57results about How to "Solve complexity" patented technology

The invention discloses a method for efficiently generating high-brightness gamma radiation, and belongs to the technical field of radiation. A relativistic electron beam is injected into the porous microstructure foam target material, and high-brightness gamma ray radiation is generated. According to the method, the used device is simple, only the single relativistic electron beam and the porous microstructure foam target material are needed to interact, compared with a traditional uniform-density solid material, the energy conversion efficiency in the interaction process of the electron beam and a substance can be remarkably improved, and the energy conversion efficiency can be remarkably improved through the effective constraint effect of a high-intensity magnetic field. And the problems of low energy conversion rate, low light source brightness, poor radiation directivity, complex device or difficulty in experiment implementation and the like of the existing high-energy gamma ray radiation source are solved.

The utility model discloses a treadmill capable of manually adjusting gradient, which comprises a treadmill main body, and at least one connecting piece is fixedly arranged on the treadmill main body; the at least one lifting adjusting assembly is detachably and adjustably arranged on the running machine main body; the lifting adjusting assembly comprises an adjusting block, a plurality of adjusting holes are longitudinally formed in the adjusting block in a penetrating mode, and fasteners penetrate through the adjusting holes to be detachably connected with the corresponding connecting pieces in a threaded mode, so that gradient adjusting operation of the treadmill body is achieved, and meanwhile the lifting adjusting assembly has the advantages of being simple in structure and low in cost. The problems that a slope adjusting mechanism of an existing treadmill is complex in structure and high in cost are effectively solved.

The application provides a kind of shipboard aviation equipment composite material damage D-S evidence theory nondestructive evaluation method, belongs to the field of shipboard aviation equipment nondestructive evaluation, it includes the following steps: at time, the triaxial damage area characteristics and triaxial vibration frequency characteristics of the composite material structure of shipboard aviation equipment are synchronously acquired and stored;The triaxial damage area characteristics and triaxial vibration frequency characteristics at time are compared respectively, and the corresponding triaxial damage area change degree and triaxial vibration frequency change degree are obtained;The identification framework of D-S evidence theory is established, and the triaxial mass function of the composite material structure is calculated respectively;According to the created D-S damage judgment model, the classification judgment and early warning of the composite material damage of shipboard aviation equipment are carried out.The application can realize the real-time classification evaluation of the dynamic damage of the composite material component of shipboard aviation equipment, and provide data support for the condition-based maintenance of shipboard aviation equipment.

The utility model discloses an extensible double-ring information system, which comprises a first link, a second link and a server, the first link comprises a first monitor, the second link comprises a second monitor, the tail end of the first monitor in the first link is provided with a plurality of first monitors, and the tail end of the second monitor is provided with a plurality of second monitors. A plurality of second monitors are arranged at the tail ends of the second monitors in the second link, the first link and the second link form a double-ring layout, a setting and reporting mechanism of the wireless local area devices is provided, and the problems of high complexity and high cost during arrangement and repair of wired devices are solved. The wireless device does not need cables such as optical fibers or copper wires as signal transmission media, and only needs power lines. Since most devices are internally provided with power supply allocation circuits, the reasonable power supply voltage drop or voltage fluctuation of the power line still belongs to an acceptable range, and the adaptation of the wireless device is greatly improved.

The utility model discloses a circuit breaker, relating to the technical field of electric appliances, the circuit breaker comprises a shell, and a wiring terminal assembly, a switch assembly, a main control board and a flexible circuit board which are arranged in the shell, the wiring terminal assembly comprises a first wiring terminal and a second wiring terminal, a main loop is formed between the first wiring terminal and the second wiring terminal, and the main loop is connected with the switch assembly. The switch assembly comprises a moving contact which is arranged on the main loop and is connected with the first wiring terminal and a static contact which is connected with the second wiring terminal; the flexible circuit board comprises a circuit board body, a voltage detector and a temperature sensor, the voltage detector and the temperature sensor are arranged on the circuit board body, one end of the circuit board body is electrically connected with the first wiring terminal, the other end of the circuit board body is electrically connected with the main control board, and the voltage detector and the temperature sensor are used for detecting the voltage and the temperature of the first wiring terminal respectively. The main control board and the first wiring terminal are connected through the flexible circuit board, the complex wiring structure in the circuit breaker can be simplified, and the large-scale production efficiency is improved.

The utility model relates to the technical field of lifting toys, in particular to a kicking lifting egg machine core which structurally comprises a shell, a strip-shaped opening is formed in the lower portion of the shell, and a wire outlet is formed in the top of the shell. The motor is arranged in the shell; the winch is in transmission connection with the motor, a wire harness is wound on the winch, the wire harness extends out of the shell through the wire outlet, and a limiting block is arranged on the wire harness; the switch assembly is arranged in the shell, the motor is electrically connected with the switch assembly, and when the winch winds the wire harness with the preset length, the limiting block triggers the switch assembly; and the swing leg is in transmission connection with the winch, the swing leg partially extends out of the strip-shaped opening, and under the condition that the winch rotates, the swing leg swings. The kicking lifting egg machine core can solve the problem that an existing toy is single in action or complex in structure.

The invention discloses an engineered adoptive macrophage based on a nano battery as well as a preparation method and application thereof, and belongs to the technical field of biological medicines. The preparation method disclosed by the invention comprises the following steps: taking an immunologic adjuvant working solution as a raw material, and obtaining nanoparticles with high drug loading capacity through an assembly effect; as the main energy of ChARM comes from an immunologic adjuvant, the high-drug-loading nano-particle is also called a high-energy-density nano-battery. Diluting the obtained nano particles with a cell culture medium, and co-incubating the diluted nano particles and macrophages to obtain engineered macrophages loaded with the anti-tumor or anti-inflammatory nano battery; the assembly mode is any one of supramolecular assembly, prodrug assembly or metal coordination assembly; the high-density drug-loaded nano battery can endow engineered cells with excellent biological functions. The method solves the technical problems that the preparation of the existing CAR-M is expensive, the gene modification is complex, and the nano-drug delivery system is unstable.

The utility model discloses a kind of separation and purification system of secondary steam in MVR evaporation system, including cylinder, cylinder is sequentially distributed with cyclone separation chamber, purification settling chamber and silk screen demisting chamber from bottom to top, cyclone separation chamber middle part has spray washing chamber, spray washing chamber bottom is connected with cyclone separation chamber, spray washing chamber top is connected with purification settling chamber, cyclone separation chamber is connected with steam inlet pipe, silk screen demisting chamber is connected with steam outlet pipe, cyclone separation chamber has collection tank, collection tank is used to collect the droplet of secondary steam being thrown to cylinder wall, spray washing chamber has spray pipe, spray pipe is used to spray atomized washing liquid contact secondary steam absorption volatile component contained;By cyclone separation, countercurrent spray washing, sedimentation and silk screen demisting four-stage treatment process, liquid droplet, mist droplet and volatile component in secondary steam are purified gradually, greatly improve the purification quality of secondary steam, effectively solve the problem of poor effect of traditional purification mode.

This application discloses an FC network simulation method, apparatus, and electronic device based on a simulation platform, relating to the field of optical communication network simulation technology. The method includes: configuring simulation parameters and constructing an FC node model to generate FC packets. An FC switch model is constructed based on the simulation parameters, including a switch port model, a message distribution model, and a switch processor model. The switch port model includes cascaded ports, achieving accurate simulation of large-scale networks. FC packets are sent from the FC node model to the switch port model and then uploaded to the message distribution model via the switch port model. Based on the message distribution model, the FC packets are distributed to the switch processor model or cascaded ports according to packet field information. Based on the switch processor model or cascaded ports, the FC packets are cached and forwarded to the corresponding target node model based on priority, achieving a reliable distribution mechanism and improving the adaptability of the simulation.

The application discloses a bronchoscope supply-demand dynamic matching method based on multi-source data fusion, comprising: collecting multi-source heterogeneous data and performing fusion processing to obtain a device feature matrix, a demand feature matrix and an environment feature vector; determining a score calculation strategy according to a comparison result of a historical matching data accumulation amount and a preset threshold, determining a device availability score and a demand urgency score based on the device feature matrix and the demand feature matrix according to the score calculation strategy; constructing a device queue and a demand queue, attaching an initial scene label to each demand and performing identification, and outputting a standardized scene type; outputting an optimal matching scheme through a reinforcement learning intelligent agent based on the device queue, the demand queue, the standardized scene type and the environment feature vector; performing intelligent scheduling based on the optimal matching scheme, updating the queue based on external real-time events, and if both queues are non-empty at the same time, obtaining a new optimal matching scheme, otherwise, keeping a waiting state. The application can improve matching efficiency and accuracy.

The invention discloses a medical insurance cross-hospital prescription compliance detection method and system based on a date counting slot. The method comprises the following steps: acquiring prescription information of a current prescription; obtaining a cross-hospital historical drug preparation record, corresponding to the general drug name, of the insured in a preset time window; determining a corresponding medication time interval according to the historical medication date and the historical medication day number for each historical medication record, and performing counting operation on a preset date counting slot based on the medicine return identifier; traversing a date counting slot, and determining a first effective medicine opening date corresponding to the general name of the medicine by accumulating a counting value; and judging whether the current prescription forms illegal advanced medicine preparation or not based on the first effective medicine preparation date, the current medicine preparation date and a preset threshold value of the number of days for allowing advanced medicine preparation. Unified marking and accumulation calculation are carried out on the intervals through the date counting slot, linear counting and accumulation based on a fixed time window are achieved, the time complexity of an algorithm is reduced, and efficient real-time judgment of illegal advanced medicine preparation is achieved.

The application discloses a front-end management method, computer equipment, a readable storage medium and a program product, and relates to the technical field of Internet. The front-end management method comprises the following steps: obtaining a front-end embedding request; wherein the front-end embedding request contains a target platform; identifying a preset group to which a front end to be embedded belongs as a target group; wherein front-end information associated with the preset group is used as reference information for generating front ends embedded in different platforms; and configuring group permission of the target group to the front end to be embedded, and embedding the front end to be embedded in the target platform according to the reference information. The technical effect of improving the front-end management efficiency and reliability is achieved.

The invention relates to a host management system and method of a pluggable artificial intelligence module. The system comprises a management processing unit, an independent power supply management unit, a temperature control and fault isolation unit and a standard high-speed interface slot array. The management processing unit is used for controlling the power-on or power-off of each slot according to the monitored state information of each standard high-speed interface slot; adjusting a hardware interconnection bandwidth allocated to each slot according to the structured capability description information of the inserted module and available bus channel resources of the system; according to the priority attribute information of the external calculation request and the structured capability description information and health state score of the registered module, the calculation task corresponding to the external calculation request is allocated to the corresponding artificial intelligence module, the data flow rate sent to each artificial intelligence module is adjusted, and the fault processing operation can be executed. Safe hot plug and flexible resource scheduling of multiple modules are achieved, the system reliability is high, the resource utilization rate is high, and the operation and maintenance automation level is high.

The application provides a paper folding design method and system based on a diffusion model and a physical information neural network, and belongs to the technical field of paper folding structures, and comprises the following steps: obtaining point cloud data of a target three-dimensional paper folding shape and corresponding text description information; generating a two-dimensional crease pattern by using a graph diffusion model according to the point cloud data and the text description information, and ensuring that the crease pattern conforms to a specified three-dimensional shape by using conditional coding; and optimizing the two-dimensional crease pattern by using a physical information neural network to obtain a final two-dimensional paper folding diagram. By combining the diffusion model and the physical constraint neural network, high-precision modeling of the crease pattern is realized, it is ensured that the generated pattern can be folded in geometry and physics, and therefore the design efficiency and accuracy are improved.

The invention discloses a certificateless weighted multi-identity cross-domain authentication scheme combined with a block chain, and aims to solve the problem that the existing related technology is difficult to adapt to diversified authentication of a complex Internet of Things environment. According to the method, a certificateless weighted cross-domain authentication scheme is designed by considering the multi-identity characteristics of cross-domain users and the credible weight difference of different identities. According to the scheme, a distributed block chain structure is adopted, and the non-tampering performance and the synchronization reliability of parameters are guaranteed; through cooperation of a threshold signature algorithm and a certificateless signature algorithm, the overall security of the system is maintained, and the third-party key escrow risk is thoroughly avoided. Besides, the digital signature protocol integrated with the identity weight is designed to realize differential authentication, the user with higher credible weight only needs less part of identity information to complete authentication of the user with low weight, and the efficiency is greatly improved. According to the invention, the security, reliability and flexibility of cross-domain authentication are enhanced, specific scene requirements of the Internet of Things are adapted, and an efficient solution is provided.

This utility model provides a transfer loading and unloading device for the automation industry, relating to the field of automation technology. It includes a base frame, a mounting frame on top of the base frame, two legs on one side of the mounting frame, and a guide frame on the side of the mounting frame away from the legs. The guide frame has guide grooves on its surface and a first slide rail at its bottom. A movable frame is mounted on the first slide rail via a first slider. Therefore, when the rotating frame swings left and right, a second slider moves up and down on the second slide rail. The movable frame mounted on the second slide rail then moves left and right on the first slide rail via the first slider. Ultimately, through this combined motion, the second slider drives the electric gripper at the bottom, clamping the product and smoothly moving it along the direction of the guide groove, thereby accurately transferring the product from the starting position to the target position. The entire movement process is completed through simple mechanical transmission, solving the disadvantages of high mechanical cost and relatively complex structure.

The invention provides a configuration center instance localization anomaly checking method and device and electronic equipment. Comprising the steps that current configuration center resource information is converted into tuples and to-be-checked configuration information, and the to-be-checked configuration information comprises the incidence relation between application examples and machine rooms to which resources belong and the incidence relation between the resources and the application examples; obtaining governance rules, the governance rules including a first rule, a second rule and a third rule, the first rule being that the application instance can only be associated with a machine room to which one resource belongs, and the second rule being that each application instance in an application instance list associated with any resource should be a machine room to which the same resource belongs; the third rule is that the instance ID associated with any resource corresponds to the name of the application instance; and according to the governance rule and the tuple, performing exception check processing on the association relationship of the to-be-checked configuration information to obtain an exception detection result. The problems that the maintenance cost is high and the efficiency is low due to the fact that screening judgment is carried out through a command programming mode in existing instance localization anomaly detection are solved.

The application relates to the technical field of data storage, in particular to a sharding archiving and back migration storage method and system using a sorting set mechanism, which comprises the following steps: a CLI receives a command to start various components, carries out configuration periodic archiving and file metadata scanning; interacts with XDFS, stores generated data into a database table, and stores sharding files into a cold storage device to keep a stub in the XDFS; when a gluster client reads a local unarchived file in a volume, sharding metadata {slice number: timestamp} is saved into a set cs-hot-{gfid} of Redis; when an archived file is read and written, corresponding sharding files are downloaded according to file extension attributes and a current read-write offset value. The application provides a low-cost expansion scheme for existing tight storage space; through sharding metadata design, network and CPU resources of the system are minimized; through the design of distributed archiving, maximum throughput performance is obtained.

The invention discloses a ship maintenance progress prediction method based on multi-source data fusion and machine learning, and the method comprises the following steps: 1, obtaining multi-source data, and constructing a multi-source heterogeneous data set; 2, preprocessing and feature engineering processing are carried out on the multi-source heterogeneous data set, and the multi-source heterogeneous data set is converted into feature data needed by machine learning model input; 3, constructing a prediction model based on LightGBM and quantile regression, and training the prediction model through the feature data; 4, predicting the ship maintenance progress by using the trained prediction model; and 5, updating the prediction result of the ship maintenance progress in real time through Bayesian updating based on the progress performance index. According to the method, the project static attribute, the repair project network, the historical performance, the real-time resource state, the material supply information, the environmental factors and the streaming progress data are systematically integrated, the feature vector comprehensively describing the project state is formed, and the problems of complexity and uncertainty of the ship repair project are solved.

This disclosure presents an embodiment of a bypass soft starter cabinet for use in central air conditioning systems. The cabinet body includes detachable circuit breaker support frames and controller support frames. Each of the four internal corners of the cabinet's top plate is connected to a lifting column with lifting holes. A load-bearing support frame is connected to the inner side of the cabinet's bottom plate. Ventilation openings are provided on the left and right side panels of the cabinet, and rain covers can be installed over these openings. Door sealing strips are provided around the cabinet doors. Cabinet openings are also provided around their perimeter. A junction box is connected to the outer side of the cabinet's rear panel. This structure can shorten the time spent on installation, repair, or maintenance of the bypass soft starter cabinet, reduce manpower consumption, improve the sealing and protection level of the bypass soft starter cabinet, and reduce the likelihood of deformation and damage during onboard transportation or installation of the central air conditioning system, thus enhancing safety.

The invention relates to a mobile power supply cell information transmission method and device based on a wireless charging coil, and relates to the technical field of wireless charging and battery management, and the method comprises the steps: determining a data transmission time period when a mobile power supply device transmits a wireless power signal; acquiring real-time parameters of a plurality of battery cells of the battery pack, and packaging the real-time parameters into a battery cell data packet in a preset format; and in the data transmission period, modulating the cell data packet by controlling the electrical parameters of the resonant circuit coupled with the transmitting coil, and generating and transmitting a modulated magnetic field signal carrying the cell data packet. And the terminal equipment with the coil obtains the modulation magnetic field signal induced by wireless charging coupling through the receiving coil, demodulates the cell data packet, extracts the real-time parameters of the cell in the cell data packet and visually displays the real-time parameters of the cell. According to the invention, on the premise of not adding extra communication hardware, the cost of reliable transmission and visualization of the battery cell state information to the user equipment can be reduced.

The application discloses an amorphous copper nanosphere catalyst, an ionic liquid-coated copper nanosphere catalyst and a preparation method thereof. The preparation method of the amorphous copper nanosphere catalyst comprises the following steps: mixing copper salt crystals with deionized water to obtain a copper salt aqueous solution which is fully dissolved; adding sodium borohydride into deionized water under a nitrogen atmosphere to obtain a sodium borohydride aqueous solution; slowly adding the copper salt aqueous solution into the sodium borohydride aqueous solution to obtain a mixed solution; and performing a low-temperature water bath reaction on the mixed solution under a nitrogen atmosphere to obtain the amorphous copper nanosphere catalyst. The preparation method of the ionic liquid-coated copper nanosphere catalyst comprises the following steps: sequentially adding the amorphous copper nanosphere catalyst into water and ethanol and washing; placing the amorphous copper nanosphere catalyst obtained after the soaking and washing into a vacuum oven for drying, then adding ionic liquid; adding isopropyl alcohol to fully mix and dissolve the amorphous copper nanosphere catalyst and the ionic liquid, then heating and evaporating the isopropyl alcohol, and finally obtaining the ionic liquid-coated copper nanosphere catalyst.

The application provides a construction worker unsafe behavior intelligent identification method and early warning system, the method comprises the following steps: obtaining a to-be-detected image of a construction site; inputting the to-be-detected image into a construction worker unsafe behavior identification model to obtain an unsafe behavior identification result of a construction worker; wherein the unsafe behavior at least includes an unworn state, a wrong wearing state or a blocked state of personal protective equipment; and the construction worker unsafe behavior identification model is a neural network model for target detection. The detection accuracy is significantly improved, and the fine-grained identification capability is enhanced. Since a learnable position coding component is introduced into the backbone network, the model can explicitly model the spatial position relationship of the feature map, enhance the spatial position perception capability of the personnel (especially small targets and blocked targets) in the construction scene under complex background interference, solve the problem that the traditional convolutional network is not sensitive to absolute position information, and improve the feature extraction accuracy in a complex background.

This invention relates to the field of household goods technology, specifically to a spray mop, comprising a mop handle, a mop head movably connected to the mop handle, a water pump mounted on the mop handle, a water tank mounted on the mop handle and connected to the water pump, and a nozzle mounted on the mop handle and connected to the water pump. The nozzle is rotatably mounted on the mop handle. The spray mop also includes a spray driving mechanism and an active adjustment mechanism. The spray driving mechanism includes a first trigger component and a first execution component mounted on the mop handle and mutually driven. The active adjustment mechanism includes a second trigger component and a second execution component. The spray angle of the nozzle is adjusted by the active adjustment mechanism, which is independent of the mop body. That is, when the spray angle of the nozzle needs to be adjusted, the second trigger component on the handle of the mop handle is adjusted, so that the second execution component, which is drivenly connected to the second trigger component, can adjust the spray angle of the nozzle. This facilitates installation and replacement and has a simple structure.

The application provides a FC-SAN-based device communication method and device, electronic equipment and storage medium, and relates to the technical field of communication. The method comprises the following steps: creating a logical storage space and an FC Target by a storage device at a storage device end, mounting the logical storage space under the FC Target, associating at least one client with the FC Target, and then creating at least one communication space corresponding to at least one client in the logical storage space; a port number of a target client is recorded in a first setting area of a target communication space corresponding to any target client in the at least one client, so as to limit the access of the target client to the target client and the storage device; in the case that the storage device completes the above process, the target client side also corresponds to determine that the communication condition is met, and the target client and the storage device communicate based on the target communication space. The application can enable efficient communication between devices without constructing an IP network, and reduce the deployment cost and management complexity of the FC-SAN.

This invention belongs to the field of unmanned surface vessel (USV) technology and discloses a large-scale dynamic obstacle avoidance and path tracking method for USVs based on the fusion of deep reinforcement learning and line-of-sight navigation. This invention boasts strong robustness and generalization ability: it employs a FEDT (Feature-Based Assisted Learning) strategy to train the DRL agent in a local dynamic environment, avoiding the complexity of training in a large-scale environment, while enabling the trained policy to effectively transfer and cope with unknown complex obstacles in a large-scale environment. It balances global tracking and local obstacle avoidance: by creatively combining LOS (Low-Installation-Side) navigation and DRL control, and utilizing an "obstacle-aware domain" for mode switching, it solves the problem that a single method cannot simultaneously achieve both long-distance tracking efficiency and short-distance obstacle avoidance flexibility. Smooth policy fusion: in obstacle avoidance mode, the LOS point is used as a temporary target for DRL, acting as a "bridge" to ensure that the USV can naturally and quickly converge back to the preset path after obstacle avoidance.

The utility model discloses a kind of straw pulverization zonal field return machines with homing function, belong to agricultural machinery technical field, including frame, the frame front end upper middle part is provided with three-point linkage mechanism, the three-point linkage mechanism rear is provided with gearbox, the gearbox rear is connected with transmission device, the transmission device lower side is connected with cutting pulverization device, the frame both sides are provided with ditching and covering shovel, the ditching and covering shovel inboard is provided with flow guide device, the frame rear is provided with depth device, the frame front end lower side is provided with straw homing device. The utility model adopts above-mentioned one kind of straw pulverization zonal field return machine with homing function, by concave surface grass-pulling disc wheel tooth directional collection straw, cutting pulverization device is driven by transmission device, pulverized straw is introduced into deep ditch by flow guide device, ditching and covering shovel complete covering, realize the high efficiency, low power consumption operation of straw homing.

The application relates to a self-disturbance control method, device, system and storage medium, wherein the self-disturbance control method comprises the following steps: in an observer module formed by cascading p-level extended state observers, a first-level observer determines output estimation, disturbance estimation and residual disturbance estimation at a current moment according to a real output of a controlled object, a nominal control quantity and output estimation at a previous moment; an i-level observer determines output estimation, disturbance estimation and residual disturbance estimation at the current moment according to the nominal control quantity, output estimation of a previous stage, output estimation at the previous moment of the i-level observer and a cumulative value of comprehensive disturbance estimation of the previous stage; a p-level observer determines a p-level state estimation vector and residual disturbance estimation; a control law module generates the nominal control quantity according to the p-level state estimation and a reference signal, and generates a control signal after synthesizing total disturbance estimation from the comprehensive disturbance estimation of all levels. Through the application, the contradiction between the estimation precision and the calculation complexity of the traditional CESO is solved.

The invention provides a photovoltaic junction box and a photovoltaic junction system, and the photovoltaic junction box comprises a positive terminal access port, a negative terminal access port, a first switch assembly, a positive terminal and a negative terminal. The second end of the first switch assembly is connected with the other end of the negative terminal access port and one end of the negative terminal, so that the photovoltaic module is conducted with the negative terminal. And the second end of the first switch assembly is disconnected with the other end of the negative terminal access port and one end of the negative terminal, so that the photovoltaic module is conducted with the positive terminal of the first adjacent photovoltaic junction box. Through automatic switching of the first switch assembly along with the access state of the positive terminal access port, the problems that in the prior art, extension lines and wire grooves need to be additionally arranged on odd-number-row assemblies of a photovoltaic array, and wiring is complex are solved.