aerial vehicle (UAV) including: at least one handling fixture, where each handling fixture is configured to support at least one wing panel of the UAV; and at least one dolly, where each dolly is configured to receive at least one landing pod of the UAV, and where each landing pod supports at least one wing panel of the UAV; where the at least one handling fixture and the at least one dolly are configured to move and rotate two or more wing panels to align the two or more wing panels with each other for assembly of the UAV; and where the at least one dolly further allows for transportation of the UAV over uneven terrain.

The invention provides an airport parking space allocation method and system based on gridding space-time layering, and the method comprises the steps: building an airport space-time grid model through obtaining and space-time correlation analysis of multi-source basic data, such as real-time flight dynamic data, parking space physical attributes, historical operation efficiency and ground guarantee resource states; then, on the basis of multi-level feature constraint fusion, adaptive weight dynamic adjustment and sparse constraint low-dimensional reconstruction, adaptive optimization facing complex space-time requirements and delay disturbance is achieved, and an airport parking space distribution matrix is obtained; generating an anti-conflict camera configuration set in combination with dynamic coupling and conflict verification of ground support resources; and finally, through physical constraint real-time inspection and historical efficiency mode matching, generating an optimal distribution matrix of the airports, so that the overall use efficiency and the operation guarantee capability of airport airport resources are remarkably improved, and the airport operation efficiency and the service quality are improved.

The invention discloses a civil aviation airport ground guarantee resource scheduling method and device and a medium, and relates to the technical field of artificial intelligence, and the method comprises the steps: obtaining a real-time flight plan, and constructing a guarantee resource coupling network based on the real-time flight plan and a predefined guarantee flow rule base; performing conflict prediction and conflict influence analysis on the guarantee work of the future flight by traversing the guarantee resource coupling network, and generating a structured conflict early warning report; triggering an on-demand scheduling mechanism of a virtual resource pool for querying and allocating available resources on demand according to the structured conflict early warning report, querying available shared guarantee resources in the virtual resource pool, and generating a conflict resolution scheme which can be directly executed; and executing the conflict resolution scheme, monitoring an execution result through the Internet of Things data, feeding back the execution result to the guarantee resource coupling network, and calibrating a duration parameter in the guarantee resource coupling network. Through the constructed support resource coupling network, the prospective performance and the cooperative robustness of ground support scheduling are improved.

The invention relates to the technical field of conflict detection, in particular to an airport support vehicle conflict diagnosis method based on digital twin driving. Comprising the following steps: acquiring attribute information of an airport object, and generating a corresponding digital twin monomer in a twin space; associating the digital twin monomers according to the service logic to form a flight ground support twin service; identifying guarantee conflicts, acquiring conflict occurrence time, places and reasons, and performing conflict analysis; adjusting the guarantee plan, and performing simulation deduction; through the implementation of the mode, a guarantee service process with real-time data interaction is provided, the number of guarantee service conflicts is reduced, and the dynamic adjustment capability of a scheduling plan is improved.

The invention relates to an automatic order dispatching method based on civil aviation airport aircraft ground support, which adopts a dynamic causal relationship identification module based on a Bayesian network, and combines a context awareness module of a convolutional neural network (CNN) and a long short-term memory (LSTM) network to improve prediction accuracy and task allocation efficiency. An improved multi-objective optimization algorithm is combined with a genetic algorithm and a particle swarm optimization algorithm, and a dynamic weight adjustment mechanism is introduced, so that self-adaptive optimization configuration of resources is realized. A path planning algorithm combining multi-level A * search and deep reinforcement learning can adjust a path in real time and dynamically avoid obstacles, and the system enhances real-time response capability and decision accuracy through a self-learning algorithm based on a depth deterministic policy gradient (DDPG) and a comprehensive decision support system based on a graph neural network (GNN). According to the method, the operation efficiency, the safety and the emergency response capability of the airport ground guarantee service are improved.

The invention discloses an airport ground guarantee work key time node automatic identification method and device, and relates to the technical field of image processing, and the method comprises the steps: inputting each airport scene image in an airport scene monitoring video into a trained target detection model, obtaining category information and position information of behavior subjects in each airport scene image; by using a target tracking model, according to category information and position information of key time node behavior subjects in all airport scene images, determining space-time motion information and confidence of each behavior subject in the airport scene monitoring video; and inputting the category information, the space-time motion information and the confidence coefficient of each behavior subject in the airport scene monitoring video into a trained dynamic graph attention model to obtain an identification result of the airport scene ground support work key time node. According to the invention, the accuracy and efficiency of important ground guarantee working time node identification in the airport scene image are improved.

The utility model relates to a gradiometer for water conservancy reconnaissance, which belongs to the technical field of water conservancy reconnaissance and comprises a gradiometer body, an observation device for observing the gradient angle is arranged on the upper side of the gradiometer body, and a supporting device for supporting the ground is arranged in the gradiometer body. The observation device comprises a supporting frame fixedly connected to the middle of the upper side of the gradiometer body, a bearing rotationally arranged on the front end face of the upper side of the supporting frame in a sleeving mode, a pointer rotationally arranged on the outer side of the bearing in a sleeving mode, a dial fixedly connected to the upper side of the supporting frame and four springs fixedly connected to the back of the pointer. According to the gradiometer for water conservancy investigation, the two-way driving motor drives the two threaded blocks on the outer side of the threaded rod to get close to each other, the industrial suction cup is attached to the ground under adjustment of the connecting rod, the suction pump is started to achieve negative pressure in the industrial suction cup, and therefore the gradiometer is adsorbed to the surface of an object, and the supporting and limiting effects on different slopes are effectively improved.

A truck bed mounted carrier system includes a frame assembly installable in a truck bed with lateral supports and outer main supports, inner supports that slide within the outer main supports, a center outer support, and a second inner support that slides within the center outer support. A carrier frame coupled to the frame assembly extends from and retracts into the truck bed, supported by radius supports that provide structural integrity when extended. The system features a pulley assist mechanism with gas springs that creates a counterbalance force, a mechanical drive assembly with sprocket and roller chain for movement control, and deployable transport stands for ground support during loading operations. Adjustable bed rail struts with locking mechanisms secure the system to the truck bed without permanent modification. Low-friction materials and strategically positioned slides ensure smooth operation throughout the extension and retraction cycles.

The invention provides a novel global satellite navigation system architecture which provides various services through an integrated mixed constellation comprising GEO, IGSO, MEO and LEO satellites. A space-based communication and measurement network is constructed through an inter-satellite link, so that ground operation management and observation resources are simplified; under the support of a measuring part, the building and maintaining capability of a space-based space-time reference is enhanced based on an inter-satellite link, so that the dependence on the ground is reduced; based on a low-orbit navigation signal, signal availability and anti-interference and anti-cheating capabilities are improved through communication assistance. The system analyzes the characteristics and physical limits of the existing GNSS architecture, and defines the constraint factors for further improving the GNSS performance. On the basis, a GNSS architecture combining a measurement communication network, a high-orbit mixed constellation, a medium-orbit mixed constellation and a low-orbit mixed constellation is provided based on inter-satellite link construction. The global decimeter-level high-precision and high-credibility PNT service can be realized under the support of the extremely simple ground, and the user experience is stably upgraded.

A free-standing accessory stand that includes a ground support portion and an enclosure is provided. The enclosure is disposed about a central axis of the accessory stand. The upper surface faces away from the ground support. The accessory stand includes a retractable accessory support that has an outer surface projecting away from the enclosure in a first configuration. A mounting space is provided along the outer surface of the retractable accessory support above the upper surface of the enclosure. The outer surface is retracted in a second configuration.

The invention relates to the technical field of surveying and mapping equipment, and discloses a surveying and mapping instrument with soft and hard ground switching dual-mode supporting legs, the surveying and mapping instrument comprises a debugging platform and a surveying and mapping instrument body, and a multi-stage horizontal adjusting assembly for rapidly adjusting and leveling the surveying and mapping instrument body is arranged between the debugging platform and the surveying and mapping instrument body. The bottom of the debugging platform is provided with at least three sets of supporting leg assemblies, and the bottoms of the supporting leg assemblies are detachably provided with switching discs through separation assemblies. The first soft ground supporting assembly and the second soft ground supporting assembly are adopted to be used according to different soft ground conditions, short-term effective supporting of the tripod is achieved, rapid installation of the switching disc and positioning of the hard ground supporting assembly, the first soft ground supporting assembly and the second soft ground supporting assembly are achieved through the separation assembly, and therefore the switching disc can be conveniently and rapidly installed. And for different use environments, adjustment is carried out when the switching disc is installed, and the operation is simple and convenient.

The invention provides a wheel-paddle integrated multi-mode land-air amphibious transformation robot, and relates to the technical field of aerial robots, the robot comprises a robot main body, and the robot main body is used for controlling the robot to realize land-air amphibious transformation, air flight and land walking; the wheel-paddle integrated mechanism is formed by combining two parts, namely a land walking mechanism and an air flying mechanism; the mechanical arms are connected to the four corners of the robot body, and the other ends of the mechanical arms are connected with the wheel-paddle integrated mechanism through servo push rod mechanisms. The deformation mechanism adopts a bistable locking mechanism driven by a servo electric push rod, a stable mechanical self-locking mechanism is constructed while the axial thrust of the push rod is kept, conversion between a flight folding state and a ground supporting state can be completed only through instantaneous driving, the wheel-propeller integrated mechanism adopts a propeller and protective driving wheel composite structure design, and the structure is simple and convenient. And a power decoupling system of the non-rotating core module and the rotating execution mechanism is constructed.

The process and apparatus for tension stringing a conductor through above-ground supports uses a length of rope affixed to the conductor wound on the tensioning machine and pulled by the puller machine. Each of the first and second stringing apparatuses includes an onboard control system which controls each of the first and second stringing apparatuses in pulling mode or in tensioning mode. Each of the first and second stringing apparatuses includes a motor / regenerative brake or other means of inducing tension into the conductor. Each of the machines includes a wireless transceiver which is hard-wired to said onboard control systems. A first operator resides on the puller machine and selects the machine as a puller machine operating in pulling mode using an onboard control system. An observer resides on the tensioner and selects the second machine to be the tensioner. Each of the wireless transceivers communicates with the other wireless transceiver enabling control of both the machines by the onboard control system of the puller machine.

The invention provides a flight ground guarantee data filling model construction method, which comprises the steps of constructing a data filling model, comprising a time sequence position coding module, a topological feature coding module, a mask matrix generation module, a time sequence matrix generation module, a first splicing module, a feature fusion module, a pre-filling matrix generation module, a second splicing module, a filling module, a first updating module, a third splicing module, a reconstruction module, a weighted fusion module and a second updating module. Obtaining an initial time sequence characteristic matrix set R based on the original data in the set time period, and dividing the R into a training set, a verification set and a test set according to a preset proportion; training the initial data filling model by using the training set to obtain a trained data filling model; and verifying the trained data filling model by using the verification set, and testing the final data filling model by using the test set. According to the invention, the data filling accuracy can be improved.

The invention relates to the technical field of airport resource management, in particular to an airport ground support resource dynamic optimization method and system based on digital twinning, and the method comprises the steps: analyzing an airport business process knowledge graph, and fusing multi-modal data to construct a generative digital twinning model; performing multi-scene simulation deduction and multi-target optimization based on the generative digital twin model to generate a long-term planning scheme; during the execution period of the long-term planning scheme, monitoring the deviation between the actual operation data and the scheme predicted value, and performing dynamic adaptive adjustment on the long-term planning scheme; and combining a long-term planning scheme with real-time operation data to provide decision support, evaluating an optimization effect, and taking an evaluation result as feedback to iteratively optimize the generative digital twinborn model. According to the method, the generation type digital twinborn model is constructed, and a double-layer closed-loop optimization mechanism of long-term planning and short-term correction is established, so that the overall efficiency and punctuality rate of airport ground guarantee and the toughness of coping with emergencies can be effectively improved.

The present invention provides a broadband filtering unit, which includes a grounding support base, a feeding balun, and a square radiation surface. Both the front and back surfaces of the square radiation surface are copper-clad. Among them, the shape of the copper cladding on the front is similar to four combined square structures. Two square structures located on the diagonal form two oscillator arms in one polarization direction. The middle positions of each oscillator arm are all hollowed out. The oscillator arm is composed of multiple cascaded LC circuits. Multiple open-circuit filtering stub segments are also arranged on the oscillator arm. The present invention is used in a multi-frequency and multi-array combined antenna, which can well avoid interference with adjacent arrays. Its special multiple filtering structure can adapt to various irregular arrays, effectively reduce the size of the antenna, improve the performance of the antenna interleaved array, and has a simple structure, convenient installation, and low cost. At the same time, by adjusting the positions of the LC circuits and the lengths of the filtering stub segments on the unit radiation surface, the expansion of different frequency bands and the filtering of different frequency bands can be achieved.

The invention discloses an unmanned aerial vehicle-mounted granular fertilizer spraying device, and belongs to the technical field of unmanned aerial vehicle spraying devices.The unmanned aerial vehicle-mounted granular fertilizer spraying device comprises an unmanned aerial vehicle body, a granule carrying bin is arranged in the unmanned aerial vehicle body, a plurality of movable discs are arranged in an inner cavity of the granule carrying bin, and a plurality of material scattering rods are symmetrically arranged on the peripheries of the movable discs; supporting shafts are arranged among the interiors of the multiple movable discs, the supporting shafts and the movable discs are in sliding connection through first connecting assemblies, adjusting mechanisms used for driving the supporting shafts to reciprocate up and down are arranged at the tops of the movable discs, and a plurality of ground supporting rods are fixedly connected to the bottom end of the unmanned aerial vehicle body; the grain carrying bin and the ground supporting rod are fixedly connected through a second connecting assembly and a third connecting assembly. According to the invention, the plurality of movable discs are matched with the material scattering rods, the movable discs move up and down to incline the material scattering rods, and the material leakage holes of the material scattering rods with different lengths can be arranged into a non-repeated linear area after being inclined, so that the repeated spraying of a fertilizer is avoided, and the fertilization uniformity is improved.

The invention relates to the technical field of photovoltaic supports, in particular to a flexible photovoltaic support. According to the technical scheme, the inclination adjusting assembly comprises a wind receiving plate, a torque spring, a circular plate, a blocking piece and a supporting plate, the supporting plate is fixedly installed at the top of a floor supporting frame, the side portion of the supporting plate is rotationally connected with the circular plate, and the torque spring is fixedly installed on the side, away from the supporting plate, of the circular plate; the other end of the torque spring is fixedly connected with the wind receiving plate, and a blocking piece is arranged at the position, located on the same side with the circular plate, of the side portion of the supporting plate. The wind receiving plate and the photovoltaic panel group are jointly acted by wind power, when the wind power is too large, the rotating force applied to the circular plate by the wind receiving plate through the torque spring is larger than the resistance of the clamping block, at the moment, the circular plate rotates, the inclination angle of the photovoltaic panel is adjusted, and the photovoltaic panel is prevented from being fractured due to the too large wind power.

The invention discloses a rapid connection testing device for a printed circuit assembly board, and aims to solve the problems of high cost, low connection density, large occupied space, tedious operation and the like in the existing testing technology. The device comprises a quick-connection probe module, a positioning tray and a pull pin, the quick-connection probe module comprises a quick-connection probe seat module, a protective cover module and a spring, positioning and locking are realized by multiplexing existing mounting holes of a to-be-tested PCB, electrical connection is realized by utilizing contact of a spring probe and a test point, a quick-connection positioning guide sleeve, a lock bead and a quick-connection ring are combined to form a quick locking / unlocking structure, and the quick-connection probe seat module and the protective cover module are connected with the pull pin. The conductive bushing and the grounding support ring form a grounding loop in cooperation with auxiliary positioning of the guide pin. A special test connector is omitted, so that the material cost is reduced; the connection density and the signal rate are improved, and the PCB space is saved; the operation efficiency is improved through the quick connection structure, and the device is suitable for efficient mass production testing.

The invention relates to the field of superconducting Tokamak devices, and discloses a support structure of a correction field superconducting coil and a superconducting Tokamak device with the same, the support structure comprises a first support assembly, the first support assembly is arranged on a longitudinal field coil and is used for supporting an upper arc section of the correction field superconducting coil; the second supporting assembly is fixed to the ground supporting structure of the longitudinal field coil and used for supporting the lower arc-shaped section of the correction field superconducting coil; the vertical supporting assembly is located between the first supporting assembly and the second supporting assembly in the vertical direction and used for fixing the two vertical extending sections in the two sets of adjacent correction field superconducting coils; the cooling assembly comprises a first cooling part used for exchanging heat with the first supporting assembly and a second cooling part used for exchanging heat with the second supporting assembly. Therefore, the overall heat balance of the superconducting Tokamak device can be realized, and the position precision and the working efficiency of the superconducting coil in the correction field can be effectively improved.

A system for installing a novel engine shield in the opening of an aircraft engine that is too high off the ground to be accessed by the ground support technicians while standing on the ground that includes a housing of the shield that has a front section that extends away and downward from a rear section of the housing. The front section of the housing contains an installation pole port assembly that includes an opening or port in a structure that is operably connected to a drive screw via a universal joint. In some embodiments, the installation pole port assembly is positioned to be recessed within an opening in the front section of the housing. Other versions also include a photoluminescent material applied near or around the opening in the front section of the housing.

The invention provides a fire-fighting box mounting, fixing and supporting base, and belongs to the technical field of building construction. The fire-fighting box mounting, fixing and supporting base comprises a supporting assembly and a bearing assembly, the bearing assembly comprises a bearing plate, an adjusting limiting device, a bubble level and a fire-fighting box body, a supporting piece, a threaded column, an inner threaded cylinder, an outer ring and a sliding block are arranged, the supporting piece is in contact with the ground to support the whole, and the inner threaded cylinder is driven to rotate by rotating the outer ring; through the design of the two independent threaded columns and the bearing plate rotationally connected, the height can be adjusted, the inclination degree of the bearing plate can be adjusted, the fire box body is supported at the installation position, the levelness and perpendicularity of the fire box body are guaranteed, then the fire box body is installed through bolts, and the fire box is good in forming effect after installation is completed; the fire-fighting box body is more convenient to install, the fire-fighting box body can be placed through adjustment limiting, and the fire-fighting box body can be adjusted to be suitable for various types of fire-fighting box bodies.

The invention discloses bridge floor self-moving installation equipment and method for a prefabricated guardrail wall of a subway viaduct. The equipment comprises a base, a supporting displacement mechanism, a vertical supporting rod mechanism, an operation platform, a balance weight mechanism, a hoisting mechanism and a detection assembly. The supporting displacement mechanism comprises a wheel set and an oil cylinder supporting leg which are used for overall displacement and ground supporting respectively. The vertical supporting rod mechanism is fixedly arranged on the top of the base and used for supporting the operation platform. The counterweight machine is arranged on the base, so that the equipment is prevented from overturning; the hoisting mechanism comprises a moving trolley, a longitudinal driving assembly and a winch; the detection assembly detects related installation information; according to the installation equipment, an integrated installation system with a hoisting function is formed through the bridge floor self-moving base, the hoisting mechanism capable of being adjusted in a three-dimensional mode and the matched vertical supporting rod and counterweight system, dependence on large ground hoisting machinery is not needed, and the problems that in traditional hoisting operation, traffic limitation is serious, and efficiency is low are effectively solved; and meanwhile, precise positioning and mounting of the prefabricated guardrail wall are achieved.

A fishing rod including a fishing rod body and a fishing rod holder is disclosed. The fishing rod holder may include a sleeve configured to attach to the fishing rod body. The sleeve may include a proximal extended edge and a distal extended edge. The fishing rod holder may further include a ground support structure that includes a proximal end and a distal end. The proximal end may be configured to engage with the sleeve via a locking mechanism and the distal end may include a spike configured to be inserted in ground. The ground support structure may be configured to slide along a sleeve longitudinal axis between an original position and an extended position. Further, the proximal extended edge and the distal extended edge may be configured to limit ground support structure movement along the sleeve longitudinal axis.

An equipment pad generally includes at least four risers and at least four channels. Riser tops extend outwardly and broaden from a central portion of the equipment pad and comprise an equipment support surface. Channel beds and side walls extend outwardly and may curve or bend from the central portion of the equipment pad to comprise a ground support surface. Channel openings together span from 15% to 50% of the perimeter of the equipment pad and allow drainage to exit the channels. The horizontal area of the channel beds comprises from 20% to 50% of the total combined horizontal area of the channel beds and riser tops. Typically, each channel is wider at the channel opening than at the central portion of the equipment pad. The pad's corners typically have a combined length of at least 20% of the perimeter of the equipment pad.

Systems, devices, and methods for a ground support system for an unmanned aerial vehicle (UAV) including: at least one handling fixture, where each handling fixture is configured to support at least one wing panel of the UAV; and at least one dolly, where each dolly is configured to receive at least one landing pod of the UAV, and where each landing pod supports at least one wing panel of the UAV; where the at least one handling fixture and the at least one dolly are configured to move and rotate two or more wing panels to align the two or more wing panels with each other for assembly of the UAV; and where the at least one dolly further allows for transportation of the UAV over uneven terrain.

The utility model discloses an adjustable supporting assembly of a rubber belt conveyor, which relates to the technical field of rubber belt conveyors and comprises a base, a rubber belt conveyor body, an angle adjusting component and a ground supporting component, the angle adjusting component comprises a servo driving assembly, two bearing seats fixedly connected to the outer wall of the top of the base in sequence, a threaded cross rod rotationally installed between the two bearing seats, a sliding seat connected to the threaded cross rod in a threaded mode and a linkage inclined rod hinged to the top of the sliding seat. The angle adjusting component is arranged, so that the conveying angle of the rubber belt conveyor body can be flexibly adjusted, and the use requirements in different scenes can be met; and the ground supporting part is arranged, the ground supporting plate is controlled to move downwards to make contact with the ground, the friction force between the whole conveyor and the ground can be increased, and the supporting performance of the whole conveyor and the fixing effect between the whole conveyor and the ground are improved.