23results about How to "Solve complexity" patented technology

The application relates to a contact analysis method and application of an arc tooth bevel gear based on tooth surface topology modification, and belongs to the technical field of gear transmission analysis. The method is as follows: based on basic geometric parameters and machine tool machining parameters of the arc tooth bevel gear, a meshing equation and a pinion conjugate tooth surface equation are constructed, and then a topology modification model is obtained; based on the meshing equation and the pinion conjugate tooth surface equation, an instantaneous contact line Gamma0 on the pinion conjugate tooth surface is established, and then through projection and inverse projection, an actual pinion tooth surface instantaneous contact line Gamma1 corresponding to the Gamma0 is obtained; the contact area boundary of the tooth surface is demarcated through the topology modification model, and the Gamma0 and the Gamma1 are contact-aligned through an angular positioning angle; distance judgment and contact analysis are carried out on the contact-aligned instantaneous contact line, and corresponding contact characteristics, namely a contact trace, a contact mark and a transmission error, are obtained. The method is helpful to improve the calculation stability of the contact analysis method, reduces the calculation time, and can improve the design efficiency and quality of the arc tooth bevel gear.

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 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.

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 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 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.

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.

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 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 utility model discloses an electric valve and refrigeration equipment relates to refrigeration control technical field, wherein, the electric valve includes lower valve seat, upper valve seat subassembly and valve core subassembly, upper valve seat subassembly includes upper valve seat, bearing and screw rod, the first end recessed with guide groove of upper valve seat, the groove bottom of guide groove is provided with the mounting hole of the second end of upper valve seat, the screw rod is worn in the mounting hole, and is installed in the second end of upper valve seat through bearing, valve core subassembly includes nut, valve core and sealing washer, valve core is installed in guide groove, and one end of valve core is installed with nut, through the direct forming of guide groove in upper valve seat, need not use guide sleeve, sealing washer is directly set up in the periphery of valve core and is formed integral whole with it, need not set up pressure sleeve and so on spacing component to fix sealing element, when pushing valve core subassembly into guide groove, the nut can be automatic extension into mounting hole and cooperate with screw rod, need not promote valve core subassembly and carry out the joint of screwing, to solve the problem that the electric valve structure of current and assembly process is complex.

This application provides a large-capacity, high-efficiency lithium-ion battery energy storage device, belonging to the field of new energy power equipment technology. The device includes: a prefabricated cabin, which is divided into a battery compartment and an electrical compartment by a first double-layer wall panel; the electrical compartment is divided into a combiner control compartment and a cooling compartment by a second double-layer wall panel; a combiner control cabinet is installed in the combiner control compartment, and a fire suppression system is installed in the cooling compartment; a battery rack is provided in the battery compartment, which is used to place liquid-cooled battery packs and high-voltage boxes; several liquid-cooled battery packs are flexibly directly connected through low-impedance copper busbars to form battery clusters; every two battery clusters are connected to one high-voltage box; every four battery clusters and two high-voltage boxes form a battery stack, and a total of two battery stacks are provided; the two battery stacks are respectively connected to the combiner control cabinet. This solves the high impedance and heat dissipation problems caused by traditional multi-strand wire connections, achieves synergistic optimization of current carrying capacity and temperature control effect, and reduces the space occupied by wiring in the cabin.

The utility model relates to air cushion technical field discloses a kind of self-adapting air cushion and furniture, self-adapting air cushion includes sensing layer, sponge layer, air bag layer and control component, sensing layer includes base body and the pressure sensor of array setting on base body, base body can be deformed under external force;Air bag layer includes multiple columns of air bag arranged side by side, and the two sides of sponge layer are connected base body and air bag respectively;Control component includes air bag control module, main air pipe and multiple gas distribution pipes, air bag control module connects the air inlet end of main air pipe, and each gas distribution pipe parallelly connects the air outlet end of main air pipe;Each gas distribution pipe extends to each column air bag, and is connected each air bag;Gas valve assembly is connected between gas distribution pipe and each air bag, and air valve assembly is electrically connected with air bag control module, air bag control module controls air valve assembly, and supplies air to each air bag.The utility model aims at solving the technical problem that air bag air path arrangement of self-adapting mattress is complex, influence air bag arrangement, reduce the comfort of mattress.

This invention discloses a composite disturbance rejection control method and system for permanent magnet synchronous motors (PMSMs) based on recurrent neural network disturbance estimation and prediction. It constructs a dynamic model of the PMSM considering parameter uncertainties, slowly varying load disturbances, and impulsive load disturbances. A recurrent neural network with a self-feedback structure for historical disturbance estimation is designed. This network learns the dynamic characteristics of disturbances online through a recursive structure and estimates the current disturbance in real time. Simultaneously, it predicts the disturbance at the next moment while keeping the network weights constant, thus compensating for the computation and execution delays of the control system. A fixed-time non-smooth robust controller is designed, using the residual error after prediction compensation as input to rapidly suppress sudden impact disturbances. The predicted disturbance is introduced into the controller as feedforward compensation, constructing a predictive-feedback cooperative composite control law to achieve hierarchical suppression of multi-source disturbances. This invention improves the dynamic response performance, disturbance rejection capability, and control stability of PMSMs in complex operating environments.

This utility model belongs to the field of vehicle parts technology, and provides a sealing strip snap-fit ​​structure and a vehicle. The snap-fit ​​structure includes: a structure for snapping a sealing strip onto a vehicle drain trough, forming a seal between the vehicle drain trough and the inner sheet metal of the hood. The snap-fit ​​structure includes: a first snap-fit ​​part, with multiple first snap-fit ​​parts spaced apart on the sealing strip; and a second snap-fit ​​part, with a second snap-fit ​​part on the drain trough corresponding to the first snap-fit ​​parts, and the first snap-fit ​​parts and the second snap-fit ​​parts are movably snap-fitted together. Compared with the prior art, this utility model solves the problems of increased cost and complex assembly caused by the need for additional components in traditional snap-fit ​​installation by setting elastically deformable first snap-fit ​​parts and / or second snap-fit ​​parts between the sealing strip and the vehicle drain trough, and achieving a movable snap-fit, while avoiding the defects of high mold cost, complex process, and poor adaptability in two-color injection molding.

The application relates to an experimental system and method for collecting life degradation data of a conductive slip ring, which comprises a slip ring assembly, a drive system, a current-carrying loop and a vibration sensor. The slip ring assembly comprises a conductive slip ring, a slip ring fixing clamp and a slip ring transmission shaft. Each ring channel of the conductive slip ring is short-circuited in pairs through a wire on the side of the shaft to form a rotating closed loop circuit. The drive system comprises a servo motor, a first coupling and a second coupling. The servo motor drives a torque sensor fixed in a sensor clamp through the second coupling and transmits rotating power to the slip ring transmission shaft through the first coupling to drive the conductive slip ring to rotate. In the current-carrying loop, a direct-current power supply is used to supply power to the overall loop structure to form a plurality of independent test branches, and each test branch is connected in correspondence with the short-circuit ring channel of the conductive slip ring. The vibration sensor is used to collect the vibration signal of the conductive slip ring. The data acquisition unit is used for synchronously collecting and storing experimental data. The experimental bench is used for bearing the above components.

This invention provides a method for obtaining S-intercalated MXene by in-situ vapor-phase sulfidation etching of the MAX phase, belonging to the field of novel two-dimensional materials technology. In this invention, thioacetamide powder is placed upstream of a tube furnace, and MAX powder is placed downstream. Under heating conditions, the MAX phase is etched in-situ via vapor-phase sulfidation to obtain MXene with functional element S intercalation. Compared to the existing wet etching and re-intercalation method, this invention eliminates the use of high-risk fluorine / halogen reagents, avoiding the risks of using, storing, and transporting large quantities of high-risk liquid chemicals, thus greatly improving the intrinsic safety level of the process. Furthermore, this invention achieves in-situ, uniform intercalation of functional sulfur elements simultaneously with the etching of the MAX phase, resulting in S-intercalated MXene materials with expanded interlayer spacing, controllable termination, and excellent electrochemical performance, broadening the application prospects of MXene in high-performance devices.

This invention proposes an activated carbon wet desulfurization device, belonging to the field of wet desulfurization technology. It solves the problems of high operating costs, easy scaling, and difficult byproduct disposal in traditional wet desulfurization devices. The device comprises a box-type structure, including a shell with a horizontally arranged dividing wall plate inside, dividing the interior into upper and lower regions. The lower region is the primary desulfurization zone, and the upper region is the secondary desulfurization zone. An inlet pipe is inserted into the inlet pipe interface. A primary activated carbon assembly is installed in the primary desulfurization zone, located above the inlet pipe. A primary hanger is installed at the lower part of the dividing wall plate, connected to a primary spray pipe. A secondary activated carbon assembly is installed in the secondary desulfurization zone. A secondary hanger is installed on the inner wall of the top of the shell, connected to a secondary spray pipe. An outlet pipe is located at the top of the shell, communicating with the secondary desulfurization zone. It is mainly used for activated carbon wet desulfurization of acidic gases.

The application discloses a kind of optical fiber spectrometer and spectral detection method, it is related to spectral detection technical field, the optical fiber spectrometer includes optical signal receiving module, transmission optical fiber and integrated in integrated shell optical fiber end face miniature optical splitting device, signal acquisition module, spectral information processing module.Optical signal receiving module is converted into parallel light signal after light signal, transmission to the optical fiber end face miniature optical splitting device that binary Fresnel diffraction lens is etched in transmission optical fiber core using photolithography method, obtain circular diffraction spot, and it is irradiated to signal acquisition module;Signal acquisition module is converted into electrical signal by circular diffraction spot, and transmission to spectral information processing module, obtain spectral information.The application directly integrates optical splitting element in optical fiber end face, simplifies optical path design, realizes the miniaturization and portable of equipment by integrated shell, so that compact structure, stable performance, can realize high-precision real-time spectral detection, applicable to a variety of spectral analysis scene.

This utility model discloses a chain pallet trolley, including a frame, a traveling mechanism, and a double-row chain conveyor mechanism. Two double-row chain conveyor mechanisms are installed on the left and right sides of the frame, and the traveling mechanism is installed at the bottom of the frame. Through the two double-row chain conveyor mechanisms, sorted items can be conveyed to the corresponding sorting ports. For heavier goods, the chain-supported conveyor effectively solves the technical problems of belt-based sorting in the prior art, such as "severe belt wear and aging, easy belt damage, frequent maintenance, and increased maintenance costs," achieving stable transmission and reducing maintenance frequency and costs.