58results about How to "Improve application flexibility" patented technology

The invention provides a multi-reflection superposition enhanced microwave displacement measurement method and system, and the method comprises the steps: S1, constructing a microwave multi-reflection propagation path, enabling a microwave radar to transmit electromagnetic waves to the microwave multi-reflection propagation path as a transmission signal, and receiving a corresponding echo signal; s2, extracting length change information of a microwave multi-reflection propagation path according to the echo signal; s3, establishing a linear superposition relation model between the total length of the microwave propagation path and respective displacements of W reflection surfaces in the microwave multi-reflection propagation path; w2; and S4, based on the linear superposition relation model, displacement information of the corresponding reflection surface is obtained and output. According to the invention, a larger phase variation can be obtained under the condition of small displacement or weak vibration, so that the measurement sensitivity is improved and the signal-to-noise ratio is improved.

The utility model provides a freight unmanned plane relates to unmanned plane technical field, including fuselage for loading goods, the fuselage tail lower portion is equipped with rear aircraft wheel, rear aircraft wheel is connected with the fuselage through support rod, rear wing is located the fuselage tail upper portion and has upper reflex angle, front wing is located the fuselage head lower portion and has lower reflex angle, the front wing both sides lower portion is equipped with front aircraft wheel, tail push propeller is located the fuselage tail, vertical propeller is located the fuselage both sides, wherein, tail push propeller drives through the fuselage upper oil dynamic piston engine, vertical propeller drives through fuselage upper motor. A freight unmanned plane in the utility model, solved the problem that the prior art lacks a freight unmanned plane capable of stable vertical take-off and landing and long range and large load.

The application relates to an energy storage device, belonging to the technical field of energy storage. The energy storage device comprises a container, a plurality of battery packs, a plurality of converters and a power distribution cabinet, the container comprises a battery cabin and an electrical cabin; the plurality of battery packs are arranged in the battery cabin in series into clusters, the direct current side of each converter is electrically connected with at least one battery cluster, and the alternating current side of the plurality of converters is electrically connected with the power distribution cabinet. In the application, a single converter can monitor and control a smaller number of battery clusters, the control precision can be improved, the circulating current problem of traditional centralized converters can be optimized, and the energy efficiency of the energy storage system can be improved.

Power electronic equipment comprises a power box body internally provided with a heating device, a heat dissipation box body fixed to one side of the power box body, and a two-phase flow heat dissipation device vertically arranged in the heat dissipation box body. The power box body is provided with a first side plate, the upper portion of the first side plate is provided with an inner concave portion, one side of the heat dissipation box body is provided with an opening, the opening side of the heat dissipation box body is attached to the outer side of the first side plate, the two-phase flow radiator comprises an evaporator, a condenser and a connecting cavity connecting the evaporator and the condenser, and the evaporator is attached to the outer surface of the lower portion of the first side plate. The condenser is located above the evaporator and arranged in the inner concave part, an air inlet is formed in the lower portion of the heat dissipation box body, and an air outlet is formed in the upper portion of the heat dissipation box body. The power electronic equipment is high in heat dissipation efficiency, compact in structure and capable of adapting to various installation angles and installation directions in the range from the vertical direction to the horizontal direction, and the application flexibility and scene adaptability of the power electronic equipment are improved.

The application provides a tree component rendering method and device and electronic equipment, and relates to the technical field of computers. The tree component rendering method comprises the following steps: receiving an editing input of an editing node in a tree component; in response to the editing input, acquiring a node index of the editing node and tree object data of the tree component, the tree object data comprising a component description array, an element in the component description array being node data of a node in the tree component, and the node index being used to indicate a position of the node data of the editing node in the component description array; performing an editing processing corresponding to the editing input on the tree object data based on the node index, to obtain edited tree object data; and rendering the tree component based on the edited tree object data, wherein the node data comprises component rendering data. The application improves the application flexibility of the tree component.

The present application belongs to the technical field of remote sensing image target detection, and particularly relates to a remote sensing image open vocabulary target detection method. The present application realizes open vocabulary, knowledge-enhanced and interpretable target detection of remote sensing images by constructing a knowledge graph that can be incrementally expanded online and deeply cooperating the knowledge graph with a visual language model. The present application can understand and respond to any new category input by a user in real time without retraining, greatly improving the application flexibility. The present application simultaneously applies the prior information of the knowledge graph to two key links. At the task level, the task instruction text fused with the prior information of the knowledge graph is encoded into a task condition semantic vector, and the parameters of the visual language model are adjusted according to the task condition semantic vector. At the concept level, the prior information of the knowledge graph is input into the visual language model to construct a stable semantic embedding vector for the new category. The two cooperate to effectively solve the semantic drift and adaptation problems of general models in the remote sensing field.

The invention relates to a ball head rod disordered grabbing method based on 3D vision, belongs to the technical field of robot operation and automatic manufacturing, and particularly relates to a workpiece pose estimation method based on combination of YOLOv8 and Triplet Attention modules, which is used for disordered grabbing tasks in complex scenes. According to the method, the color and depth images of the workpiece are acquired through the RGB-D camera, and the efficient lightweight Triplet Attention module is introduced, so that the processing speed and precision of the model on the target detection and segmentation task on the mobile terminal equipment are remarkably improved. And the Triplet Attention module enhances the space attention mechanism of the model through three-way rotation convolution operation on the features, so that the detection and segmentation precision is remarkably improved. The segmented mask region is applied to the depth image, corresponding point cloud data are extracted, and six-degree-of-freedom pose estimation is carried out by using a normal consistency optimization (NDT) algorithm. The NDT algorithm is excellent in processing noise and partially shielded scenes. Experimental results show that compared with an original YOLOv8 model, the model added with the Triplet Attention module is improved in segmentation precision and recognition accuracy. The method has high accuracy and robustness in the aspects of workpiece recognition and pose estimation, and is suitable for real-time industrial application scenes.

The utility model provides a steel structure truss, which relates to the field of steel structures, and comprises a steel stand column, first preset screw holes are uniformly formed in two rows in the middle area of the steel stand column; the first rigid beam is horizontally arranged on one side of the steel stand column; the second rigid beam and the first rigid beam are arranged on the other side of the steel stand column in parallel; the stabilizing end plates are connected to the contact ends of the first rigid beam and the steel stand column and the contact ends of the second rigid beam and the steel stand column correspondingly, and second preset screw holes are evenly formed in the two rows of the middle areas of the stabilizing end plates; and the stabilizing screw rod penetrates through the first preset screw hole and the second preset screw hole. Through the connecting mode that the stabilizing screw penetrates through the steel stand column and the stabilizing end plate and corresponds to the first preset screw hole and the second preset screw hole, under the complex and changeable load effect, the eccentric stress condition can be effectively avoided, stability is provided for the connecting joint, and meanwhile the stability of the connecting joint is improved. The risk that the structure deforms or is damaged due to unstable connection is greatly reduced, and a solid guarantee is provided for safe operation of the whole steel structure truss.

The invention provides a port multiplexing communication method and device based on RS485 and analog quantity, a robot and a storage medium, and relates to the technical field of robots. The method comprises the following steps: acquiring a target communication type configured by a user and a communication parameter corresponding to the target communication type; the target communication type represents the communication type of target external equipment currently connected with the hardware port; and performing data reading operation or data writing operation on the target external equipment according to the target communication type and the communication parameter corresponding to the target communication type. Hardware ports supporting RS485 communication and analog quantity communication are integrated on end equipment to adapt to different external equipment; meanwhile, according to the target communication type configured by the user and the corresponding communication parameters, different communication modes can be flexibly switched to perform data read-write operation, dynamic multiplexing of RS485 communication and analog quantity communication on the same hardware port is realized, the hardware cost is reduced, and the application flexibility is improved.

The utility model relates to screen test field, specifically disclose a TFT screen general test drive board, including main PCB board, power interface, core processor, image signal generating unit, multiple different types's FPC connector seat, programmable interface switching circuit, function button group and state indicating unit, multiple different types's FPC connector seat connects the TFT screen of different interface specification, programmable interface switching circuit input end connects image signal generating unit, and multiple output ends are connected to the pin of multiple FPC connector seat respectively, are used for dynamic configuration signal mapping relation, the utility model discloses through integrating multiple different types FPC connector with programmable interface switching circuit, so that single drive board can intelligent adaptation different model TFT screen, has promoted test universality and efficiency, avoided the cost and tedious of frequent replacement special drive board, reduced the storage and management expense, and the test pattern has strengthened the reliability, has expanded the application flexibility, and the comprehensive economic benefit is remarkable.

This utility model relates to the field of hemodialysis equipment, and more specifically, to an intelligent management system for disinfectant types, comprising: a circulation pipeline; a disinfectant pipeline including a detection device connected to the predialysis mixing pipeline, an MCU module connected to the detection device, and a disinfectant device connected to the postdialysis mixing pipeline; it addresses the problem of incorrect disinfectant selection due to possible human error during the disinfection process of hemodialysis equipment, thus affecting the disinfection effect; and the problem of the huge workload caused by relying on manual recording of regular disinfection of hemodialysis equipment; by connecting the detection device to the predialysis mixing pipeline and the disinfectant device to the postdialysis mixing pipeline, the disinfectant can enter the circulation pipeline, thereby improving the applicability and flexibility of the management system; the MCU module determines the conductivity value of the liquid entering the circulation pipeline, thereby reducing the possibility of human connection operation errors and the workload of manual disinfection.

The invention discloses a high dropout linear regulator. According to the high-voltage-difference linear voltage regulator, the second end of a power tube is connected with the first end of a zero point compensation module, and a zero point generated by the zero point compensation module compensates a pole of the output end of the high-voltage-difference linear voltage regulator. The offset voltage calibration module samples the current of the power tube and generates a calibration current according to the sampled current so as to calibrate the feedback voltage. The output voltage feedback module generates feedback voltage according to the output voltage of the power tube to the inverted input end of the error amplification module, reference voltage is connected to the in-phase input end of the error amplification module, and the error amplification module adjusts the control end voltage of the power tube according to the reference voltage and the feedback voltage so as to adjust the output voltage of the power tube. According to the technical scheme, the application range of the load capacitor is widened, the application flexibility of the high-voltage-difference linear voltage regulator is improved, and the precision of the output voltage of the high-voltage-difference linear voltage regulator is improved.

The invention discloses a multi-channel enhancement method based on an all-neural beam former, and the method comprises the following steps: carrying out the short-time Fourier transform of an input multi-channel noisy voice signal, and decomposing a time domain signal into the amplitude spectrum and phase of a frequency domain; taking the amplitude spectrum of the multichannel noisy voice signal as input, and mapping the amplitude spectrum into a pure voice amplitude spectrum through an all-neural beam former model based on position sensing cyclic convolution; combining the amplitude spectrum of the pure voice with an original phase, recovering a frequency domain signal to a time domain through inverse short-time Fourier transform and an overlap-add method, and finally outputting an enhanced voice signal; the design does not need complex explicit spatial feature design, breaks through the limitation of a traditional method, solves the defects of existing deep learning, can adapt to complex noise and strong reverberation scenes, improves the target voice extraction precision, and gives consideration to robustness and calculation efficiency.

The utility model provides a modularized five-axis turntable. The modularized five-axis turntable comprises an A-axis turntable, an A-axis connecting plate and a C-axis turntable, the two ends of the A-axis connecting plate are installed on the A-axis rotary table and the C-axis rotary table respectively to form a single-arm structure. The A-axis rotary table is mounted on the small bottom plate; the five-axis rotary table further comprises a tailstock and a tailstock connecting plate. The two ends of the C-axis rotary table are installed on the A-axis connecting plate and the tailstock connecting plate respectively. And the other end of the tailstock connecting plate is mounted on the tailstock to form a cradle type structure. According to the modularized five-axis rotary table, the flexibility, the stability and the convenience of equipment are remarkably improved through optimization design, meanwhile, the use cost is reduced, and the modularized five-axis rotary table has obvious market competitiveness and technical advantages.

The application discloses a battery device and an electric device. The battery device comprises a box, battery monomers and a thermal management assembly. The box is enclosed to form a containing cavity. A plurality of battery monomers are arranged in the containing cavity. The thermal management assembly comprises a first manifold, a second manifold and a plurality of heat exchange pieces. At least part of the heat exchange pieces are arranged between adjacent battery monomers. The heat exchange piece comprises a heat exchange main body and two manifold connecting parts which are connected in communication. The manifold connecting parts of each heat exchange piece are connected in communication with the first manifold and the second manifold respectively. The heat exchange main body comprises a shell and a flow channel partition. The shell encloses a heat exchange cavity. The heat exchange cavity comprises a flow channel area and two manifold areas which are connected in communication. The flow channel partition is arranged in the flow channel area and cooperates with the shell to form a plurality of flow channels. The two manifold connecting parts are connected in communication with the two manifold areas respectively. The battery device provided by the application can reduce cost and improve reliability.

The invention discloses an integrated optoelectronic chip applied to multiband transmission. The integrated optoelectronic chip at least comprises a supporting layer, a middle layer located on the supporting layer and a top layer located on the middle layer. The top layer comprises at least two mutually independent waveguide structures formed by different optical materials, the multi-functional integration is realized, the multiple optical materials are regionally integrated on the same chip through a CVD deposition method, the performance limitation of a single material system is broken through, and the single chip can simultaneously realize multiple functions; according to the method, multiple wavebands are compatible, photoetching and dry etching means are utilized, different materials are patterned on the same chip, different devices are prepared, simultaneous support and efficient processing of multiple communication wavebands by a single chip are achieved, the frequency spectrum utilization rate and application flexibility of the chip are greatly improved, the system architecture is simplified, the reliability is improved, and the cost is reduced. The risk of performance degradation caused by interface coupling and packaging failure is reduced, and the long-term stability of the system is improved.

The invention belongs to the technical field of flow batteries, and discloses a V2C nanosheet composite electrode as well as a preparation method and application thereof. The preparation method comprises the following steps: etching MAX ceramic powder by using a mild acidic solution with the pH value of 4 and NaF to obtain a V2C material; carrying out silanization coupling agent treatment, inert / reducing atmosphere ice bath ultrasonic treatment and centrifugation to prepare a V2C-Si-NH2 nanosheet; a graphene electrode is soaked in the nanosheet suspension, an amide coupling agent is added for a water bath reaction, and the binder-free composite electrode is obtained. The electrode is combined through a C-C (O) NH-Si-V2C covalent bond, and the V2C nanosheet is low in defect and uniform in dispersion and has high conductivity and catalytic property. The method can be applied to all-vanadium, zinc-iron and other flow batteries, can improve the coulombic efficiency and energy efficiency of the batteries, and is suitable for industrialization of the flow batteries.

The industrial controller comprises the all-in-one machine and at least one driving board, the all-in-one machine is connected to the driving board through a cable, and the driving board is provided with a wiring terminal used for being connected with an external sensor and a load. The driving board is provided with a modularized output unit and an input signal processing circuit, and the modularized output unit comprises at least one pluggable driving module, so that a man-machine interface and a PLC core function are integrated in the all-in-one machine, an independent PLC module, a special communication module and a complex middle wiring are omitted, the hardware cost is greatly reduced, and the cost is reduced. The relay, the field effect transistor and the silicon controlled rectifier module are installed in a pluggable mode, and replacement efficiency is improved.

This utility model discloses a pressure sensor core packaging structure, comprising a base, a patch assembly, a filling structure, a strain gauge, and a pressure plate. The base has a receiving cavity, an opening, and an oil filling hole. The opening communicates with the receiving cavity, and the oil inlet end of the oil filling hole is positioned close to the opening. The patch assembly and the filling structure are both housed within the receiving cavity. After the patch assembly is placed at the bottom of the receiving cavity, the filling structure fills the receiving cavity. The strain gauge and the pressure plate are sequentially fixed to the opening of the base, with the strain gauge located between the base and the pressure plate. The strain gauge and / or the pressure plate are sealed to the base. A gap exists between the strain gauge and the filling structure, and this gap is configured to be filled with oil through the oil filling hole, which is then sealed after being filled with oil. A detection port is provided on the pressure plate. This patent employs a unique core packaging structure, improving the application flexibility of oil-filled packaged pressure sensor products.

The invention provides a manufacturing method of a multi-dimensional force sensor elastomer, which comprises the following steps of: formulating a split rule according to a target performance requirement and an elastomer structure, and dividing the elastomer into a plurality of independent structure modules; each structure module is independently processed to obtain a modular prefabricated part; mounting a sensitive element at a preset position of the prefabricated member in the independent state; and finally, assembling the prefabricated parts into a complete elastomer through a connecting process. According to the method, through modular split design and processing, the limitation of integral processing is overcome, the processing precision and the surface mounting efficiency of key parts are remarkably improved, flexible adjustment of the measuring range of the sensor through replacement of prefabricated parts is supported, and collaborative improvement of performance, efficiency and flexibility is realized.

The application discloses a feeding device and a 3D printer, and the feeding device comprises a first feeding port, a second feeding port, a first channel, a second channel, a first discharging port and a second discharging port; the first feeding port is communicated with the first discharging port through the first channel; the first feeding port is also communicated with the second discharging port through the first channel; the second feeding port is communicated with the first discharging port through the second channel, and the second feeding port is also communicated with the second discharging port through the second channel. The wire material conveyed by the first feeding port of the feeding device can be output from the first discharging port or the second discharging port, and the wire material conveyed by the second feeding port can be output from the first discharging port or the second discharging port, so that the feeding device can realize intercommunication between multiple feeding ports and multiple nozzles of the printer when the feeding device is used with the double-nozzle printer.

The utility model discloses a vehicle door durability testing device which comprises a base, a transverse guide rail is arranged at the top of the base, a vertical guide rail is arranged above the transverse guide rail, sliding blocks are connected to the transverse guide rail and the vertical guide rail in a sliding mode, a fixing block is fixedly connected to one side of the sliding block on the vertical guide rail, and a telescopic rod is detachably connected into the fixing block in an embedded mode. The door handle has the following advantages that the vertical plate and the hook are arranged, the hook is driven to move along the sliding groove in the vertical plate, so that the hook is clamped in the door handle, then the telescopic rod is started to drive the hook to move, the door handle is pulled open, and the door handle is pulled out. And then the motor is started to drive the transverse guide rail and the vertical guide rail to rotate and transfer, so that the vehicle door can be driven to unfold and then is reversely closed, the vehicle door is controlled from complete closing to complete unfolding, and the reliability of detection data is improved.

This invention provides a stator core, a motor, and a vehicle, relating to the field of vehicle component technology. The stator core includes mounting lugs and a stator yoke. An oil inlet channel is disposed inside the mounting lugs, and a distribution oil channel and multiple cooling oil channels are disposed inside the stator yoke. One end of the oil inlet channel connects to the distribution oil channel, and the other end penetrates an axial end face of the stator core. A portion of the distribution oil channel is located inside the mounting lugs and connects to the oil inlet channel, while another portion is located inside the stator yoke, with the portion inside the stator yoke extending circumferentially along the stator core. One end of the cooling oil channel connects to the distribution oil channel, and the other end penetrates an axial end face of the stator core. By integrating the oil inlet channel, distribution oil channel, and cooling oil channel all inside the stator core, the dependence of near-slot cooling oil channels on the motor housing is eliminated. This makes it suitable for motors integrated with other structures in the same compartment with complex housings, offering wider applicability and greater application flexibility.

A control device, a multi-operator control method, a hardware scheduler, an accelerator, and a computing system are disclosed. In this embodiment, multiple first cache allocation instructions are decoded by an instruction decoding circuit and then executed by an instruction execution circuit. Caches are allocated to multiple operators from a shared cache pool, enabling data to be transferred between operators through the caches. This achieves soft connections and fast data interaction between operators. While ensuring processing efficiency, the connection relationship between operators can be changed according to application needs, improving the application flexibility of hardware accelerators using multiple operators.

The invention relates to a concentration monitoring and safety evaluation method for sensitizers in cosmetics, and aims to solve the problem that the sampling and capturing efficiency and monitoring precision of the sensitizers are influenced by the particle size distribution of atomized droplets of spray cosmetics in the prior art. And evaluating the interception efficiency of the filter membrane and the allergen dissipation rule by combining the surface enrichment concentration and the volume phase concentration extracted from the sampling filter membrane, further dynamically adjusting the inhalation exposure safety threshold according to the aperture specification of the nozzle, and comprehensively analyzing the matching relationship between the interception efficiency and the threshold. Accurate evaluation of the respiratory tract safety risk and verification of sampling consistency are achieved. The accuracy of concentration monitoring of sensitizers in cosmetics and the reliability of safety evaluation are effectively improved.

The application relates to the tobacco essence and flavor preparation technical field, in particular to a fenugreek extract freeze-dried powder and a preparation method and application thereof. The application is prepared by reverse osmosis coupling low-temperature vacuum concentration on fenugreek seeds, and then freeze-drying to obtain the fenugreek extract freeze-dried powder. The freeze-dried powder can be directly used as a tobacco fenugreek flavor, or can be used by being dissolved in a solvent to obtain a tobacco fenugreek flavor. The reverse osmosis coupling low-temperature vacuum concentration and freeze-drying technology adopted by the method can separate and concentrate ethanol and most of the water, so that the concentration time is shortened, and the overall time of flavor preparation is further reduced; meanwhile, the process can maximally reduce the volatilization loss of heat-sensitive flavor substances, and effectively retains the aroma components in the fenugreek.

The application provides a circular polarizer-based multi-polarization array feeding system and a calibration method thereof, and relates to the technical field of radar semi-physical simulation.The system comprises an array and a calibration computer for running control software and issuing control instructions; a central control unit for receiving and executing the control instructions; a wideband switch matrix for routing and amplitude and phase control of radio frequency signals according to the control instructions; an antenna array comprising at least one antenna unit, the antenna unit comprising a circular polarizer and a dual-polarized horn antenna; the input end of the circular polarizer is used for receiving a radio frequency signal, and the output end is connected with the dual-polarized horn antenna, which is used for modulating the radio frequency signal into two linear polarization signals with a fixed phase difference and feeding them to the dual-polarized horn antenna; the dual-polarized horn antenna is used for radiating horizontally polarized, vertically polarized or circularly polarized electromagnetic wave signals according to the two linear polarization signals. The system can meet the needs of high-confidence simulation experiments.

The present application relates to the technical fields of biological medicine and gene therapy, and particularly relates to a protonatable cationic lipid, a nucleic acid delivery system and application thereof. The protonatable cationic lipid has a structure as shown in formula (I), and contains a protonatable group such as a hydroxyl group or an amino group at the end. The protonatable cationic lipid can form a lipid nanoparticle for loading various nucleic acid substances. The lipid nanoparticle nucleic acid delivery system has high cell transfection efficiency in vitro, and can be targeted to organs such as liver in vivo to achieve efficient gene editing. The lipid nanoparticle constructed by the protonatable cationic lipid provided by the present application has high encapsulation efficiency, good stability and excellent delivery efficiency, and has a wide application prospect in the fields of gene therapy and cell engineering.

The present application belongs to the field of optical communication, signal processing and micro-nano optical technology, and specifically relates to a multi-task optical diffraction neural network and a design method thereof. On the basis of a traditional diffraction neural network, the present application innovatively uses a phase-change material metasurface unit structure as a reconfigurable diffraction element; the phase modulation parameters are optimized through a deep learning algorithm to obtain the phase distribution of the multi-task optical diffraction neural network, and the corresponding metasurface unit structure is matched and selected from the constructed unit structure library according to the phase distribution to finally construct a phase modulation layer. In the running process, the dynamic reconfiguration of the multi-task function is realized by changing the crystallization state of the phase-change material and combining the switching of the incident light polarization state. In the process of optical propagation, the efficient processing of different image recognition tasks is realized by reconstructing the wavefront of the input image multiple times, and the problem of function solidification of the traditional diffraction neural network model when facing diversified tasks and data features is effectively overcome.

The application discloses a molecular marker primer for a narrow cod and application thereof, and relates to the technical field of molecular biology markers. The primer combination is composed of three pairs of primers, namely, GC6:TC14, GC8:GT15 and GC9:TG9, and the sequences of the primers are shown as SEQ ID NO. 1-6. The application develops, for the first time, the STR molecular marker primer combination specially used for sea area source identification of the narrow cod. Compared with the microsatellite marker used only for the population genetics basic research of the narrow cod in the prior art, the primer combination is optimized through multi-stage screening, can effectively distinguish the narrow cod samples from the Okhotsk Sea FAO 61 sea area and the Bering Sea FAO 67 sea area, and fills the technical blank in the sea area tracing field of the cross-border trade of the narrow cod.