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61results about How to "Simplicity guaranteed" patented technology

Reservoir four-relation chart processing method, device, equipment and medium

The invention discloses a reservoir four-relation chart processing method, device and equipment and a medium, and relates to the field of oil well exploration, and the method comprises the steps: building a logging information parameter processing interpretation model, and determining parameters in an oil saturation model; based on the neutron-density intersection chart, calculating the distances from the logging response parameters to different lithologic curves as lithologic indication parameters; drawing a reservoir four-relation chart by taking the porosity of the stratum as an abscissa, the resistivity of the stratum as an ordinate and the lithology indication parameters as color mapping, drawing different water saturation scale marks in the reservoir four-relation chart, and in addition, taking the water saturation or the movable hydrocarbon saturation in the reservoir four-relation chart as a bubble radius; and projecting the logging response parameters of various stratum types and the explaining stratum parameter points into the reservoir four-relation chart, and establishing a logging explaining standard. According to the method, the dynamic change and internal relation among the four properties of the reservoir can be comprehensively and accurately displayed.
Owner:CHINA OILFIELD SERVICES LTD

Practical fixed time control method for state constraint nonlinear system

The invention relates to a practical fixed time control method for a state constraint nonlinear system. The method comprises the following steps: step 1) establishing a dynamic equation and state constraint of a pure feedback constraint nonlinear system; 2) aiming at the state constraint, constructing an improved general barrier function; 3) based on the obstacle function, converting the constrained nonlinear system into an unconstrained system; 4) performing approximation to obtain an approximation form; 5) obtaining a coordinate transformation result; step 6) based on error dynamics, constructing an adaptive fixed time tracking control scheme and a parameter updating law control system; and 7) proving the stability of the system. Compared with the prior art, the method has the advantages of overcoming singularity in fixed time control, reducing calculation burden and the like.
Owner:TONGJI UNIV

Lightweight ancient Chinese character recognition method and system

The application discloses a kind of light-weighted ancient Chinese character recognition method and system, wherein method steps include: based on ancient Chinese character features, construct ancient Chinese character recognition network model;Optimize ancient Chinese character recognition network model;Using ancient Chinese character image data, train optimized ancient Chinese character recognition network model;Utilize the trained ancient Chinese character recognition network model to complete the recognition of ancient Chinese character.The application ingeniously embeds a residual fusion module with simple implementation and small parameter quantity and calculation amount between visual backbone and classification head as the network Neck, effectively integrates and enhances features, thereby greatly improving the recognition ability and accuracy of the network to ancient Chinese character.Meanwhile, while maintaining simplicity, the application is more focused on the extraction of certain features of ancient Chinese characters, thereby better improving the accuracy and efficiency of ancient Chinese character recognition.
Owner:HUZHOU UNIVERSITY

A skull temporary fixator

The utility model discloses a skull temporary fixator relates to medical technical field, including auxiliary adjusting ring, the inside rotation of auxiliary adjusting ring is installed with auxiliary guide disc, the inside slide of auxiliary guide disc is installed with power guide column, the surface fixed mounting of power guide column has temporary fixed link, the surface slide of temporary fixed link is installed in the inside of auxiliary adjusting ring, this skull temporary fixator, the operator controls auxiliary pushboard piece to drive power guide column on temporary fixed link extension after skull complete reset, at this time, again, auxiliary pushboard piece is reset to ninety degrees rotation, therefore, L shape temporary fixed link can be taken out at skull gap, and the mode not only effectively guarantees the simplicity of pressing adjustment when skull is fixed, but also guarantees the reliability of the fixator to cope with arc skull and carry out fixed adjustment, improves the drawback that traditional T type temporary fixed link can only be applied to straight skull seam and is inconvenient to go in and out in arc skull seam.
Owner:CHONGQING JIUXIN MEDICAL TECHNOLOGY CO LTD

Intelligent detection method and system for color difference defects of a textile

The application discloses a kind of intelligent detection method and system of textile color difference defect, it is related to textile inspection technical field, the method includes: obtaining the high-resolution color image of the textile to be detected, calculating color contrast chart, and extracting candidate color difference region set;Each candidate color difference region is carried out superpixel segmentation, and multiple superpixel blocks are obtained;The color difference value and texture similarity value of each superpixel block and adjacent superpixel block are calculated respectively, and color-texture decoupling deviation index is calculated;With preset deviation threshold value is compared, and color difference region is judged;All superpixel blocks judged as color difference region are merged, and binary mask and position information are generated as color difference defect detection result.Solve the technical problems that existing textile color difference defect detection method is difficult to meet the needs of large-scale, fine production detection in identification accuracy, feature adaptation, detection efficiency, area positioning and other aspects.
Owner:ZHEJIANG ZHONGDA TESTING TECH SERVICE CO LTD

Anti-crack and anti-seepage structure of outer wall

The utility model discloses an outer wall anti-crack and anti-seepage structure which comprises a first wall body and a second wall body, an anti-crack structure is arranged between the first wall body and the second wall body, and the anti-crack structure comprises a plurality of damping rods penetrating through the first wall body and the second wall body at the same time. The damping rods are arranged between the first wall body and the second wall body, the damping rods are matched with the viscoelastic damping waterproof assemblies, the anti-seismic performance and the waterproof effect of the wall body are effectively improved, meanwhile, through reinforcement of the fixing plates and the reinforcing steel bars, the wall body is not prone to falling off, and the wall body is not prone to falling off due to the fact that the damping rods are arranged between the first wall body and the second wall body. The stability and durability of the structure are enhanced; in addition, due to the design of the receding grooves, the space is reasonably utilized, the construction process is simplified, and construction simplicity and structural attractiveness are guaranteed.
Owner:CSCEC STRAIT CONSTR & DEV +1

Airport terminal broadcast voice level playing system

The utility model relates to the technical field of broadcast management, and discloses an airport terminal broadcast voice level broadcasting system, which comprises a broadcasting unit, a broadcasting unit and a control unit, the broadcasting unit and the broadcasting unit are both connected with the control unit, the broadcasting unit is used for sending broadcast information to the control unit, and the control unit is used for controlling the broadcasting unit. The control unit is used for controlling the playing unit to play broadcast information; the broadcast information is internally provided with a broadcast level label, the broadcast level label is used for storing the priority level of the broadcast information, the control unit is internally provided with a broadcast level control module, and the broadcast level control module is used for adjusting the playing sequence of the broadcast information according to the priority level in the broadcast level label. The airport broadcast management system has the beneficial effect of high airport broadcast management efficiency.
Owner:CHONGQING JIANGBEI INT AIRPORT

Two-way leak-proof and extended durability recyclable tail shaft front seal device

The invention discloses a two-way anti-leakage, extended-life, recyclable tail shaft front sealing device, which relates to the technical field of tail shafts. The two-way anti-leakage, extended-life, recyclable tail shaft front sealing device comprises a first sealing mechanism, a second sealing mechanism is arranged on the inner side of the first sealing mechanism, a protective ring is fixedly connected to the surface of the first sealing mechanism, a gas filling valve is fixedly connected to the surface of the first sealing mechanism, the gas filling valve is located on the inner side of the protective ring, and a docking ring is slidably connected to the inner side of the first sealing mechanism. The two-way anti-leakage, extended-life, recyclable tail shaft front sealing device ensures the ease of replacing rubber pads of the device, and ensures that when the rubber pad is corroded by seawater after being used for a period of time and fails to achieve good anti-leakage performance, the docking ring can be easily separated from the first sealing mechanism and the rubber pad can be replaced, thereby improving the ease of replacing the rubber pad between the first sealing mechanism and the second sealing mechanism.
Owner:CHONGQING CHANGYUAN MARINE EQUIP CO LTD

Industrial data analysis method and system based on dynamic form

The invention discloses an industrial data analysis method and system based on a dynamic form, and relates to the technical field of data analysis, when a plurality of systems share data, the systems calculate the similarity Xsd of data items through a repeatability analysis module, and screen out repeated data sets based on the similarity, so that the systems can effectively identify and eliminate redundant data, and the data processing efficiency is improved. And unnecessary repeated acquisition and storage are avoided, so that data storage is optimized, storage resources are saved, and the burden of redundant data is reduced. Through a data usage analysis module, the system can identify features of each data item in different contexts within a duplicated data set. Through data context vectorization and analysis of the use difference degree Cyd in different contexts, the system can further judge which data items have different meanings in different systems or service scenes, so that non-redundant data which should not be regarded as redundancy is screened out, and the analysis ensures that the system performs judgment not only based on the data similarity.
Owner:FUJIAN WENDASEN INFORMATION TECHNOLOGY CO LTD

Double-shaft optical speed detector and calibration method

The invention discloses a double-shaft type optical speed detector and a calibration method, and particularly relates to the technical field of detectors. The double-shaft type optical speed detector comprises a double-optical-path detection module, a sample adaptation module, a speckle manufacturing and detecting module, a data processing and calibration module and a display and control module. According to the double-shaft type optical speed detector and the calibration method, the light path building process is simplified through the arrangement of the integrated light path module, a user can carry out detection only through simple operation, the operation convenience is improved, the detection capacity for sample characteristic changes is effectively enhanced through the arrangement of the double-light-path detection module, and the detection accuracy is improved. The high-sensitivity detection is realized, the sample adaptation module is arranged to adapt to various samples, the universality of the device is improved, and meanwhile, the speckle manufacturing and detection module is arranged to realize high-quality and high-adaptability speckle manufacturing and detection. And the data processing and calibration module and the display and control module ensure the accuracy of data and the intuition of result display.
Owner:GUANGZHOU RONGFENG PHOTOELECTRIC TECH CO LTD

A water pump or water turbine unit performance testing device and analysis method

ActiveCN118836109BSimplify automated testingEquipped with test functionEngine componentsReaction enginesSignal conditioning circuitsWater turbine
The present application belongs to the field of fluid machinery performance test and on-line monitoring, and discloses a water pump or water turbine unit operation performance test device and method. The test device comprises a collection module and a test module. The collection module comprises a sensor group and a portable interface box encapsulated power supply unit, signal conditioning circuit and data acquisition card. The interface box and the sensor group are connected by phoenix terminals, so that each sensor forms an independent signal channel. The test module comprises a rating module, a test module, a sorting module and a signal analysis module arranged from top to bottom. The rating module is used to determine the correspondence between the sensor and the signal channel. The test module is used for on-line monitoring, test and wave recording during the unit operation process, and obtains the wave recording data. The sorting module is used to obtain effective data by cutting the wave recording data. The signal analysis module is used for analyzing and processing the effective data. The present application simplifies the unit test process and greatly reduces the error probability.
Owner:HUAZHONG UNIV OF SCI & TECH

Steel structure grinding equipment convenient to maintain

The utility model discloses steel structure polishing equipment convenient to maintain, and relates to the technical field of polishing, the steel structure polishing equipment comprises a polishing shaft and a polishing disc, the surface of the polishing shaft is slidably provided with a first ring block, the surface of the first ring block is rotatably provided with a protective cover, and the surface of the polishing shaft is fixedly provided with a second ring block; according to the steel structure polishing equipment convenient to maintain, a polishing disc is maintained and operated by an operator, when the polishing disc is maintained or replaced, the operator only needs to separate a nut body at a second screw groove, a protective cover is pushed to reset through the elastic performance of a compressed first spring, and the polishing disc is fixed to the protective cover. And when the grinding disc works, the protective cover can form good protective operation on the grinding disc, and through the mode, it is guaranteed that when the grinding disc works, the convenient scrap splashing prevention effect is achieved through the protective cover, and meanwhile it is guaranteed that when the grinding disc is maintained, the protective cover is adjusted to be away from the grinding disc easily.
Owner:HANGXIAO STEEL STRUCTURE (XINYANG) CO LTD

A performance bottleneck evaluation method, device and medium of a GoldenDB database

The application discloses a kind of GoldenDB database performance bottleneck evaluation method, equipment and medium, related to database data processing technical field, method includes the following steps: the general performance index of each node in cluster and GoldenDB database unique performance index are collected, and the data collected are format unified and time series processing, form standardization data;The standardization data is aggregated under different time dimensions, according to the preset aggregation index, aggregated data is converted into the aggregation data reflecting performance change trend with discrete data points;The aggregation data is respectively input into the corresponding performance evaluation model deployed on each node for analysis, obtains the performance bottleneck evaluation result and performance change trend prediction result of each node and cluster;The performance bottleneck evaluation result and performance change trend prediction result distributed in each node are summarized, and unified database performance bottleneck evaluation and prediction report is generated.
Owner:SHANDONG CITY COMMERCIAL BANK COOP ALLIANCE CO LTD

A needle valve type hot runner structure with an embedded heating wire

This utility model relates to a needle valve type hot runner structure with an externally embedded heating wire, including an injection component and a support component. The injection component passes through the support component from top to bottom. The upper end of the injection component has a raised edge, and the lower end of the injection component is fixedly installed with a dispensing nozzle. A heating wire is embedded below the raised edge and on the outer periphery of the injection component. The structure also includes an annular heat insulation component, which is fixedly connected to the lower end of the raised edge and blocks the outside of the heating wire. The heat insulation component and the support component are in vertical contact. The heat insulation component and the support component of this utility model form a heat-sealing structure, which can effectively prevent the heat from the heating wire from dissipating outwards. Therefore, the heating wire does not need to be embedded inside the injection component, ensuring the ease of installation.
Owner:XIAMEN HOTWISE TECH CO LTD

Research data integration analysis method and system based on multi-source data fusion

The invention relates to the technical field of data processing of multi-source data fusion, and discloses an investigation data integration analysis method and system based on multi-source data fusion. According to the scheme, a multi-source sensor is deployed, original voltage is collected, and standardization is carried out in each physical quantity range; constructing temperature, pressure and vibration three-dimensional observation and states based on a unified time index, and setting initial values; recursive prediction is carried out by using a constant preserving model; counting a multi-measuring-point variance in a static window, determining observation noise in combination with the minimum quantization step size, and calculating fusion gain; linearly updating and correcting covariance, and then carrying out dimension-by-dimension amplitude limiting according to an abnormal upper limit; carrying out space averaging on the three-dimensional results of the multiple measuring points at each sampling moment, and carrying out rollback if necessary; and a fusion sequence and a statistical report are formed in the whole cycle. According to the method, the data scale is unified, subjective parameters and computing power burden are reduced, adaptive noise modeling along with the environment is achieved, stable noise suppression and fault resistance are achieved, and continuous output and comparable analysis are guaranteed.
Owner:SHANDONG DAQIAN MANAGEMENT CONSULTING CO LTD

Microwave millimeter wave co-aperture patch antenna

The microwave millimeter wave co-aperture patch antenna comprises a metal reflecting floor, an upper layer dielectric substrate and a microwave metal patch arranged in a laminated manner, the microwave metal patch has an open slot and a microwave coupling slot, and a millimeter wave metal patch and a microwave feed strip are arranged inside respectively, the outer edge of the open slot is connected to the metal reflecting floor through a grounding rod, a millimeter wave signal excites the TM 01 mode of the millimeter wave metal patch, realizes millimeter wave broadside radiation of the millimeter wave metal patch, part of the energy is coupled to the outer edge of the open slot through the coplanar waveguide, and a vertical current is formed on the grounding rod, thereby generating low elevation angle radiation in the millimeter wave band, the millimeter wave broadside radiation and the low elevation angle radiation interact, and wide beam radiation of the millimeter wave is realized. Through unique structure optimization and technical innovation, the beam width of the millimeter wave is widened, and the miniaturization, low cost and high reliability of the antenna are maintained.
Owner:YANCHENG INST OF TECH +1

Action track acquisition device for equipment

The utility model relates to an action track acquisition device, in particular to an action track acquisition device for equipment. The utility model discloses an action track acquisition device for equipment. The action track acquisition device comprises a device shell, a control display assembly arranged on the front side of the device shell, a fixed mounting assembly arranged on the rear side of the device shell, and a track acquisition assembly which is arranged in the device shell and is adjacent to the control display assembly. The utility model aims to provide the action track acquisition device for the equipment, which is simple and convenient to install, high in applicability and relatively high in protection performance.
Owner:中国人民武装警察部队北京市总队

Preparation process of super-retarding water reducing agent for underwater secant pile

PendingCN119390383AImprove convenienceChange the initial setting timePolyesterOrganic acid
The invention discloses a preparation process of a super-retarding water reducing agent for underwater secant piles, and relates to the field of water reducing agent preparation, and the preparation process comprises the following steps: preparation of a polyester polycarboxylic acid water reducing agent, preparation of a polyether polycarboxylic acid water reducing agent, proportioning of polysaccharides, polymeric amino acids and organic acids in a retarder, and preparation of the super-retarding water reducing agent. According to the preparation process of the super-retarding water reducing agent for the underwater secant pile, the polyester polycarboxylic acid water reducing agent and the polyether polycarboxylic acid water reducing agent are adopted as mother liquor for compounding, and low-cost raw materials are adopted for manufacturing, so that the production cost of the water reducing agent can be effectively reduced, and meanwhile, the simplification of the production of the water reducing agent is ensured; the water reducer is convenient to widely popularize and use, the initial setting time of concrete can be changed, secant piles can be conveniently cut when the concrete is subjected to initial setting, so that the pouring time of the next secant pile is conveniently grasped, the construction time of the secant piles is shortened, and the convenience of the water reducer in use is effectively improved.
Owner:浙江和业科技有限公司

A timing task processing method and device, electronic equipment and storage medium

PendingCN122261815ASolve the problem of repeated executionSimplicity guaranteedResource allocationLogisimOperating system
The application provides a timing task processing method and device, electronic equipment and storage medium, comprising: in response to a trigger event of a timing task, obtaining a distributed lock from a shared distributed storage service based on a distributed lock acquisition program embedded in the timing task in advance; in response to a result of successful acquisition of the distributed lock, executing a business program corresponding to the timing task; and in response to a result of failed acquisition of the distributed lock, skipping the execution of the business program corresponding to the timing task. By directly embedding the distributed lock acquisition logic in the timing task method body and using the shared distributed storage service as a coordination intermediary, the application ingeniously solves the problem of repeated execution of timing tasks in a micro-service multi-instance environment. Without introducing any external components, the application realizes lightweight and maintains the simplicity and low operation and maintenance cost of the original architecture.
Owner:CHERY AUTOMOBILE CO LTD

BOCDR distributed optical fiber sensing device and method based on chaotic optical path matching detection

The invention belongs to the field of distributed optical fiber sensing monitoring, and discloses a BOCDR distributed optical fiber sensing device based on chaotic optical path matching detection. The device comprises a chaotic light source, an optical isolator, a first optical fiber coupler, an erbium-doped optical fiber amplifier, a grating optical filter, a first optical fiber circulator, a sensing optical fiber, an optical delay line, a second optical fiber coupler, a first photoelectric detector, a second photoelectric detector and a spectrum analyzer, according to the invention, the optical path matching base point is determined through the cross-correlation of the chaos reference light and the chaos pump light, and the distributed measurement of the Brillouin correlation domain reflection is realized by using the chaos optical path matching and coherent beat frequency method, so that the spatial resolution of the system can be improved.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY

Equipment for measuring bending center diameter in processing of reinforcing steel bar in concrete structure

The utility model relates to equipment for measuring the bending center diameter of reinforcing steel bar processing in a concrete structure, which comprises a shell (1), a slide rail (2), scales (3), a slide block (4) and instructions and standards (5) are arranged in the shell (1), and the equipment is characterized in that the shell (1) is a transparent plastic plate which is a semicircle with the radius of 200mm, three grooves with angles are formed in the plate surface, the shell (1) is called as the slide rail (2), the slide block (4) with a pointer is arranged in the slide rail (2), and the scale (3) is arranged in the slide rail (2). And instructions and standards (5) are printed on the surface of the shell. In order to ensure the intuition of data, the device adopts a transparent plastic plate, all scale marks are printed on the plate, the scale marks and the marks are prevented from being abraded in the using process, the practical situation that the operation of measuring the bending center diameter of the reinforcing steel bar in the past is not feasible needs to be solved, and the bending center diameter of the reinforcing steel bar is measured through a more direct and clearer method. And the bending center diameters corresponding to the reinforcing steel bars of various specifications in the actual machining and bending process are found out.
Owner:SUZHOU TRAFFIC ENG TESTING CENT CO LTD

Motion compensation device

The motion compensation device according to the present invention may comprise: an outer cannula that is inserted into a human body and reaches a target object to be subjected to a surgery, and a compensation calculation unit that calculates a motion compensation corresponding to the motion of the target object in the human body; the outer cannula may include a surgical instrument portion that treats the target object; in response to movement of the target, a distance between the target and the surgical instrument portion or a distance between the target and the outer cannula may be maintained within a predetermined range.
Owner:ROEN SURGICAL INC

Shale gas well tubing running opportunity determination method

The invention discloses a method for determining the oil pipe lowering time of a shale gas well. The method comprises the steps that firstly, shaft pressure drops generated when a shale gas updip well and a shale gas downdip well are produced through a sleeve and an oil pipe are calculated respectively; 2, drawing an updip well three-dimensional curved surface drawing and a downdip well three-dimensional curved surface drawing which have the same coordinate system; thirdly, preliminary reference charts of the oil pipe lowering time of the updip well and the downdip well under any wellhead pressure are determined respectively; 4, determining a preliminary reference chart of the oil pipe descending time of the updip well and the downdip well under different wellhead pressures; fifthly, final reference charts of the oil pipe descending time of the updip well and the downdip well are obtained through combination; and 6, determining the oil pipe descending time according to the final reference chart of the oil pipe descending time. According to the method, the oil pipe descending time of any shale gas well can be determined, the technical problems that the oil pipe intervention time of the shale gas well is difficult to determine and a clear guidance method is lacked at present are solved, and important technical support can be provided for developers to accurately judge the oil pipe descending time of the gas well.
Owner:CHINA NAT PETROLEUM CORP +1

Pulmonary artery micro catheter with wedge-shaped balloon

The pulmonary artery micro catheter comprises a catheter body, a guide wire channel penetrating through the catheter body and a balloon channel arranged in the catheter body, the wedge-shaped balloon is arranged at the far end of the catheter body, the far end of the wedge-shaped balloon is closed, and the other end of the wedge-shaped balloon is communicated with the balloon channel.
Owner:THE FIRST AFFILIATED HOSPITAL OF CHONGQING MEDICAL UNIVERSITY

Multi-agent communication method based on role learning

The invention relates to a multi-agent communication method based on role learning, and the method comprises the steps: dividing roles according to action attributes, calculating the characterization of the roles, and determining the roles of each agent in some continuous time; then, an attention mechanism is introduced, communication weight transmission information is distributed to different roles, and message transmission between the roles is achieved; meanwhile, sending objects and message contents of messages sent by the intelligent agents are determined, and communication between different intelligent agents under the same role is achieved; in the design, an information prediction model is established by utilizing mutual information, the effectiveness and pertinence of messages are ensured, meanwhile, communication contents are filtered by utilizing an attention mechanism, the conciseness of the messages is ensured, the problems of information redundancy, lack of pertinence and low expansibility in multi-agent communication are solved, the efficiency of multi-agent strategy learning is improved, and the method is suitable for popularization and application. And moreover, the negative influence of information shortage on strategy model convergence is inhibited, so that the strategy model training performance of cooperative multi-agent reinforcement learning is finally improved, and efficient communication of multiple agents is realized.
Owner:HOHAI UNIV

Novel actuator for automobile door handle

The utility model belongs to the technical field of automobile parts, and relates to a novel actuator for an automobile door handle, which comprises an upper cover, a lower cover, a motor, a worm, a worm gear, a screw rod gear, a push rod, a shaft sleeve I, a shaft sleeve II, a sealing ring, a magnet, a circuit board and a terminal. The worm is fixed to an output shaft of the motor and meshed with the first gear end of the worm gear. The worm end of the worm gear is meshed with the second gear end of the lead screw gear, and the lead screw end of the lead screw gear is meshed with the push rod. The first shaft sleeve is assembled on a motor output shaft. The shaft sleeve II is assembled at the optical axis of the worm gear and the screw rod gear; the sealing ring and the push rod are matched and assembled in a shell formed by the upper cover and the lower cover; the magnet is fixed on a motor output shaft; the terminal is injection-molded on the lower cover; the circuit board and the terminals are assembled on the lower cover in a matched mode. The actuator is a mechanism which is driven by a motor, converts circular motion of the motor into linear motion of a push rod and outputs an electric signal at the same time. The device is light in structure, large in torque, low in noise, stable in performance and capable of being used on most vehicle types.
Owner:WUXI BOGIN AUTO PARTS CO LTD

Lubricating oil abrasive particle detection method and system

The invention discloses a lubricating oil abrasive particle detection method and system, and the method comprises the steps: data collection: arranging a capacitive sensor on the outer wall of a pipeline, and obtaining the initial capacitance data C1 of a to-be-detected region through the capacitive sensor; data processing I: performing dimension reduction processing on the initial capacitance data C1 through a principal component analysis method to obtain second-order capacitance data C2; second data processing: inputting the second-order capacitance data C2 into the neural network model, and adding constraint conditions to obtain third-order capacitance data C3; image reconstruction: inputting the third-order capacitance data C3 into the finite element analysis model to obtain an image in the to-be-detected area; and evaluation and optimization: evaluating the reconstructed image, and if the image is not clear, repeating the second data processing and the image reconstruction process until the imaging quality meets the requirement. According to the method, the data is analyzed through the principal component analysis method, a simpler and more accurate neural network model can be established, the whole process consumes less time, the calculation amount is moderate, and the accuracy can also be ensured.
Owner:SHANGHAI AIRCRAFT DESIGN & RES INST COMML AIRCRAFT OF CHINA

Multi-armature flux switching electric excitation motor

The present invention relates to a multi-armature flux switching electric excitation motor, comprising a stator and a rotor, wherein the stator comprises a stator core, a hybrid winding and a stator armature winding, the stator core has stator slots distributed along its circumference, the stator slots comprise a first stator slot and a second stator slot, the first stator slot is provided on both sides with a second stator slot, the first stator slot is used to accommodate the hybrid winding, and the second stator slot is used to accommodate the stator armature winding; wherein the area of ​​the first stator slot is greater than the area of ​​the second stator slot; the rotor comprises a rotor core and a rotor armature winding, the rotor core has rotor slots distributed along its circumference, and the rotor slots are used to accommodate the rotor armature winding; the copper loss of the hybrid winding is greater than the copper loss of the stator armature winding, and the copper loss of the rotor armature winding is greater than the copper loss of the stator armature winding. The present invention realizes a significant improvement in the torque density of the flux switching electric excitation motor through the mutual cooperation of the multi-armature topology and the copper loss distribution of each winding and the stator slot type.
Owner:ZHEJIANG UNIV OF SCI & TECH