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Flowable-based complex process high-precision automation control method and device
The embodiment of the application provides a kind of based on Flowable's complex process high-precision automation control method and device, belongs to industrial automation control technical field.The method comprises the following steps: receiving process feedback data and action execution feedback in running process, form process running cache;When detecting updated BPMN process file, construct process state mirror image;Determine target migration position, and migrate current process flow instance to target migration position, obtain updated process flow instance;Get the feedback data required for process condition judgment, execute process condition judgment, and generate driving action instruction.The scheme realizes the accurate migration of instance under the hot update of Flowable process through process state mirror image, and selects multi-source feedback data through time credible window, reduces the process judgment deviation caused by process migration misplacement and feedback time sequence inconsistency, improves the stability and reliability of complex process continuous control.
Owner:HUNAN TONGHENG INFORMATION TECHNOLOGY CO LTD
Aircraft automatic test system based on LabVIEW
PendingCN121858425AEasy to transplantEasy to updateError detection/correctionTotal factory controlTestwareOperational system
The invention provides an aircraft automatic test system based on LabVIEW. The aircraft automatic test system comprises a platform layer, a module layer, a scheduling layer and an interface layer, the platform layer is used for providing an operating system function interface, a hardware driving interface, a mathematical function library and a multi-thread library for the upper layer, and the module layer is used for defining a communication protocol with each test single-machine device of the aircraft, realizing module software for program control of each device, and realizing module software such as file processing and data analysis interfaces. The scheduling layer is used for starting module software in a multi-thread mode, loading a test file and responding to a user event of an upper layer to schedule the module software, and the interface layer is used for interacting with a user, generating the user event from an operation instruction of the user, transmitting the user event to the scheduling layer and displaying the execution progress of a test task. The modularized design mode facilitates transplantation and updating of the test software, the development complexity of the aircraft test software can be reduced, and the software design efficiency is improved.
Owner:SHANGHAI INST OF ELECTROMECHANICAL ENG
Adaptive detection method for multi-variable dc fault arc based on similarity measure and transfer learning
ActiveCN116338348BGuaranteed uptimeImprove versatilityTesting dielectric strengthFault location by conductor typesAlgorithmEngineering
The application discloses a kind of multi-variable DC fault arc adaptive detection method based on similarity measure and transfer learning, to the system output current of different time period applies wavelet packet decomposition and coefficient reconstruction processing after extraction feature, and input to state identification model to carry out multi-period fault arc judgment, to current working condition through machine learning evaluation feature similarity measure value D and model output probability distribution P joint distribution mode, according to this, the extracted feature is distinguished into unidentifiable working condition type data and identifiable working condition type data, using field adaptive strategy to the simplest feature group of unidentifiable working condition type data carries out transfer learning, to update state identification model, to realize real-time accurate detection of DC fault arc under complex and variable working condition in this way.
Owner:XIAN UNIV OF TECH
Anti-counterfeiting system with URL (Uniform Resource Locator) link capable of dynamically changing
ActiveCN224203704UPlay the role of waterproofEasy to updateRecord carriers used with machinesButton batteryElectrical battery
The utility model relates to the technical field of anti-counterfeiting, in particular to an anti-counterfeiting system with a dynamically changeable URL (Uniform Resource Locator) link, which is characterized in that a transparent plastic waterproof film is fixedly arranged on the inner side of the top of an outer nesting sleeve, a mounting component is arranged on the inner side of the outer nesting sleeve, a limiting groove is fixedly formed in the inner side of the outer nesting sleeve, and the mounting component is fixedly connected with the limiting groove. The inner side of the mounting groove is used for mounting an anti-counterfeiting mark, the arrangement of the transparent plastic waterproof film plays a waterproof role on the anti-counterfeiting mark, when a product is upgraded and the anti-counterfeiting mark needs to be updated, the first synchronous belt wheel can be pushed to enable the second synchronous belt to slide outwards along the first L-shaped sliding frame and the second L-shaped sliding frame, and then the second synchronous belt wheel is pushed to slide outwards along the first L-shaped sliding frame and the second L-shaped sliding frame. The first synchronous belt wheel can be pushed to drive the mounting groove to slide outwards, the anti-counterfeiting mark in the mounting groove can be conveniently updated, after updating, the first synchronous belt wheel can be pushed again, the mounting groove is reset, the button battery can supply power to the LED lamp, and the anti-counterfeiting mark in the mounting groove can be conveniently scanned through the transparent plastic waterproof film.
Owner:SHENZHEN CARD SMART TECH CO LTD
A plating reinforced hanger
This application relates to an electroplated reinforced hanger, comprising a main shaft and multiple annular bases vertically distributed along the main shaft. Multiple hook assemblies are arranged around the annular bases. Each hook assembly includes a support rod, an arc-shaped elastic element, and an S-shaped elastic element. The arc-shaped and S-shaped elastic elements are connected to the support rod, with the arc-shaped elastic element positioned above the S-shaped elastic element. The arc-shaped elastic element is configured to abut against the inner wall of the cylindrical material through inward radial elastic deformation, while the S-shaped elastic element is configured to bend upward and abut against the outer wall of the cylindrical material through outward radial elastic deformation. By incorporating the arc-shaped and S-shaped elastic elements, the arc-shaped elastic element abuts against the inner wall of the material with its toughness, while the S-shaped elastic element undergoes outward radial elastic deformation. Through bidirectional elastic clamping, the cylindrical material can be firmly fixed and will not fail due to slight differences in its diameter, effectively preventing the risk of detachment under severe liquid flow impact.
Owner:YUYAO XIONGCHENG SURFACE TREATMENT TECHNOLOGY CO LTD
Zigbee unvarnished transmission module
ActiveCN224154217Uquick installationquick releaseNetwork topologiesTransmissionComputer hardwareBolt connection
Owner:SHENZHEN XINYI INFORMATION TECH CO LTD
A modular medical intelligent agent construction method and system
ActiveCN121034646Bgood choiceEasy to updateMedical simulationMedical data miningData streamSoftware engineering
This invention relates to a modular medical intelligent agent construction method and system. By integrating intelligent agent models through modular design, it achieves intelligent medical assistance. The method includes: searching a vector database based on vector groups, vector groups, and weight values to obtain first and second text fragments; inputting the first and second text fragments into a reordering model to extract the tK most relevant partial fragments; and integrating the tK partial fragments with user questions using a template to form a prompt word input large language model. This invention adopts a modular construction method based on text data flow, which significantly improves the relevance and accuracy of intelligent agent conversations, facilitates the selection, replacement, and upgrading of intelligent agents, has strong compatibility, and enables customized system construction for users, providing a new solution for personalized intelligent medical assistance.
Owner:CAPITAL UNIVERSITY OF MEDICAL SCIENCES
A system and method for aircraft health management
ActiveCN121350135BEnsure safe flightGuarantee the safety of lifeDatabase management systemsDatabase distribution/replicationMonitoring siteAircraft safety
This invention relates to the field of aircraft health management technology, and discloses a system and method for implementing aircraft health management. The method collects health data from various monitoring points on the aircraft and status information from various ground processing nodes; then, based on this data and information, it processes the data to obtain target monitoring point clusters for each ground processing node; next, it preprocesses and configures the health data sent by the target monitoring point cluster, and then aggregates the cluster health data from each ground processing node and uploads it to a health database storage interface; finally, it synchronously obtains and analyzes the operational data from each storage interface through the health database storage interface, and performs distributed storage management of the cluster health data. This method can provide a scientific basis for aircraft maintenance, effectively improve aircraft safety, reliability, and operational efficiency, and reduce operating costs, thus having significant application value in the field of aircraft health management.
Owner:SHENYANG SHENLAN AVIATION TECH +1
Method for extracting sturgeon oil with skin repair function
ActiveCN119529936BHas skin repair functionHave synthesisCosmetic preparationsToilet preparationsFish oilSkin repair
The application discloses an extraction method of sturgeon oil with skin repair function, which comprises the following steps: S1, preparation of crude fish oil of fish fat; S2, preparation of crude fish oil of fish liver; S3, preparation of crude fish oil of fish skin; S4, degumming and deacidification; and S5, refining. The fish oil extracted from different parts of sturgeon is mixed according to a specific proportion, the fish fat fish oil, the fish liver oil and the fish skin oil are mixed, and three kinds of functional components are added in the extraction process respectively, i.e. dihydroquercetin (providing antioxidant protection), phosphatidylserine (enhancing cell membrane repair and nutrient absorption) and curcumin (bringing anti-inflammatory and whitening effects), so that a multiple synergistic formula system is formed, and the prepared sturgeon oil is significantly enhanced in the repair function on the skin, and the bioavailability and stability of the product are improved.
Owner:WUHAN HUABIYUAN BIOTECHNOLOGY CO LTD
Gripper storage device
This invention provides a gripper storage device, comprising: a support; a storage rack assembly movably mounted on the support, the storage rack assembly being movable along the support; and a placement rack assembly for placing the gripper, the placement rack assembly including a first connecting end and a second connecting end, the first connecting end being detachably connected to the storage rack assembly, and the placement rack assembly being movable between a first position and a second position along the storage rack assembly, the first position being higher than the second position. This invention facilitates the storage of grippers.
Owner:SAIC GM WULING AUTOMOBILE CO LTD
A plant-based composition that promotes keratin renewal and refines skin texture, and its application.
This invention discloses a plant-based composition for promoting keratinocyte renewal and refining skin, and its application, belonging to the field of cosmetic technology. The composition comprises pomegranate fruit extract, kale leaf extract, Dendrobium officinale stem extract, and phytosterols in a specific ratio. The Dendrobium officinale stem extract is obtained using a choline chloride-oxalic acid eutectic solvent combined with microfluidic extraction. In this composition, pomegranate fruit extract promotes keratinocyte regeneration, kale leaf extract accelerates the shedding of dead skin cells, and the two synergistically regulate keratinocyte metabolism. Dendrobium officinale stem extract enhances skin's moisturizing ability, softens keratinocytes, and creates a moist renewal environment. Phytosterols repair the skin barrier and enhance the vitality of basal cells. These four components form a complete chain of action involving deep activation, metabolic regulation, and barrier repair, endogenously promoting keratinocyte renewal. It also provides exfoliation, skin refinement, long-lasting moisturizing, and barrier repair effects, and is gentle and non-irritating, making it suitable for sensitive skin.
Owner:N O D TOPIA (GUANGZHOU) BIOTECHNOLOGY CO LTD
Data collaborative processing method and device and computer device
ActiveCN115617519BImplement data collaborative processingTo achieve the purpose of data collaborative processing
The application provides a data collaborative processing method and device and computer equipment, and belongs to the technical field of computers. The method comprises the following steps: obtaining to-be-processed data sent by at least one first terminal device; obtaining at least one processing module according to information of the processing module sent by at least one second terminal device; obtaining configuration information sent by at least one third terminal device; generating a process instance based on the configuration information and the processing module; executing the process instance and outputting execution result data after the execution of the process instance. The application can improve the stability and efficiency of data collaborative processing.
Owner:NETEASE (HANGZHOU) NETWORK CO LTD
Model updating method and device, voice conversion method, equipment and storage medium
This application provides a model update method and apparatus, a speech conversion method, device, and storage medium, belonging to the field of financial technology. The method includes: acquiring sample speech data; inputting the sample speech data into a neural network model; encoding the sample speech data through an encoding network to obtain an initial audio feature vector; indexing the initial audio feature vector based on a preset codebook to obtain an audio frame index; extracting phoneme features from the initial audio feature vector based on the audio frame index to obtain an initial phoneme feature vector; performing speech alignment on the initial phoneme feature vector to obtain a sample audio embedding vector; decoding the sample audio embedding vector and the speech style embedding vector through a decoding network to obtain synthesized speech data; and updating the parameters of the neural network model based on the synthesized speech data and the sample speech data to obtain a speech conversion model. This application can improve the accuracy of the model in speech conversion.
Owner:PING AN TECH (SHENZHEN) CO LTD
An Integrated Simulation Modeling Method for Digital Twin Models of Airfoil Structures
PendingCN122088059AEasy to updateGeometric CADSustainable transportationModelSimComputational physics
This invention proposes an integrated simulation modeling method for digital twin models of wing structures, belonging to the field of structural modeling and simulation. It includes: constructing a tree-like integrated simulation framework for the wing, encapsulating multi-level simulation models of the wing, online integrated simulation of the wing structure, structural performance prediction and evaluation, and updating the integrated simulation model. This invention expands upon the construction of a multi-level wing model, building a tree-like integrated simulation framework based on the multi-level structural characteristics of the wing. Then, based on the open standard functional prototype interface (FMI), the multi-level wing model is unified into functional prototype unit (FMU) models. Subsequently, the FMUs are integrated in the system simulation software to establish an online integrated simulation model of the wing structure, while simultaneously predicting the mechanical response of key structural components in real time. This invention can improve the modeling efficiency of the system simulation model.
Owner:BEIHANG UNIV +1
An electronic tag device and electronic tag built into the housing of a current transformer
ActiveCN224287529UEasy to removegood encryptionRecord carriers used with machinesElectric power equipmentStructural engineering
This utility model belongs to the field of power equipment technology and discloses an electronic tag device and electronic tag built into the housing of a current transformer. The electronic tag device built into the housing of the current transformer includes a base, a protective shell, and a fixing component. The base is used to store the electronic tag body; the protective shell is used to protect the electronic tag body; the fixing component includes a movable block, a limiting block, a limiting groove, an elastic element, and a guide post. The movable block is connected to the base, the limiting block is connected to the movable block, the limiting groove is formed in the base, the elastic element is clamped between the movable block and the base, and the guide post is connected to the base. With the fixing component, the protective shell can be removed, which allows for convenient encryption, updating, or backup of the electronic tag, ensuring the accuracy and timeliness of information and preventing safety accidents caused by information lag or errors.
Owner:HUNAN WEIMIN ELECTRONIC TECH CO LTD
Deep bed denitrification filter tank
ActiveCN224258397UReduce backwash timesEasy to updateWater contaminantsWater/sewage treatmentMicroorganismWater use
The utility model discloses a deep bed denitrification filter which comprises a filter body, a filter bed filled in the filter body and a backwashing pipeline, the filter bed comprises a lower supporting layer, a microbial filler layer positioned above the lower supporting layer, an upper supporting layer positioned above the microbial filler layer and a filter material filling layer positioned above the upper supporting layer; the backwash pipeline comprises a lower-layer backwash pipe laid below the lower supporting layer, an upper-layer backwash pipe laid below the upper supporting layer and a water supply pipe used for conveying backwash water, the water supply pipe is divided into two paths, one path is connected with the lower-layer backwash pipe, and the other path is connected with the upper-layer backwash pipe; and switch valves are mounted on the two water supply pipes. According to the utility model, the backwashing effect can be effectively improved, the backwashing frequency of an area where microorganisms are located is reduced, and the influence of backwashing on microbial populations is reduced.
Owner:SUICHANG FUCHUN ZIGUANG WATER CO LTD
A mainboard circuit, an artificial intelligence component and an electronic device
ActiveCN224383659UFlexible local deploymentEasy to upgradeVolume/mass flow measurementPower supply for data processing
The application discloses a mainboard circuit, an artificial intelligence component and an electronic device. The mainboard circuit comprises a main control processor for controlling system functions. The main control processor detects a current electrical connection state of a detachable artificial intelligence component for implementing an artificial intelligence function according to a level change of an expansion interface pin of the main control processor. The electrical connection state comprises an online state in which the artificial intelligence component is electrically connected with the expansion interface pin of the main control processor and an offline state in which the artificial intelligence component is not electrically connected with the expansion interface pin of the main control processor. The application makes the deployment of the artificial intelligence component selectable and flexible.
Owner:HANGZHOU HIKSTORAGE TECHNOLOGY CO LTD
Plate type falling film evaporator
PendingCN121846701AExtended operating cyclelow running costEvaporator accessoriesEvaporator regulation/controlThermal dilatationMetal strips
The invention discloses a plate type falling film evaporator. The evaporator comprises an evaporator tank body, a feed liquid evaporation plate device, a feed liquid distribution device, a feed liquid circulating device, a steam discharging device and a feeding pipeline, the feed liquid evaporation plate device comprises an evaporation plate mechanism, a fixed bracket, a descaling connecting frame and a descaling metal strip; a liquid film evaporation area is formed through the feed liquid evaporation plate device, uniform liquid distribution is achieved through the feed liquid distribution device, non-evaporated feed liquid flows back through the feed liquid circulation device, secondary steam is discharged through the steam discharging device, and raw materials are supplemented through the feeding pipeline; the thermal expansion coefficient of the descaling metal strip is larger than that of the evaporation plate mechanism, micro displacement is generated during heating or the descaling metal strip abuts against and slides to disturb the plate face, scale layer attachment is damaged, the scale layer is promoted to fall off, automatic reset is achieved during cooling, and self-adaptive descaling without external force driving is achieved. Passive scale removal is achieved through the thermal expansion difference, the heat transfer efficiency is improved, the operation period is prolonged, and the cleaning frequency and the maintenance cost are reduced.
Owner:QIDONG SHENNONG MASCH CO LTD
Biological packing assembly
This utility model discloses a biological packing assembly, including an upper bearing, a lower bearing, a rotating shaft, and multiple packing module assemblies. The upper and lower bearings are respectively fitted onto the upper and lower ends of the rotating shaft. The multiple packing module assemblies are evenly distributed around the axis of the rotating shaft. Each packing module assembly includes multiple packing modules, which are arranged in the same vertical row. The packing modules are cuboid in shape and vertically arranged. The first end of the packing module is connected to the side wall of the rotating shaft. Each packing module assembly contains biological packing. In this application, the static packing in the prior art is replaced with a rotatable mechanical structure. The packing is driven to rotate by water flow, which enhances the gas-liquid-solid three-phase contact. The rotation of the biological packing assembly generates centrifugal force, which promotes biofilm renewal and pollutant diffusion. Furthermore, the shear force during rotation can automatically peel off the aging biofilm, reducing the risk of clogging.
Owner:CHENGDU BILIAN ENVIRONMENTAL PROTECTION ENG CO LTD
A method for 3D digital display of urban assets
This invention relates to a method for 3D digital display of urban assets, based on an eight-part model and ten-level spatial geographic boundaries, to present and express different categories of urban assets in three dimensions. The eight-part model includes hierarchical, categorical, segmented, block-based, building-based, layered, household-based, and zone-based classifications. The ten-level spatial geographic boundaries include city-level, district-level, street-level, community-level, grid-level, building-level, floor-level, room-level, block-level, and element-level classifications. This invention can dynamically express spatiotemporal two-dimensional and three-dimensional data from multiple sources and with different structures, loading content of interest into a 3D scene according to user needs, thereby reducing unnecessary memory usage in the system and enhancing user experience. It also solves problems such as high latency and slow loading speed in network data services, achieving the technical effects of small memory footprint, fast loading speed, comprehensive data types, excellent presentation effects, realistic digital expression, and easy updates.
Owner:TIANJIN HEBEI DISTRICT FINANCE BUREAU +1
A shaft sleeve oil seal structure enhancing the heat dissipation effect of cooling liquid
Owner:KOBELCO COMPRESSORS MFG (SHANGHAI) CORP
A codeless digital twin training system
ActiveCN119356658BImprove effectivenessImprove realismCosmonautic condition simulationsVisual/graphical programmingExtensibilityMaintainability
This invention discloses a no-code digital twin training system, belonging to the field of digital twin training systems. It includes: a front-end framework, cloud 3D API encapsulation, back-end support, data management, a visual editor, security, and scalability and maintainability. The front-end framework uses Vue, React, or UI as its basic framework, allowing for easy construction of real-world cases without programming, completely eliminating the limitation of traditional systems that require technical personnel to have programming skills to modify or create training content. Through a pre-built script function, the system can accurately recreate real business scenarios, making fault simulation cases more closely resemble actual operations, significantly improving the effectiveness and realism of the training. The innovatively introduced interactive function of the twin device model combines training questions with device model actions, significantly enhancing the interactivity and engagement of the training.
Owner:SUPER HIGH VOLTAGE BRANCH OF STATE GRID JIANGXI ELECTRIC POWER CO LTD +1
Optimal test strategy generation method for complex communication system
The invention discloses an optimal test strategy generation method for a complex communication system, and the method comprises the steps: firstly constructing a fault test model of a to-be-tested system, then generating an optimal complete graph in combination with the fault test model, and reducing the optimal complete graph into a binary tree which serves as an optimal test strategy, thereby solving a problem that a space structure is difficult to solve when the space structure is complex; in the process of generating the optimal complete graph, an intelligent search algorithm is selected, and a complete graph solution set is continuously iterated and updated according to an accelerated convergence rule to fit an optimal test strategy.
Owner:济宁广播电视台
Electronic instrument metering state identification device and identification system comprising same
ActiveCN224136642Uprecise positioningEasy to updateInstrumentsInformation controlIdentification device
The utility model discloses an electronic instrument metering state identification device and an identification system comprising the same, which belong to the technical field of instrument metering and comprise a receiving module, a display module, a light module, a positioning alarm module and a power supply module. The signal is received through the receiving module, the display module is controlled to display instrument information according to the received signal, the light module is controlled to display the metering state and the validity period state of the instrument, and the positioning alarm module is controlled to give out a sound-light alarm to position the position of the instrument. The electronic instrument metering state identification device and the identification system comprising the electronic instrument metering state identification device are simple in structure, convenient to operate, capable of being repeatedly used, convenient to display the metering state and the validity period state, high in identifiability, convenient to position the instrument and high in reliability. The instrument can be quickly positioned in actual work, the metering state of the instrument and the calibration work of the instrument can be more conveniently checked, and normal use of the instrument is guaranteed.
Owner:CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719
Tonsil postoperative diet management system and method
PendingCN121812076ATaking into account nutritional needsavoid postoperative complicationsMedical communicationImage enhancementPhysician patient communicationPersonalization
The invention discloses a tonsil postoperative diet management system and method, and relates to the technical field of medical care, and the system comprises a front end, a rear end, a database, an image recognition module and an intelligent interaction module. All the parts collaboratively realize the following functions: a data management function, a system management function, an authority management function, an automatic recipe recommendation function, an image recognition function and an interactive forum function. The personalized diet recipe can be automatically recommended according to the basic information, the medical history, the number of postoperative days and the tonsil mucosa recovery condition of the patient, meanwhile, an interaction platform between a doctor and the patient is built, and the problems that existing clinical diet guidance is general, individuation is lacked and doctor-patient communication is inconvenient are solved.
Owner:THE 940TH HOSPITAL OF THE CHINESE PEOPLES LIBERATION ARMY JOINT LOGISTICS SUPPORT FORCE
Digital design method and system for hypoid gear
ActiveCN121543316BHighly integratedImprove design modeling speedGeometric CADDesign optimisation/simulationGear wheelGear tooth
The application discloses a hypoid gear digital design method and system, and is applied to the technical field of gear design and manufacturing. The method comprises the following steps: according to initial design parameters, solving the gear blank parameters of a hypoid gear pair, the forming method machining parameters of a large gear and the cutter tilt method machining parameters of a small gear; based on gear machining principles and space meshing principles, establishing the large gear tooth surface equation and the small gear tooth surface equation, determining the theoretical boundary of the rotary projection tooth surface, and dividing discrete grid nodes; constructing an objective function for iterative solving, obtaining tooth surface discrete point cloud data; constructing a cubic spline curve, reconstructing the tooth surface spline surface; establishing a gear blank solid model, cutting the gear blank by using the reconstructed tooth surface through Boolean operation, and generating a hypoid gear three-dimensional entity model. The application overcomes the disadvantages of the traditional design method, such as design and modeling simulation fragmentation, low efficiency of artificial optimization iteration, and greatly improves the design efficiency through full-automatic modeling process and fast design optimization response.
Owner:JILIN UNIVERSITY +1
Ultrasonic torsional vibration assisted electrolytic milling method and device
PendingCN121776605AImprove processing efficiencyImprove machining accuracyMachining electrodesMechanical vibrations separation
The invention provides an ultrasonic torsional vibration assisted electrolytic milling method and device, and belongs to the technical field of electrochemical machining. Comprising a mode conversion type ultrasonic torsional vibrator, comprising a pair of sandwich type piezoelectric transducers, a longitudinal vibration amplitude-change pole connected with the sandwich type piezoelectric transducers, a torsion amplitude-change pole in threaded connection with the longitudinal vibration amplitude-change pole, a flange fixedly arranged on the torsion amplitude-change pole, a switching amplitude-change pole fixedly arranged below the torsion amplitude-change pole and a tool electrode clamped at the tail end of the switching amplitude-change pole. Electrochemically machining a matching structure; and the machine tool motion structure is used for driving the tool electrode or the workpiece to perform two-dimensional or three-dimensional scanning motion. By designing the mode conversion type ultrasonic torsional vibrator, longitudinal ultrasonic vibration generated by the piezoelectric ceramic set is converted into torsional vibration on the tool electrode, tangential reciprocating shearing motion is generated at the tail end of the tool electrode, mass transfer in a gap is strengthened, discharge of products in a machining area and updating of electrolyte are promoted, and the machining precision is improved. Therefore, the machining efficiency and precision of electrolytic milling are improved.
Owner:GUANGDONG UNIV OF TECH
A wireless solenoid valve controller
ActiveCN224287640URealize remote control functionImprove convenienceOperating means/releasing devices for valvesTransmission systemsElectrical batterySolenoid valve
This utility model discloses a wireless solenoid valve controller, comprising: a front shell, a bottom shell connected to the front shell by a snap-fit mechanism, a button on the front shell, a PCB board between the front shell and the bottom shell, a power supply inside the bottom shell, positive and negative connecting pieces at one end of the power supply, a positive and negative electrode piece at the other end of the power supply, a battery cover at the bottom of the bottom shell, a valve connecting wire penetrating the bottom shell at one end, an upper pressure piece at one end of the front shell, and a lower pressure piece at one end of the bottom shell opposite to the upper pressure piece; the PCB board is provided with a main control circuit, a wireless receiving circuit, an indicator light circuit, a buzzer circuit, a programming interface circuit, and an output control circuit; the corresponding terminals of the main control circuit are electrically connected to the corresponding terminals of the wireless receiving circuit, the indicator light circuit, the buzzer circuit, the programming interface circuit, the output control circuit, the button, and the power supply.
Owner:SHENZHEN LONGSIN INTELLIGENCE TECH CO
Mine multi-time period point cloud map association system based on graph optimization
A multi-period map correlation system based on graph optimization comprises a single SLAM mapping module, a data integration module, a global search module, a point cloud fine matching module and a global graph optimization module. The application focuses on the changing mine environment, constructs a global map for the data collected in different periods, and completes the information correlation between the global maps, provides a basis for long-period map updating, thereby converts the pose estimation problem into a joint optimization problem, realizes accurate correlation of multi-pass mapping, and significantly improves the positioning accuracy and environmental adaptability of the SLAM technology in the mine scene.
Owner:SHANGHAI JIAOTONG UNIV
Unmanned aerial vehicle for pointing illumination
ActiveCN224184503Uimprove survival rateImprove work efficiencyAircraft componentsLight equipmentPhoto irradiation
The utility model provides an unmanned aerial vehicle for directional lighting, which belongs to the technical field of unmanned aerial vehicle lighting equipment and comprises a quick coupler arranged at the bottom of a rescue unmanned aerial vehicle, an angle adjusting component fixedly arranged at the bottom of the quick coupler, a connecting block rotatably arranged at the bottom of the angle adjusting component, and a connecting plate fixedly arranged at the bottom of the connecting block. The bottom of the connecting plate is provided with a rotary holder, the bearing surface of the bottom of the rotary holder is provided with a laser power supply, the shell of the laser power supply is downwards and obliquely provided with a laser irradiation assembly, and the light emitting end of the laser irradiation assembly is detachably provided with a pointing icon. The laser which can penetrate through the smoke is formed through the laser cylinder and irradiates the focusing lens group, the laser irradiates the pointing icon, the pattern of the pointing icon irradiates the ground, the help seeking person is guided, and the survival rate of the help seeking person is improved.
Owner:华启天成(深圳)智能科技有限公司