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970results about How to "Solve the real problem" patented technology

Intelligent power grid fault early warning and diagnosis system

The invention discloses a smart power grid fault early warning and diagnosis system, and relates to the technical field of smart power grids. Comprising a multi-modal data acquisition and fusion module, a deep reinforcement learning early warning module, a fault diagnosis module based on a graph neural network, an adaptive diagnosis module integrated with multi-task learning, an edge calculation and cloud collaboration module and a system test and verification module, and comprises the following steps: step 1, acquiring multi-source data through a power sensor, an intelligent electric meter and a meteorological station; dimension reduction and feature fusion are carried out on the data by using a depth auto-encoder model; 2, importing the collected data into a deep reinforcement learning early warning module, and dynamically adjusting an early warning strategy through interaction with a power grid operation environment; 3, a fault diagnosis module based on the graph neural network analyzes the topological structure of the power grid and identifies a fault position; 4, learning a model and processing a fault type; 5, edge calculation and cloud cooperative work are combined; and 6, testing, verifying and optimizing the model by the system testing and verifying module.
Owner:STATE GRID HEILONGJIANG ELECTRIC POWER COMPANY +1

Large model driven Web task automatic execution method and system

The invention discloses a large-model-driven Web task automatic execution method and system, and relates to the field of artificial intelligence. According to the method, Web page content is perceived and analyzed through a large model, a state-action graph is constructed and maintained, a task sequence library is stored and managed, and semantic matching and automatic task execution are carried out. According to the method, the problems of high manual intervention requirement and low task processing efficiency in traditional Web task automation are solved, and the technical effects of remarkably improving the automation level, enhancing the intelligent decision-making capability, perfecting a knowledge memory mechanism and efficiently executing are achieved.
Owner:INST OF SOFTWARE - CHINESE ACAD OF SCI

Self-adaptive music synthesis sleep aiding method and system based on physiological feedback

The invention discloses a self-adaptive music synthesis sleep aiding method and system based on physiological feedback. The method comprises the following steps: acquiring physiological data of a user; preprocessing the physiological data; evaluating the sleep state of the user based on the preprocessed physiological data; defining a music parameter space according to the sleep state; optimizing music parameters based on the sleep state and the music parameter space; generating and playing music according to the optimized music parameters; while music is played, physiological reactions of the user are continuously monitored, music parameters are adjusted in real time based on the physiological reactions, and feedback circulation is formed; analyzing a long-term sleep pattern of the user based on the data obtained in the feedback loop; according to the long-term sleep mode, updating a music parameter space and an optimization strategy; security monitoring is executed, and intervention is carried out when an abnormal condition is detected; according to the invention, a plurality of key indexes such as sleep time, deep sleep proportion, sleep quality and the like are obviously improved.
Owner:COSONIC INTELLIGENT TECH CO LTD

Micro-pressure oxygen cabin control system and control method thereof

The invention discloses a micro-pressure oxygen cabin control system and a control method thereof, and relates to the technical field of medical treatment, and the system comprises an oxygen cabin operation monitoring module which is used for monitoring and obtaining information data of a micro-pressure oxygen cabin in real time during working, comprise the running state of the micro-pressure oxygen cabin, the air pressure value in the oxygen cabin, the oxygen concentration in the oxygen cabin and the vital sign state of a user in the oxygen cabin; and a data processing and analyzing module. According to the micro-pressure oxygen cabin control system and the control method thereof, a data processing and analysis module, especially a coupling relation analysis unit, is introduced, an oxygen and pressure dynamic change model is constructed by utilizing an algorithm, the safety of equipment and a user is protected, and the safety of the equipment and the user is improved through an intelligent and automatic control means. The problems of an existing micro-pressure oxygen cabin are effectively solved, the treatment effect and the use safety are improved, and the more advanced and reliable micro-pressure oxygen cabin control system and the control method thereof are provided for the medical field.
Owner:SHANGHAI ANJINGHUI IND DEVELOPMENT CO LTD

Energy-saving optimization control method and system for air compressor and readable storage medium

The invention provides an energy-saving optimization control method and system for an air compressor and a readable storage medium. The method comprises the steps that operation parameters of the air compressor and the current air use requirement of an air use end are obtained in real time; the current compression capacity of the air compressor is obtained through analysis according to the operation parameters; key operation parameters of the air compressor are dynamically adjusted according to the current air consumption demand and the current compression capacity so that the current compression capacity can be matched with the current air consumption demand, and the key operation parameters comprise the motor rotating speed, the air compressor load rate and the motor starting and stopping time. According to the energy-saving optimization control method for the air compressor, on the basis of real-time monitoring and analysis of the operation parameters of the air compressor and the current air consumption demand of the air consumption end, the key operation parameters of the air compressor are dynamically adjusted, so that the air production capacity of the air compressor is accurately matched with the actual air consumption demand, energy waste is avoided, and the energy conservation and emission reduction effects are achieved. Meanwhile, the stable operation and the service life of the equipment are considered, and the overall energy-saving optimization target is achieved.
Owner:BEIJING GUODIAN POWER CO LTD SHANGWAN THERMAL POWER PLANT

Counter electromotive force observer, high-power permanent magnet synchronous motor control device and high-power permanent magnet synchronous motor control method

The invention discloses a back electromotive force observer and a high-power permanent magnet synchronous motor control device and method. The invention aims to solve the problems of large model discrete error and inaccurate and even divergent back electromotive force observer result when a high-power permanent magnet synchronous motor works in a low-carrier-ratio working condition caused by low switching frequency and the motor operates in a medium-speed region and a high-speed region. A permanent magnet synchronous motor back electromotive force observer coefficient matrix is improved by adopting a Pade approximation method, a high-order discrete model is established, and meanwhile, aiming at the problem of inaccurate position observation caused by a mean value error existing after sampling current calculation, a compensation link is designed to reduce a position observation error, so that the accuracy of position observation is improved. Through the measures, the stable operation of the high-power permanent magnet synchronous motor in the full-speed domain range is ensured.
Owner:CHINA UNIV OF MINING & TECH

Grid-connected power allocation technology and device for power generation gas turbine

The invention belongs to the technical field of power generation, and discloses a power generation gas turbine grid-connected power allocation technology and device which comprises a power detection module, a data processing module and a power regulation and control module. And the output power of the gas turbine is detected in real time through the power detection module, so that the real-time performance of power allocation is ensured. The power detection has the advantages of single current detection, simplicity, linearity and high efficiency. And accuracy: through the data processing module and a preset algorithm, a power regulation and control instruction can be accurately calculated, and accurate allocation of the grid-connected power of the gas turbine is realized. The power allocation effect is that any proportion can be adopted for adjustment, and the power error is reduced; and stability: the output power of the gas turbine is regulated and controlled through the power regulation and control module, so that the stability of the power grid can be effectively improved. According to the power allocation effect, the problem that power oscillates between the two gas turbines does not occur.
Owner:NAVAL UNIV OF ENG PLA

Coal face personnel falling detection method based on multi-sensor fusion

The invention belongs to the technical field of coal mine safety production, discloses a coal face personnel falling detection method based on multi-sensor fusion, and aims to solve the problems that in a complex coal mining environment scene, the accuracy and reliability of personnel falling detection by using a single sensor are poor, and the detection precision is low. And a short-distance and long-distance multi-sensor data fusion detection method is lacked. According to the coal face personnel falling detection method based on multi-sensor fusion, through the processes of millimeter wave radar feature extraction, laser radar feature extraction, radio frequency device feature extraction, feature vector splicing and prediction and the like, whether personnel on the coal face fall or not can be quickly and accurately judged; according to the invention, high-efficiency monitoring and early warning of the personnel safety state are realized, the life safety of operators is effectively guaranteed, the safety and intelligent level of coal mining operation are greatly improved, and the system has significant practical value and wide application prospect.
Owner:SHANDONG UNIV OF SCI & TECH

Reuse-based maintainability modeling, allocation and prediction method

The invention discloses a maintainability modeling, distribution and prediction method based on reuse. The method comprises the following steps: establishing a hierarchical structure of a reuse carrier rocket; constructing a judgment matrix of the scheme layer; weight vectors of the criterion layer and the scheme layer are calculated, and consistency check of the judgment matrix is carried out; calculating a combined weight vector of each scheme in the scheme layer according to the weight vectors of the criterion layer and the scheme layer; obtaining the maintenance degree of each scheme in the scheme layer according to the combined weight vector; determining maintainability prediction parameters and a reference unit; calculating the average repair time of the subsystems; calculating the average restoration time interval of the whole rocket and the uncertainty of the average restoration time of the whole rocket; and predicting a maintenance degree index of the target layer. The method solves the problems of lack of distribution data, difficult prediction process, difficult prediction result quantification and uncertainty and the like of the reusing carrier rocket maintainability index under the background of minimum subsamples.
Owner:BEIJING INST OF ASTRONAUTICAL SYST ENG

Butterfly planar transformer with twisted primary side and anti-coupling secondary side and switching power supply

The invention belongs to the technical field of high-frequency planar transformers, and relates to a butterfly-shaped planar transformer with a twisted primary side and an anti-coupling secondary side and a switching power supply. The winding comprises a primary winding and a secondary winding; the magnetic core is of a four-core-column butterfly-shaped structure, and the secondary winding and the primary winding respectively surround two core columns in the center of the magnetic core; the winding directions of the secondary winding current around the two middle columns of the magnetic core are the same; the primary winding is positively coupled with one secondary winding and reversely coupled with the other secondary winding; according to the two-core-column matrix type transformer, the problem that magnetic saturation is caused by the magnetic flux of direct-current magnetic bias at the connecting part of the transformer is solved, so that the two-core-column matrix type transformer can be applied to a switching power supply with direct-current magnetic bias and a power electronic converter; compared with a traditional scheme, the efficiency and the power density of the transformer are remarkably improved.
Owner:XI AN JIAOTONG UNIV

Micro-nano high-activity powder feeding, grinding and discharging integrated device

The utility model discloses a micro-nano high-activity powder feeding, grinding and discharging integrated device, which relates to the technical field of processing equipment and comprises a nitrogen making machine, a grinding bin, an anti-explosion vacuum pump, a remote automatic control cabinet, a glove box, a vacuum packaging machine and an anti-explosion air compressor. According to the improved feeding, grinding and discharging integrated device, matched nitrogen making equipment is adopted for supplementing nitrogen to a grinding bin on line in real time, the oxygen content is monitored on line through an oxygen content tester capable of setting an alarm value in a system, and once the oxygen content exceeds the set alarm value, a chain protection function is triggered; the vibration grinding device can be stopped for protection until nitrogen is continuously introduced into the nitrogen making equipment to enable the oxygen content value in the grinding bin to be below an alarm value, and the vibration grinding device can be started to run, so that the vibration grinding production device can effectively ensure that the running oxygen content in the system meets the safety operation requirement; the situation that the oxygen content exceeds the standard due to untight sealing of the system is avoided, and safe operation of the system under the low oxygen content is effectively guaranteed.
Owner:ANSTEEL GROUP ALUMINIUM POWDER CO LTD

Socket and spigot type metal elbow

The utility model discloses a socket type metal elbow, which belongs to the field of hardware component ornaments, and is characterized in that the socket type metal elbow comprises an elbow main body structure which is an arc-shaped circular pipe section and an inner socket type straight pipe section structure, the outer socket type straight pipe section structure and the inner socket type straight pipe section structure are fixedly arranged at one end of the elbow main body structure in an integral forming mode, and the outer socket type straight pipe section structure is fixedly arranged at the other end of the elbow main body structure. The outer socket type straight pipe section structure is overlapped and fixedly arranged at the other end of the elbow main body structure in an integral forming manner, and the diameter of the outer wall of the outer socket type straight pipe section structure is greater than or equal to that of the outer wall of a corresponding port of the elbow main body structure; in-pipe center lines of the inner socket type straight pipe section structure and the outer socket type straight pipe section structure are perpendicular to the sections of the corresponding ports of the elbow main body structure respectively and pass through the circle centers of the sections of the corresponding ports of the elbow main body structure respectively. According to the utility model, the socket and spigot structure is adopted, so that the operation is more convenient and simpler, the structure is attractive and seamless, the standardization is achieved, the labor intensity and the difficulty are greatly reduced, the working time is saved, and the working efficiency is improved.
Owner:SHAANXI YINGHUA IND CO LTD

Automatic chemical adding device of heat supply system

The utility model relates to an automatic medicament adding device for a heat supply system, which comprises a controller, a pH (Potential of Hydrogen) online monitoring sensor, a medicament adding tank and a medicament mixing tank, and a first electric ball valve and a third electric ball valve are arranged on a pipeline between the medicament adding tank and the medicament mixing tank; a secondary water supply pipeline is connected between the first electric ball valve and the third electric ball valve through a water inlet pipe, a second electric ball valve is installed on the water inlet pipe, the medicine mixing tank is connected to a secondary water return pipeline through a medicine outlet pipe, and a fourth electric ball valve is installed on the medicine outlet pipe. A stirring impeller is mounted in the mixing medicine tank and is connected to a motor through an impeller connecting rod; the ph online monitoring sensor is installed on a secondary water supply pipeline, and the controller is electrically connected with the ph online monitoring sensor, the first electric ball valve, the third electric ball valve, the second electric ball valve, the fourth electric ball valve and the motor. The water treatment effect is improved, and the equipment investment and the operation and maintenance cost are reduced.
Owner:TIANJIN THERMOELECTRIC CO LTD

Slope ramp hard rock tunnel core soil reserved excavation construction method

The invention discloses a slope ramp hard rock tunnel core soil reserved excavation construction method. The method comprises the following steps that S1, a slope tunnel is divided into N sections in the length direction of the slope tunnel; s2, blasting the tunnel face of the upper step of the first section to reserve hard rock core soil; s2, an upper step is supported; s3, the upper step of the second section continues to be excavated, and meanwhile hard rock core soil is reserved; s4, hard rock core soil and a left middle step are excavated and supported, and a constructor stands on a left lower step for construction operation; s5, excavating a right middle step and supporting; s6, repeating the steps S2-S4 until all the upper steps and the middle steps on the slope tunnel are excavated and supported; s7, a left lower step is excavated and supported; s8, a right lower step is excavated and supported; according to the subway slope section hard rock tunnel construction method, blasting is controlled through shaping, a core rock platform is reserved on an upper platform of a subsurface excavation tunnel, and the problem of a construction operation platform is solved.
Owner:CCCC SECOND HARBOR ENGINEERING CO LTD +2

3D ultra-high performance concrete printing device and printing method thereof

The invention belongs to the technical field of 3D printing, and particularly relates to a 3D ultra-high performance concrete printing device and a printing method thereof. When an existing device is used, part of slurry remains at a nozzle, and when a spray head moves to a next position for printing, the part of residual slurry falls to other printing areas in the moving process, so that the overall printing effect of works is influenced, and the printing efficiency is reduced; comprising a printing nozzle, a conveying pipeline is arranged on the printing nozzle, and the conveying pipeline penetrates through a linkage support to be connected with a storage tank on a printer body; the linkage support is connected with the printing nozzle and a printing assembly on the printer body and used for installing the printing nozzle on the printing assembly. The linkage support is provided with a rotation position flow blocking mechanism. And through the rotation flow blocking mechanism, residual concrete slurry falls into the movement blocking half box, the overall effect of work printing is prevented from being affected, and therefore the 3D printing efficiency is improved, and the success rate of 3D printing is increased.
Owner:YANGZHOU POLYTECHNIC INST +1

Air-space-ground integrated network cooperative computing service optimization method based on adversarial learning

ActiveCN119584167AThe total delay is smallEfficient and accurate solutionNetwork topologiesBiological modelsTotal delayCommunications system
The invention discloses an air-space-ground integrated network cooperative computing service optimization method based on adversarial learning, and belongs to the technical field of artificial intelligence and wireless communication in an air-space-ground integrated network. The method comprises the following steps: (1) in an edge mobile computing communication system in the sky-ground integrated network, proposing a plurality of allocation modes of computing tasks; (2) obtaining total time delay and energy consumption experienced by the wireless equipment in different distribution modes; (3) proposing an objective function and a constraint condition, and forming an optimization problem based on the objective function and the constraint condition; and (4) finding out an optimal result through a plurality of iterations. According to the invention, the total delay of the system is minimized through the space-air-ground integrated network cooperative computing service optimization method; the genetic algorithm driven by the generative adversarial network is provided, the nonlinear high-complexity problem can be solved more efficiently and accurately, the generative adversarial network can learn features and distribution in the data, the generated solution is closer to the actual situation, and the actual problem can be better solved.
Owner:NANJING UNIV OF POSTS & TELECOMM

Ratio type core-shell molecularly imprinted quantum dot fluorescence encoding microsphere, preparation method and application

The invention belongs to the technical field of molecular imprinting fluorescence sensing, and discloses a ratio type core-shell molecular imprinting quantum dot fluorescence encoding microsphere, a preparation method and application. The preparation method comprises the following steps: firstly, mixing a metal organic framework material ZIF-8 with green quantum dots for primary coding to obtain a carrier ZIF-8 green quantum dot fluorescence coding material, synthesizing a norfloxacin molecular imprinting shell layer on the surface of the carrier, and then mixing with red quantum dots for secondary coding to obtain the ratio type core-shell molecular imprinting quantum dot fluorescence coding microspheres. And by combining with an organic solvent, the constructed related sensor is used for rapid detection of norfloxacin. The method disclosed by the invention has the advantages that the core-shell structure can avoid interference of two quantum dots on fluorescence properties caused by contact, and the existence of the ZIF-8 core material can increase the specific surface area of the encoding microspheres, accelerate the mass transfer rate, greatly shorten the detection time and improve the detection accuracy. And a new solution is provided for rapid quantitative detection of norfloxacin in a food matrix.
Owner:QILU UNIVERSITY OF TECHNOLOGY (SHANDONG ACADEMY OF SCIENCES)

Multi-needle type electro-acupuncture device

The invention provides a multi-needle type electro-acupuncture device, which belongs to the technical field of electro-acupuncture, and the core of the multi-needle type electro-acupuncture device is a flexible circuit board which is made of a medical-grade material and can be attached to the surface of a human body. The circuit board internally comprises a multi-layer circuit structure, pinholes are formed in the surface according to acupoint distribution, and stainless steel or titanium alloy electric pricking needles are arranged. Independent electrode assemblies on the inner side and the outer side are arranged at each pinhole and connected with a control chip through a multi-channel digital signal processing circuit. A plurality of current modulation modules are integrated in the system, and the current frequency, intensity and pulse width can be adjusted. The device is fixed on the surface of a human body through a medical magic tape or an adhesive tape for point acupuncture treatment, so that the problems of an existing multi-needle type electro-acupuncture device are effectively solved, a more intelligent, personalized and reliable electro-acupuncture treatment scheme can be provided, neuralgia treatment, muscle relaxation, meridian dredging, acupoint stimulation and the like are supported, and the treatment effect is good. And flexible switching can be realized according to specific conditions of patients.
Owner:QINGDAO MUNICIPAL HOSPITAL

Multistage continuous lithium precipitation reaction system for lithium precipitation process in lithium carbonate production and lithium precipitation method

The invention relates to the technical field of lithium carbonate production, and provides a lithium carbonate production lithium precipitation process multistage continuous lithium precipitation reaction system and a lithium precipitation method. The lithium precipitation reaction system comprises a finished liquid tank, a primary lithium precipitation kettle, a sodium carbonate kettle and a secondary lithium precipitation kettle; adding the solution in the sodium carbonate kettle into the primary lithium precipitation kettle from the bottom of the primary lithium precipitation kettle to a specified liquid level, and then adding the solution in the liquid tank into the primary lithium precipitation kettle from the top of the primary lithium precipitation kettle; the reaction completion material overflows into a secondary lithium precipitation kettle from an overflow port of the primary lithium precipitation kettle; each of the primary lithium precipitation kettle and the secondary lithium precipitation kettle comprises a shell, a cover body covering the shell, a distributor mounted between the shell and the cover body and a stirring assembly mounted on the cover body; when the solution in the finished solution tank is added into the primary lithium precipitation kettle from the kettle top of the primary lithium precipitation kettle, starting a stirring assembly; the stirring assembly comprises a driving assembly arranged on the cover body, a first stirring assembly driven by the driving assembly and a second stirring assembly driven by the driving assembly.
Owner:山东欧迈机械股份有限公司

Bioplastic as well as preparation method and application thereof

The invention belongs to the technical field of bioplastics, and particularly relates to a bioplastic as well as a preparation method and application thereof. The bioplastic is prepared from the following raw materials in parts by mass: 10-70 parts of cellulose, 1-10 parts of a flexibilizer, 1-40 parts of a first plasticizer, 1-2 parts of a second plasticizer, 0.3-15 parts of a lubricant, 1-10 parts of an inorganic filler, 0.1-2 parts of starch and 0.1-5 parts of an auxiliary agent. Natural substances of cellulose are fully utilized, the strength and impact resistance of starch are improved, the starch has the physical property suitable for being used as a plastic substitute raw material, and plastic degradation can be accelerated by simultaneous generation of biodegradation and photodegradation while the manufacturing cost is reduced, so that the problem of plastic waste is solved.
Owner:JIANGMEN GREENFORSI ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Wireless call-for-help communication system for smart ward

The invention relates to the technical field of nursing personnel distribution, in particular to a wireless call-for-help communication system for a smart ward. When a help calling signal is received, the system obtains all related data information including nursing experience, position information and the like of a nurse. Calculating a first matching factor (based on nursing experience) for each nurse and each patient by analyzing historical nursing data; meanwhile, a second matching factor (based on the position relation) is calculated according to the movement track of the nurse; the system also evaluates the accumulated workload and the future predicted workload of the nurse to reflect the busy degree and the fatigue degree of the nurse. In the help calling matching module, the nursing experience, the position relation, the workload and the task of the day of the nurse are comprehensively considered, and the target nurse most matched with the patient to be rescued is screened. According to the method, multiple factors are combined, more flexible and more accurate screening is achieved, it is ensured that the selected nurse can reach the position of the patient as soon as possible, the problem is effectively solved, and the efficiency and quality of medical care are improved.
Owner:HUNAN SHANGYIKANG MEDICAL TECH CO LTD

Battery pack continuous arrangement detection device

The invention relates to the technical field of battery detection, and discloses a battery pack continuous arrangement detection device which comprises a conveying assembly, the conveying assembly comprises a vertical plate, a conveying belt, a first baffle, a second baffle and a third baffle are installed in the middle of the vertical plate, and a quantitative rotating shaft is connected between the first baffle and the second baffle in a penetrating mode. A clamping detection device, a lifting driving assembly and a lane changing assembly are arranged above the conveying belt, the clamping detection device comprises a mounting groove formed in the second baffle, a clamping detection block is slidably connected into the mounting groove, one end of the clamping detection block is connected with a detection instrument through a cable, and the other end of the clamping detection block is connected with a conveying belt. The scheme has the beneficial effect of taking out the battery of which the positive electrode and the negative electrode are wrongly placed in the transportation process, and the problem of errors caused by manual detection of the battery is solved.
Owner:JIANGSU HUABO POWER SUPPLY CO LTD

Method for improving pressure fluctuation control process of oxygen pipe network

The invention relates to the technical field of steelmaking production optimization, and discloses a method for improving an oxygen pipe network pressure fluctuation control process, which comprises the following steps: step 1, actually measured data support: establishing an actually measured data acquisition system, and verifying and correcting a simulation result by using actually measured data as a basis for optimization design; step 2, real-time monitoring and control accuracy integration: a, monitoring equipment maintenance: regularly maintaining the monitoring equipment, and optimizing a monitoring algorithm; b, a control system is improved, and pipe network pressure fluctuation is prevented from being controlled; and step 3, integration of maintenance timeliness and risk management: a, establishing a regular maintenance plan to prevent the occurrence of problems. By establishing an actual measurement data acquisition system and verifying and correcting a simulation result, the accuracy and reliability of model establishment are ensured, and accurate actual measurement data support and real-time monitoring and control accuracy contribute to optimizing pipe network operation, improving operation efficiency and stability and reducing risks of energy waste and production interruption.
Owner:QINGDAO SPECIAL STEEL CO LTD

MOSCAP device based on p-dipole material Ga2O3 and preparation method thereof

The invention discloses an MOSCAP device based on a p-dipole material Ga2O3 and a preparation method of the MOSCAP device. The method comprises the following steps: firstly, growing a SiO2 interface layer (IL) on a p-Si substrate through a thermal oxidation method; ga2O3 with different cycle numbers is grown on the IL layer through an atomic layer deposition technology, and an HfO2 film is grown in situ. And then, rapidly annealing the device to repair oxide defects between the dielectric layers. And finally, preparing a patterned W electrode, thereby obtaining the MOSCAP device. According to the invention, after the Ga2O3 dipole layer is added, the MOSCAP device shows a relatively low hysteresis curve, only an extremely low equivalent oxide thickness (EOT) is increased, and meanwhile, remarkable VFB forward adjustment is realized. The invention proves that Ga2O3 is a novel p-dipole material with potential, and shows a wide application prospect in multi-threshold technical development of advanced process nodes.
Owner:FUDAN UNIVERSITY

Discharging device with adjustable liquid material interface height

ActiveCN222555640Uflexible adjustmentmeet different requirementsLarge containersFluid phaseStraight tube
The utility model discloses a discharging device with an adjustable liquid material interface height. A liquid phase discharging opening in the bottom of an upstream container is sequentially connected with a left straight pipe, a left rotating connector, an inverted-U-shaped pipe, a right rotating connector and a right straight pipe with a flange through pipelines and then is connected with a feeding opening of a downstream container. The other end of the vacuum breaking valve is connected with a right straight pipe with a flange; according to the principle that the liquid pressure intensity on the two sides is equal, rho2 (L2-m) + mrho1 = L1 rho1, the liquid level height of an upstream container of L2, the interface height of an upstream container of m, the operation height of an inverted U-shaped pipe of L1, the heavy phase density of rho1 and the light phase density of rho2 can be obtained; other data except m are known, the height of L1 can be adjusted by rotating the inverted-U-shaped pipe around the center line of the two rotary joints, and therefore m can be controlled, and the control over the upstream container interface of the device is achieved. The device is convenient and efficient to operate, flexible and rapid in interface height adjustment, wide in application range, energy-saving and environment-friendly.
Owner:LONGYAN ZHUOYUE NEW ENERGY CO LTD

Automobile renting and selling information processing method, system and device

The invention discloses an automobile renting and selling information processing method. The method comprises the following steps that S1, automobile renting and selling information is collected; s2, information processing; s3, information analysis; s4, recommending automobile renting and selling options; s5, pushing automobile renting and selling information; s6, feedback information is collected; s7, performing credit evaluation; s8, payment and contract signing; s9, performing after-sales service; the invention further discloses an automobile renting and selling information processing system which comprises a data acquisition module, a data cleaning module, a data analysis module, an information matching module, an information pushing module, a user feedback module, a credit evaluation module, an online transaction module and an after-sales support module. The invention also discloses an automobile renting and selling information processing device, which comprises a processor, a memory and a network interface, according to the invention, the problem of information asymmetry can be effectively solved, the information processing efficiency and accuracy are improved, better automobile renting and selling information service is provided for users, and the security of transactions and the support of after-sales service are enhanced.
Owner:GUOKEXING (SUZHOU) TECH CO LTD

Hook bar feeding and welding device for tower column hook bar preparation equipment

The utility model provides a hook bar feeding and welding device for tower column hook bar preparation equipment, reinforcing mesh frame preparation equipment comprises a first operation platform and a second operation platform, a jig frame is arranged between the first operation platform and the second operation platform, an automatic feeding and welding unit is arranged on the first operation platform, and a hook bar feeding and welding unit is arranged on the second operation platform. The automatic feeding and welding unit is connected with a lifting device on the first working platform, a drag hook rib material frame is arranged on one side of the automatic feeding and welding unit, a multi-degree-of-freedom first mechanical arm is arranged on the automatic feeding and welding unit, and a penetrating and feeding mechanism is arranged on the first mechanical arm; power assisting equipment is additionally arranged, and the load pressure directly acting on the mechanical arm is reduced. The L-shaped drag hook rib feeding and clamping equipment is subjected to reinforced design, and a clamping mechanism is optimized and can be adjusted in multiple directions.
Owner:CCCC SECOND HARBOR ENGINEERING CO LTD

Fault-tolerant controller design method for robot system

The invention discloses a fault-tolerant controller design method for a robot system, and relates to the field of precise control and fault processing of robot systems. The method comprises the following steps: firstly, considering a partial failure fault of an actuator, model uncertainty and external interference, establishing a robot dynamics open-loop system, then introducing actuator input saturation nonlinearity to enable a control input vector to better conform to the constraint of an actual physical system, and then proposing an improved preset performance function with better convergence performance. Then, designing a terminal sliding mode surface based on the terminal sliding mode framework; and finally, designing a fixed-time preset performance fault-tolerant controller based on the sliding mode surface. According to the method, the actuator part failure fault of the robot system can be efficiently processed, meanwhile, the modeling uncertainty of the robot system and the robustness of external interference are guaranteed, the dynamic response capability and the steady-state control precision of the robot system are effectively improved, the safety and the reliability of the robot system are improved, and the actual service life of the robot system is prolonged.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI

Automobile bumper support buckle insertion and extraction force testing device

ActiveCN222166378UImprove the efficiency of fixing to car bumperssolve the real problemVehicle testingInternal combustion piston enginesGear wheel
The utility model relates to an automobile bumper support buckle insertion and extraction force testing device, which belongs to the technical field of automobile bumpers and comprises a connecting frame, clamping plates are arranged at the left end and the right end of the back side of the connecting frame, and an adjusting mechanism used for adjusting the extension length of the two clamping plates is arranged at the center between the opposite sides of the inner front wall and the inner back wall of the connecting frame. A hook is fixed to the middle of the lower surface of the connecting frame, a protection box is arranged on the lower side of the hook, and positioning mechanisms used for improving the stability of the electric push rod are arranged at the bottoms of the left side and the right side of the protection box correspondingly. According to the automobile bumper support buckle insertion and extraction force testing device, an adjusting mechanism is arranged in an inner cavity of a connecting frame, a rotating rod is rotated to enable a rotating gear to rotate, and then a toothed plate moves to drive a movable frame and a mounting plate to move, so that the extending length of two clamping plates can be adjusted, tools are not needed, and the testing efficiency is improved. And the efficiency of fixing the clamping plate on the automobile bumper is greatly improved.
Owner:SHIYAN LONGJUN IND & TRADE CO LTD

Abnormality processing method, exception processing model training method, electronic equipment, computer storage medium and program product

InactiveCN119150035Aeffective handling of recommendationsHandle suggestions objectivelyBiological modelsDomain modelEvent data
The embodiment of the invention provides an exception handling method, an exception handling model training method, electronic equipment, a computer storage medium and a program product, and the exception handling method comprises the steps: receiving exception event description information; acquiring event data and an exception handling strategy matched with the exception event description information; generating prompt information based on the abnormal event description information, the event data and the exception handling strategy; the prompt information is sent to the abnormal event description information, generative processing is conducted on the prompt information through a generative domain model, so that processing suggestions for the abnormal event indicated by the abnormal event description information are obtained, and the generative domain model is a model obtained through training based on a generative basic model. According to the embodiment of the invention, the generative domain model can generate the processing suggestions which fully meet the actual requirements in the corresponding fields and service scenes and solve the actual problems, and the user experience is improved.
Owner:ALIBABA DAMO (HANGZHOU) TECH CO LTD