134 results about "Dirigible airship" patented technology

The invention relates to the technical field of intelligent inspection of power equipment, and particularly discloses a power transmission line inspection system based on an autonomous correction long-endurance unmanned airship. The system aims to solve the problems of short endurance, small operation radius, single image angle, intermittent operation, leak detection, low precision, poor environmental adaptability and the like caused by dependence on manpower or GPS navigation in the conventional unmanned aerial vehicle inspection. The system comprises an energy supply module, a data acquisition module, an intelligent control module and a communication and data return module. Wherein the energy supply module is integrated with a solar energy collection, storage and intelligent scheduling unit to realize day-and-night continuous energy supply; the intelligent control module adopts an RT-DETR visual algorithm to identify a tower in real time, performs automatic deviation correction by fusing pose information, and accurately tracks a preset track; the data acquisition module supports multi-angle high-definition imaging, and the communication module guarantees real-time data return. And high-precision unmanned inspection with ultra-long endurance, full-automatic and wide-area continuous coverage is integrally realized.

The invention discloses an airship type unmanned aerial vehicle inspection system and inspection method, and belongs to the field of inspection unmanned aerial vehicles. The system comprises a laser radar, an image acquisition device, an airship capsule filled with helium, a standby safety airbag, a communication module and a ground control center, in the method, the ground control center sets an inspection path and issues the inspection path, and the unmanned aerial vehicle flies according to a preset path. During fault detection, the high-definition camera collects images to recognize line cracks and broken strands, the thermal infrared imager monitors the joint temperature, the gas sensor detects abnormal gas, and multi-source data fusion assists in defect positioning. The routing inspection takes a starting point-terminal point connecting line of a power transmission line as a reference, identifies main obstacles and surrounding nodes to perform global planning, performs key routing inspection on a risk area in combination with historical data, and initializes and guides a flight direction through a Q value to reduce invalid exploration. The four-rotor unmanned aerial vehicle solves the problems of short flight time and poor stability of a four-rotor unmanned aerial vehicle, improves the inspection stability and cruising ability, and improves the inspection efficiency of a power transmission line and the reliability of a power system.

Unmanned and remotely controlled airship constituted from system of multirotor combined with inflatable envelope. The airship may be lifted / powered by a power system comprising three or more rotors. In some embodiments, the airship may be constructed using rods, connectors, the main system / control box and the rotors. The airship system may have a systemic symmetry for weight distribution and flight control and may be, for example, a symmetric ellipsoid envelope / blimp.

Modular flying platform including an airship body defining an internal space and configured to achieve buoyancy, an internal structure supporting a transfer channel, an attachment mechanism positioned on the transfer channel to detachably connect with a second platform. The transfer channel is configured to permit transfer therethrough of a payload between the flying platforms when securely connected. A chain of modular flying platforms with one or more motors mounted to the airship body to control motion thereof. A method for managing a chain of modular flying platforms includes deploying a plurality of platforms, connecting the platforms to form the chain, transferring a payload through channels of the connected platforms and distributing at least one of propulsion, electrical power and computing across the chain.

The invention discloses an aerial real-time fire early warning and intelligent decision-making method and system for a tethered airship, and belongs to the technical field of unmanned aerial vehicle intelligent monitoring and early warning, and the method comprises the following steps: synchronously collecting a multi-dimensional data stream of a monitoring area; after space-time alignment processing is carried out on the multi-dimensional data stream, spatial features in the visible light image are extracted, and time sequence features of thermal radiation distribution data, vegetation indexes and key gas concentration data are extracted; determining the current confidence of the spatial features and the time sequence features through an attention mechanism according to the environment context information, determining the dynamic weights of the spatial features and the time sequence features, and performing weighted fusion on the spatial features and the time sequence features according to the dynamic weights to generate a fire probability thermodynamic diagram; and based on the fire probability thermodynamic diagram, fire point positioning and path planning are carried out, and early warning information and an optimal fire extinguishing path are generated. According to the invention, the problem of low fire identification accuracy caused by dependence on a single sensor and lack of multi-dimensional feature cross validation in the prior art can be solved.

The invention discloses a free airship cluster autonomous coverage method based on distributed learning and model predictive control, and belongs to the technical field of automatic control. The method comprises the following steps: firstly, establishing a six-degree-of-freedom dynamic model considering quality, buoyancy characteristics and wind field disturbance, and ensuring the physical accuracy of airship motion modeling; secondly, acquiring local wind field data by each airship through a sensor, performing local estimation by using a distributed Gaussian process regression algorithm, and realizing global wind field prediction through induction point approximation and hyper-parameter iteration; then, carrying out Voronoi division based on a global wind field sensitivity function, and determining a coverage area and a weighted centroid target of each airship; and finally, constructing an optimization problem based on model predictive control, constraining thrust and torque input, and carrying out rolling optimization by adopting a sequential quadratic programming method to realize stable track tracking and autonomous region coverage. The sensing, planning and cooperative control capabilities of an airship cluster in a complex non-uniform wind field environment are effectively improved, the centralized calculation overhead is reduced, and the robustness and adaptability of the system are enhanced.

The invention relates to a power transmission network overhead line inspection device based on a miniaturized unmanned airship, and belongs to the field of power inspection. The objective of the invention is to solve the problem that long-distance, high-precision, safe and stable power transmission line automatic inspection cannot be realized under complex terrain and severe weather conditions due to short cruising ability of an existing power inspection unmanned aerial vehicle and low intelligent level and poor environmental adaptability of a traditional unmanned airship. The airship main body adopts a light high-strength sandwich structure flexible airship body, and a thin film solar cell is integrated on the surface of the airship main body to prolong the endurance; the intelligent control module fuses an environment sensing unit and a path planning unit, and realizes intelligent obstacle avoidance and dynamic path planning based on a sensor group and a danger sensing model; the vector power system is provided with three power sources of a right-angle fan structure, and the three power sources are arranged at the tail, the top and the bottom of the boat respectively and provide omni-directional vector thrust control. The buoyancy adjusting system dynamically adjusts the buoyancy through the symmetrical inflatable sub-cabins, so that the wind resistance stability and the terrain adaptability are enhanced.

1. Name of the designed product: tester (visual). 2. Use of the designed product: used for high-altitude test of airship radar and link. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

A lighter-than-air airship has an exoskeleton constructed of spokes and hubs to create a set of connected hexagrams comprised of isosceles triangles wherein the spokes flex and vary in length to produce the slope of said airship's surface. In one embodiment, the exoskeleton connects to a nose cone that includes a cockpit cabin for controlling the airship's operation from a single location that can be physically separated from the exoskeleton in response to catastrophic events and for autonomous and / or remotely piloted operation. An improved means is also provided for landing and unloading cargo, and through use of unmanned aerial vehicles in another embodiment, the airship is configured for remote pickup, transport, delivery and return of payloads such as packages. In yet another embodiment, the airship provides a communications platform for beam form transmission and satellite signal relay, including in combination with the foregoing disclosed attributes.

The invention relates to the technical field of airship platform system operation and maintenance, and provides a multi-load airship platform OMC system equipment log and access management method, which realizes the functions of log display, query and export by constructing a log management component architecture, and improves the log query efficiency by adopting a joint index and multi-condition combination query function. According to the method, a user can quickly position and obtain required log information, dynamic access and adaptation of equipment are supported through the design of an equipment access adaptation framework, conversion between an MML command and an equipment special protocol is realized through a JS plug-in, a system can quickly adapt to access of equipment of different types and protocols, the compatibility and expansibility of the system are enhanced, and the user experience is improved. And the development cost and time of equipment access are reduced. Besides, the invention provides a plurality of interface forms and adopts identity authentication and token management mechanisms, so that secure interaction between the external system and the OMC system is ensured, and risks of unauthorized access and data leakage are effectively prevented.

This utility model discloses an airship control system based on an execution drive encoder board, comprising a flight control computer, an execution drive encoder board, a logic control circuit, and output ports. The flight control computer can output six control signals (PWM0-PWM5). The execution drive encoder board integrates six 2-to-1 analog switches, with the switch inputs connected to the six PWM signals output from the flight control computer and the execution drive board, respectively. The logic control circuit consists of OR gates, XOR gates, and AND gates, with its inputs connected to the control terminals of each analog switch, receiving control authority feedback signals from the execution drive board and control status feedback signals from the flight control computer. The output ports output the six PWM signals selected by the analog switches, respectively driving the servos corresponding to the horizontal tail, vertical tail, duct tilt, duct lock, engine throttle, and engine shutdown. This solution addresses the problems of insufficient control signal switching flexibility, incomplete control logic, and poor system scalability in existing airship control systems.

The invention discloses a dynamic network RTK technology improvement method based on a stratospheric airship, and relates to the field of dynamic network RTK technology improvement, and the method comprises the steps: employing three stratospheric airship air dynamic reference stations to build a dynamic network RTK system, obtaining the related data of a GPS satellite, building a regional ionospheric error-position model, and carrying out the calculation of the regional ionospheric error-position model. A ground user moving station receives signals from a GPS satellite to obtain a general coordinate of the ground user moving station, a virtual reference station is established based on the general coordinate of the ground user moving station, an error correction number on the virtual reference station is calculated according to the relative geometric position relation of a user, the stratospheric airship air dynamic base station and the GPS satellite in combination with a regional ionosphere error-position model, and the error correction number on the virtual reference station is calculated. And the user moving station carries out difference according to the short base line and the difference correction number, and the position of the user is obtained through calculation. The method provided by the invention has remarkable advantages in the aspects of positioning accuracy, coverage range and application flexibility.

The application discloses a LES super-high-resolution TC atmospheric flow field numerical simulation method and system, and relates to the fields of atmospheric observation, numerical assimilation and high-resolution numerical simulation. The method is characterized in that: three-dimensional dynamic-thermal information is obtained by implementing airship platform radar observation and downward sounding observation in the core area of a tropical cyclone; the radar radial wind and profile observation operators are preprocessed and constructed; a data assimilation strategy is adopted to integrate multi-source observation in a multi-nested grid numerical model to generate a three-dimensional initial / reanalysis field suitable for large eddy simulation; then, a large eddy simulation solver is configured on the innermost grid covering the boundary layer of the tropical cyclone; fine horizontal grids and boundary layer encryption vertical stratification are adopted to explicitly analyze the boundary layer vortex, small-scale convection and turbulent structure; and a super-high-resolution three-dimensional flow field product for fine evaluation of strong wind and disaster risk is output.

The application discloses a three-body type helium-hydrogen hybrid power airship, and belongs to the technical field of airships. The three-body type helium-hydrogen hybrid power airship comprises an airship frame, an electric power channel fan propulsion system, a main gas bag area, an auxiliary gas bag area, a battery cabin and a hanging cabin. The electric power channel fan propulsion system is arranged at the top of the airship frame on both sides and is used for assisting the airship in flight. The electric power channel fan propulsion system is electrically connected with the battery cabin. The main gas bag area is arranged at the middle of the airship frame and comprises a closed helium cabin, which is used for providing main lifting force for the airship. The closed helium cabin is arranged at the two sides of the airship frame. The auxiliary gas bag area is arranged at the upper part of the airship frame and is used for providing gas fuel for the battery cabin and also providing lifting force for the airship. The battery cabin is slidingly arranged at the middle of the airship frame and is used for providing electric power for the airship and realizing gravity center distribution adjustment in a sliding mode. The hanging cabin is arranged at the lower part of the airship frame. The application has the advantages of high safety, reliability and economy.

The application discloses a small airship device and a control method for automatic modeling of indoor three-dimensional objects, and belongs to the field of indoor aircraft intelligent inspection and three-dimensional perception systems. The airship adopts a four-rotor design arranged in layers. The upper vertical rotors control horizontal forward and backward movement and turning, and the lower horizontal rotors adjust the lifting force to realize lifting and hovering, thereby realizing multi-degree-of-freedom decoupling control. Attitude data are collected through an attitude sensor, and a PID algorithm is combined to realize automatic height maintenance. A communication module is used to build a WiFi local area network and run a Web control page, thereby realizing remote flight control of an intelligent terminal. On this basis, a preset flying-around program is executed to control the airship to automatically cruise at a constant radius and height around a target object, the rudders are synchronously adjusted to drive the camera to take multi-angle photographs, and image acquisition required for three-dimensional modeling is completed. The method combines manual and automatic control modes, and improves flight stability and modeling efficiency.

The invention discloses an improved YOLO-based electrical equipment defect image detection method and related equipment, and the method comprises the steps: inputting an electrical equipment image into a lightweight target detection model, and outputting defect category and position information; the model is improved based on a YOLO11 architecture, and images are processed through a feature extraction network, a fusion network and a detection head in sequence. A residual error enhancement re-parameterization convolution module is embedded into the feature extraction network, multi-scale features are extracted and fused through multiple branches during training, and re-parameterization is performed into a single branch during reasoning; a self-adaptive down-sampling module is adopted to replace a stride convolution down-sampling layer, and a dual-path structure reduces the resolution and retains information at the same time; the detection head is a lightweight scale decoupling detection head, decouples target classification and bounding box regression tasks, and adopts a detail enhancement structure. The invention aims to reduce the model volume and the calculation overhead on the premise of ensuring the detection precision, realize the real-time detection of the airship airborne equipment, construct a fine defect feature retention mechanism, reduce the small target omission ratio and improve the adaptability of the model to a complex dynamic environment.

A system for the thermal management of an external electric-power-generating nacelle equipping an electrically powered airship, the nacelle comprising electrical generation means implementing at least one turbogenerator contained in a fire containment vessel and provided with an inlet duct for turbine feed air and a flue gas exhaust duct, the system comprising ventilation means for injecting external air into the fire containment vessel, and means for discharging the ventilation air from the fire containment vessel, the means surrounding the flue gas exhaust duct so as to provide a Venturi effect for the outflow energized by the turbine flue gases.

The invention relates to a load transportation airship and a loading and unloading control method thereof, the airship comprises a main bag body, at least one auxiliary bag body is arranged in the main bag body, one of the main bag body and the auxiliary bag body is a buoyancy air bag, and the other one is an air bag; the light skeleton structure is arranged around the main capsule body; the vector electric propellers are mounted on the periphery of the main bag body and fixed to the light skeleton structure; the empennage is provided with a movable control surface and is positioned at the rear part of the main capsule body in the advancing direction; the temperature adjusting system is connected with the buoyancy air bag and is used for adjusting the temperature of the buoyancy gas filled in the buoyancy air bag so as to adjust the static lift force of the whole boat; the hybrid energy system is fixed to the light skeleton structure and used for providing power for the vector electric propeller and the temperature adjusting system. Compared with the prior art, the unmanned aerial vehicle has the advantages of structural safety, bearing capacity, accurate and flexible flight control, stable and reliable energy supply, wide application range and the like.

The invention relates to the technical field of aerospace energy systems, in particular to a tethered airship system. The tethered airship system comprises an airship body and an anchoring platform and further comprises a solar cell array, and the solar cell array is arranged on the airship body and / or the anchoring platform. An ocean energy generator; the first power supply is electrically connected with the ocean energy generator; the input end of the energy manager is electrically connected with the solar cell array and the first power supply; the input end of the power distributor is electrically connected with the output end of the energy manager; the ocean energy generator, the first power supply, the energy manager and the distributor form a first power supply subsystem; and the solar cell array, the energy manager and the distributor form a second power supply subsystem. The first power supply subsystem and the second power supply subsystem can enable the tethered airship system to be used at the position without the external power supply capacity all the time, the applicability of the tethered airship system is improved, and the application range of the tethered airship system is widened.

This invention discloses a method and system for close following control of a spherical airship robot under strong airflow disturbances. The method includes: establishing a three-dimensional kinematic model for close following; establishing an aerodynamic influence model mimicking bird flock close following; establishing the spatial dynamic equations of the spherical airship; establishing collision detection-assisted control based on tactile sensors; and constructing model predictive control equations for close following. This invention addresses the technical shortcomings of traditional control methods by drawing on bird flock formation strategies, constructing a dynamic model integrating aerodynamic characteristics, employing tactile sensor collision detection-assisted control, and using precise model predictive control algorithms. It overcomes the technical deficiencies of traditional control methods in effectively establishing aerodynamic interactions between airships and addressing collision problems caused by missing positioning data during close flight. This achieves stable close following control of the airship, providing technical support for multi-airship collaborative tasks in complex, confined spaces.

The utility model relates to the technical field of airship folding, and discloses an airship full-automatic folding machine which comprises a mounting plate, two moving mechanisms are arranged at the bottom of the mounting plate, a supporting mechanism is arranged at the top of the mounting plate, a plurality of folding mechanisms are arranged at the top of the mounting plate, and the folding mechanisms are arranged at the bottoms of the supporting mechanisms. A plurality of clamping mechanisms are arranged on the inner wall of the supporting mechanism; and the folding mechanism comprises a motor, the exterior of the motor is fixedly connected to the top of the mounting plate, the output end of the motor is fixedly connected with a connecting rod, and the exterior of the connecting rod is fixedly connected with a gear. According to the airship skin folding device, the motor drives the connecting rod to drive the gear to rotate, automatic folding operation of the airship skin is achieved through the meshing structure of the gear and the half gear ring and the design of rotating fulcrums of the first folding plate and the second folding plate, and therefore the defects that folding efficiency is low, folding is uneven, and materials are damaged due to excessive folding are overcome.

1. The name of the design product: amusement machine (cool running airship). 2. The use of the design product: for entertainment equipment. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view 1.

The invention provides an equipment type and management model association method in an airship platform OMC system, and the method comprises the steps: setting a corresponding equipment type label for the managed equipment type of the airship platform OMC system; constructing an equipment type definition table according to the data of the managed equipment types and the equipment types; for each equipment type, setting a corresponding configuration model, an alarm model and a performance model for configuration, alarm and performance monitoring in a database; associating the configuration model, the alarm model and the performance model with the equipment type definition table through equipment type labels; and obtaining a to-be-managed equipment type, and performing further management through the associated configuration model, alarm model and performance model according to the to-be-managed equipment type.

The present application belongs to the technical field of flight test, and particularly relates to a kind of troposphere manned airship fuel system hot climate test flight method. Including: S1: determining test flight condition;S2: make airship climb to the minimum safe height after stable flight first time, gradually increase the power of transmitter to maximum continuous power;S3: after speed stabilization, climb to maximum use height at maximum continuous power;S4: monitor fuel pressure, fuel flow and engine operation during climbing, monitor whether there is gas lock phenomenon caused by fuel overheating, which leads to unstable engine operation;S5: if there is no gas lock phenomenon caused by fuel overheating, which leads to unstable engine operation, airship climbs to maximum use height, returns and lands;S6: if fuel pressure is within normal range, fuel flow is within normal range, and engine does not work abnormally due to fuel interruption during test, then fuel system hot climate test flight is completed.

The present application belongs to the field of flight test technology, and relates to a kind of indication recording system test flight method suitable for troposphere manned airship.The method comprises: hovering 360 in the three time periods of sunrise, strongest sunlight and sunset respectively;In the above hovering process, it is observed whether the display data displayed by the display is easy to see under different angle illumination conditions;If there is an abnormal working condition in the above process, optimization improvement suggestions are proposed for it, and then the above steps are repeated until the qualified criterion is met.

The invention relates to the technical field of high-altitude platform station operation and maintenance management, and provides a multi-load airship platform OMC system equipment identification and management method, which comprises the following steps of: distributing an equipment identification number for each managed equipment on an airship platform, pre-defining a unified management model for each equipment type, and adopting a layered micro-service distributed system architecture, an equipment management function is realized through cooperation among layers; and in the equipment access adaptation layer, a JavaScript-based plug-and-play plug-in framework is adopted, and a JS script corresponding to an equipment type is dynamically loaded and executed, so that protocol adaptation and format conversion of a management command and reported data are realized. The core problem of unified management of heterogeneous equipment in a multi-load airship platform is solved by introducing a hierarchical equipment identification system, a model-driven unified management framework, a micro-service architecture and a JS plug-in adaptation technology.

This application discloses an inflatable tail fin for an airship made of polyethylene film, characterized by comprising: a spherical membrane made of polyethylene film; reinforcing ribs for securing the spherical membrane; and longitudinally extending partitions welded into the cavity of the spherical membrane, wherein the longitudinal direction refers to the direction from the root of the tail fin to the tip of the tail fin; and multiple partitions arranged laterally within the cavity of the spherical membrane. This application also discloses a method for manufacturing an inflatable tail fin for an airship made of polyethylene film. This solves the problem that polyethylene film cannot withstand high pressure.

The invention discloses an airship control right switching system and method based on heartbeat signal detection. In the aspect of the system, main communication equipment, emergency communication equipment, a communication switching board, a main flight control board, an emergency flight control board, a data acquisition board, an execution drive coding board and a terminal decoding board are included. And the communication switching board is provided with a corresponding interface, so that signal switching between the main communication equipment and the emergency communication equipment can be realized. The main flight control board and the emergency flight control board are integrated with a main control chip, a peripheral circuit, an onboard sensor and a heartbeat signal module, and respectively output six paths of PWM control signals. The main flight control board processes signals and sends control signals and heartbeat signals when normal, and the emergency flight control board receives the signals through the communication switching board and sends control instructions when faults occur. The data acquisition board acquires attitude and engine rotating speed sensor data and transmits the attitude and engine rotating speed sensor data to the flight control board through a CAN bus. And the execution driving coding board receives the PWM signal, and outputs the PWM signal to the terminal decoding board after logic processing and differential driving conversion so as to control each steering engine. The logic judgment unit judges the ownership of the control right according to heartbeat and communication state signals, and the switching unit is driven to select a control instruction according to the control right ownership. According to the method, the reliable switching of the airship control right is realized by detecting discrete and combined heartbeat signals of the main flight control board, monitoring period deviation and comparing the signals, judging the state according to a preset threshold value and switching to the emergency flight control board when the state is abnormal.

The invention discloses a small airship device for indoor three-dimensional object automatic modeling and a control method, and belongs to the field of indoor aircraft intelligent inspection and three-dimensional sensing systems. The airship adopts a layered four-rotor design, an upper-layer vertical rotor controls horizontal advancing, retreating and steering, a lower-layer horizontal rotor adjusts lift force to realize lifting and hovering, and multi-degree-of-freedom decoupling control is realized. Attitude data are collected through an attitude sensor, and height automatic holding is achieved in combination with a PID algorithm. And a WiFi local area network is constructed by using the communication module, and a Web control page is operated, so that remote control of the intelligent terminal on flight is realized. On the basis, a preset flying-around program is executed, the airship is controlled to conduct fixed-radius and fixed-height automatic cruise around the target object, a steering engine is synchronously adjusted to drive a camera to conduct multi-angle shooting, and image collection needed by three-dimensional modeling is completed. According to the method, manual and automatic control modes are fused, and the flight stability and the modeling efficiency are improved.