190results about "Aircraft cleaning" patented technology

The invention relates to an unmanned aerial vehicle lens stain identification and cleaning method and system based on deep learning. The method comprises the following steps: generating an image acquisition instruction according to a set sampling period to obtain a to-be-detected image; the image acquisition instruction is used for instructing an unmanned aerial vehicle camera to perform image acquisition operation and feeding back in the form of a to-be-detected image; preprocessing the to-be-detected image to obtain a to-be-detected standard image; inputting a to-be-detected standard image into the stain detection model to obtain a stain identification result; the stain identification result comprises a central coordinate of the polluted area, bounding box data, a confidence coefficient score and a stain type label; generating a cleaning parameter and a cleaning instruction according to the stain identification result; the cleaning instruction is used for instructing the cleaning equipment to clean the unmanned aerial vehicle lens according to the cleaning parameters. By adopting the method, the problems of difficult stain identification and extensive cleaning decision in an existing unmanned aerial vehicle visual system can be solved, and the accuracy of stain detection and the intelligence of cleaning control are realized.

The invention relates to the technical field of unmanned aerial vehicle cleaning, and discloses a cleaning application and data processing system suitable for an unmanned aerial vehicle, and the system comprises a stain distribution modeling module, a sensor configuration module, a task definition module, an execution control module, an analysis feedback module and the like. According to the system, a stain distribution model is constructed through multispectral imaging, detection points are arranged to calculate the stain density gradient, cleaning indexes are defined according to physical parameters, steady-state and dynamic response and composite cleaning are executed, and abnormal tracing and strategy updating are conducted on areas which do not pass through cleaning. In addition, the system also comprises a data aggregation and communication relay module. The system can accurately model, scientifically regulate and control cleaning parameters, adapt to complex working conditions, improve the cleaning efficiency and quality and is suitable for the field of unmanned aerial vehicle cleaning.

Described herein is a blended wing body aircraft. In some embodiments, a blended wing body aircraft may include a set of passenger loading doors on a first lateral side of the aircraft, and a set of passenger unloading doors on the second lateral side of the aircraft. In some embodiments, this configuration may allow for more efficient loading and unloading of blended wing body aircraft.

The present invention discloses a new type of drone nest. On both sides of the top of the nest box, top covers are slidably installed respectively. At the bottom of the inner wall of the nest box, a pressing plate is slidably installed. On the front of the nest box, a transmission box for controlling the lateral movement of the two top covers is fixedly installed. Inside the nest box, a rotating shaft is movably installed. On the front side and the rear side of the surface of the rotating shaft, three connecting rods evenly distributed are fixedly installed respectively. Inside the corresponding connecting rods on the front side and the rear side of the rotating shaft, a suspension platform is movably installed through a shaft pin. A through groove is opened at the bottom of the suspension platform. On one side of the bottom of the top cover, a drone bottom cleaning mechanism that can pass through the through groove is fixedly installed. At the bottom of the pressing plate, an electromagnetic block is fixedly connected. At the bottom of the inner wall of the nest box, a fixed iron block magnetically matched with the electromagnetic block is fixedly connected. On one side of the top of the suspension platform, a drone pressing mechanism is fixedly installed. On both sides of the top of the pressing plate, a pressing and charging mechanism that can pass through the through groove is fixedly installed. It ensures that charging is not affected by foreign objects, ensures the cleaning efficiency, and adapts to the charging of drones at different heights.

A processor-implemented method for post-wash recovery prediction for aircraft components includes accessing wash event data associated with a component of an aircraft; averaging the data and determining outlying events; filtering the data to remove outlying events; performing feature engineering to determine a plurality of features; providing, as inputs to an analytic model, the plurality of features and the filtered data; predicting, by the analytic model, a post-wash recovery; and providing a washing recommendation based on the post-wash recovery to selectively cause the component to be washed.

The intelligent take-off and landing platform comprises a storage box, the top face of the storage box is slidably connected with a cover plate assembly, the inner bottom face of the storage box is fixedly connected with a lifting column, the top face of the lifting column is fixedly connected with a parking platform, the unmanned aerial vehicle is placed in the center of the top face of the parking platform, and the outer wall of the lifting column is slidably connected with a storage unit. A cleaning unit is slidably connected to the side wall of the lifting column and comprises a power assembly fixedly connected to the bottom face of the storage box, a support is slidably connected to the outer wall of the power assembly, a cleaning assembly is fixedly connected to the top face of the support, and a first sealing plate is fixedly connected to the side, close to the unmanned aerial vehicle, of the support and rotationally connected with the cleaning assembly. The surface of the unmanned aerial vehicle can be simply cleaned through the effect of the cleaning assembly, so that it is ensured that the surface of the unmanned aerial vehicle is kept clean when the unmanned aerial vehicle needs to be used next time, the damage condition caused by dust attachment is reduced, and the working efficiency of the unmanned aerial vehicle is improved.

The utility model provides an unmanned aerial vehicle airport for fan blade detection. The unmanned aerial vehicle airport comprises a case, a moving device, a top plate, a plurality of bases and a dust storage hopper, one side of the moving device is fixedly arranged on the surface of the case, and the other side of the moving device is fixed relative to the top plate; each base is embedded into the cabin, and one surface, far away from the top plate, of each base is fixedly connected to form a chassis fixedly connected with the inner wall of the cabin; an electric heating wire electrically connected with the controller is arranged on the surface, close to the top plate, of each base, and the ash storage hopper is slidably connected with the base plate; when the unmanned aerial vehicle returns, the controller drives the moving device and the heating wire to start, so that the top plate is driven to move relative to the cabin to recover the unmanned aerial vehicle. The controller starts the moving device to unfold the interior of the cabin, and the heating wires form a temperature difference area, so that a plurality of characteristic areas convenient to identify are provided for positioning when the unmanned aerial vehicle returns, and the unmanned aerial vehicle can return to the nest and be charged quickly.

Methods and apparatus for UAV-enabled marking of surfaces during manufacture, inspection, or repair of limited-access structures and objects. A UAV is equipped with a marking module that is configured to apply marking patterns (e.g., alignment features) of known dimensions to surfaces. The marking module may include a 2-D plotter that enables free-form drawing capability. The marking process may involve depositing material on the surface. The marking material may be either permanent or removable. A “clean-up” module may be attached to the UAV platform instead of the marking module, and may include solvents and oscillating or vibrating pads to remove the marks via scrubbing. The clean-up module can also be used for initial surface preparation.

The utility model discloses an airplane wheel maintenance production line which comprises a decomposition area used for disassembling an airplane wheel assembly, and disassembled parts at least comprise a tire, an inner half hub and an outer half hub; the cleaning area is adjacent to the decomposition area and is used for cleaning at least part of the parts; the inspection area is adjacent to the cleaning area and is used for inspecting at least part of the parts; the assembling area is adjacent to the inspection area and is used for assembling the inspected parts and / or new parts to form a new airplane wheel assembly; the decomposition area, the cleaning area, the inspection area and the assembly area are connected through a conveying belt. By means of the production line, the labor intensity can be reduced in the airplane wheel maintenance process, the working efficiency is improved, and the phenomena that parts slide down and are damaged, and personnel are injured during carrying are avoided.

A method for performance analysis of an aircraft engine component includes accessing data of an aircraft engine component, the data including a performance signal; detecting a signature of the performance signal; performing a first analysis by an analytical model, based on the data and the performance signature, to determine performance metrics of the aircraft engine component; converting a first performance metric to a second performance metric based on a derivative, the derivative being derived from at least two of the determined performance metrics; determining an analytic for the aircraft engine component based on at least one of the derived derivative or the determined performance metrics; selectively providing a washing recommendation for the aircraft engine component based on the determined analytic; and selectively causing the aircraft engine component to be washed based on the washing recommendation.

A cleaning system (20) for a gas turbine engine (100) includes a foam supply unit (26) for generating cleaning foam (194) that is injected into the gas turbine engine (100), and an air blower (180) that is operably coupled to a core flowpath (121) of the gas turbine engine (100), the air blower (180) being configured to draw a flow of air (182) through the core flowpath (121) at a flow rate that induces rotation of the gas turbine engine (100) at a target rotational speed.

The invention relates to the technical field of snow blowing vehicles, and discloses a snow blowing vehicle snow blowing nozzle with a hard-shell snow removing function, which comprises a connecting pipe, the left side of the connecting pipe is communicated with a corrugated pipe, the left side of the corrugated pipe is communicated with a necking pipe, and the left side of the necking pipe is communicated with a snow blowing pipe; the outer side of the connecting pipe and the outer side of the necking pipe are fixedly connected with the same telescopic mechanism, a shell breaking mechanism with the two ends extending to the front side and the rear side of the snow blowing pipe respectively is arranged in the snow blowing pipe, and an air inducing mechanism which is located on the outer side of the shell breaking mechanism and can be in linkage with the shell breaking mechanism is further arranged in the snow blowing pipe. The snow blowing pipe is further provided with a turbulent flow mechanism located above the air inducing mechanism, and the front face of the snow blowing pipe is provided with a transmission device fixedly connected with the turbulent flow mechanism. According to the snow blowing nozzle of the snow blowing vehicle with the hard-shell snow removing function, the problems that an existing snow blowing vehicle is low in snow removing efficiency and has potential safety hazards when being used in the scene that much snow is accumulated on the surface of an airplane are solved.

A system for touchless control of a lavatory of an aircraft includes at least one sensor located in the lavatory and configured to detect detected data corresponding to the lavatory. The system further includes at least one actuator or light source located in the lavatory and configured to perform an action. The system further includes a central controller coupled to the at least one sensor and the at least one actuator or light source and configured to make an inference based on the detected data and to control the at least one actuator or light source based on the inference.

An aircraft structure dynamic loading testing device, including a nozzle, an attachment mechanism with a first portion attached to the nozzle such that a nozzle force direction is constrained at a set orientation and a second portion for attaching to the aircraft structure and configured to be constrained at a given orientation with respect to the aircraft structure, and a length of conduit. In use, fluid is supplied along the length of conduit to the nozzle and ejected from the nozzle such that the nozzle exerts a dynamic force on the aircraft structure in the direction of the nozzle force direction. A dynamic loading testing device, a kit of parts and methods of dynamic load testing of a structure are disclosed.

To increase efficiency of the task of detecting and addressing FOD.SOLUTION: In one embodiment, systems and methods include using an inspection system to remove or seal foreign object debris. An inspection system comprises: a borescope, in which multiple optical fibers are disposed; a mounting system; an articulation system; and a controller, which comprises a display; where a proximal end of the borescope is coupled to the mounting system, the mounting system is configured to secure the inspection system to an external surface, the mounting system is coupled to the articulation system, the articulation system is configured to actuate the borescope, and the articulation system is communicatively coupled to the controller.SELECTED DRAWING: Figure 1

This application belongs to the field of external surface wall-climbing cleaning device design technology, specifically relating to an external surface wall-climbing cleaning device. Through the design of inner and outer guide rails, as well as its motor and suction cup, it has omnidirectional movement capability and can quickly climb on large curved surfaces or flat surfaces. It is also designed to use roller brushes to perform all-round cleaning by rotating and translating the outer surface within the overall movement range of the device, which is convenient, fast, safe and efficient.

The application discloses a shipborne aero-engine cleaning equipment in the technical field of engine cleaning equipment, which comprises a water tank, a box body, a pipe coiler assembly, an output assembly and a control assembly, wherein the box body is internally provided with a sealed chamber, the output assembly, the control assembly and the pipe coiler assembly are all installed in the sealed chamber, and the gap between the through hole and the water pipe is sealed through a sealing assembly, so that the water pipe can freely leave the sealed chamber while the sealing effect of the sealed chamber is guaranteed, the output assembly, the control assembly and the pipe coiler assembly are isolated from the external environment, the corrosion of the output assembly, the control assembly and the pipe coiler assembly by the high-salt-mist environment at sea is reduced, the aging of various devices is effectively alleviated, and the service life of the overall equipment in the high-salt-mist environment at sea is increased.

Methods and systems for decontaminating an aircraft cabin and providing a safe re-entry indication are described. Methods and systems for decontaminating an aircraft cabin and providing an indication to provide confidence that re-entry after an operation is safe are described. These methods and systems are based on utilizing outside air and / or filtered air to reduce the concentration of infectious agents within the cabin. In some examples, a method is performed following a contamination event (e.g., the presence of a patient in flight) and / or as part of a scheduled service (e.g., between flights). The amount of time the system operates to introduce a compound into the cabin is specifically calculated to reduce the proportion of remaining infectious agents to below a desired level, thereby reducing the initial concentration of contamination within the cabin. The duration of the decontamination depends on the cabin volume and the incoming air flow rate. For example, after nine minutes of flowing incoming air at 20 air changes per hour, the proportion of remaining air will be less than 5%.

The utility model discloses an unmanned aerial vehicle cabin-entering propeller collecting device which comprises a cabin body, a cabin door, a translation driving mechanism, two supporting rods and two brushes. The cabin door is hinged to the cabin body, and a paddle collecting plate is further installed on the inner side of the cabin door. The two supporting rods are arranged on one side in the cabin body, and one end of each supporting rod is connected with one end of the inner side of the cabin door. By actually simulating the motion trail of the airplane paddle, structuring the data of the airplane paddle and combining with the door opening mechanism of the automatic airport, the step of automatically retracting the paddle along with door closing can be completed, the overall design is reasonable, the structure is compact, the occupied volume of the airport is reduced, and meanwhile, due to the fact that automatic cabin retracting is achieved without depending on aircraft communication, the space is saved. And the cost is further reduced.

An unmanned ground-based hygiene maintenance vehicle, UGV, includes a housing with a base plate, top plate and housing side wall substantially perpendicular to the base plate. Arranged in the housing is at least one wheel drive coupled to at least one wheel in a recess in the base plate. The UGV includes sensors for sensing the environment of the UGV, and a controller for autonomous location and navigation of the UGV based on sensing parameters of the sensors. The UGV includes an articulated robot arm on the top plate of the housing and to support a hygiene maintenance tool. The UGV includes at least one load-receiving element coupled to the housing side wall and extending outwards from the housing side wall, wherein the load-receiving element includes a load support surface for supporting a hygiene maintenance tool supply module with respect to a vertical direction extending transverse to the base plate.

The invention belongs to the field of aircraft cleaning, and relates to a cleaning device and method for a watertight compartment of an amphibious aircraft. And the track is fixed on a keel beam of a watertight compartment of an airplane through adhesive. The programmable trolley is installed in the track, and a plurality of motors are arranged in the programmable trolley. Wherein one motor rotates forwards or reversely under a control instruction of a built-in control module of the programmable control trolley to drive a wheel shaft of the programmable control trolley to rotate forwards or backwards, so that the trolley is driven to move forwards or backwards. The other two motors rotate by a fixed angle under the control instruction of the control module arranged in the trolley to drive the two mechanical arms to rotate within a certain angle range, and the telescopic hose sequentially passes through the programmable control trolley and the mechanical arms and is connected to the spray heads at the ends of the mechanical arms. Manual cleaning work does not need to be carried out in the watertight compartment for a long time, the maintenance cost is saved, and the suffocation risk of personnel is reduced; the method can be used as a measure for cleaning the watertight compartment after leakage during the offshore taxiing / test flight period of the amphibious aircraft.

The invention relates to the technical field of unmanned aerial vehicle nests, and provides a photovoltaic power station inspection unmanned aerial vehicle nest structure which comprises a bottom plate, limiting holes are formed in the outer surface of the bottom plate, and the whole nest structure is fixed by installing the bottom plate on a new energy vehicle; a photovoltaic energy charging assembly is fixedly connected to the top of the nest shell, an entering unit is arranged on the outer surface of the nest shell, a charging unit is arranged on the inner wall of the nest shell, and a rear disassembly plate is fixedly connected to the side, away from the entering unit, of the nest shell. The entering unit can remove dust and impurities on the surface of the unmanned aerial vehicle, then the unmanned aerial vehicle enters the charging unit to be charged, and the photovoltaic energy charging assembly can absorb solar energy to supplement energy to the whole structure.

To provide a system and method for disinfecting an interior of an aircraft.SOLUTION: An aircraft includes an interior and an environmental system configured to circulate air through the interior. The aircraft also includes at least one disinfectant dispenser configured to dispense a disinfectant in the air circulated through the interior. In one example, a disclosed method for disinfecting the interior of the aircraft includes steps of: (1) circulating air through the interior of the aircraft; (2) dispensing the disinfectant in the air circulated through the interior; and (3) removing the disinfectant from the interior when a predetermined situation is reached.SELECTED DRAWING: Figure 4

The utility model discloses a multi-rod cleaning device based on aircraft propeller wing driving, which is characterized in that a plurality of guide rods are fixed on the peripheral side of a fixed disc, and at least one cleaning component penetrates through the guide rods; the center of the fixing disc is rotationally connected with a rotating rod, threads are formed in the outer wall of the rotating rod, the rotating rod is rotationally connected with a driving block through the threads, one end of the transmission part is hinged to the cleaning assembly, the other end of the transmission part is hinged to the driving block, and the cleaning assembly comprises a cleaning block. A guide channel used for being matched with the guide rod is formed in the cleaning block, a cleaning channel is formed in the cleaning block, at least one cleaning brush assembly is installed in the cleaning channel, and at least one water outlet hole is formed in the inner wall of the cleaning channel. A pit is formed in the center of the fixing disc, a rotating motor is fixed to the pit, and an output shaft of the rotating motor is fixedly connected with a rotating rod. The propeller cleaning device is simple in structure and capable of automatically cleaning the propeller.

To provide apparatuses, systems and methods for disinfection in which one or more of UV emitters are rotatable to adjust their fields of illumination.SOLUTION: An apparatus includes a disinfecting device 100. The disinfecting device 100 includes a shell 120 configured to rotate about an axis, UV emitters 130 that are configured to emit UV light 122, and rotational couplings 124 that couple the UV emitters 130 to the shell 120 and provide multi-axial rotation of the UV emitters 130 relative to the shell 120.SELECTED DRAWING: Figure 1A

The utility model relates to the technical field of snow blowing vehicles, and discloses an aviation snow blowing vehicle with a cleaning function, which comprises an aviation snow blowing vehicle body, the right end of the aviation snow blowing vehicle body is fixedly connected with a crushing box, the top end of the crushing box is fixedly connected with a pushing cylinder, the bottom end of an output shaft of the pushing cylinder is fixedly connected with a moving plate, and the moving plate is fixedly connected with a motor. A limiting assembly is fixedly connected to the outer side of the movable plate, a movable crushing assembly is fixedly connected to the bottom end of the movable plate, a blowing-out box is fixedly connected to the right end of the crushing box, a blowing-out cavity is formed in the inner side of the blowing-out box, a blowing-out assembly is fixedly connected to the inner side of the blowing-out cavity, and an air guide pipe is fixedly connected to the bottom end of the blowing-out box. The aviation snow blowing vehicle with the cleaning function has the advantages that snow on the surface of an airplane can be removed, snow on the vehicle bottom of the snow blowing vehicle can be removed, and the overall cleaning effect is improved.

A cleaning arrangement for cleaning an interior volume of a tank (200), the arrangement comprising: a plurality of ultrasonic transducers (310, 3100) mounted to a support body (320, 3200) to be mounted to the tank (200), in use, and means (330, 3300) for providing electrical power to the transducers (310, 3100), wherein the transducers are mounted to the support body (320, 3200) such that, when the support body is mounted to the tank (200), in use, and when power is supplied to the transducers (310, 3100), the transducers generate ultrasonic waves throughout the interior of the tank (200).

The utility model discloses an aviation cleaning device which comprises a cleaning box, a gun head, a spraying module and an adsorption module, the cleaning box is provided with a cleaning liquid cavity, a first access port and a second access port, the gun head is detachably connected to the cleaning box, the spraying module is provided with a first spraying head and a second spraying head, and the first spraying head and the second spraying head are different in caliber. The gun head is detached from the cleaning box and connected with the first access port and the second access port, then the first spray head or the second spray head is detached to be cleaned and connected with the gun head according to requirements, cleaning liquid can be sprayed through the first spray head or the second spray head, aviation equipment is cleaned, and the adsorption module is arranged in the cleaning box and can adsorb grease and impurities. According to the aviation equipment cleaning device, the first spraying head or the second spraying head can be arranged for spraying during cleaning work, so that spraying of spraying liquid with different flow speeds and spraying diameters is achieved, and the aviation equipment cleaning device adapts to cleaning of the aviation equipment in different space ranges.

Antifouling coating with reliefs and structure comprising such a coating The present application aims to improve an antifouling coating intended to cover a structure (2) likely to move on which an insect (5) or any other type of contaminant (3) can come to crash. The antifouling coating comprises projections of which at least a part is located on at least one line and of which the shape, allowing the contaminant (3) moving towards the coating to be broken into several pieces (8), is determined and created by a surface texturing operation in the body of the antifouling coating itself. By having a determined shape and being distributed in a non-random manner, the projections allow the contaminant to be broken into several pieces. Abstract figure: Figure 1

This invention provides an automatic cleaning method and system for the hangar door side of polar shipborne helicopters. This invention belongs to the technical field of aviation ground support equipment and ship auxiliary machinery. The cleaning method includes: acquiring helicopter images, extracting key features of the fuselage, identifying the aircraft type and calculating the initial pose based on the PnP algorithm, and converting the preset cleaning path to the coordinate system of the cleaning device; generating a propeller cleaning sub-path, employing a master-slave control strategy to control two robotic arms to synchronously flush and clean the upper and lower surfaces of the propeller blades, and maintaining the balance of jet impact force through pressure closed-loop feedback; establishing a ship swaying dynamics model to estimate and predict the ship's motion state in real time, and combining the real-time feedback deviation vector obtained from laser ranging and visual acquisition to generate a corrected speed command; identifying the surface state category through temporal filtering and texture analysis, and adaptively adjusting according to the identification results.