175results about How to "Improve survivability" patented technology

The huge progress of the autonomous technology promotes the rapid development of imaging satellites, and the satellites have advanced functions such as on-satellite autonomous decision making, inter-satellite link communication and multi-satellite collaborative planning in the future. High timeliness, autonomy and intelligentization become an important trend of development of a satellite task planning system. The invention provides a multi-satellite autonomous cooperative scheduling algorithm based on distributed multi-agent reinforcement learning aiming at the characteristics of limited on-satellite computing power, simple inter-satellite cooperative mechanism, unstable communication link and the like in on-satellite autonomous planning, and supports each satellite to carry out distributed autonomous decision based on local communication information. According to the method, a good task planning effect can be achieved while low communication consumption is kept, and the method has quick response capability and good system survivability.

The invention relates to an anti-electromagnetic interference device and method applied to a short-range unmanned aerial vehicle. The equipment comprises an electromagnetic pulse induction module, a power supply module, an electromagnetic pulse shielding device, a data processing and control module, an ultrahigh frequency signal generator and a signal transceiving module. Through a high-efficiency assembly, a high-efficiency electromagnetic pulse detection mechanism and an electromagnetic pulse protection scheme, an integrated design and a systematized layout strategy are combined, and a set of electromagnetic pulse interference resisting equipment which has a wide and accurate monitoring frequency spectrum and a strong electromagnetic pulse shielding capability and also gives consideration to the portability of the unmanned aerial vehicle is constructed. The equipment has the capability of monitoring and filtering electromagnetic pulses in a specified range in real time, and ensures that a carried unmanned aerial vehicle system can resist electromagnetic pulse invasion of certain intensity, so that the survival capability and the system reliability of a short-range unmanned aerial vehicle in an electromagnetic interference environment are remarkably improved.

The invention relates to a lifting type net cage culture structure based on a fan single-pile foundation, and the structure comprises the fan single-pile foundation which is used for being inserted into a seabed; the net cage is arranged on the fan single pile foundation in a lifting and sleeving manner in the height direction; the guide mechanism comprises a guide piece extending in the height direction, the guide piece is fixedly connected to the fan single pile foundation, and the net cage is arranged on the guide piece in a sliding mode. The lifting type net cage culture structure based on the fan single pile foundation has high safety and stability.

The invention belongs to the technical field of electromagnetic protection, and relates to an electromagnetic protection device based on mechanical wave nonlinear attenuation, which comprises a piezoelectric substrate, and a signal input component, a nonlinear attenuation component and a signal output component which are sequentially arranged on the piezoelectric substrate at intervals, the nonlinear attenuation component comprises an energy absorption structure, a deformation structure and a rigid connection structure. The energy absorption structures are made of energy absorption materials and are arranged above the piezoelectric substrate at intervals; the deformation structure is made of a mechanical metamaterial, and two ends of the deformation structure are respectively connected with the energy absorption structure and the piezoelectric substrate; one end of the rigid connection structure is connected with the energy absorption structure, and the other end is spaced from or abutted against the piezoelectric substrate; the signal input component converts electromagnetic wave signals into mechanical waves, the nonlinear attenuation component deforms under propagation of the mechanical waves, the deformation quantity is in direct proportion to the strength of the mechanical waves, and the signal output component converts the mechanical waves into the electromagnetic wave signals and outputs the electromagnetic wave signals. According to the invention, electromagnetic protection can be realized based on mechanical wave nonlinear attenuation.

The invention discloses bifidobacterium longum subsp. Longum IMAU12449 and application thereof, belongs to the technical field of microorganisms, and provides the bifidobacterium longum subsp. Longum IMAU12449, the bifidobacterium longum subsp. Longum IMAU12449 is preserved in the China General Microbiological Culture Collection Center on July 8, 2024, the preservation address is No. 3, No.1 yard, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC NO. The preservation number is CGMCC (China General Microbiological Culture Collection Center) The invention provides application of the bifidobacterium longum subsp. Longum IMAU12449 in preparation of fermented cow milk and / or soybean milk. The bifidobacterium longum subsp. Longum IMAU12449 is used as a potential probiotic to prepare cow milk and soybean milk, and the prepared fermented milk is stable in viable count, moderate in acidity and free of whey precipitation.

The invention discloses a low-voltage circuit cable convenient and quick to connect, which relates to the technical field of low-voltage cables, and comprises a first low-voltage circuit cable body which is arranged at the left side end of an outer protection connecting end, forms circuit connection with a second low-voltage circuit cable body through the outer protection connecting end, and is used for forming a complete closed electrical circuit, under the cooperation of the magnetic connection end and the magnetic fixing end, the whole cable butt joint operation is realized, the connection process is greatly simplified, the skill requirement on operators is reduced, the mechanical stability in the connection process is ensured, the cable is prevented from being accidentally broken, the stability of internal electrical connection is also ensured, and the service life of the cable is prolonged. According to the low-voltage circuit cable connection system, the power or signal transmission is ensured not to be interfered, the viability of the whole low-voltage circuit cable connection system in a severe environment is improved, the electrical performance of cable connection is improved under the cooperation of the distance adjusting control assembly, and the potential safety hazards of heating, electric energy loss and the like caused by the increase of contact resistance are reduced.

The present invention discloses a vertical intelligent take-off and landing field take-off and landing control system, which relates to the technical field of take-off and landing of take-off and landing fields, including an environmental monitoring module, an intelligent flight scheduling module, a vertical catapult take-off module, a take-off and landing field tilt control module, a fault accurate warning and processing module and a flight data in-depth analysis module: an environmental monitoring module: real-time monitoring of environmental parameters of the take-off and landing field, and automatic adjustment of monitoring strategies for extreme weather conditions; an intelligent flight scheduling module: real-time monitoring of environmental parameters and aircraft status, and intelligent planning of the take-off and landing path and time of the aircraft; in the present invention, through the real-time monitoring and strategy adjustment functions of the environmental monitoring module, the system can automatically adjust the monitoring strategy for extreme weather conditions to ensure the safety of aircraft take-off and landing, greatly improving the adaptability and survivability of helicopters in complex environments, especially in places with relatively harsh conditions such as mountainous areas and waters, and can significantly reduce take-off and landing accidents caused by weather factors.

The invention discloses a multi-orbit and multi-system oriented low-orbit remote sensing satellite inter-satellite communication system, which comprises an inter-satellite medium and low orbit subsystem, an inter-satellite ground subsystem and an inter-satellite high orbit subsystem. The inter-satellite medium and low orbit subsystem is used for establishing a communication link with low orbit satellites and transmitting measurement and control information between the low orbit satellites; the inter-satellite ground subsystem is used for establishing a communication link with a ground station and transmitting measurement and control information between the satellite and the ground; the inter-satellite to-ground subsystem is also used for establishing a communication link with the near-ground aircraft to complete measurement and control information transmission; the inter-satellite high-orbit subsystem is used for establishing a communication link with a high-orbit satellite and transmitting satellite-ground measurement and control information; when a satellite-ground fault occurs, the inter-satellite communication system of the low-orbit remote sensing satellites establishes a satellite-ground fault troubleshooting communication channel to transmit information required by system troubleshooting. According to the method, the problem of simultaneous communication of inter-satellite communication links of the low-orbit remote sensing satellite under various systems in a cross-orbit manner is solved, and a technical foundation is laid for a multi-orbit multi-system inter-satellite communication application scene of the low-orbit remote sensing satellite.

The invention discloses a distributed online adaptive task planning system for an unmanned aerial vehicle group, and relates to the technical field of unmanned aerial vehicle task planning. The system comprises a data acquisition and processing module, a task planning and distribution module, a path planning module, a load configuration module, a real-time monitoring and adjusting module, a cooperative control module, a real-time communication module and an optimization module, and generating a task planning scheme and performing task allocation by applying an online optimization algorithm and a self-adaptive technology. According to the invention, the task planning and distribution module integrates advanced algorithms and technologies to perform task planning and task distribution, so that each unmanned aerial vehicle can bear appropriate task load, an unmanned aerial vehicle / vehicle cluster can autonomously and efficiently complete diversified tasks in a complex environment, intelligent scheduling, path optimization and cooperative operation of the unmanned aerial vehicles / vehicles are realized, and the unmanned aerial vehicle / vehicle cluster is enabled to be more intelligent. And the self-organization capability, the dynamic adaptability and the collaborative operation efficiency of the unmanned aerial vehicle group are improved.

The invention relates to the technical field of biological prevention and treatment, and discloses a composition for preventing and treating rice sheath blight disease, which is prepared from the following raw materials in parts by weight: 80 to 90 parts of validamycin, 30 to 45 parts of traditional Chinese medicine extract paste, 10 to 20 parts of traditional Chinese medicine raw medicine, 15 to 19 parts of white carbon black, 10 to 17 parts of copper sulfate, 12 to 16 parts of chitosan, 9 to 15 parts of gibberellin, 5 to 9 parts of tebuconazole, 1 to 5 parts of compound sodium nitrophenolate, 2 to 4 parts of emulsifier and 1 to 3 parts of synergist. Gleditsia sinensis, sanguisorba officinalis, flos rhododendri mollis and sapindus mukorossi peel in the traditional Chinese medicine raw medicines are used for synergistically killing bacteria, enhancing the immunity of plants and delaying the decomposition of validamycin, and meanwhile, extracts of honeysuckle, dandelion, croton and artemisia annua in the traditional Chinese medicine extract are complementary with validamycin in the aspects of sterilization, virus resistance and plant resistance improvement; therefore, the effect of validamycin is more durable, the duration of single application is longer, and the manpower and material resource cost is saved.

The invention belongs to the technical field of spaceflight launching, and particularly relates to a primary and secondary satellite in-orbit maneuvering control method and device and a storage medium. The control method comprises the following steps: step 1, controlling a primary satellite and a secondary satellite to enter an orbit; 2, acquiring task requirements in real time, and calculating to obtain an on-orbit maneuvering strategy of the child satellites based on an autonomous maneuvering control algorithm; 3, potential attack and defense threats are analyzed, and the possible influence on in-orbit maneuver control is evaluated; key defense measures of the child satellite and the mother satellite in the maneuvering process are determined, and a coping strategy is formulated; and 4, establishing a real-time monitoring system, continuously collecting state information, orbit data and potential threat information of the child satellites, and adjusting a maneuvering control strategy according to the state information, the orbit data and the potential threat information of the child satellites. According to the method, the operation flexibility and the task response speed in a complex environment are improved.

The invention relates to an oncolytic virus VSV-aPDL1 / aCD137 for expressing a bispecific antibody as well as a construction method and application of the oncolytic virus VSV-aPDL1 / aCD137. The preparation method comprises the following steps: firstly designing aPDL1 / aCD137, then synthesizing an aPDL1 / aCD137 gene in vitro, amplifying the aPDL1 / aCD137 gene, connecting the aPDL1 / aCD137 gene to a pT7-VSV whole genome plasmid to obtain a virus whole genome plasmid pT7-VSV-aPDL1 / aCD137, and then co-transfecting the plasmid and a helper plasmid to a 293T cell to obtain the VSV-aPDL1 / aCD137 oncolytic virus. According to the present invention, the local anti-tumor immune response of the tumor is activated through the virus, the infiltration of the lymphocyte to the tumor tissue is recruited, the anti-PD-L1 / anti-CD137 bispecific antibody is expressed, the inhibition of the PD-1 / PD-L1 pathway on the T cell is blocked, and the inhibition signal of the PD-1 / PD-L1 pathway on the tumor cell surface is reversed into the CD137 signal of the activated T cell, such that the functional failure of the T cell caused by the PD-1 / PD-L1 pathway can be blocked, and the anti-tumor immune response of the tumor can be inhibited; the function and viability of T cells can be further improved, long-term immune surveillance on tumors is realized, and long-acting anti-tumor immune response is generated. Experiments show that the oncolytic virus can significantly prolong the lifetime of tumor-bearing mice, and a new strategy is provided for development of solid tumor drugs.

The invention provides a skin care composition containing stem cell extract as well as a preparation method and application of the skin care composition, and belongs to the technical field of cosmetics. The method comprises the following steps: mixing and culturing the extracted urine-derived stem cells and pilose antler stem cells in a DMEM culture medium added with epidermal growth factors, cholera toxin, penicillin, streptomycin, transferrin, IL-2 and IL-15, then separating a culture solution to obtain mixed exosomes, mixed stem cells and extracellular matrixes, preparing the mixed stem cells into stem cell lipidosome, and preparing the stem cell lipidosome. Embedding the stem cell extract and the mixed exosome into titanium dioxide / silicon dioxide microspheres, adding into an extracellular matrix, and uniformly dispersing to obtain the skin care composition containing the stem cell extract. The skin care composition containing the stem cell extract prepared by the invention can obviously prolong the preservation period of stem cells and exosomes and improve the repair and improvement of the stem cells and the exosomes on skin, and the prepared composition has better effects of resisting aging, whitening, promoting skin elasticity, resisting wrinkles and the like, and has a wide application prospect.

The invention discloses a distributed intelligent space defense combat adaptive system architecture, which relates to the technical field of command and control and comprises a distributed node deployment and networking system, a distributed situation intelligent sensing system, an adaptive decision system and a joint global command and control system. According to the distributed intelligent air and space defense combat adaptive system architecture provided by the invention, resources are effectively integrated through the distributed node deployment and networking system, the adaptive decision making system and the distributed situation awareness system, so that a highly integrated combat system is formed; through combination with the global command control system, cross-domain and cross-platform command control is realized, and the collaboration and consistency of combat actions are ensured.

The invention relates to the technical field of underwater robot formation, in particular to an underwater unmanned underwater vehicle cluster defense confrontation method, which utilizes an underwater unmanned cluster to make up the defect of insufficient functions of a single platform by means of the number advantage, and aggregates various underwater platforms with different functions to form a common body capable of completing a given task together; a traditional expensive large manned platform is replaced by a large number of small-size low-cost distributed unmanned platforms, and the distributed unmanned platform has the advantages of being high in efficiency, low in cost, reconfigurable and capable of executing multiple tasks, is used for underwater defense and resistance, and can greatly increase the underwater reconnaissance search range and improve the response speed and the confrontation effect.

The invention discloses an anti-seismic fault crossing system and method based on self-adaption. The system comprises a distributed optical fiber module, a micro electro mechanical system module, a central processing module, a material control module and an execution module. The distributed optical fiber module and the micro-electro-mechanical module monitor temperature, strain and dynamic response data of a building in real time through the optical fiber node and the micro-electro-mechanical node respectively, and transmit the data to the central processing module; the central processing module is responsible for analyzing and predicting data in real time and generating a control instruction; after the material control module receives a control instruction, the control instruction is converted into an electric signal or a magnetic field control signal through the signal processor, the drive circuit and the interface unit, a material assembly in the execution module is driven to deform or change physical characteristics, and the structural rigidity and damping of a building are dynamically adjusted. The rigidity and damping of the building structure are dynamically adjusted, the shock resistance of the building in the fault area is improved, and the safety and stability of the building are improved.

The invention discloses a photoelectric ball protection device for a reconnaissance type unmanned aerial vehicle. A photoelectric ball (2) is arranged at the belly of the unmanned aerial vehicle in front of a nose landing gear (1); a supporting mechanism (3) of the nose landing gear (1) is connected with a front fork (4) through a pair of double-lug bolts, and the front fork (4) is connected with a front wheel (5); the double-lug bolts are respectively a strong bolt (6) and a weak bolt (7); under the condition that the airplane heavily lands or rushes out of a runway, the weak bolt (7) is cut off, and the lower part of the front fork (4) can be stopped after rotating around the strong bolt (6) by a preset angle; after locking, the total descending height of the nose landing gear (1) is smaller than the sum of the total compression distance of a buffer of the nose landing gear (1) and the safe distance between the photoelectric ball (2) and the ground. The survival probability of the photoelectric ball in airplane heavy landing and runway rushing-out accidents can be improved.

The invention discloses a ship-based 5G clock synchronization system and method, and belongs to the design of mobile communication networks, and the system at least comprises a main clock source, a standby clock source, a bearer network I, a bearer network II, a bearer network III, a 5G base station, and a 5G core network. The main clock source and the standby clock source are used for providing clock messages for a bearer network composed of the bearer network I, the bearer network II and the bearer network III, and the priority of the main clock source is higher than that of the standby clock source; the bearer network I, the bearer network II and the bearer network III are all in signal connection with the 5G core network and the 5G base station; the main clock source, the standby clock source and the 5G base station are common clock nodes; the bearer network I, the bearer network I and the bearer network III are boundary clock nodes; the main clock source and the standby clock source are both 1588V2 clocks. Therefore, frequency synchronization and time synchronization can be provided at the same time, the main clock source and the standby clock source are provided, and the technical problems of potential safety hazards, poor survivability and the like in a current ship-borne scene are solved.

The present application relates to a wave power generation device, including a floating platform, a plurality of wave power generation units and a turbine unit; the plurality of wave power generation units are connected to each other and to the floating platform to form an annular structure; the wave power generation unit includes a floating structure, a seawater flow channel and an air flow channel are arranged in the floating structure, the air flow channel is located above the seawater flow channel and is connected to the seawater flow channel; a seawater flow channel outlet is opened on the side of the floating structure away from the center of the annular structure, and the seawater flow channel outlet is used to connect the seawater flow channel with the sea; the turbine unit includes an air turbine and a generator, and the air turbine connects the air flow channel and the generator. In this way, the anti-overturning ability of the wave power generation device can be improved, the stability of the wave power generation device can be effectively improved, and the survivability of the wave power generation device in extreme sea conditions can be improved; the frequency response width of the wave power generation device can be effectively widened, and then the power generation efficiency of the wave power generation device can be effectively improved.

The invention belongs to the technical field of radars, and discloses a radar networking anti-interference method based on a digital array radar software definition multifunctional digital radio frequency technology. Various working modes of conventional radar narrowband and broadband detection, multi-station cooperative detection and anti-interference, external radiation source cooperative detection, single-station / double-station MIMO detection, channelized external electromagnetic environment cognitive reconnaissance, cooperative interference, detection and drying integration, multi-platform communication and the like can be realized at the same time. High-isolation signal frequency diversity is realized by using a wide-narrow band signal receiving and transmitting channelization technology, effective coding isolation diversity is realized by using coding pulses, and multifunctional signal time diversity is realized based on partial function time division multiplexing. According to the method, a set of broadband hardware system with composite functions is reused, electronic functions required by a radar networking system are achieved through different software, the purpose of software definition functions is achieved, and meanwhile the anti-interference capacity of the networking system is enhanced.

The invention relates to the technical field of photoelectric detection and radars, in particular to a calibration method, system and device for a radar and a laser anti-collision device and a medium, and aims to track and lock the same dynamic non-cooperative target through the laser anti-collision device and the phased array radar. Synchronously acquiring spherical coordinate observation data of the dynamic targets in the public view field under respective coordinate systems; and after the spherical coordinates are converted into rectangular coordinates, calculating a point set centroid, constructing a covariance matrix and performing singular value decomposition based on a rigid body transformation model, and directly solving a rotation matrix and a translation vector from a radar coordinate system to a laser anti-equipment-free coordinate system, thereby completing calibration. No external absolute coordinate reference is needed, only relative observation data of equipment is utilized, and the method has the advantages of being rapid in deployment, high in environmental adaptability, low in cost and high in calibration speed. The problems that in the prior art, a calibration system depends on RTK or a high-precision map, the environmental adaptability is poor, and the deployment requirement is high are solved.

The present invention belongs to the technical field of soil improvement, and relates to a soil conditioner for desertified vegetation and a preparation method thereof. The raw materials of the soil conditioner include: straw charcoal, humic acid, polyacrylamide, bentonite and composite bacterial agent, wherein the composite bacterial agent is composed of bacillus and mycorrhizal fungi. The prepared soil conditioner can be used for desertified soil to improve the structure of desertified soil, and has the effects of water retention, fertilizer retention and air permeability. In addition, the raw materials of the present invention are easy to obtain, the preparation method is simple, and it is suitable for large-scale production and application.

The invention discloses a four-rotor-flapping-wing hybrid layout aircraft, including a hybrid layout aircraft fuselage and a hybrid layout aircraft control system; the hybrid layout aircraft fuselage is composed of a four-rotor aircraft frame and a bird-like flapping-wing aircraft fuselage embedded together, the four-rotor aircraft frame includes a four-rotor bracket and four rotors, the four-rotor bracket includes a bracket body, four rotor support rods are arranged around the bracket body, and the rotor motors of the four rotors are fixed to the ends of the four rotor support rods of the bracket body; the bracket body of the four-rotor bracket is embedded in the fuselage of the bird-like flapping-wing aircraft, and the left and right flapping wings of the bird-like flapping-wing aircraft are respectively located between the front and rear rotors of the side; the hybrid layout aircraft control system includes an aircraft remote controller, a four-rotor flight control system, a bird-like flapping-wing flight control system and a flight mode controller. It has the characteristics of strong adaptability to the flight environment, safety and reliability, and easy operation.

The present invention belongs to the technical field of wave energy power generation, and discloses a novel oscillating water column wave energy conversion device that can adapt to wave conditions. The front wall of the device can move forward and backward and rotate, and the front and rear positions of the front wall can be adjusted according to the incident wave conditions, so that the natural frequency of the oscillating water column in the device matches the incident wave, thereby ensuring that the device can have a good wave energy capture efficiency under waves of different frequencies; a hydraulic energy catcher is connected to the top of the front wall, and one end of the hydraulic energy catcher slides on a guide rail to absorb the kinetic energy generated by the rotation of the front wall, further improving the energy capture effect of the wave energy device. Based on the characteristic of being able to change the width of the air chamber of the oscillating water column wave energy device, the present invention improves the wave frequency adaptability of the device, so that it can achieve efficient conversion of wave energy under conditions of incident waves of different frequencies, and the swingable front wall can further improve the energy capture effect of the device.

The invention relates to combined lactobacillus salivarius LS360 for preventing and / or improving female genital tract infection and application of the combined lactobacillus salivarius LS360. The combined lactobacillus salivarius LS360 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC NO.32134, and the combined lactobacillus salivarius LS360 has good biological characteristics and endurance capacity and can be used for preventing and / or improving female genital tract infection. The traditional Chinese medicine composition has a relatively strong inhibition effect on main vaginitis pathogenic bacteria, is effective on nutritional pathogenic bacteria, and can also reduce form transformation and biological membrane formation of the nutritional pathogenic bacteria and prevent and treat drug resistance; besides, the bacterial strain and the fermentation product can also reduce the content of pathogenic bacteria metabolites, regulate the secretion of cell factors and play a role in relieving inflammation, so that the bacterial strain and the fermentation product can be used for preparing products for preventing and treating female genital tract pathogenic bacteria infection, preventing and treating vaginitis and / or removing pudendum peculiar smell.

The application discloses a multi-modal post-fusion invisibility method based on reinforcement learning, an electronic device and a medium, and the method comprises the following steps: acquiring a visible light image and an infrared image; generating an initial mask by an agent; setting the initial mask for the visible light image and the infrared image; inputting the visible light image with the mask into a visible light detector to obtain a confidence score of a target object in a visible light mode; inputting the infrared image with the mask into an infrared detector to obtain a confidence score of the target object in an infrared mode; performing post-fusion processing on the above scores to obtain a post-fusion confidence score; when the above three confidence scores are all less than a threshold value, the target object completes invisibility; otherwise, a reward function is calculated, reinforcement learning parameters are updated, an updated mask is generated by the agent, the above steps are repeated for iteration, and the above three confidence scores are all less than the threshold value.

This invention relates to the field of camouflage technology and discloses an inflatable camouflage device. The inflatable camouflage device includes a side inflatable module, a top inflatable module, and a camouflage decorative layer. The side inflatable module includes two side inflatable frames disposed on opposite sides of the device to be camouflaged. A first connector and a second connector are provided on the side inflatable frames. The first connector is used to connect to the device to be camouflaged. The side inflatable frames can be inflated and deployed or deflated and rolled up. The top inflatable module includes a top inflatable frame. A third connector and a fourth connector are provided on the top inflatable frame. The third connector is used to connect to the top of the device to be camouflaged. The top inflatable frame can be inflated and deployed or deflated and rolled up. The camouflage decorative layer can cover the upper surfaces of the side and top inflatable modules and can be detachably connected to the second and fourth connectors. This inflatable camouflage device is convenient and quick to set up and dismantle, can achieve multi-band camouflage, and provides good vehicle mobility and combat capabilities.

The variable centrifugal fly rod assembly comprises a centrifugal fly rod base, a centrifugal fly rod guide sleeve, a pre-tightening adjusting assembly, a linear bearing, a centrifugal fly rod guide rod with an end table arranged at the inner end, a centrifugal fly rod spring and a fly rod balance weight sleeve arranged at the outer end of the centrifugal fly rod guide rod in a sleeving mode. The centrifugal fly rod guide rod is sleeved with the centrifugal fly rod spring, the centrifugal fly rod spring is limited between the end table and the linear bearing and can be switched between an initial compression state and a re-compression state, and the centrifugal fly rod guide rod abuts against the pre-tightening adjusting assembly in the initial compression state; and after the rotating speed of the wind turbine impeller reaches a preset rotating speed, the centrifugal fly rod guide rod moves outwards to enable the centrifugal fly rod spring to enter a re-compressed state. The maximum rotating speed of the small wind turbine is reduced again, the service life of the generator, the main shaft brake and the like is prolonged, the small wind turbine can be compatible with a permanent magnet generator with higher voltage, the wind energy conversion efficiency of the whole machine is improved, the using amount of red copper and rare earth permanent magnets is reduced, and the production cost of the whole machine is reasonably reduced.

The invention relates to the technical field of unmanned aerial vehicle control, and discloses an unmanned aerial vehicle rotor pulling force-based load weight measurement method, which comprises the steps of obtaining a plurality of original lift force measurement values generated by each rotor in a set sampling period when an unmanned aerial vehicle is in a stable flight state, and forming an original lift force value set corresponding to each rotor; performing data cleaning and validity verification on each lift original value set, and calculating to obtain an initial lift value of each rotor after removing abnormal values; and calculating a global lift reference value according to the initial lift values of all the rotors. According to the method, multi-sensor data can be effectively fused, and the influence of factors such as flight attitude and aerodynamic change is dynamically compensated in calculation, so that stable and reliable weight estimation can be provided when the unmanned aerial vehicle hovers, cruises and even executes certain maneuvering actions, and key data support is provided for flight control, endurance evaluation and task planning.

The method comprises obtaining text information to be sent, mapping the text information through word embedding to obtain a vector sequence of discrete words in the text information, encoding the vector sequence to obtain semantic representation information of the text information, performing nonlinear mapping conversion on the semantic representation information to obtain symbol vector information of the text information, performing adaptive denoising based on a signal-to-noise ratio on the symbol vector information to obtain a corrected signal, and sending the corrected signal. The technical scheme provided in the embodiments of the present disclosure realizes explicit modeling and dynamic compensation of channel noise through adaptive denoising based on a signal-to-noise ratio, and also discards high delay, high complexity and bandwidth waste caused by repeated retransmission in a poor channel through an end-to-end strong robustness design.