104results about How to "Avoid demand" patented technology

The invention belongs to the technical field of intelligent control, and discloses a building energy-saving intelligent integrated control system and method. Comprising the steps of collecting building comprehensive data of a building internal space area; preprocessing the building comprehensive data to obtain standard building data; establishing a building dynamic model according to the standard building data, and predicting by using the dynamic model to obtain an energy consumption change curve and a comfort change curve of the internal space area of the building in a future fixed time period; solving to obtain a series of optimal control strategy sequences by taking the energy consumption change curve and the comfort change curve of the internal space area of the building in the future fixed time period as constraints; the optimal control strategy sequence obtained through solving is distributed to all actuators, and integrated intelligent control over heating equipment, refrigeration equipment, ventilation equipment, illumination equipment and the like is achieved; not only is the energy-saving level of the building improved, but also a comfortable environment is created for the indoor space, and the comprehensive performance of the building is comprehensively enhanced.

The invention discloses a 2D government affair digital human real-time interaction method and system based on an AI painting technology, and the method comprises the steps: making a digital human image based on a modeling mode combining AI painting and a Live2D technology; acquiring an audio input by a user in real time, and identifying the audio input by the user to obtain an audio identification text and a reply text; according to the reply text, synthesizing and outputting a result audio based on a half-stream speech synthesis method of dependency syntactic analysis; and performing mouth shape synchronous real-time driving and audio broadcasting of the digital human image on the manufactured digital human image based on the result audio. According to the invention, the low-cost construction and deployment of the digital human are realized based on the combination of AI drawing and Live2D technology; when system deployment is carried out on the digital people, a semi-streaming speech synthesis scheme based on dependency syntactic analysis is adopted, and the interaction real-time performance and fluency of government affair digital people belonging to service digital people are improved.

The invention discloses a carbon nanotube mechanical property analysis method based on machine learning molecular dynamics, and relates to the technical field of carbon nanotube mechanical property analysis. The diameter, the length and the defect proportion serve as variables to construct a structure parameter library; the temperature and the strain rate serve as supplementary variables to establish a tensile model parameter library; carrying out molecular dynamics simulation analysis on tensile mechanical properties; drawing a stress-strain curve and extracting key parameters; establishing a parameter association library between the structural parameters and the mechanical properties by using a machine learning method; selecting a machine learning algorithm to predict mechanical properties; and extracting a function relationship through the trained machine learning model to establish a fitting function. Starting from the relationship between different diameters, lengths, defect proportions, temperatures and strain rates and the mechanical properties of the carbon nanotubes, the optimal structure parameters of the carbon nanotubes under specific conditions are obtained through machine learning, the calculation amount is greatly reduced, the experiment cost is saved while the effectiveness of the model is ensured, and the research efficiency is remarkably improved.

The invention discloses a porous static pressure gas radial bearing based on piezoelectric shunt damping, and belongs to the technical field of static pressure gas bearings. Comprising a bearing shell, a bearing sleeve and a porous throttler which are arranged in the bearing shell in the axial direction, and a piezoelectric shunt damping module which is arranged between the bearing shell and the bearing sleeve and is axially fixed through a check ring. Wherein the piezoelectric shunt damping module is formed by connecting a force amplifier, a piezoelectric ceramic stack, a pre-tightening pressing block, a pre-tightening screw, a steel ball and a locking nut; the force amplifier is of an axisymmetric structure composed of two trapezoidal connectors, four thin-wall beams and two end plates. The piezoelectric shunt damping module is arranged in the bearing, vibration mechanical energy of the bearing sleeve is converted into electric energy through the piezoelectric ceramic stack, and net damping is provided for the bearing by consuming the electric energy generated by the piezoelectric ceramic stack through the external shunt resonance circuit, so that the amplitude of the rotor relative to the bearing at a high rotating speed is reduced; the high-speed stability of the bearing is improved.

The invention relates to the technical field of intelligent teaching, and particularly provides an interpretable exercise recommendation method and system based on relation attributes, and the method specifically comprises the following steps: processing the interaction data between a user and an exercise in an existing data set, building a user-exercise knowledge graph according to the relation between the data, and carrying out the initialization; inputting the initialized user-exercise knowledge graph instances into a TransE model for training to obtain embedded vectors of trained entities and relationships; and performing user exercise recommendation on the user-exercise knowledge graph, formalizing the user exercise recommendation into a Markov decision process, and performing multi-step path reasoning on the user-exercise knowledge graph by constructing a reinforcement learning system to realize user exercise recommendation. According to the method, a more accurate user portrait is realized, the accuracy of the recommendation system is improved, and meanwhile, the path between the recommendation question and the question practiced by the student is extracted from the knowledge graph to generate interpretable recommendation.

The invention discloses a preparation method of a circulation type gas diffusion electrode for electrochemical CO2 reduction, and belongs to the technical field of electrochemical CO2 reduction. The circulation type gas diffusion electrode directly conveys carbon dioxide to the surface of a cathode in the electrochemical CO2 reduction process; the specific preparation method comprises the following steps: adding N-methyl-2-pyrrolidone into polyethyleneimine, and carrying out ultrasonic treatment; the preparation method comprises the following steps: adding copper powder into a transparent and uniform mixed solution of N-methyl-2-pyrrolidone and polyethyleneimine, and carrying out magnetic stirring; and calcining the uniform mixture of N-methyl-2-pyrrolidone, polyethyleneimine and copper powder and the hollow fiber of polyethyleneimine and copper powder in a smelting furnace to obtain the FTGDE electrode. By adopting the preparation method of the circulation type gas diffusion electrode for electrochemical CO2 reduction, disclosed by the invention, efficient transmission and utilization of carbon dioxide are ensured, and the electrochemical reduction reaction efficiency is improved.

The invention discloses an automatic distribution type production line and a production process for pasting and welding reinforcing plates for tunnel steel arches. The production line comprises an automatic distribution mechanism, a displacement clamping mechanism and a pasting plate welding mechanism, and the automatic distribution mechanism is used for conveying joist steel with joints to a second conveying mechanism and conveying joist steel without joints to a first conveying mechanism; the flitch welding mechanism is used for welding reinforcing plates to the joist steel with the joints in a flitch mode; wherein the seamless I-shaped steel is discharged through the first conveying mechanism, and the seamless I-shaped steel is discharged through the third conveying mechanism after the reinforcing plate is pasted and welded. According to the invention, the joist steel can be automatically distributed, the joist steel with joints and the joist steel without joints are conveyed in two process routes, the process rhythm of the two process routes is clear and does not influence each other, the production rhythm can be better controlled, continuous mounting and welding operation of reinforcing plates can be realized, and the production efficiency is improved. Automatic and continuous production of the steel arch is achieved, and the production efficiency of the steel arch production line is greatly improved.

The invention discloses a self-supporting diamond polycrystal material as well as a preparation method and application thereof, and belongs to the technical field of non-metallic materials. The preparation method of the self-supporting diamond polycrystal material provided by the invention comprises the following steps of: sintering diamond particles of 50-900 microns at 1390-1420 DEG C and 5.7-6.0 GPa by taking cobalt as a binder, carrying out secondary growth on the diamond particles in the sintering process, and removing impurities after sintering to obtain the self-supporting diamond polycrystal material. According to the method, the self-supporting diamond polycrystal material is prepared under the conditions of high temperature and high pressure by taking the diamond particles of 50-900 microns as raw materials, and the method has the advantages of simplicity, low cost and easiness in large-scale growth.

The present invention discloses a home environment remote monitoring and early warning system and method based on artificial intelligence, relates to the technical field of home environment monitoring and early warning, solves the technical problems that it is difficult to give early warning to ordinary home data in the monitoring and early warning of ordinary home data, and that in the monitoring and early warning of special home data, the personalized early warning threshold used is obtained based on a large amount of historical data of the family, and the reasonable setting of the early warning threshold for the family lacking or less historical data is ignored; the present invention obtains the judgment factor of the next time period based on the characteristic value of the ordinary home data and the environmental data of the next time period, and issues early warning information of the ordinary home data based on the judgment factor; obtains the personalized index of the current family based on reference data, and extracts the personalized threshold from the regional historical data based on the personalized index; and issues early warning information of the special home data based on the personalized threshold; the present invention can improve the comfort of family living and the accuracy of early warning.

The invention discloses a GIS-based territorial space planning optimization system and method, and relates to the technical field of Geographic Information System (GIS). Activity data of tourist users are collected to generate a thermodynamic diagram H of tourist activities, the thermodynamic diagram H is fused with GIS data to obtain a hot spot region Rhot, a development potential factor P (r) of each region is calculated in the hot spot region, and the development potential factor P (r) is calculated; therefore, more meticulous and personalized regional development evaluation is realized, the defect of insufficient consideration of tourist behaviors and regional characteristics in a traditional method is overcome, and in the optimization process, the total optimization cost Copt (r) of each region is analyzed and obtained by combining tourist flow and regional conveying capacity information, so that the optimal region development evaluation is realized. According to the method, the problem that the previous planning based on static data and experience cannot flexibly adapt to dynamically changing tourist flow and regional requirements is solved, and the matching degree between regional facility planning and actual tourist requirements is improved, so that more efficient and accurate regional development and resource allocation are realized.

The invention discloses a few-axis-point dressing method for a drum-shaped worm grinding wheel. The dressing precision of a face gear worm grinding wheel is improved by avoiding the requirement of the grinding wheel for a tilting axis of a machine tool. The nominal slotting cutter is perpendicular to the axis of the grinding wheel, and the end face profile of the nominal slotting cutter is consistent with the section profile of a grinding wheel shaft, so that the requirement of a dressing wheel on a machine tool deflection shaft is avoided, the number of machine tool movement shafts participating in linkage in the grinding wheel dressing process is reduced, and the grinding wheel dressing precision is further improved; according to the method, only three machine tool shafts are used for finishing the worm grinding wheel of the opposite gear in a linkage mode, a grinding wheel rotating shaft, a radial moving shaft and an axial moving shaft are included, and a finishing path uniformizing method is provided so that precise and efficient finishing machining of the worm grinding wheel profile can be guaranteed. According to the method, the defects of high cost, poor flexibility and existence of principle errors of the formed dressing wheel can be avoided, and a theoretical foundation is laid for reverse adjustment of the tooth grinding error of the face gear or generating grinding of the tooth surface of the complex modified face gear.

The utility model relates to a vehicle-mounted ceiling screen support assembly formed by punching a galvanized steel sheet, which comprises a fixed support, an overturning component, a supporting component and a spring bolt component, the fixed support is made of the galvanized steel sheet formed by punching, a reinforcing structure is formed on the surface of the fixed support, and a screw hole is formed on the surface of the fixed support; the overturning assembly and the supporting assembly are symmetrically arranged on the two opposite sides of the screen. A side opening clamping structure is arranged on a shell of the overturning assembly and a shell of the supporting assembly, a vibration isolation sleeve is embedded in the clamping structure, a center through hole is formed in the vibration isolation sleeve, the vibration isolation sleeve is fixed to the screw hole through a step screw, and the outer diameter of the step face of the step screw is in interference fit with the inner diameter of the center through hole of the vibration isolation sleeve. According to the vehicle-mounted ceiling screen support assembly formed by stamping the galvanized steel sheet, the galvanized steel sheet formed by stamping is adopted as a core structure, all the components are optimally designed, and the effects that cost is reduced, structural strength is improved, vibration isolation and assembly are simplified, and installation adaptability is enhanced are achieved.

This utility model relates to the field of mechanical parts processing technology, specifically a segmented guide hole ring die structure correction device, including a worktable. Several legs are installed at the bottom of the worktable. A first electric telescopic rod is installed in the middle of the lower surface of the worktable. A base is installed on the top of the first electric telescopic rod. A slot is formed on the top of the base, and a seat plate is engaged inside the slot. An extrusion column is installed on the top of the seat plate, and a ring die component is fitted onto the surface of the extrusion column. A mounting groove is formed at one end of the upper surface of the worktable, and a rotating groove is formed in the middle of the upper surface of the worktable. A motor is installed inside the mounting groove. The improved correction device can perform reciprocating correction operations at multiple angles, avoiding the tedious operation of manually adjusting the workpiece angle. It also allows for flexible replacement of correction tools, helping to adapt to workpieces of various specifications and improving the applicability of the equipment.

The invention relates to an underwater robot deck visualization operation system and method. The system comprises a control platform, a deck equipment sensor, a camera and an underwater robot. The control platform comprises a control cabinet, an integrated operation chair and a video wall. The control cabinet integrates a data interaction module, a control system, a local data acquisition module, a protocol conversion gateway and an optical fiber communication module to realize data transmission and instruction interaction between equipment; and the control system processes equipment data through the data interaction module and controls the deck equipment and the underwater robot. The integrated operation chair integrates an operation panel, a touch screen and an ergonomic chair, and the operation panel comprises a winch laying button, a cable arrangement device moving button, a traveling block unlocking button and an underwater robot control button. And the video wall displays sensor data and video monitoring pictures. The integrated design is adopted, high integration of deck equipment and an underwater robot operating system is achieved, and the problem of separation of control systems of the deck equipment and the underwater robot operating system is effectively solved.

The invention belongs to the technical field of automobiles, and particularly relates to an automobile instrument board weakening residual thickness automatic detection device, which comprises an industrial robot and further comprises a mounting bracket, an automatic detection device and an automatic detection device, and the mounting bracket is fixedly mounted on a mechanical arm of the industrial robot; the milling cutter module is mounted on the mounting bracket; the laser sensor is installed on the installation support, non-contact detection of the laser sensor is adopted, and compared with mechanical detection, the laser sensor is more flexible and convenient to use; the device is suitable for various weakening lines, is also suitable for triangular or U-shaped small weakening lines, and can automatically capture the lowest point of the weakening line; the precision can reach 0.001 MM; the device is more convenient to install and can be integrated in a milling cutter module, and the requirement for independently manufacturing one detection device is met.

This application relates to the field of circuit technology, specifically to PCIe expansion circuits, computer motherboards, and computer devices. The PCIe expansion circuit includes: a main control circuit; a PCIe switching circuit electrically connected to the main control circuit; a first PCIe interface circuit electrically connected to the PCIe switching circuit; a second PCIe interface circuit electrically connected to the PCIe switching circuit; and an embedded controller electrically connected to the PCIe switching circuit, configured to control the PCIe switching circuit to select a target PCIe interface circuit between the first and second PCIe interface circuits, so that PCIe data from the main control circuit is transmitted to the target PCIe interface circuit through the PCIe switching circuit. This application embodiment dynamically controls the selection state of the PCIe switching circuit through the embedded controller, realizing the transmission from the main control circuit to the target PCIe interface circuit, ensuring the user's autonomy in selecting PCIe functions, and improving the flexibility and applicability of the device.

The invention relates to a partial discharge fault detection method and device based on an optical microdisk, and belongs to the technical field of fault detection. Comprises: emitting a laser signal; adjusting the intensity of the laser signal to obtain an adaptive laser signal; coupling an optical signal with a specific wavelength in the adaptive laser signal to form a stably existing standing wave, and obtaining a first optical signal; converting the first optical signal into an electric signal, and performing phase-sensitive demodulation on the electric signal to obtain position information of the sound signal; and identifying and positioning the partial discharge signal according to the position information. According to the invention, real-time online detection is realized, the detection efficiency is obviously improved, electromagnetic interference resistance is realized, the dependence on processing of a large amount of information is reduced, and the data processing time is shortened.

The application discloses an automatic screen protection film pasting method and a film pasting device. The method comprises the following steps: positioning and fixing an electronic device; placing a protection film on a bearing part suspended above and on both sides of the screen; controlling a film material alignment mechanism to apply a pushing force to the protection film from both sides and front and back sides, so that the protection film is aligned with the screen; and controlling a rolling mechanism to perform the following actions: driving the rolling mechanism to press the protection film to a first pressing position of the screen at a first mechanical trigger position, so as to paste the protection film between the first pressing position and a first side edge of the screen; and driving the rolling mechanism to press the protection film to a second pressing position of the screen at a second mechanical trigger position, so as to paste the protection film between the second pressing position and a second side edge of the screen. The problems of low pasting yield and poor reliability caused by inaccurate alignment, poor exhaust path and complex electrical control timing in the traditional film pasting process are solved.

The application discloses an efficient and energy-saving indoor air environment optimization method and device, relates to the air conditioning technical field, and comprises the following steps: calculating an indoor-outdoor temperature difference sequence, deriving a first personnel oxygen consumption rate sequence and a second personnel oxygen consumption rate sequence, and calculating a comprehensive oxygen consumption rate sequence by weighting; predicting an oxygen consumption rate sequence in a future time window based on a current time period and the comprehensive oxygen consumption rate sequence; performing oxygen production unit working quantity optimization according to the predicted oxygen consumption rate sequence and a predicted indoor-outdoor temperature difference sequence in the future time window, outputting an optimal oxygen production unit working quantity sequence, and performing oxygen supply control on a split oxygen generator in the future time window. The technical problems that the prior art cannot predict indoor oxygen consumption changes in advance, the personnel oxygen consumption rate calculated by a single data source has low accuracy, and it is difficult to balance oxygen supply quality and energy saving are solved.

The present invention discloses an automatic cable winding device and a cable winding drum thereof. The present invention cooperates a special cable winding drum with the automatic cable winding device to be used, and the cable can be automatically wound on the cable winding drum along a spiral trajectory that reciprocates back and forth. The servo motor is controlled to operate so that a cutter can automatically cut the cable suspended below a lower guide wheel, and the cable is pressed down at the same time, so that the beginning end of the cut cable can be inserted into a receiving groove, thereby realizing automatic and rapid cable limitation, avoiding the inconvenience and time-consuming problem of traditional manual cable limitation, and improving the cable winding efficiency. The conversion part can realize automatic feeding and discharging of the cable winding drum, avoiding the inconvenience of manual operation and excessive labor demand.

The present invention is a method for detecting the welding quality of prefabricated bridges based on MIU-Transformer, comprising the following steps: obtaining a dataset of weld defect images of prefabricated bridges, annotating the images at the pixel level, and assigning corresponding semantic labels to each pixel; using the MIU-Transformer neural network for semantic segmentation defect measurement, the MIU-Transformer neural network includes a framework integrating mask image uniformity and unsupervised domain adaptation, a main network consisting of a Transformer encoder and a context-aware feature fusion decoder; using the trained MIU-Transformer neural network to obtain the semantically segmented image, and calculating the area of ​​the defect. The method can accurately and efficiently detect and quantify the weld defects of steel materials, providing an effective means for quality assurance and maintenance of prefabricated bridges.

The application provides a device for rapid heat exchange based on heat conduction and medium phase change, which comprises at least one set of heat exchange components, a hydrogen heat exchange part, an air heat exchange part and an integrated device shell; the hydrogen heat exchange part is arranged in the integrated device shell along a first direction, the air heat exchange part is arranged in the integrated device shell along a second direction, the first direction intersects with the second direction; the hydrogen heat exchange part is located above the air heat exchange part, high-temperature gas after heat exchange of the air heat exchange part rises and exchanges heat with low-temperature hydrogen gas of the hydrogen heat exchange part above, low-temperature gas after heat exchange of the hydrogen heat exchange part descends based on gravity and exchanges heat with the air heat exchange part below again, and the air and the hydrogen are reciprocally circulated, high-temperature air is cooled, low-temperature hydrogen is heated, and rapid heat exchange is realized. The application effectively improves the integration degree of the whole machine, reduces the capacity of the cooling liquid in the heat management system, improves the response speed of the system temperature control, and improves the robustness of the heat management system.

The food processor comprises a main machine, a cup body assembly and a motor assembly, the cup body assembly and the motor assembly are installed on the main machine, a machine shell is provided with an air inlet, an air outlet and an extending hole for a motor shaft of the motor assembly to extend out, the motor assembly comprises an upper cover, a lower cover and a motor, and the upper cover is connected with the machine shell in a sealed mode to seal the extending hole; the upper cover and the lower cover clamp the motor and form a heat dissipation air channel inside, the upper cover and the lower cover are respectively provided with an air inlet hole and an air outlet hole which are communicated with the heat dissipation air channel, the air inlet hole is located above the heat dissipation air channel, and air flows into an inner cavity of the main machine from the air inlet, passes through the air inlet hole, the heat dissipation air channel and the air outlet hole from top to bottom and then flows out from the air outlet. Air flow can be directly injected into the heat dissipation air channel from the upper portion of the motor, flows vertically downwards and directly and is finally discharged out of the air outlet holes, reciprocating operation in the motor cover is not needed, and the heat dissipation efficiency of the air flow is improved. In addition, the size of the main machine can be compressed, and finally a simple, efficient and small food processor is provided for consumers.

The invention discloses a three-dimensional indoor positioning method based on visual sense and 5G sensing fusion, and relates to the technical field of indoor positioning and space perception. The method comprises the following steps: modeling an indoor reflecting surface to obtain a virtual anchor point; a user azimuth vector detected, identified and tracked by a camera target is projected to a scene reflection surface to construct a candidate reflection path and identify a direct incidence path, and the candidate reflection path and the direct incidence path are mapped to a beam codebook of a base station, so that a beam search range is narrowed, and a higher angle resolution is obtained; the user terminal establishes a communication link through the reference signal, and the base station acquires channel state information; in the channel parameter processing stage, angle and time delay estimation is carried out on channel parameters; an estimation result is matched with a direct or virtual anchor point path, and pseudo paths which do not conform to scene constraints are eliminated, so that a direct path and an effective reflection path are distinguished; the position of the user is jointly solved by using multi-angle constraints formed by the direct path and the reflection path, and continuous estimation of the three-dimensional position of the user is realized by combining a filter.

The invention discloses a distortion measurement method, head-mounted display equipment and a computer readable storage medium, and relates to the technical field of head-mounted display equipment, the method is applied to the head-mounted display equipment, and the method comprises the following steps: shooting a display image output by the head-mounted display equipment through a camera preset at an exit pupil frame of the head-mounted display equipment to obtain an exit pupil image corresponding to the display image, the display image comprises a plurality of sampling points, and the exit pupil image comprises a plurality of feature points; distortion simulation data corresponding to a product parameter design value of the head-mounted display device is obtained, and a first point location mapping relation between the sampling points and the feature points is determined in an auxiliary mode based on the distortion simulation data; and based on the first point location mapping relation, establishing a target distortion model of the head-mounted display device. According to the method, the accurate space corresponding relation between the display content and the real shot image can be efficiently and reliably established under the complex imaging conditions of strong distortion, low signal-to-noise ratio and the like, so that high-precision and high-robustness distortion model construction is realized.

This invention discloses a sewing machine thread handling device and sewing equipment, relating to the field of sewing equipment technology. To address the problems of functional dispersion, structural redundancy, and low space utilization in existing technologies where the thread clamping and thread end collection structures are inefficient, this device includes a needle plate, a thread gripping assembly, and a thread clamping and suction assembly. Both the thread gripping assembly and the thread clamping and suction assembly are located on the needle plate. The thread gripping assembly includes a thread gripping component, and the thread clamping and suction assembly includes a thread clamping part and a suction channel. The thread gripping component and the thread clamping part are arranged opposite to each other to form a thread clamping area for gripping the thread. The suction inlet of the suction channel faces the thread clamping area. This arrangement ensures effective thread clamping while simultaneously collecting thread ends, effectively reducing the number of functional components, simplifying the device structure, and improving space utilization. It also allows thread ends to be immediately sucked in after being removed from the clamp, reducing the risk of thread residue and accumulation, and improving thread end processing efficiency and equipment operational reliability.

The present disclosure discloses a Chinese webpage interest point retrieval method and device and electronic equipment, and relates to the technical field of neural networks and the technical field of cloud computing. The technical problem that in the model training process, only the pure text content of the webpage is pre-trained, the position structure information in the webpage data is ignored, and then the model learning representation is too single, which affects the accuracy of information extraction of the downstream task, is solved. The specific implementation scheme is: in response to the instruction of the user selecting the interest point, obtaining the target webpage data of the target webpage containing the interest point; inputting the target webpage data into the Chinese webpage pre-training model to obtain the target attribute information corresponding to the interest point; and displaying the target attribute information.

The application discloses a kind of customized training plan generation methods for operation and maintenance personnel based on performance prism, which comprises the following steps: collecting multi-source heterogeneous demand data of operation and maintenance personnel on multiple platforms, and combining Carnot model and importance performance analysis model for fusion processing, extracting key technology theme through cluster analysis, drawing core training intention and decomposing into key measurement indicators, collecting employee daily operation and maintenance behavior data and calculating ability membership degree vector, combining post demand information, calculating target ability information to be enhanced, generating training content using intelligent workflow engine according to target ability information and key measurement indicators, generating hybrid training plan combining online and offline according to employee historical schedule, issuing the plan to terminal and setting task reminders, which can ensure that training is executed on time, improve training coverage and completion rate, and realize the intelligentization, customization and high efficiency of operation and maintenance personnel training from demand analysis, capability assessment, content generation to plan execution.

The invention discloses smoke detector interface equipment compatible with multiple protocols. The interface device comprises a plurality of interface terminals, a protocol and interface conversion module, a switching assembly and a detection module. The plurality of interface terminals at least comprise a first interface terminal group for a first communication mode and a second interface terminal group for a second communication mode; and the protocol and interface conversion module is used for performing data interaction with an upper computer or a control host, and analyzing and converting data according to a plurality of preset communication protocols. And the switching assembly is arranged between the plurality of interface terminals and the protocol and interface conversion module, comprises a switching device with a common end and a normally open / normally closed end, and is used for switching an electric connection path between the first communication mode and the second communication mode. And the detection module is electrically connected with the plurality of interface terminals, and is used for sending a detection signal to the currently accessed smoke detector, detecting an interface type and / or a protocol type of the current smoke detector based on a feedback signal, and outputting a switching control signal to the switching assembly according to a detection result to realize automatic switching of interface channels. According to the invention, the smoke detectors with various interface forms and various communication protocols can be docked in the same equipment, automatic identification and adaptation of the interfaces and the protocols are realized, repeated development of hardware and software is reduced, field configuration is simplified, and universality and use flexibility of the system are improved.

The embodiments of the present disclosure provide a sample feature space enhancement method and a small sample classifier training method, as well as corresponding devices, equipment and storage media. The method of the embodiment of the present disclosure is for an unlabeled data set, and determines a feature encoder and a legacy dictionary through unsupervised pre-training and unsupervised clustering, and uses the feature encoder and the legacy dictionary to obtain richer sample features based on a small number of new class samples to enhance the feature space of the sample. By applying the method of the embodiment of the present disclosure to small sample classification, the semantic changes of the base class samples can be transferred to the new class samples, thereby generating more reliable new class samples with rich semantic changes based on a small number of new class samples, so as to improve the classification ability of the small sample classifier. In addition, the determination of the feature encoder and the legacy dictionary in the embodiment of the present disclosure does not require label information, so the method of the embodiment of the present disclosure can also be applied to other unlabeled or label-scarce tasks.