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Testing system for deep soil freezing/thawing process
ActiveCN102590468AReduce distractionsMove up and down flexiblyEarth material testingGraduated cylinderCold formed
The invention relates to a testing system for deep soil freezing / thawing process, which is structurally characterized in that a temperature-controlled box is connected with an external cold bath; a high pressure-resistant organic glass cylinder is arranged on a temperature-controllable steel base; two small holes are formed in the base, one is connected with a water guide pipe, and the other is connected with a pressure adjusting pipe; a permeable stone, a piece of filter paper and a sample are sequentially arranged at the upper part of the lower base, and a temperature sensor is mounted in the sample; a temperature-controllable upper press head is arranged at the upper part of the sample; a line leading-out hole is formed in the upper press head, and is sealed through sealant after the line is lead out; the upper press head is connected with the transmission rod of a testing machine; a measuring cylinder is connected with the sample through the water guide pipe; and the measuring cylinder is arranged on a weighing sensor and fixed through a bracket. By adopting the testing system, the freezing / thawing process of the deep soil can be rather systematically researched, so as to obtain the frost heaving rate and the water absorbing / draining rate of the deep soil which is in different depths frozen under the different temperature gradients. The testing system provides the technical guarantee for the research in clarifying the action of the external load on the forming processes of the freezing soil and the frozen soil cold-formed structures, and the mutual action of the temperature, the moisture content and the pressure of the soil body in the process of freezing under the high-pressure action.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS
System and method for generating health & lifestyle observations and recommendations for an individual
InactiveUS20160055760A1Accurate recommendationWell comprehendComputer-assisted medical data acquisitionElectrical appliancesThird partyOrganism
A system and method is disclosed for generating health and lifestyle related observations and recommendations for a user, based on information collected from the user. The system and method of the present invention is configured to accept user inputs that include activity, physical, biological, environmental, subjective, goal, real-time and historical user information, inputted directly into the system, or via a third party integration. Invention references aggregated information across users and from additional sources, and generates relevant recommendations and observations, based on the system's computational methods applied to the user's inputs. The system and method considers the user's goals and system default goals in the generation of recommendations. The system and method allows for the data and generated observations and recommendations to be outputted within the system's user experience, or to a third party.
Owner:MIRABILE CHRISTOPHER
SYSTEM FOR MEDIATING HETEROGENEOUS DATA EXCHANGE SCHEMES BETWEEN IoT DEVICES
InactiveUS20150296022A1Easy to collect dataMinimizing development costProgram controlTransmissionThe InternetData exchange
Owner:SMARTYLAB CORP
Load distribution based method for calculating recently planned annual line loss of medium-voltage distribution network
ActiveCN102033999AEasy to wear outSolving complex and time-consuming problemsSpecial data processing applicationsLoad distributionComputer science
The invention relates to a load distribution based method for calculating recently planned annual line loss of a medium-voltage distribution network. The method comprises the following steps of: (1) calculating a load distribution coefficient of a typical load distribution line; (2) calculating a load distribution coefficient of an actual line; (3) virtualizing a return line, wherein parameters related to line loss calculation are all average parameters, and the loss of the return line is used as the average loss of the medium-voltage line of the planning area; (4) calculating the loss of a trunk line of the virtual line; (5) calculating the loss of a branch line of the virtual line; and (6) calculating the loss of the medium-voltage line in the planning area. The method has reasonable design, solves the problem that the failure of acquisition of the load data of a recently planned annual distribution network causes difficulty in line loss calculation, realizes the quick estimation of the line loss of the whole planning area and has the characteristics of simple operation, easier obtaining of collected data and short calculation time.
Owner:TIANDAQIUSHI ELECTRIC POWER HIGH TECH CO LTD
Identity verification method based on mobile phone acceleration sensor
InactiveCN103595538AImprove experiencePrevent theftUser identity/authority verificationSubstation equipmentFeature vectorFeature extraction
The invention discloses an identity verification method based on a mobile phone acceleration sensor. The method includes the following steps that firstly, a user writes a track with a mobile phone according to his habit, and a mobile phone acceleration sensor collects an acceleration value of the track; secondly, preprocessing is carried out on collected original acceleration data; thirdly feature extraction based on wavelet decomposition is carried out on the preprocessed data, and feature vectors are constructed; in the training stage, the data are collected, preprocessing and feature extraction are carried out, and the feature vectors are combined to form a set, an SVM is used for training a classifier model; in the identity verification stage, the user writes a gesture track to be verified, data are collected and are subjected to preprocessing and feature extraction, finally a track feature vector is added to an SVM model for verification, and whether the user is a legal user or not is judged. According to the method, identity verification of a mobile phone end does not need other external equipment, the mobile phone is effectively prevented from being stolen due to the fact that the gesture of each person is unique, and interaction is simple.
Owner:CENT SOUTH UNIV
Measuring system
ActiveUS20080074638A1Easy to collect dataImprove efficiencyAngle measurementOptical rangefindersElevation angleMeasurement device
The present invention provides a measuring system, which comprises a surveying device installed at a known point, at least one photodetection device to be installed at a measuring point, and a main arithmetic device; wherein the surveying device projects by rotary irradiation a reference plane forming laser beam including two or more fan-shaped laser beams with at least one of the fan-shaped laser beams tilted and a distance measuring light performs distance measurement by receiving a reflected distance measuring light, and performs communication of the distance measurement data between the photodetection device and the main arithmetic device; wherein the photodetection device calculates an elevation angle with respect to the surveying device based on a photodetection signal issued by receiving the reference plane forming laser beam, calculates an elevation position based on the elevation angle and the distance to the surveying device, and performs communication of distance measurement data and elevation position data at least with the main arithmetic device; and wherein the main arithmetic device communicates at least with the photodetection device among the surveying device and the photodetection device, and collects and records surveying data such as distance measurement data, elevation position data, etc. for each measuring point.
Owner:KK TOPCON
Computer dynamic simulation method of driver dynamic response behavior about graphic path information board
InactiveCN101556625AEasy to collect dataThe test process is fastDetection of traffic movementSpecial data processing applicationsDriver/operatorSide information
The invention relates to a computer dynamic simulation method of driver dynamic response behavior about graphic path information board. A simulation system provides more vivid fast road trip condition and a human-computer interaction interface which meets the human engineering principle for driver; the information of the trip condition comprises basic trip information, traffic flow operating state, GRIP information, vehicle azimuth information and other auxiliary information. The traffic condition and the GRIP information passed by the driver in the trip process are obtained by simulation of simulation mathematic model of macroscopic traffic flow of fast road network so as to lead the traffic condition passed by the driver in the trip process to be more real and increase the reliability of colllected response behavior data of the driver. The driver inputs the path selected by the mouse and the keyboard to the computer in the simulation trip process. The simulation method has the characteristics of low development cost, simple and convenient simulation test, easy operation, no limitation to test fields, fast test process and lower test cost and the like and can provide basic data for analysis and modeling of dynamic path selection behavior of the driver.
Owner:UNIV OF SHANGHAI FOR SCI & TECH
Calibration system and method for MEMS-MIMU (Micro-Electromechanical System-Miniature Inertial Measurement Unit)
InactiveCN104697549AHigh measurement accuracyHigh degree of automationMeasurement devicesData acquisitionData transmission
The invention relates to a calibration system and method for an MEMS-MIMU (Micro-Electromechanical System-Miniature Inertial Measurement Unit). The calibration system comprises a computer, a three-axis precision turntable and a data acquisition system, wherein a data input end of an inertial unit data acquisition board arranged in the data acquisition system is connected with the MEMS-MIMU by virtue of an RS485 interface, and a CAN bus is adopted as a bus transmission standard to realize data transmission with the computer. By using the calibration system and method, the control on the three-axis precision turntable and the data acquisition system can be realized by using only one computer, errors caused by manual operation are avoided, an experiment and a process of calculating error parameters can be carried out at the same time, and thus the working efficiency is improved.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI
Environmental protection equipment remote monitoring system based on Internet of things
ActiveCN106527315AMeet needsChange angleProgramme controlTransmission systemsHydraulic cylinderMonitoring system
The invention discloses an environmental protection equipment remote monitoring system based on Internet of things. The system comprises a housing, the housing is of a hollow structure, the housing is internally provided with an air detector, the two sides of the air detector are symmetrically provided with air inlet grids, the air inlet grids are arranged on the housing, the inner wall of the housing is provided with a fixation frame, and the fixation frame is arranged above the air detector. According to the invention, through additional arrangement of a rotation motor, a rotation shaft, a fixation block and the fixation frame, the fixation block can be rotated through the rotation motor according to the demand of a user, the direction of a pick-up head is changed, data is conveniently acquired, multi-angle installation of the pick-up head is avoided, and the equipment cost is decreased. Through additional arrangement of a support, a hydraulic cylinder, the rotary shaft, a movable rod and a pillar, the position of the movable rod can be changed through cooperation between the hydraulic cylinder and a hydraulic rod according to the demand of the user, the angle of the pick-up head is changed, the data is conveniently acquired, and the demand of the user is satisfied.
Owner:武汉明道泰和信息技术有限公司
Data acquisition method for signal synchronization acquisition system based on WiFi wireless and GPS time service
ActiveCN109246638AImprove effectivenessIncrease credibilityTransmission systemsParticular environment based servicesWireless transmissionStructure health monitoring
The invention discloses a data acquisition method for signal synchronization acquisition system based on WiFi wireless and GPS time service, belongs to the technical field of structure health monitoring, and solves the problems that a conventional data collection method is low in efficiency, is not synchronous in data and cannot achieve the synchronous and reliable combination of a wireless transmission mode and GPS. The method mainly comprises a method that a plurality of sensor nodes synchronously collect data at the same time and a method that the sensor nodes transmit the synchronization data to a terminal through a wireless transmission network WiFi. The method provides by the invention is simple in step, is easy to implement, is high in stability, and is of great significance to thefield of structure health monitoring technology.
Owner:YMC PIEZOTRONICS
Soft rock strength test needle penetration instrument and use method thereof
PendingCN109708985AEven by forceImprove the leveling effectMaterial strength using repeated/pulsating forcesFree fallingNeedle penetration
The invention, which belongs to the technical field of geotechnical engineering detection, provides a soft rock strength test needle penetration instrument and a use method thereof. The soft rock strength test needle penetration instrument comprises a needle penetration instrument body, a connection buckle and a tripod that are connected. An electromagnetic coil is electrified; a center penetration hammer moves upward under the effect of the electromagnetic field to accumulate potential energy; after power interruption, the center penetration hammer makes free falling body movement and the potential energy is converted into kinetic energy, so that the penetration needle is hammered to apply pressures on the soft rock; and the falling distance of the center penetration hammer is controlledbased on the currents and thus the instrument can reach balancing every time in force applying. With a tripod leveling instrument, circular leveling bubble observation is carried out, so that the leveling performance of the instrument in operation is improved; the experimental success rate is further increased; a pressure sensor and a displacement sensor are used for replacing the manual countingmethod of the traditional penetration instrument, so that the result accuracy is improved; with an external device, the hammer number of times of the center penetration hammer is controlled and data are read; and the intelligent degree is increased and data are collected conveniently and precisely.
Owner:YANGZHOU UNIV
Scanner system applied to three-dimensional data collection of human body
InactiveCN107126213ASimple structureReasonable designDiagnostic recording/measuringSensorsCushionThree dimensional data
The invention discloses a scanner system applied to three-dimensional data collection of a human body, which comprises a human body standing position cushion and a U-shaped lead rail; a slide base is arranged on the U-shaped lead rail, and the upper end of the slide base is fixed with a hydraulic cylinder; a lightweight frame body is supported on the hydraulic cylinder through a double-ejecting rod; the lightweight frame body is fixed with three optical three-dimensional scanners, and every optical three-dimensional scanner is composed of a rotating motor, a scanner shell body, a scanning head and a base; a long output shaft of the rotating motor is fixed with one side of a scanner shell body by crossing through the lightweight frame body, and the other side of the scanner shell body is fixed with the scanning head; the bottom end of the rotating motor is fixedly connected with the lightweight frame body through the base. The scanner system is simple in structure; three optical three-dimensional scanners are in reciprocating motion along the U-shaped lead rail; the three optical three-dimensional scanners can be linked and controlled to rapidly scan and collect through a computer, and then automatically assembled through the computer software; thus accurate and complete human body point cloud data is acquired; the scanner system provides basic information in need for realizing the intelligent medical treatment.
Owner:ANHUI ANTAI TECH
Method for evaluating construction quality of tunnel drilling and blasting based on three-dimensional laser scanning
InactiveCN102798412BReflect flatnessTimely determinationUsing optical meansGeomorphologyData acquisition
The invention relates to a method for evaluating the construction quality of a tunnel, and discloses a method for evaluating the construction quality of tunnel drilling and blasting based on three-dimensional laser scanning. The method comprises the following steps of: acquiring data by adopting a tunnel data acquisition module at first, and then processing the acquired data by adopting a tunnel data pre-processing module, building a tunnel three-dimensional model building module according to the processed result, performing post-processing by adopting a tunnel three-dimensional model post-processing module, and finally, evaluating the result by adopting a tunnel drilling and blasting quality evaluation module. The method discloses by the invention has the advantages of being wide in measurement range, strong in applicability, high in automation degree, and good in reliability.
Owner:TONGJI UNIV
Shape detection system and method of flexible tentacles
ActiveCN109955234AEasy to collect dataEasy to operateProgramme-controlled manipulatorKinematicsThree-dimensional space
The invention relates to the technical field of shape detection, in particular to a shape detection system and method of flexible tentacles. The shape detection system and method aim to be able to detect the real-time shapes of the one or more sections of flexible tentacles. The detection system comprises an industrial control upper computer, nine guyed displacement sensors, three controllers, a wireless Bluetooth communication module, a direct-current voltage-stabilized source, two buck chips and the controllers; the flexible tentacles are inflated; pulse signals are decoded and counted through the master and slave controllers STM32; length data of nine pneumatic muscles are wirelessly transmitted to the industrial control upper computer through the wireless Bluetooth module; and GUIDE inMATLAB software is used in the industrial control upper computer to make a serial assistant interface, a kinematics model of one section of flexible tentacle and kinematics models of the multiple sections of flexible tentacles are established, and the three-dimensional spatial shapes of the flexible tentacles are simulated. The requirements for detecting the three-dimensional shapes of the flexible tentacles in real time can be met.
Owner:HARBIN INST OF TECH
Method and special device for testing flowing performance of fabrics
InactiveCN103018245APrecise positioningEasy to compare and analyzeMaterial analysis by optical meansTest flowReciprocating motion
The invention relates to a method and special device for testing the flowing performance of fabrics. According to the invention, a slide block is driven to reciprocate along a straight-line track by a power mechanism through a transmission mechanism, wherein the slide block carries a powerful magnet which moves synchronously with the slide block; a sample clamping head clamps the upper end of a fabric sample and drives the fabric sample to reciprocate so as to generate flowing forms; a Hall sensor is arranged in a fixed position; when the powerful magnet passes by the Hall sensor, the Hall sensor sends a digital voltage signal to a microprocessor, the microprocessor controls a flash lamp to flash through a relay, meanwhile, the microprocessor drives a shutter of a camera to start so as to photograph the fabric sample, and then, flowing form images of the fabric sample at the moment that the Hall sensor is magnetically induced by the powerful magnet are obtained; and the flowing form images serve as foundations for the comparison and evaluation of the flowing performance of the fabrics. According to the method and the special device, a variety of fabric flowing waves can be obtained and serve as objective data for the comparison and evaluation of the flowing performance of the fabrics.
Owner:SHANDONG SILK TEXTILE VOCATIONAL COLLEGE
Method for evaluating reliability state of lightning arrester under different air water contents
ActiveCN112684274AEffective simulation of water content environmental conditionsPracticalElectrical testingWater vaporTester device
A method for evaluating the reliability state of a lightning arrester under different air water contents is characterized by establishing a test platform, wherein the platform mainly comprises the lightning arrester, a working current intensity parameter tester, a test box, an air water content analysis control device, an air water content sensor and the like; carrying out lightning arrester reliability state test under different water vapor contents in the air, and controlling and measuring the water vapor content environment in the air where the lightning arrester is located by the air water content analysis control device in the test box through the upper computer; and then carrying out a lightning arrester working current intensity parameter measurement experiment to obtain a lightning arrester reliability coefficient expression under different water vapor contents in the air, establishing an evaluation model based on the theoretical error integral coefficient, and further evaluating the reliability state of the lightning arrester. According to the method, the reliability state of the lightning arrester can be effectively analyzed and evaluated under the condition that the moisture content of the lightning arrester in actual air is obtained, and safe and stable operation of the lightning arrester in an actual complex environment is facilitated.
Owner:SOUTHWEST JIAOTONG UNIV
Load distribution based method for calculating recently planned annual line loss of medium-voltage distribution network
ActiveCN102033999BEasy to wear outSolving complex and time-consuming problemsSpecial data processing applicationsLoad distributionComputer science
The invention relates to a load distribution based method for calculating recently planned annual line loss of a medium-voltage distribution network. The method comprises the following steps of: (1) calculating a load distribution coefficient of a typical load distribution line; (2) calculating a load distribution coefficient of an actual line; (3) virtualizing a return line, wherein parameters related to line loss calculation are all average parameters, and the loss of the return line is used as the average loss of the medium-voltage line of the planning area; (4) calculating the loss of a trunk line of the virtual line; (5) calculating the loss of a branch line of the virtual line; and (6) calculating the loss of the medium-voltage line in the planning area. The method has reasonable design, solves the problem that the failure of acquisition of the load data of a recently planned annual distribution network causes difficulty in line loss calculation, realizes the quick estimation ofthe line loss of the whole planning area and has the characteristics of simple operation, easier obtaining of collected data and short calculation time.
Owner:TIANDAQIUSHI ELECTRIC POWER HIGH TECH CO LTD
A method for detecting the existing prestress of concrete bridge structure
ActiveCN104729870BVerify correctnessAvoid damageStructural/machines measurementMachine controlData acquisition
Owner:天津市市政工程研究院
Packaged stem sap-flow measuring device with protective structure
The invention provides a packaged stem sap-flow measuring device with protective structure, comprising a package body, tension springs and binding through holes; the package body includes two portionsin tubular symmetric structure; the lateral edges of the rear ends of the two portions of the package body are rotationally connected together through a hinging shaft; two stem sap-flow sensors are mounted at the upper and lower ends of the package body respectively in symmetric manner; a protective cover connected outward is fixedly connected to the outer edge of each of the upper and lower endsof the package body. The packaged stem sap-flow measuring device with protective structure has the advantages that jacket bands and the protective covers are provided, the jacket bands are made withpolyethylene fiber, and therefore, the weight of the whole device can be reduced, and stress upon a stem can be reduced; seven buffer posts in arc shape are connected between the outer edges of the protective covers and the jacket bands, a stress buffer space is formed outside the stem sap-flower sensors, and the stem sap-flow sensors can be effectively protected.
Owner:JIANGXI NORMAL UNIV
Method for optimizing public bicycle station layout by applying GPS data of mobile phone
PendingCN111931968AReduce collection costsSave investigative resourcesForecastingCharacter and pattern recognitionSimulationRandom forest
The invention discloses a method for optimizing public bike station layout by applying mobile phone GPS data. The method comprises the following steps of (1) collecting GPS track data of passengers through an operator; (2) dividing the collected trajectory data into staying and moving trajectories, and dividing the moving trajectories into five trajectories including cars, bicycles, walking and the like through a random forest model; (3) extracting ODs of all bicycle travels, and establishing a probability sum model of all OD tracks by applying a geometric probability model; (4) setting the number of stations and the radius of a probability region according to the actual situation, and iterating the optimal central point positions of all probability regions by using PP-PSO; and (5) findingout the most suitable station position in the probability region. According to the method, bicycle requirements are separated, bicycle travel tracks are extracted, defects that in a previous method,a traffic mode is not detected, and an OD matrix is lacked are overcome, the defect that actual construction conditions are uncertain is overcome, and the optimality of public bicycle station settingis greatly improved.
Owner:SOUTHEAST UNIV
Effect verification method for locking circuit apparatus of pressure machine
InactiveCN106202750ANo costAccurate dataGeometric CADDesign optimisation/simulationHydraulic cylinderData acquisition
The invention discloses an effect verification method for a locking circuit apparatus of a pressure machine. The method is characterized by comprising the steps of performing modeling and simulation: performing modeling on the locking circuit apparatus of the pressure machine and a hydraulic pump by utilizing hydraulic element design first and then forming a hydraulic simulation system comprising the locking circuit apparatus of the pressure machine; setting parameters of the locking circuit apparatus of the pressure machine; setting parameters of the hydraulic pump; running the simulation system to obtain experimental data; generating a displacement curve of a hydraulic cylinder through the experimental data; and analyzing the effect of the locking circuit apparatus of the pressure machine according to the displacement curve of the hydraulic cylinder. According to the method, the hydraulic simulation system can be quickly generated through modeling and a model assembly system; the verification process is cost-free, accurate in data and quick and convenient in data acquisition; and the analysis is accurate and reliable.
Owner:谭琛
Electronic stethoscope based on piezoelectric film sensor
PendingCN111297393AEasy to recordEasy to analyzePiezoelectric/electrostrictive microphonesStethoscopeStored energyControl cell
The invention provides an electronic stethoscope based on a piezoelectric film sensor. The stethoscope comprises a pickup part and a holding part, and the pickup part comprises a piezoelectric film sensor used for collecting and converting to generate an electronic signal representing acoustic vibration and a common chamber used for increasing sound pickup; the holding part comprises a control unit used for controlling sound acquisition, receiving the electronic signal representing acoustic vibration and performing data analysis to obtain an analysis result, a display unit used for displayinginformation according to the analysis result and an energy storage unit used for providing electric energy for the control unit, the sensor and the display unit; and the pickup part is detachably connected to the holding part. According to the electronic stethoscope, a digital stethoscope is optimized, so that the structure of the electronic stethoscope is more convenient for a user to hold, the contact with a patient is avoided, and the subsequent cleaning work of an operator is facilitated.
Owner:仙居爱之声医疗科技有限公司
Test method for asphalt mixture pull-out test
PendingCN111595693AImprove accuracyEasy to collect dataMaterial strength using tensile/compressive forcesUsing mechanical meansRatchetWrench
The invention discloses a test method for an asphalt mixture pull-out test. In the present invention, the test method for the asphalt mixture pull-out test needs the following tools and devices: a pull-out tester is provided; an asphalt mixture sampler; a cleaning machine; a drying machine, a constant-temperature curing box, and an alternating current supply device; the method includes opening thepull-out tester; setting system parameters after startup, placing a drawing test piece in clamping openings of the upper clamp and the lower clamp, using a ratchet wrench for rotating a fastening bolt to clamp the test piece, starting the test can after the temperature of the constant-temperature temperature control box of the drawing test equipment reaches a set test temperature; and after the test is finished, enabling a computer to automatically collect and calculate a test result; the upper clamp mechanism and the lower clamp mechanism ensure that the fixed position of the drawing test piece is always in the center of the drawing force, and the heater and the condenser can keep the experimental environment temperature consistent with the experimental environment temperature during natural storage, thereby improving the experimental accuracy.
Owner:JILIN JIAPENG GRP
Automatic monitoring method for layered settlement of vacuum preloading foundation
PendingCN113529821AGuaranteed continuityGuaranteed real-timeFoundation testingMonitoring siteElectrical connection
The invention discloses an automatic monitoring method for layered settlement of a vacuum preloading foundation. The automatic monitoring method comprises the following steps that (1) the length and the width of a mounting base plate are determined; (2) a plurality of monitoring point positions are determined; (3) the burying depth and interval of each sensing unit in the monitoring point position are determined, and the assembly of the sensing units is completed; (4) a wiring ring is placed in a sliding cylinder, and the length of a pull rope is adjusted to complete the assembly of measuring units; (5) a mounting substrate is driven to a designed depth in a mode of being vertical to the ground; (6) each measuring unit is electrically connected with a signal transmitting unit and is fixed to the mounting substrate; and (7) a signal sending device collects electric signals output by an encoder and sends the electric signals to a signal collection terminal for processing and generating the settlement volume of each soil layer. Settlement of the soil layer drives the wiring ring to move downwards in the sliding cylinder, the pull rope is driven to generate displacement, linear displacement is converted into the electric signal through the encoder, then the electric signal is processed to generate the soil layer settlement amount, real-time monitoring is achieved, and continuity and real-time performance of monitoring data are guaranteed.
Owner:TIANJIN PORT ENG INST LTD OF CCCC FIRST HARBOR ENG +3
Wireless communication controller
InactiveCN101877163AFast communication speedEasy to collect dataRegistering/indicating time of eventsTransmission systemsGeneral Packet Radio ServiceOperational costs
The invention relates to a wireless communication controller and belongs to the technical field of wireless data transmission and processing. The wireless communication controller is characterized by comprising a data acquiring module and a data terminal module, wherein the two modules are in wireless connection through a general packet radio service (GPRS) network and the data terminal module is connected to a terminal server. The wireless communication controller has the advantages of high communication speed, convenient data acquisition, no need of complex operation and extensive wiring, low operation cost, long-term connection, real-time data transmission, stable quality, flexible and convenient use, high environmental adaptability, suitability for equipment for remote data transmission, good market effect and wide development prospect.
Owner:张学友
Semi-supervised learning image classification method and system, storage medium and computer equipment
InactiveCN114120032ALower the thresholdEasy to demonstrate directlyInstrumentsFeature extractionClassification methods
The invention provides a semi-supervised learning image classification method, which comprises the following steps of: creating a classification task, and triggering a training request of the classification task based on a plurality of sample data added to the classification task; in response to the training request, calling a large model to train the plurality of sample data so as to learn and obtain a target small model; wherein the large model is a pre-trained fixed model; and performing feature extraction on a to-be-detected image through the large model, and inputting a first output result of the large model to the target small model to obtain a second output result of the target small model after classification reasoning. The invention further provides a semi-supervised learning image classification system, a storage medium and computer equipment. Therefore, the classification model can be obtained through training and learning of a small amount of sample data, the threshold of artificial intelligence tasks is lowered, and actual operation experience service can be provided for artificial intelligence popularization education.
Owner:奇酷软件(深圳)有限公司
Natural disaster early warning system based on computer
InactiveCN111739258AGuarantee the safety of life and propertyReduce lossesHuman health protectionAlarmsEngineeringData store
The invention discloses a natural disaster early warning system based on a computer, which utilizes a sensor technology, a mobile internet technology and a big data and cloud computing technology to realize mass data storage and intelligent computing, and provides comprehensive living environment information service for government monitoring and early warning and the public. By utilizing a big data prediction technology, possible potential disasters in the natural environment can be predicted in advance so as to play a role in early notification and prevention. The intelligent natural disasterearly warning system based on big data can effectively guarantee the safety of public life and property, reduces the loss caused by natural disasters, and also provides convenience for related national departments to collect data. A sensor is used as a carrier, a cloud platform and a big data technology are used as service cores, information is transmitted to the government and the public infinitely, a solution of natural environment information collection and natural disaster prediction is provided for the government, and living environment intelligent service is provided for the public.
Owner:SHAANXI SCI TECH UNIV
Natural disaster early warning system based on wireless sensor
PendingCN110930650AReduce lossesGuarantee the safety of life and propertyAlarmsData storeLiving environment
The invention discloses a natural disaster early warning system based on a wireless sensor. The system comprises a sensor assembly, a cloud host, an early warning mobile phone, a central control system, a monitoring server, a fire extinguishing gate, a communication company server and a data server. Compared with the prior art, mass data storage and intelligent calculation are achieved through thesensor technology and the mobile internet technology, and comprehensive living environment information service is provided for government monitoring and early warning and the public. By means of thedata prediction technology, possible potential disasters in the natural environment can be predicted in advance so as to play a role in early notification and prevention. The intelligent natural disaster early warning system based on big data can effectively guarantee the safety of public life and property, reduces the loss caused by natural disasters, and also provides convenience for related national departments to collect data.
Owner:XINXIANG UNIV
Deep soil freeze-thaw process test system
ActiveCN102590468BReduce distractionsMove up and down flexiblyEarth material testingGraduated cylinderCold formed
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS
Runner leveling process of utility-type unit
ActiveCN105649851AImprove accuracyReduce computing timeHydro energy generationMachines/enginesMathematical modelMechanical engineering
A runner leveling process of a utility-type unit comprises the following steps: establishing a mathematical model with a runner, a suspension and a runner chamber as samples; by combining the computing function of an excel form, changing manual computation in the runner leveling process into automatic computation by means of the form, directly displaying results at angles by which each suspension top nut needs to rotate, and setting, by a program, that angle output values have directions: a positive direction in which each suspension top nut is screwed clockwise and downwards, i.e., the elevation of a corresponding blade is increased, and a negative direction in which each suspension top nut is screwed counterclockwise and upwards, i.e., the elevation of the corresponding blade is reduced. As a result, the runner leveling efficiency is greatly improved. The runner leveling process of the utility-type unit provided by the present invention has the advantages that the efficiency and accuracy in the leveling process are greatly improved by establishing the mathematical model and replacing the original manual computation with computer computation, and further, the quality and efficiency of inspection are improved.
Owner:CHINA YANGTZE POWER
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