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156results about How to "Address limitations" patented technology

Intelligent customer service method for adaptively adjusting interaction strategy by using reinforcement learning

The invention discloses an intelligent customer service method for adaptively adjusting an interaction strategy by using reinforcement learning, and the method comprises the following steps: S1, obtaining a natural language text inputted by a user, and generating a multi-dimensional state vector; s2, grouping the users by using a real-time dynamic clustering algorithm, and updating a clustering result; s3, generating an action space in a specific state, and enriching the action space in combination with a rule-based strategy and a learning-based strategy; s4, aggregating neighbor node features through a graph convolutional network, and extracting local features; s5, weighting adjacent node features by using a graph attention network, and dynamically allocating attention weights; s6, carrying out interaction strategy optimization by adopting a spiral ladder type deep exploration network, and optimizing action selection; and S7, combining online learning with an experience playback mechanism, continuously updating an interaction strategy, and making a quick response to dynamically changing user demands. According to the method, reinforcement learning, the graph neural network and the sentiment analysis technology are combined, and intelligent customer service interaction strategy self-adaptive adjustment and optimization are achieved.
Owner:KEXUN JIALIAN INFORMATION TECH CO LTD +1

Visual data platform full-link data flow tracing method, system, device and medium

The invention relates to the technical field of big data management and data analysis, and discloses a visual data platform full-link data flow traceability method, system and device and a medium, and the method comprises the steps: monitoring a job scheduling process submission event, analyzing the input and output configuration information of each job node, converting the information into a data flow model, and storing the data flow model in a traceability database; static analysis is conducted on node scripts and codes, and analysis results are stored in a traceability database; generating a unique identifier for each data record, and recording related information in a data circulation process; and writing the data flow relationship into a graph database Neo4j through a Kafka asynchronous message, and performing data traceability query by a user through a visual interface. The method has the beneficial effects that the data quality and safety are improved, and the limitation and complexity of a mainstream open source tool in the aspect of a data blood relationship analysis function are solved.
Owner:LUCULENT SMART TECHNOLOGIES CO LTD

Basin ecological safety monitoring method and system based on big data

The invention discloses a drainage basin ecological safety monitoring method and system based on big data. The method comprises the steps of data acquisition, data preprocessing, drainage basin ecological environment monitoring, drainage basin ecological system monitoring, hyper-parameter optimization and drainage basin ecological comprehensive monitoring. The invention belongs to the technical field of ecological safety information processing, and particularly relates to a drainage basin ecological safety monitoring method and system based on big data, according to the scheme, ecological environment monitoring and ecological system monitoring are creatively and deeply fused, and the comprehensiveness and accuracy of drainage basin ecological safety monitoring are improved; adjacent domain similarity, a standard deviation adjustment distance and a distribution coefficient are introduced, a selection process of a clustering center is optimized, and the technical problem that a watershed ecosystem monitoring result is not accurate enough is solved. The algorithm for obtaining the optimal parameters of the monitoring model is improved by adopting the dynamic adaptation factors, the opposite individuals and the individual symbiotic update, the optimal parameter combination is obtained, the accuracy of the model output result is improved, and the drainage basin ecological environment monitoring result is more accurate.
Owner:CHONGQING UNIV +1

Thermal generator set load prediction system based on machine learning

The invention discloses a thermal generator set load prediction system based on machine learning, and the system overcomes the defects of a conventional load prediction method through an end-to-end solution composed of a comprehensive data collection module, a multi-level feature engineering module, a multi-model integration module, a self-adaptive optimization module and the like. The system collects multi-dimensional data from a thermal generator set control system, an environment monitoring system, a fuel detection system and a historical database, wherein the multi-dimensional data comprises load data, environment data, fuel characteristics and equipment operation data. According to the multi-dimensional data integration mode, the model not only depends on single historical load data, but combines multiple influence factors such as environment, fuel and equipment states, the problem that a traditional method depends on a single data source is solved, the load prediction precision is effectively improved, and the load prediction efficiency is improved. And the adaptive capacity of the prediction model to different environment conditions and equipment states is stronger.
Owner:HUANENG JILIN POWER GENERATION CO LTD CHANGCHUN THERMAL POWER PLANT

Configuration method and system of sensing signal

The invention discloses a sensing signal configuration method and system. The method comprises the following steps: calculating a target distance which can be sensed by adopting a target sensing signal according to parameters of a base station, the target sensing signal comprising a continuous wave sensing signal or a pulse sensing signal; determining a target sensing distance range according to the target sensing scene; and determining a target sensing signal configured for the base station according to the size relationship between the target distance and the boundary value of the target sensing distance range.
Owner:ZTE CORP

Anti-locking fixing device for secondary cable construction

The invention relates to the field of cable construction devices, in particular to an anti-locking fixing device for secondary cable construction. Comprising a support adjusting mechanism, a wire dragging mechanism and / or a corner mechanism, the support adjusting mechanism comprises a central column, an adjusting mounting seat, a telescopic column, a support base and a driven rotating rod; the adjusting mounting seat is arranged on the central column in a sleeving manner; the telescopic column is arranged on the outer side of the central column, and the upper end of the telescopic column is rotationally connected with the adjusting mounting seat; the middle of the telescopic column is rotationally connected with the driven rotating rod and rotationally connected with the lower portion of the center column through the driven rotating rod. The interior of the central column is hollow and is used for mounting a wire dragging mechanism and / or a corner mechanism; the wire dragging mechanism comprises a wire dragging frame and a wire dragging guide wheel. The wire dragging frame is composed of a wire dragging fixing rod and a U-shaped frame fixed to the wire dragging fixing rod. The corner mechanism comprises a corner frame, a corner guide wheel and a guide wheel upper plate; the corner bracket comprises a guide wheel lower plate, a corner fixing rod fixedly connected to the lower portion of the guide wheel lower plate, and a guide wheel column installed on the upper portion of the guide wheel lower plate.
Owner:SUQIAN POWER SUPPLY COMPANY OF JIANGSU PROVINCE POWER +2

Battery SOC estimation method and device based on Kalman filtering, electron and medium

The invention belongs to the technical field of battery parameter estimation, and particularly relates to a battery SOC estimation method and device based on Kalman filtering, equipment and a medium. According to the scheme provided by the invention, aiming at the problems of small error and large influence caused by the voltage plateau period of the battery when SOC estimation is carried out on the lithium iron phosphate battery by a traditional Kalman filtering method, on the basis of a Kalman filtering algorithm, the improved formula is introduced, and the value of the gain G in the voltage plateau period in the improved formula is determined, so that the SOC estimation accuracy of the lithium iron phosphate battery is improved. The SOC estimation precision of the lithium iron phosphate battery is effectively improved, the maximum effectiveness of the battery can be ensured through accurate SOC estimation, the cost is reduced, and resource waste is prevented.
Owner:JINAN UNIVERSITY +1

Super-resolution image processing method and device based on artificial intelligence

The invention relates to the technical field of artificial intelligence and image processing, in particular to a super-resolution image processing method and device based on artificial intelligence, and the method comprises the steps: obtaining a first target image meeting a first preset resolution condition, segmenting the first target image, and obtaining a second target image meeting a preset pixel condition; aligning pixels of the second target image by using the extracted depth features of the second target image to obtain a third target image; and performing feature fusion processing on the third target image by using a preset target neural network, and obtaining an RGB image meeting a second preset resolution condition from the first target image according to the fused image. Therefore, the problem of limitation of an image super-resolution processing mode in related technologies is solved, the applicability of the image super-resolution method is improved, the complexity of image super-resolution operation is reduced, and the efficiency of image super-resolution processing is improved.
Owner:TSINGHUA UNIVERSITY

Voltage transformer DC bias test device for photovoltaic power generation and control method thereof

The invention discloses a voltage transformer direct current bias test device for photovoltaic power generation and a control method thereof in the field of electrical measurement. The device and the control method thereof comprise a first voltage regulator, an alternating current booster, a direct current voltage source and a voltage divider for monitoring. The components form a direct current bias voltage source which is connected with a primary coil of a voltage transformer for photovoltaic power generation in parallel and applies direct current bias power frequency test voltage, a second alternating current voltage source is connected with a standard voltage transformer in parallel and applies processing frequency alternating current test voltage, and a voltage divider for monitoring monitors voltage output by the direct current bias voltage source. Secondary coil output voltages of a tested mutual inductor and a standard mutual inductor, a voltage of a primary current flowing through a sampling resistor and an output voltage of a voltage divider are measured and input to a voltage transformer direct current bias performance measurement unit; and obtaining an error of the tested voltage transformer for photovoltaic power generation under a direct current bias condition, a primary current waveform, and a power frequency alternating current component and a direct current bias component of output voltage of a direct current bias voltage source.
Owner:ZHEJIANG HORIZON INSTR TRANSFORMERS

Multi-camera background schlieren arbitrary coplanar view field splicing method

The invention discloses a multi-camera background schlieren arbitrary coplanar field-of-view splicing method, which comprises the following steps of: synchronously acquiring background images and experimental images of different areas of a complex geometric structure flow field by adopting a plurality of cameras under the conditions of still air and fluid flow; taking a view field delimited according to an actual complex flow field structure as a spliced view field to obtain a full-view contour, and drawing an unstructured grid for the full-view contour; on the basis of the sub-displacement fields shot by the cameras respectively, displacement on each grid point is obtained through interpolation according to the regional position corresponding relation, and full-field displacement distribution after splicing is obtained; and calculating the density information of the flow field by solving a Poisson equation according to the spliced full-field displacement distribution. The problem of limitation of a single camera system in large-view-field complex flow field measurement is solved, high-precision measurement of a complex geometric structure and a large-scale flow field is achieved, the application range of the BOS technology is expanded, and the measurement precision and flexibility are improved.
Owner:TIANMUSHAN LABORATORY

Three-way valve

The invention discloses a three-way valve, which belongs to the technical field of three-way valves and comprises a three-way pipe fitting, three groups of butterfly valves, three groups of transmission mechanisms and a driving box, the three groups of butterfly valves are fixedly mounted at three ports of the three-way pipe fitting respectively; the butterfly valve comprises a valve body and a valve clack, a valve rod is fixedly mounted on the valve clack, and the valve clack is rotatably mounted in the valve body through the valve rod; a second groove is formed in the arc face of the valve clack, and an expansion and shrinkage piece is fixedly installed in the second groove. The three-way valve with a three-way switch function is formed by combining the three-way pipe fitting and the three butterfly valves, the three-way valve can adapt to control switching of the flow direction of a medium in a large-diameter pipeline, and the problem of limitation of a ball valve tee joint on the diameter size is solved; according to the three-way valve, airtight protection is additionally arranged on the three sets of butterfly valves, so that the butterfly valves have good airtightness, leakage is not prone to occurring when the butterfly valves face large calibers and high pressure, the safety of the three-way valve is greatly improved, and the three-way valve can stably run for a long time.
Owner:SHANGHAI HUAQI YUTAI ENG MATERIALS CO LTD

Integrated system and method for flow channel leakage detection and flow resistance detection in liquid cooling shell

The invention discloses an integrated system and method for flow channel leakage detection and flow resistance detection in a liquid cooling shell. The integrated system comprises a waterway system. The waterway system comprises a pressure test pump, a first electric ball valve, a first flow sensor, a differential pressure sensing module, a second electric ball valve and a water tank which are connected in sequence; the multi-stage centrifugal pump is connected with the pressure test pump in parallel; two ends of the first electric ball valve and the first flow sensor are connected in parallel with a third electric ball valve and a second flow sensor; the third electric ball valve is connected in series with the second flow sensor; two ends of the differential pressure sensing module are connected with a liquid cooling shell part to be detected; the differential pressure sensing module comprises a differential pressure sensor group. According to the invention, an automatic detection mode is adopted, and pressure and flow resistance detection of the flow channel in the shell part is automatically carried out by comprehensively using the pressure difference sensor, the pressure sensor, the flow sensor and the like, so that the limitation and complexity of manual detection are solved, meanwhile, the traceability of data is realized, and the detection scheme is efficient and reliable.
Owner:NANJING RES INST OF ELECTRONICS TECH

Method for detecting welding edge of thick-wall workpiece welding seam under high-temperature environment based on low-frequency far-field eddy current

The invention relates to a low-frequency far-field eddy current-based method for detecting a welding edge of a thick-wall workpiece welding seam in a high-temperature environment, and belongs to the field of thick-wall workpiece welding seam detection. A far-field eddy current probe of the far-field eddy current flaw detection system is placed on the surface of a weld joint of a workpiece to be detected, the probe is started to move along the weld joint, signals transmitted from a receiving coil are monitored in real time, and the received signals are processed and analyzed to identify defects in the weld joint. The device has the advantages that the adopted far-field eddy current probe comprises the exciting coil and the receiving coil, signals collected by the probe are processed and analyzed in real time, the accuracy and reliability of a detection result are ensured, the detection efficiency of the welding seam of the thick-wall workpiece is improved, the risk of missing detection is reduced, and a powerful guarantee is provided for industrial safety production; the detection sensitivity and depth can be improved, online detection can be achieved, namely, defect detection is conducted synchronously in the welding process, and the production efficiency and safety are greatly improved.
Owner:JILIN ELECTRIC POWER RES INST LTD +1

Complex inner hole rapid detection method based on laser scanning

PendingCN121829354Aavoid scratchesAvoid probe wear problemsUsing optical meansTriangulationLaser scanning
The invention relates to the technical field of precision measurement and optical detection, and discloses a complex inner hole rapid detection method based on laser scanning. According to the method, full-automatic three-dimensional reconstruction of the special-shaped inner hole with the high depth-diameter ratio is achieved through cooperative movement of a rotating platform and an axial feeding laser measuring head in combination with triangulation method laser displacement sensing, multi-source data fusion and an environment compensation mechanism. According to the invention, a traditional contact type measuring means is abandoned, and a non-contact laser scanning technology is adopted, so that the problem of workpiece surface scratch or measuring head wear caused by physical contact is avoided; through cooperative movement of the rotating platform and the linear feeding mechanism, full-circumferential and full-depth coverage scanning of a complex inner hole is achieved, and the limitation that only discrete points or local information can be obtained through an existing method is solved.
Owner:NANYANG NORMAL UNIV

Intelligent drilling construction data safety monitoring system based on management and control cloud platform

The invention relates to the field of safety monitoring, and discloses an intelligent drilling construction data safety monitoring system based on a management and control cloud platform. The system comprises a data acquisition module, a data transmission and processing module, a construction condition analysis module, a safety risk prediction coefficient calculation module, a safety risk prediction module, a risk level positioning module and a result feedback module. The method comprises the following steps: acquiring drilling construction data, transmitting the drilling construction data to a cloud platform data processing center for processing, carrying out comprehensive analysis and safety risk prediction on the processed drilling construction data, carrying out risk grade division and positioning according to a risk prediction result, and feeding back and early warning to a management personnel terminal, thereby being beneficial to realizing comprehensive, real-time and efficient monitoring and analysis of the drilling construction data. Potential safety risks can be better identified, potential safety hazards in the construction process can be found and processed in time, and the accuracy and timeliness of early warning information are improved.
Owner:SHANXI COAL TRANSPORTATION & MARKETING GRP JINNENG COAL MINE ENG CO LTD +2

Cylindrical paint brush head shell

The utility model discloses a cylindrical paint brush head shell, which relates to the field of paint brushes, and is characterized in that the cylindrical paint brush head shell comprises a cylindrical shell with an upper opening and a lower opening, a bottom plate is arranged in the cylindrical shell, and a side plate connected with the bottom plate is fixedly connected to the upper opening of the cylindrical shell. A plurality of rectangular holes which penetrate through the side plate and are defined by the side plate and the inner side wall of the cylindrical shell are formed in the edge portion surrounding the side plate, a plurality of round holes which are arranged in an array and penetrate through the side plate are formed in the position, located in an inner area defined by the rectangular holes, of the surface of the side plate, and bristles are inserted into the rectangular holes and the round holes; the brush bristles extend out of the cylindrical shell, so that the brush head has the performance of rectangular holes and round holes at the same time, and the performance of the brush head can be obviously improved.
Owner:ZHENJIANG BAISHENG BRUSHES MAKING CO LTD

Liquid milk UHT cleaning model construction method based on multiple monitoring parameters

The invention discloses a liquid milk UHT cleaning model construction method based on multiple monitoring parameters, and the method comprises the steps: setting cleaning parameters, carrying out the multi-parameter monitoring through a plurality of monitoring probes in a CIP cleaning process, and carrying out the sampling at preset time intervals, so as to measure the protein concentration; by adopting a response surface analysis method, analyzing and fitting monitoring data, sampling measurement values and cleaning parameters of each probe to obtain an equation model of the cleaning time to the cleaning temperature, the cleaning flow speed and the cleaning liquid concentration; a symbolic regression method is adopted, and an equation model of the cleaning speed to the cleaning time, the cleaning temperature, the cleaning flow speed and the cleaning liquid concentration is obtained by analyzing and fitting the monitoring data, the sampling measurement values and the cleaning parameters of all the probes. The cleaning time equation and the cleaning rate equation adopt multiple parameters to carry out modeling research on the cleaning process, and reference is provided for optimization of the pipeline cleaning process in the dairy industry.
Owner:INNER MONGOLIA UNIVERSITY

An automated ammonia nitrogen analysis system and instrument based on flow analysis technology

ActiveCN115684046BAutomatic Quantitative AnalysisRapid Quantitative AnalysisMaterial analysis by observing effect on chemical indicatorTesting water
The present invention discloses an automated analysis system and instrument for ammonia nitrogen based on flow analysis technology, and belongs to the technical field of chemical analysis and quantitative detection. The instrument developed by the present invention can realize automatic and rapid determination of ammonia nitrogen in different detection ranges in various water quality samples, and the obtained results are accurate and reliable. The characteristics of the present invention are that, firstly, a new type of flow analysis system is designed and established, which, on the basis of inheriting the advantages of traditional flow injection analysis and sequential injection analysis technology, solves many problems existing in these technologies, such as the inconvenience of using peristaltic pumps, high cost of using rotary valves, and inability to be used for online monitoring and unattended operation. The automated analysis instrument developed based on this can realize true one-button start-up; secondly, based on the analysis system, a dedicated analysis flow path is designed for the salicylic acid reaction system involving ammonia nitrogen, and after optimizing the system parameters and reaction conditions, the obtained detection performance indicators all perform well.
Owner:SHENZHEN CHANGLONG TECH CO LTD

A broadband high-speed photodetector module

ActiveCN224435577USolve the problem of single wavelengthaddress limitationsSpectral responsePhotodetector
This utility model discloses a broadband high-speed photodetector module, including: a housing and a driving circuit. The housing has an internal mounting cavity, a high-speed broadband response photodetector, and is fixed inside the housing via an SMA interface. An OLED display screen is embedded on the front of the housing and connected to the driving circuit via a flexible circuit board. The high-speed broadband response photodetector has a spectral response range of 800nm ​​to 1650nm, fully covering the wavelength requirements of multimode and single-mode optical fibers. It solves the limitations of traditional modules with single wavelength or narrow spectrum, significantly improves compatibility with different optical fiber systems, and is suitable for complex hybrid optical fiber network scenarios. Through the coordinated design of the cylindrical body on the side wall of the housing, the air outlet, and the heat dissipation components, the heat generated by the photodetector during operation can be quickly dissipated, avoiding performance degradation or device damage due to temperature rise, and ensuring long-term stable operation of the module under high-speed and high-load conditions.
Owner:CHENGDU XIJIAO JIERUI OPTOELECTRONICS TECH CO LTD

Infrared heat sensing pixel unit array imaging device and manufacturing method thereof

ActiveCN118173568Baddress limitationsfix bugs
The present invention provides a far-infrared thermal sensing pixel unit array imaging device and a manufacturing method thereof, which is composed of a thermal sensing pixel unit array constructed on a semiconductor substrate; each thermal sensing pixel unit in the array comprises: an upper cavity and a lower cavity that are interconnected, and a sensing unit suspended between the upper cavity and the lower cavity, and the sensing unit is connected to a transistor in the substrate through a first vertical interconnection component and a second vertical interconnection component vertically constructed on the substrate; there are isolation walls between the thermal sensing pixel units, which can not only achieve pixel-level vacuum and microwave crosstalk isolation of the thermal sensing pixel units, but also solve the above-mentioned performance limitations or defects by distinguishing and isolating pixel-level microwaves from the vacuum cavity.
Owner:SHENZHEN RUINA ELECTRONIC TECHNOLOGY DEVELOPMENT CO LTD

PLC programming environment based on web technology stack and construction method thereof

The invention discloses a PLC programming environment based on a web technology stack and a construction method thereof, and relates to the field of industrial intelligent control, and the PLC programming environment comprises an expansion framework module, a user interface module, an equipment management module, a communication protocol module, a project management module and a monitoring debugging module. The PLC programming environment adopts a VS Code expansion architecture, integrates a modern Web technology, and constructs a graphical PLC integrated development environment. The environment supports the functions of PLC project management, task programming, equipment configuration, bus management, real-time monitoring, variable debugging and the like. The problems that a traditional PLC programming environment is insufficient in expansibility, poor in user experience and the like are solved, and the problem that different manufacturers lack a unified development platform is solved.
Owner:DAO LI ZHIYUAN TECH (QINGDAO) CO LTD

Water conservancy project drainage pipe reinforcing device

The utility model belongs to the technical field of water conservancy project drainage pipe reinforcement, and provides a water conservancy project drainage pipe reinforcement device which comprises an upper arc-shaped plate, a lower arc-shaped plate and two supporting columns, the two supporting columns are arranged in parallel and fixedly connected to the bottom face of the lower arc-shaped plate, and the upper arc-shaped plate is detachably connected with the lower arc-shaped plate. The inner side of the upper arc-shaped plate and the inner side of the lower arc-shaped plate are connected with first base plates through telescopic adjusting structures, the telescopic adjusting structures are used for driving the first base plates to move inwards or outwards, second base plates are detachably installed on the inner sides of the first base plates, and a plurality of arc-shaped rods are evenly arranged on the inner side faces of the second base plates. The drainage pipe fixing device can meet the fixing requirements of drainage pipes of different types and different sizes, and the problems that an existing reinforcing assembly needs to be fixed according to special sizes in the actual use process, the practicability is relatively poor, and certain limitation exists in the actual use process are solved.
Owner:NORTHWEST ENGINEERING CORPORATION LIMITED

A security monitoring device cable holder

The utility model discloses a kind of security monitoring equipment cable fixer, relate to security monitoring equipment accessory technical field;To solve the problems of single structure, poor adaptability, easy to wear cable and fixed installation position of existing fixing device;The fixer includes support plate, support rod, telescopic rod and fixer, support rod is connected telescopic rod by screw and cooperates nut locking, realize height stepless regulation, fixer is cooperated with long strip fixed recess by recess screw, can be transversely slid and adjusted position;Anti-skid rubber pad is equipped in cable recess inner wall, adapts multiple path cable and reduces abrasion;Support rod end threaded hole is convenient and firm connection with wall surface or equipment, stainless steel telescopic rod improves corrosion resistance performance.The whole installation is flexible, stable, long in service life, and is suitable for efficient fixing of cable in security monitoring system.
Owner:SHANGHAI CHENGZHEN INFORMATION TECH CO LTD

Rice seedling raising device

The rice seedling raising device comprises a support and a controller, the support comprises a bottom plate and supporting columns perpendicular to the four corners of the bottom plate, a ceiling is arranged at the tops of the four supporting columns, a plurality of seedling raising devices are arranged among the four supporting columns from top to bottom, each seedling raising device comprises a seedling raising plate and a sliding way frame, the seedling raising plates are cavities, and the sliding way frames are arranged in the cavities. A cavity is formed in the seedling raising plate, a seedling raising groove is formed in the seedling raising plate, the bottom of the seedling raising groove extends into the cavity, water permeable holes are formed in the bottom and the side face of the seedling raising groove, a sponge block is embedded in the seedling raising groove, and a strip-shaped hole is formed in the top face of the sponge block. Through optimization and improvement in multiple aspects of multi-layer design, resource recycling, intelligent control, nutrient solution receiving optimization, simple operation and the like, the rice seedling raising efficiency and effect are remarkably improved. The novel rice seedling raising device not only solves the problems and limitation of a traditional seedling raising device, but also provides a more efficient, environment-friendly and intelligent seedling raising solution for rice production.
Owner:ANHUI YUSHUN SEED IND DEV CO LTD

Python script protection tool, method, storage medium and program product

The present invention provides a Python script protection tool, method, storage medium and program product, and relates to the field of Python script protection. The Python script protection tool includes a protector and a Python extension package, wherein the Python extension package includes multiple versions of Python interpreter cores and has the ability to generate multiple versions of code objects; the protector includes a script protection module and a local program protection module, wherein the script protection module is used to protect the script, and the multiple versions of code objects generated by calling the Python interpreter core are carried in the protected script, and the local program protection module is used to generate a runtime library package corresponding to the protected script, and introduce a first file in the runtime library package to search for code objects with matching versions when running the protected script. The protection tool of the present invention not only ensures that the protected script has high security, but also enables the protected script to support cross-version operation.
Owner:BEIJING SENSESHIELD TECH CO LTD

Cable terminal structure

The utility model provides a cable terminal structure. The cable terminal structure comprises a shell, a guide connection assembly, an adapter, a first conductor and a second conductor, a cavity is formed in the shell, and the guide connection assembly, the adapter, the first conductor and the second conductor are all arranged in the cavity of the shell; the first conductor, the second conductor and the guide connection assembly are respectively positioned on three sides of the adapter and are electrically connected with the adapter; wherein the first conductor and the second conductor are detachably connected with the adapter; the shell is provided with a first through hole which is opposite to the first conductor, and the shell is provided with a second through hole which is opposite to the second conductor; the shell is provided with a guide connection hole suitable for inserting a cable joint; the cable connector extends into the cavity of the shell through the guide connection hole, and the cable connector is electrically connected with the adapter through the guide connection assembly. The cable terminal is provided with the two adapters in different directions, so that the cable joint can be connected with different devices at the same time, and the expansibility of the cable terminal can be improved.
Owner:国电博纳(北京)电力设备有限公司

Oil field mechanical arm grabbing 3D visual guidance system based on deep learning

The invention discloses an oil field mechanical arm grabbing 3D visual guidance system based on deep learning. The system comprises an oil field mechanical arm loaded with a motion control system, and a data acquisition module, a data processing module, an initialization calibration module, a target detection module and a grabbing detection module which are in communication connection with the oil field mechanical arm. In oil field operation, when the system initially operates or moves, the initialization calibration module obtains parameter initialization. The data processing module calculates collected images in real time, after it is ensured that the drill rod is static, the images and point cloud data are transmitted to the target detection module to determine the position of an object and then serve as an initial posture estimation result to be transmitted to the grabbing detection module, and finally the result is transmitted to the mechanical arm motion control system for grabbing operation. In conclusion, efficient, intelligent and accurate recognition and grabbing of the drill rod are achieved, new possibility is provided for application of the oil field mechanical arm in complex tasks, and far-reaching influences are generated on oil field automation and intelligent production.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Alarm system and method based on face recognition

The present application discloses an alarm system and method based on face recognition, and relates to the field of alarm technology of face recognition. The present application includes an information management module, a face recognition module, a tailing analysis module and an early warning terminal. By collecting and transmitting faces and personal information of campus personnel to various databases for storing facial feature values ​​and personal information, a face recognition machine identifies a target person, determines whether the target person has access authority, analyzes whether the target person is a blacklisted person, and determines whether a suspicious person has access authority. This solves the limitation problem in the current campus face recognition development feasibility analysis process. When the target person has authority, it checks whether there is a tailer in the video, and sends the tailer's feature value to the face recognition, thus realizing comprehensive and objective analysis of face recognition and providing an early warning function to ensure the safety of various places in the campus.
Owner:HANGZHOU ZHEBIE TECHNOLOGY CO LTD

Unmanned forklift pallet picking method and system based on gravity center correction posture

The invention relates to the technical field of tray detection and positioning, in particular to an unmanned forklift tray picking method and system based on a gravity center correction pose, and the method comprises the steps: S1, obtaining an RGB feature image, defining a tray detection category template, and building a tray pose estimation model; s2, acquiring an acquisition value of a weighing sensor in real time; s3, carrying out final value consistency analysis; s4, carrying out dynamic fluctuation stability analysis; s5, according to the pickup safety coefficient and the dynamic fluctuation stability, analyzing and determining a formal pickup motion plan of the unmanned forklift; s6, according to the moment balance principle, adjusting the position and posture of the gravity center projection of the tray pickup object to the pickup plane coordinate system, and generating the optimal target pickup posture # imgabs0 # of the current tray scene; s7, the unmanned forklift system generates a planning path of the final picking process according to the optimal target picking posture # imgabs1 #, and picking is completed; the gravity center structure stability problem of tray object picking is fully considered, so that the automatic unmanned picking operation requirement is met.
Owner:FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI +1

A digital delivery analysis and management system for coal construction projects

The present invention relates to the technical field of digital delivery of coal construction projects, and specifically discloses a digital delivery analysis and management system for coal construction projects, the system comprising: a mine area division module, a mine explosion-proof monitoring and analysis module, a cloud database, a mine fire prevention monitoring and analysis module and a mine safety delivery analysis module; the present invention constructs a three-dimensional information model of a target mine, and analyzes the explosion-proof performance evaluation index of the target mine and the working accuracy of the fire prevention equipment, so as to judge whether the target mine can be delivered, effectively solving the limitation problems existing in the current delivery safety test at the two levels of explosion-proof and fire prevention, ensuring the safety of construction personnel, reducing the possibility of accidents, ensuring the safe operation of coal construction projects, and at the same time providing a clear direction for the adjustment and improvement of subsequent mine mining projects, and improving the mining efficiency and mining quality of mine mining projects.
Owner:BEIJING LONGRUIHAITUO TECH DEV CO LTD