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A robot moving route intelligent control system based on internet of things
ActiveCN116755436BImprove mobile efficiencyRealize dynamic adjustmentVehicle position/course/altitude controlPosition/direction controlDynamic planningSimulation
The application belongs to the field of robots, relates to a data analysis technique, and aims to solve the problem that the existing intelligent control system for robot moving route cannot timely adjust the planned route of the robot according to the obstacle analysis result, in particular to an intelligent control system for robot moving route based on the Internet of Things, which comprises an intelligent control platform, wherein the intelligent control platform is communicatively connected with a dynamic planning module, a decision analysis module, an environment evaluation module, a route optimization module and a storage module; the starting position and the target position of the robot are acquired, all static planning routes between the starting position and the target position are acquired, a plurality of sub-nodes are set on the static planning routes, and the static planning route with the shortest path distance value is marked as a preliminary selected route; the application can plan and analyze the moving route of the robot in a dynamic environment, and obstacle analysis is performed on each sub-node to realize dynamic adjustment of the moving route of the robot.
Owner:YANGTZE NORMAL UNIVERSITY
An adjustable and replaceable device for reducing vibration of rotating equipment in marine environments.
ActiveCN224453160UReduce vibration amplitudeImprove long-term safe and stable operation capabilitiesVibration amplitudeClassical mechanics
This utility model discloses an adjustable and replaceable device for reducing vibration of rotating equipment in marine environments, comprising: an outer pipe, a main shaft, and a bearing bracket. The outer pipe is coaxially arranged with the main shaft, and the bearing bracket is sleeved on the outside of the main shaft. An annular groove is provided on the inner wall of the outer pipe at a position corresponding to that of the bearing bracket. A positioning ring is detachably installed in the annular groove. An outer ring is provided on the outer edge of the bearing bracket, and the outer ring cooperates with the positioning ring. The positioning ring reduces the fitting gap, improves the overall stability of the bearing bracket and the outer pipe, and thus enhances the stability of the bearing and pump unit. It can reduce the vibration amplitude of the rotating equipment and improve the long-term safe and stable operation capability of the rotating equipment in marine environments. The addition of the 316L positioning ring simplifies on-site construction, and the positioning ring can be adjusted and replaced in a timely manner according to the subsequent vibration of the rotating equipment.
Owner:XIAMEN UNIV
Multifunctional intelligent aloe bin
PendingCN121942471AIntuitive interactionAffect normal growth and developmentPlanting bedsMeasurement devicesAgricultural scienceControl engineering
The invention relates to a multifunctional intelligent aloe bin, and relates to the field of artificial climate boxes, the multifunctional intelligent aloe bin comprises a planting bin, a plurality of brackets vertically arranged in the planting bin at intervals, and planting trays arranged above the brackets, and the planting bin is divided into a plurality of cultivation bin chambers by the planting trays; the environment sensor is arranged in the planting bin and used for detecting environment parameters; the execution mechanism is arranged in the planting bin and used for adjusting the growth environment or supplying growth substances; the control terminal is connected to the environment sensor, is arranged on the planting bin or is in communication connection with the planting bin, comprises a human-computer interaction interface and is configured to establish communication connection with a remote experimenter terminal; a control instruction from the remote experimenter terminal is received and responded to drive the execution mechanism to act; and data detected by the environment sensor is sent to a remote experimenter terminal. According to the invention, the experiment requirements of real-time monitoring and flexible control are met, and the experiment accuracy is improved.
Owner:HEBEI MAMA FARM AGRICULTURAL TECHNOLOGY CO LTD
Visual device and kiln
The utility model discloses a visual device and a kiln, the visual device is applied to the kiln, the visual device comprises a camera shooting assembly, a heat insulation assembly and a cooling assembly, the camera shooting assembly comprises a camera and a lens which are connected with each other, and the lens is arranged in the kiln in a penetrating manner; the heat insulation assembly is hollow to form a heat insulation cavity, the heat insulation cavity is communicated with the interior of the kiln, and the camera assembly is arranged in the heat insulation cavity in a penetrating mode; the cooling assembly is communicated with the end, located outside the kiln, of the heat insulation cavity, so that conveyed cooling gas is input into the kiln along the heat insulation cavity. The kiln comprises a roller shaft and the visual device, and the lens is located above the roller shaft. The utility model can solve the problem that the brick moving of the kiln is difficult to continuously monitor.
Owner:DLT TECH CO LTD
Vehicle starting control method and device, vehicle and medium
The invention relates to the technical field of vehicle control, and discloses a vehicle starting control method and device, a vehicle and a medium, and the method comprises the following steps: in response to starting operation of the vehicle in an automatic parking state, adjusting parking release control parameters according to current road surface information and vehicle parameters; and releasing the automatic parking state according to the adjusted parking release control parameter. The parking release control parameters are dynamically adjusted according to real-time road surface information and vehicle parameters through a dynamic and self-adaptive parameter adjusting mechanism, the limitation of traditional fixed calibration is eliminated, different road conditions and vehicle states can be adapted, the vehicle starting quality in the automatic parking state is remarkably improved, and the vehicle starting speed is increased. And fixed parameters under the automatic parking function can be continuously optimized, so that the method adapts to individual manufacturing differences of different vehicles, starting abnormities such as slope sliding, dragging and vehicle channeling of the vehicles can be effectively avoided, the safety and smoothness of vehicle starting are improved, and meanwhile the user driving experience and the vehicle intelligent control level are greatly improved.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD
一种数控机床用分油块
ActiveCN120645033Bdegree of changechange speed
Owner:HUNAN VALIN LIANYUAN IRON & STEEL CO LTD
Explanation task real-time planning method and device, equipment and storage medium
PendingCN122133939AAdjust in timeincrease flexibilityBiological modelsKnowledge based modelsRoboticsKnowledge graph
This application discloses a method, apparatus, device, and storage medium for real-time planning of explanation tasks, relating to the field of robotics. The method includes: acquiring the instruction intent of the explanation task command; determining the explanation task planning result based on the instruction intent, a preset knowledge graph, and a preset task planning algorithm; and during the explanation process according to the explanation task planning result, using a preset acquisition device to scan and acquire current environmental information in real time, which is then combined with a preset path update algorithm to determine whether to update the explanation route. This method determines the explanation task planning result based on the task command using a preset task planning algorithm and a preset knowledge graph, and scans the current environmental information in real time during the explanation process. This enables the determination of whether to update the explanation route based on the current environmental information, avoiding obstacles in the explanation route from interrupting the explanation. This solves the problems of fixed explanation robot modes and poor flexibility, and optimizes the user experience during the explanation process.
Owner:SHENZHEN LANYOU TECHNOLOGY CO LTD +1
A coherent electrotherapy method for idiopathic scoliosis combined with exercise therapy
PendingCN122075917AHigh precisionGuaranteed accuracyCharacter and pattern recognitionSensorsElectrode placementSpinal column
This invention discloses a coherent electrical stimulation method for idiopathic scoliosis combined with exercise therapy, belonging to the field of electrical stimulation methods for idiopathic scoliosis. It aims to address the problem of how to dynamically adjust stimulation parameters based on individual differences to improve treatment efficacy. The method includes acquiring raw image sequences of the patient's spine through MRI scans, preprocessing the raw image sequences to construct a three-dimensional geometric model of the spine, configuring simulated electrical property parameters for the tissue structures, and then adding coherent electrical surface electrodes to the model. The electrode placement area on the three-dimensional geometric model of the spine is initially defined, and a coherent electrical stimulation signal is generated using a function generator. A comprehensive evaluation index value is calculated through finite element analysis to dynamically adjust the coherent electrical stimulation signal. Based on the coherent electrical stimulation signal parameters and its comprehensive evaluation index value, a coherent electrical stimulation scheme is determined, and ultrasound-guided technology is used to locate the electrode positions and implement coherent electrical stimulation therapy.
Owner:TIANJIN UNIV
Resource early warning method and device based on computing node cluster and electronic equipment
Embodiments of the present disclosure disclose a resource warning method and device based on a computing node cluster and an electronic device. A specific implementation of the method comprises: determining whether to call the computing node cluster for resource processing; for each interactive object, determining the corresponding model calculation amount in the information prediction process; selecting a first computing node from the computing node cluster to support the call of each interactive object; for each interactive object, generating first historical resource overdue summary information and first future resource overdue summary information; generating second historical resource overdue summary information and second future resource overdue summary information; generating target resource quality information; and sending corresponding encrypted information to a target monitoring terminal to perform target warning under the condition that the resource quality warning condition is met. The implementation accurately and efficiently generates target resource quality information on the basis of reducing waste of computing resources through reasonable allocation of hardware resources.
Owner:PARK DO CREDIT CO LTD
LED lamp heat dissipation structure
This invention belongs to the field of heat dissipation structure technology, specifically an LED lamp heat dissipation structure. It includes heat dissipation fins, a bottom bracket fixedly connected to the bottom of the heat dissipation fins, and a top bracket detachably mounted on the top of the heat dissipation fins. A cooling fan facing the heat dissipation fins is fixedly connected to the top of the top bracket. The heat dissipation fins include a central ring and fins, with multiple fins arranged in a ring array on the outer circumference of the central ring. An outer peripheral baffle, capable of restoring its original shape, is fixedly connected to the outer end of each fin. The free end of the outer peripheral baffle can abut against the outer end of an adjacent fin, sealing the gap between adjacent fins. In this invention, when the cooling fan is activated, the entire heat dissipation fin forms a four-sided sealed ventilation structure. This effectively improves airflow convection at the LED lamp, reduces airflow convection at gaps, and allows more airflow to directly act on the LED lamp and its surrounding heat dissipation fins, thereby significantly improving heat dissipation efficiency.
Owner:SHENZHEN BAIQIANG PHOTOELECTRIC CO LTD
A sintering machine trolley arch automatic adjustment control method and system and a storage medium
ActiveCN116929075BReal-time monitoring of camber amountArching in timeFurnace typesControl devices for furnacesGraphicsControl engineering
The present application provides a kind of sintering machine trolley arching automatic adjustment control method, system and storage medium, by obtaining the graphic image information of sintering machine trolley obtained by image recognition device and extracting the effective image information of the wheel of current sintering machine trolley and the track at return track, the identification end of image recognition device is for the transition connection of return track and tail star wheel curve, according to the distance of effective image information and the distance of identification end from the wheel of current sintering machine trolley, the arching amount of current sintering machine trolley relative to return track is calculated, when arching amount is greater than first preset threshold, control arching adjustment device to start, when arching amount is less than or equal to first preset threshold, the distance value between the top of wheel of current sintering machine trolley and ranging device detected by ranging device is obtained, when distance value is less than second preset threshold, control arching adjustment device to start, to eliminate arching, can real-time monitoring arching amount, and timely adjustment.
Owner:ZHONGYE-CHANGTIAN INT ENG CO LTD
An intelligent dosing device for environmental sewage treatment and a control system thereof
ActiveCN119390145Bincrease flow ratefull contact effectWater treatment parameter controlRotary stirring mixersControl systemProcess engineering
The present application relates to a kind of environmental sewage treatment intelligent dosing device and control system thereof, including processing box, the front surface of processing box is fixedly connected with control panel, the upper surface of processing box is fixedly connected with guide slide plate symmetrically;The present application is through the way of mechanical and system linkage to complete automatic rationality sewage dosing treatment, and through the cooperation between components, the effect of intermittent dosing is realized, and intermittent dosing process is accompanied by reorientation of medicament discharge, which helps to increase the discharge dispersion area of medicament, and the reasonable dosing amount management and automatic area stirring positioning adjustment are realized by data analysis, according to the medicament demand of different processing areas, reasonable and targeted dosing treatment is carried out, and the dosing amount of each processing area is monitored, so that the dosing condition of each processing area can be intuitively understood, and timely management adjustment is carried out, to ensure the accuracy of dosing.
Owner:BEIJING QINGCHUANG DIGITAL INTELLIGENT ENVIRONMENT TECHNOLOGY CO LTD
Production line for rotating part production
ActiveCN224196300Ureduce time consumptionGuarantee China UnicomStatic/dynamic balance measurementOptically investigating flaws/contaminationProduction lineManufacturing technology
The utility model relates to the technical field of rotating part production, and discloses a production line for rotating part production, which comprises a digital display press machine, a cleaning machine, a dynamic balancing machine and run-out detection equipment. According to the method, all the working procedures are linearly arranged in sequence and connected through the conveying equipment, so that all the working procedures form a whole, the time consumption of workpiece transferring between the adjacent working procedures is effectively shortened, and the overall production efficiency of products is greatly improved. The problems that in the prior art, in the assembly production process, all working procedures are separated, and the production efficiency is low are solved. The jumping, marking and oiling all-in-one machine is used for conducting jumping detection on products, the process integration degree and the automation degree are greatly improved, and compared with an existing manual jumping detection mode, the efficiency and the detection precision can be greatly improved.
Owner:NINGGUO ASIMCO HARDWARE PRODUCTS CO LTD
Agricultural Internet of Things plant growth monitoring device
ActiveCN224215021UDetect growth problems promptlyEasily detect growth problemsClimate change adaptationEarth material testingGrowth plantAgricultural science
The utility model discloses an agricultural internet-of-things plant growth monitoring device, which relates to the technical field of agricultural monitoring devices, and particularly comprises a remote control car, a lifting probe, a detector, a power supply and a controller, and the lifting probe, the detector, the power supply and the controller are fixedly mounted on a base of the remote control car. The remote control car, the lifting probe and the detector are all electrically connected with the controller, the lifting probe comprises a driving motor, a driving gear, a driven gear, a threaded rod, a mounting plate, a camera and a shell, and the detector further comprises a soil detector body, a lifting sleeve, a rotating motor and a connecting gear. According to the utility model, through the action of the remote control car, the lifting probe can be driven to move, so that the camera is close to crops, and then the camera on the mounting plate is driven to move up and down through the cooperation of the driving motor, the driving gear, the driven gear and the threaded rod, so that the camera can be close to roots, stalks and leaf surfaces of the crops; and crop growth problems can be found in time.
Owner:张小青 +4
Method for preparing layered structure of rock-like material physical model of roadway cement mortar
ActiveCN118744471Beasy to observeAdjust in timeMouldsMould auxillary partsRock engineeringStructural engineering
A layered structure roadway cement mortar physical model preparation method of rock-like material belongs to the field of rock mass mechanics and rock engineering, and steps are as follows: 1. According to the engineering site situation and the predicted size, a mold is made, and a preset roadway hole is drilled on the required unit plate in advance, and then combination is carried out; 2. The roadway model is made, and after the mold combination is completed, it is inserted along the opposite preset roadway hole, and the combined mold is prepared; 3. The combined mold is placed on the telescopic support device; 4. The inner wall of the mold and the outside of the roadway model are coated with release agent, and the rock-like material is poured layer by layer, the existence of layered joints is highlighted, and the surface is scraped after vibration and compaction; 5. Demoulding and curing, and the layered structure roadway cement mortar physical model is obtained. The preset roadway hole on the mold ensures the similarity between the poured physical model and the deep metal mine layered rock roadway; the model prepared by using cement mortar reduces the difficulty and cost of obtaining the layered rock.
Owner:NORTHEASTERN UNIV CHINA
Apparatus and method for detecting an undercutting device
The application discloses a device and method for detecting a undercutting device, and relates to the technical field of device detection, which comprises a device body, a rotating mechanism and a locking mechanism, and has a detection station on the device body. The rotating mechanism comprises a second rotating part and a first driving assembly, and the second rotating part is arranged on the device body. The locking mechanism comprises two locking parts and a second driving assembly, and the two locking parts are arranged on the device body in a relative moving mode. The undercutting device is moved to the detection station, the first and second rotating parts are drivingly connected, and the two locking parts are located between the first and second ear seats. The second driving assembly drives the two locking parts to move away from each other, so as to be connected to and locked with the first and second ear seats respectively. The first driving assembly drives the second rotating part to rotate, so as to drive the undercutting assembly to rotate through the first rotating part. The device can simulate the dynamic working condition of the undercutting device, so that the performance of the undercutting device can be visually observed or detected by the device, and the cost of later rectification or maintenance is greatly reduced.
Owner:HUNAN LIANCHENG TRACK EQUIP CO LTD
A gantry machining auxiliary bracket facilitating workpiece overturning
The utility model provides a kind of gantry machining auxiliary bracket of workpiece is convenient to turn over, belong to mechanical engineering field, including frame, the inside of the frame is provided with the turnover component for the workpiece is turned over, the one side of the frame is provided with the mistake prevention component for preventing workpiece to appear turnover error.The utility model is turned over by being provided with turnover component, the effect that workpiece is quickly turned over is realized, servo motor drives screw rod rotation, drives support along horizontal direction steady reciprocating motion, the height of first electric push rod adjusting fixing frame is adjusted, ensure that workpiece is clamped in optimum position, workpiece is exerted stable clamping force by electric clamp, second electric push rod cooperates with L-shaped frame, to workpiece is smoothly turned over, the turnover efficiency of workpiece is significantly improved.
Owner:SUZHOU RUNBAIYI PRECISION MACHINERY CO LTD
Radar wave speed measuring device with adjustable angle
ActiveCN224109634UAdjust pitch angleAdjust in timeStands/trestlesRadio wave reradiation/reflectionCurrent meterWater flow
The utility model discloses an angle-adjustable radar wave velocity measurement device, which comprises a radar wave velocity meter, a positioning assembly and an aluminum plate, the lower end of the aluminum plate is fixedly connected with two mounting plates, a main shaft is rotatably connected between the two mounting plates, one end of the main shaft is fixedly provided with a bracket, and the main shaft is provided with a horizontal adjusting mechanism for adjusting the horizontal angle of the bracket. One end of the support is rotationally connected with a shell, a pitching adjusting motor is installed in the shell, the radar wave current meter and the positioning assembly are installed in the shell, and the aluminum plate is provided with a plurality of fixing assemblies used for being connected with a cableway. According to the utility model, the horizontal angle and the pitching angle of the radar wave flow velocity meter can be adjusted in real time according to the change of the water level, so that the radar wave beam and a lead fish monitoring point can be positioned on the same vertical line, the water flow velocities at different water depths are compared, and the monitoring precision of the water flow velocity is improved.
Owner:CHONGQING ZHISHUI TECHNOLOGY CO LTD
Feed blocking device for deep sea net cage
ActiveCN224178936Uprevent leakageRealize the role of size adjustmentClimate change adaptationPisciculture and aquariaElastomerFixed position
Owner:LINGSHUI AGRI INVESTMENT MARINE FISHERIES DEV CO LTD
Special-shaped part attaching and pressing device for bamboo charcoal fibers
The utility model discloses a special-shaped position fitting and pressing device for bamboo charcoal fibers, which comprises a working platform, and the outer wall of the working platform is fixedly connected with a supporting standing plate. According to the special-shaped position attaching and pressing device for the bamboo charcoal fibers, the working platform, the supporting standing plate, the connecting frame, the connecting groove, the electric control sliding frame, the adjusting plate, the guiding groove, the control sliding block, the hydraulic rod and the pressing device body are arranged and used in cooperation, so that the pressing position of the special-shaped position attaching and pressing device for the bamboo charcoal fibers is convenient to adjust, and adjustment is flexible and convenient; timely adjustment can be conveniently carried out according to the use requirement of a user, the press-fit device body is started, an electric control sliding frame is started, so that the electric control sliding frame is movably adjusted front and back on a connecting frame through an arranged connecting groove, and by starting a control sliding block, left-right movable adjustment can be achieved on an adjusting plate through a guide groove; and a hydraulic rod on the outer wall of the sliding block is controlled to drive the pressing device body to be adjusted up and down.
Owner:江苏海科纤维有限公司
A transmission system, hub motor, and agricultural unmanned vehicle
ActiveCN116771871BRealize adaptive adjustmentSatisfies low speed and high torqueAgricultural vehiclesGearing controlAgricultural engineeringElectric machinery
This invention discloses a transmission system, a hub motor, and an agricultural unmanned vehicle. The transmission system uses spherical rollers as the transmission element in the input-output structure and incorporates a moving transmission component that adjusts with the actual rotational speed of the output structure. As the transmission component moves, the transmission ratio is adaptively adjusted, meeting the demands of low-speed high torque and / or high-speed low torque under limited power conditions. The hub motor and the agricultural unmanned vehicle can adaptively and promptly adjust the transmission ratio through a centrifugal mechanism in conjunction with the movable transmission element. This allows for the achievement of output characteristics of a motor with a fixed transmission ratio using a smaller power motor, reducing costs and enabling adaptive speed regulation in various scenarios.
Owner:GUANGZHOU XAIRCRAFT TECH CO LTD
Information processing methods, devices, equipment, and storage media for insulin delivery control
This application discloses an information processing method, apparatus, device, and medium for insulin delivery control. The method includes: acquiring blood glucose monitoring data, insulin infusion data, patient model parameters, and meal declaration data; establishing a discrete state-space model of the patient; estimating the equivalent meal perturbation online using an augmented state estimator; calculating a meal correction factor and making an overall correction to the meal input sequence within the prediction domain of the model predictive control; solving the model predictive control optimization problem based on the corrected meal input sequence to obtain and output insulin infusion control data. This application solves the problem of how to estimate the equivalent meal perturbation online based on blood glucose feedback when there is a deviation in the meal declaration amount, and how to convert this single-step estimation result into meal input sequence correction information that can be used in the future prediction time domain. This application improves prediction accuracy, shortens the duration of postprandial hyperglycemia, and reduces the risk of hypoglycemia due to overcompensation.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
Method for rapidly detecting arsenic content in chemical wastewater
PendingCN121978147AImprove timelinessquick feedbackMaterial analysis using wave/particle radiationPreparing sample for investigationWastewaterFluorescence spectrometer
The invention relates to a method for rapidly detecting arsenic content in chemical wastewater, which comprises the following steps: S1, sample pretreatment optimization: taking a chemical wastewater vulcanized liquid sample, and filtering to obtain a sample to be detected; s2, debugging parameters of an energy dispersive X-ray luminoscope: setting an energy detection interval of the luminoscope according to the characteristic X-ray energy range of the arsenic element, and determining an optimal detection time parameter; s3, establishing a standard curve: collecting a plurality of groups of chemical wastewater standard samples with known arsenic content, detecting by adopting an energy dispersion X luminoscope, and drawing and fitting to obtain the standard curve; s4, actual sample detection: putting a to-be-detected sample into the debugged energy dispersive X-ray luminoscope, and obtaining the arsenic element characteristic X-ray intensity of the to-be-detected sample; and substituting the intensity value into a standard curve, and calculating to obtain the content of arsenic in the sample to be detected. According to the method, the operation process is simplified, the labor cost and the error risk are reduced, and efficient and accurate detection of the arsenic content in the chemical wastewater is realized.
Owner:JINCHUAN GROUP YONGCHANG COPPER CO LTD +1
An adjustable form
ActiveCN117758848BImprove applicabilityavoid wastingExcavationsSewer pipelinesStructural engineeringRoad surface
This invention relates to the field of template technology, specifically an adjustable template, comprising a template body, an adjustment mechanism, an installation mechanism, a support mechanism, a splicing mechanism, and a sealing mechanism. The adjustment mechanism facilitates adjusting the template to create drainage ditches suitable for different road surfaces, improving work efficiency and avoiding the waste of resources associated with custom templates. The installation mechanism allows for the creation of drainage ditches of different shapes through different combinations of bottom templates to meet various needs, improving the template's applicability. The support mechanism not only supports the interior of the telescopic box but also restores the slightly deformed telescopic box, improving the stability and service life of the device. The splicing mechanism improves the connection stability between templates, further enhancing the stability of the device. The sealing mechanism prevents cement from entering the template and damaging the internal structure during use, further improving the stability and service life of the device.
Owner:SHANDONG HUITONG CONSTR GRP CO LTD +4
Wellhead device suitable for air salt cavern gas storage and method for protecting casing pipe of air salt cavern gas storage
PendingCN121976774AReduced risk of corrosionreduce adverse effectsMining devicesWell/borehole valve arrangementsEnvironmental engineeringVALVE PORT
The invention relates to the technical field of compressed air energy storage and underground gas storage, in particular to a wellhead device suitable for an air salt cavern gas storage and a method for protecting a casing pipe of the air salt cavern gas storage. The problems that the inner wall of a sleeve is prone to corrosion, and the safety and the service life of a gas storage are affected are solved. Comprising a main channel, a first valve, a gas storage device, a first branch, a second branch, a second valve and a third valve, the first valve is arranged on the main channel, and the first branch and the second branch are communicated with pipe sections on the two sides of the main channel and the gas storage device respectively. At the end of the energy storage process, the ground energy storage and release system fills air into the air storage device; and after the energy release process is finished, air in the air storage device is injected into the sleeve of the salt cavern air storage through the second branch, so that an air isolation section is formed in the sleeve, and the rising high-humidity and high-salt air in the salt cavern is isolated from being in direct contact with the inner wall of the sleeve. The corrosion risk of the sleeve can be reduced, the hidden danger of air leakage is reduced, and the service life of the air salt cavern gas storage is prolonged.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
A method, apparatus, device and medium for suppressing broadband oscillation of a converter
PendingCN122512416AAdjust phase locked loop parametersAvoid the problem of insufficient intensity adaptation
The application discloses a method and device for suppressing wide-frequency oscillation of a converter, equipment and a medium, and belongs to the field of power grid safety. The method is as follows: obtaining the fundamental equivalent impedance of the converter corresponding to the fundamental frequency and the wide-frequency equivalent impedance corresponding to each interference frequency through a preset interference signal; judging the damping characteristic of the converter according to the real part of the fundamental equivalent impedance; if the damping characteristic is positive, and the imaginary part of at least one wide-frequency equivalent impedance satisfies a preset resonance criterion, determining a resonance frequency band from all interference frequencies, and adjusting the current control loop parameters of the converter according to the resonance frequency band until all imaginary parts do not satisfy the preset resonance criterion, so as to realize wide-frequency oscillation suppression; wherein, the preset resonance criterion is determined according to the reactance characteristic of the wide-frequency equivalent impedance. The application can improve the accuracy of wide-frequency oscillation suppression of the converter.
Owner:GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
Connecting shaft bracket of reciprocating transverse moving type blooming rolling mill
ActiveCN224208797Uhold firmlyAdjust in timeMetal rolling stand detailsRolling mill drivesReciprocating motionStructural engineering
The utility model provides a connecting shaft bracket of a reciprocating transverse moving type cogging mill, and belongs to the technical field of steel rolling equipment structures. According to the connecting shaft bracket, the bracket component arranged in the longitudinal direction supports the transmission connecting shafts arranged in the longitudinal direction, the lifting component drives the bracket component to move in the longitudinal direction, and the transverse moving component drives the blooming mill to move in the transverse direction. The connecting shaft bracket solves the problems that a connecting shaft bracket in the prior art cannot be correspondingly adjusted according to the proper position of a transmission connecting shaft and cannot stably support the transmission connecting shaft when a roller of the reciprocating transverse moving type blooming mill rotates and does reciprocating motion in the transverse direction at the same time, and meanwhile a flat head sleeve lap is prone to occurring. The connecting shaft bracket comprises a bracket part, a lifting part and a transverse moving part, during rolling, the bracket component is separated from the transmission connecting shaft; during roller replacement or maintenance, the lifting component and the transverse moving component act together to drive the bracket component to support the transmission connecting shaft.
Owner:AN HUI NUO TAI GONG CHENG JI SHU YOU XIAN GONG SI
Intelligent monitoring system based on agricultural big data
PendingCN121933056AManagement is meticulousAdjust in timeInvestigation of vegetal materialClimate change adaptationGrowth plantAgricultural science
The invention discloses an agricultural big data-based intelligent monitoring system, which comprises a monitoring sampling module, a sample analysis module and an output module, and is characterized in that the monitoring sampling module is used for regularly shooting image data of plant growth in a greenhouse; the sample analysis module is used for monitoring the growth state and the growth environment of the plant through the shot sampling image data; the output module is used for adjusting the greenhouse environment in time and prompting a greenhouse administrator to trim and nurse plants through the system, and the system monitors whether plant growth deviates or not by using a method of calculating the dispersion of leaves of the plants, so that monitoring is accurate and effective, and the administrator can adjust the real-time condition of plant growth more timely; meanwhile, the system enables real-time monitoring of the growth condition and environment of the plant to be possible by analyzing the color and deviation degree change information of the leaves in the sample data in the monitoring time period, management of plant growth is more detailed, and the system has the advantages of being high in real-time monitoring capacity and fine in monitoring degree.
Owner:何凤英
Energy efficiency optimization method, system, storage medium and electronic device for irrigation area
ActiveCN119443370BAchieve unified schedulingeasy to manageForecastingCommerceAgricultural scienceAgricultural engineering
The application discloses an energy efficiency optimization method and system of an irrigation area, a storage medium and an electronic device, and relates to the field of intelligent irrigation. The method comprises the following steps: acquiring crop information and soil information of each sub-area in an irrigation area, wherein the irrigation area is communicated with branch pipes of each sub-area through a main pipe; for any sub-area, determining an irrigation amount and an irrigation priority required by crops in the sub-area according to the crop information and the soil information; and generating a first irrigation plan of a connected area according to the irrigation amount and the irrigation priority of each sub-area, wherein the connected area is composed of at least two sub-areas, and the first irrigation plan comprises an irrigation mode of irrigating crops in each sub-area in the connected area at different time periods. The technical scheme provided by the application can realize overall energy efficiency optimization of an irrigation system.
Owner:WUHAN CHUNXIAOQU AGRI TECH CO LTD
A change detection method, device and equipment for risk control data
ActiveCN115953020BAdjust in timeImprove effectivenessDatabase updatingDatabase management systemsRisk ControlData provider
This specification discloses a method, apparatus, and device for detecting changes in risk control data. The solution may include: calculating the estimated information value of each risk control data point by utilizing operational record information carrying various risk control data provided by a data provider and risk decision results generated from risk control strategies; and generating detection results reflecting whether the risk control data provided by the data provider has been added or modified based on a comparison between the estimated information value and historical estimated information values.
Owner:ANT BLOCKCHAIN TECHNOLOGY (SHANGHAI) CO LTD