Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

340results about How to "Strong data support" patented technology

Intelligent monitoring system and method for area pollution discharge

The invention provides an intelligent monitoring system for area pollution discharge. The system includes an area pollution source intelligent environment on-line supervisory subsystem, an urban sewage conveying intelligent supervisory subsystem, a river drainage basin environmental pollution source intelligent supervisory subsystem and an information sharing layer, wherein the area pollution source intelligent environment on-line supervisory subsystem is used for monitoring a pollution discharge enterprise as a pollution source, the urban sewage conveying intelligent supervisory subsystem is used for monitoring a conveying pipeline, the river drainage basin environmental pollution source intelligent supervisory subsystem is used for monitoring an abnormal condition of a river cross section, and the three subsystems send monitoring data to the information sharing layer and utilize the monitoring data of the information sharing layer to determine the area, time and pollution source of an abnormal pollution discharge accident. Through the system provided by the invention, overall-process monitoring management from generation, conveying, purification to discharge of sewage can be realized, plenty of manpower and material resources are saved, operation is convenient and a result is accurate.
Owner:广东柯内特环境科技有限公司

Residual life prediction method for non-stationary degradation process with uncertain impact

ActiveCN107145645ADetermining Online Remaining Life Prediction ResultsIn line with the actual degradationDesign optimisation/simulationSpecial data processing applicationsExpectation–maximization algorithmReal systems
The invention provides a residual life prediction method for a non-stationary degradation process with uncertain impact and belongs to the technical field of reliability engineering. The impact effect is combined with a continuous degradation process, thereby more reasonably describing the actual degradation process. In a state estimation phase, a new online state estimation algorithm is provided to identify the real system state and to provide a necessary support for subsequent residual life prediction. In a parameter estimation stage, unknown parameters in a model are obtained by adopting an expectation maximization algorithm. For residual life production, the uncertainty of state estimation and the influence of the impact effect are considered at the same time, and an expression is analyzed to give a probability density function and a cumulative probability density function of residual life prediction distribution. The provided model meets the actual degradation condition, a more accurate residual life prediction result can be obtained, and the residual life prediction method is of great significance in fault prediction and health management in engineering.
Owner:ZHEJIANG UNIV +1

Operation monitoring system for electricity consumption information acquisition system and monitoring method thereof

The invention discloses an operation monitoring system for an electricity consumption information acquisition system. The operation monitoring system comprises an abnormality data recognition module, a data statistics module and an application release service module. An electricity consumption information acquisition system operation abnormality recognition model is established in the abnormality data recognition module. The abnormality data recognition module calls data from an acquisition database of the electricity consumption information acquisition system; the electricity consumption information acquisition system operation abnormality recognition model analyzes the data to judge and recognize metering devices which are abnormal and inputs recognized abnormality results into the data statistics module; the data statistics module is used for pre-counting the recognized abnormality results and storing statistical results in an application release server; the application release service module displays the statistical results according to set query conditions. The invention further provides an operation monitoring method for the electricity consumption information acquisition system. The operation monitoring system and the operation monitoring method have the advantages that operation abnormalities of the electricity consumption information acquisition system can be discovered and recognized in time, and various abnormalities can be queried conveniently.
Owner:STATE GRID CORP OF CHINA +2

Urban traffic track data set generation method based on taxi data and urban road network

The invention discloses an urban traffic track data set generation method based on taxi data and an urban road network, and belongs to the field of traffic transportation. The model is composed of a preparation layer, a generation layer and a verification layer. Track data of private cars are generated based on taxi data and urban road network information for the first time, and meanwhile a complete verification method is provided for verifying the accuracy of a generated data set. The invention provides an urban functional region division method based on an adjacent road division method. Theurban functional region division method comprises the steps of dividing a city into different functional regions; meanwhile, providing a regional population weight opportunity model, and a populationmovement mode can be more accurately depicted. In order to verify the authenticity and the accuracy of the method, a macroscopic angle-based model and a microscopic angle-based model are respectivelyprovided on a verification layer to verify the authenticity and the accuracy of a data set generated by the model. Through verification of the verification layer, the track data of the private car generated according to the taxi GPS data and the urban vehicle network information are high in authenticity and accuracy.
Owner:DALIAN UNIV OF TECH

Online prediction method for remaining life of electromechanical equipment under situation of two-stage degradation

The invention discloses an online prediction method for the remaining life of electromechanical equipment under the situation of two-stage degradation. The online prediction method can be applied to online service life prediction and health management of mechanical equipment and electric and electronic devices. The method comprises the steps that a Wiener process model serves as a basic degradation model of an object, and a degradation drifting coefficient is expanded into a state and described with a closed oblique Wiener process. A new algorithm is proposed to overcome prediction deviation caused by the Markovian feature of a common Wiener process. For state estimation in the online prediction stage, an iteration filter algorithm is proposed to obtain an analytical expression of updated states. On parameter estimation, a two-stage parameter estimation algorithm is proposed. An analytical expression related to remaining life prediction results is obtained by using updated states and parameters. The model proposed in the method better conforms to the general degradation rules, more accurate online remaining life prediction results can be obtained, and great significance is achieved on fault prediction and health management in engineering.
Owner:ZHEJIANG UNIV +1

Electric-transmission-and-transformation-equipment state monitoring data cleaning method based on time series analysis

The invention discloses an electric-transmission-and-transformation-equipment state monitoring data cleaning method based on time series analysis. The electric-transmission-and-transformation-equipment state monitoring data cleaning method includes the following steps: building an initial time series model of state data of electric transmission and transformation equipment, and estimating an initially-fit residual series and an initially-fit residual variance through the initial time series model; calculating the test statistics amounts of observing points through the initial time series model; judging whether the maximum value of the absolute values of the test statistics amounts is larger than a threshold value or not; calculating the test statistics amounts of the observing points through the modified model residual of the time series model, and judging whether new noise points exist or not by judging whether the maximum value of the absolute values of the test statistics amounts is larger than the threshold value or not till all the noise points are identified. The electric-transmission-and-transformation-equipment state monitoring data cleaning method has the advantages that the cleaning efficiency is high, the data integrity is kept, and the useful information of data is prevented from being lost.
Owner:STATE GRID CORP OF CHINA +1

Carbon emission evaluation method and system based on digital twinborn model

The invention discloses a carbon emission evaluation method and system based on a digital twin model, and relates to the technical field of engineering building carbon emission systems. The system comprises a plurality of client terminals, an application server and a database, wherein each client terminal is provided with a user operation interface for technicians to execute related operations such as carbon emission planning, feedback, query, monitoring, evaluation report generation and the like; the application server comprises a plurality of functional modules for carbon emission calculation and is used for data processing, algorithm analysis and interface query of the digital twin model; and the database is used for storing digital twin model information and basic data information. The invention is used for carrying out rapid evaluation, fine calculation and real-time dynamic monitoring on the carbon emission in the whole life cycle of the factory, carbon emission evaluation is carried out based on a digital management platform and non-specific industries, the repeated work of carbon emission calculation can be reduced, the carbon emission accounting efficiency in the whole life cycle of the factory is improved, and the carbon emission calculation fineness and accuracy are ensured.
Owner:TIANJIN CEMENT IND DESIGN & RES INST

Ground testing device for electrical element of rail vehicle and testing method of electric element

The invention discloses a ground testing device for an electrical element of a rail vehicle. The ground testing device comprises a frame, wherein an industrial personal computer is arranged in the frame; the industrial personal computer is respectively connected with a display, an I (input)/O (output) board card, a D (digital)/A (analogue) board card, an A/D board card and a printer; and the I/O board card, the D/A board card and the A/D board card are connected with a matrix unit circuit, and the matrix unit circuit is respectively connected with a program control multi-path constant current source, a program control voltage source, a voltmeter, an ampere meter and a tested experimental platform. The invention also discloses a method for testing an electric element by the testing device. More than 16 electric elements can be tested at the same time, and the testing process is automated. A configured test and control board card, a sensor and the like are high-speed and high-precision, high in reliability of tested data, can fast judge the condition of the tested object by matching with analysis software and artificial missing judgment or error judgment can be reduced, so that the test quality and labor productivity can be greatly improved, and the production cost can be reduced.
Owner:NANJING ZHONGCHE PUZHEN URBAN RAIL VEHICLE CO LTD

Motor and hydraulic pressure combined drive in-situ test device for structure properties of materials

The invention discloses a motor and hydraulic pressure combined drive in-situ test device for the structure properties of materials, and belongs to the technical field of material structure performance in-situ detection. The device comprises an outer frame, left-handed and right-handed ball screws, a moving base A, a moving base B, a sample chuck, a motor drive system and a hydraulic drive system. The device has good experimental equipment compatibility; servo motor and hydraulic pressure dual drive is adopted, tension or pressure force is large, and the strength range of the experimental materials is expanded; the moving distance of the sample chuck is long, and large deformation can be achieved; displacement and force detection precision is high; the deformation rate can be controlled, and displacement or force closed-loop control can be achieved. The device can be used independently or used in cooperation with X-ray diffraction equipment, the problem that only end state detection can be conducted in existing experiments is well solved, and material structure changes in a transient state and material structure changes at special strain points in tension and compression of the sample can be observed in situ.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI

Cold rolling flatness quality judgment method based on fuzzy algorithm

The invention relates to a cold rolling flatness quality judgment method based on a fuzzy algorithm. The cold rolling flatness quality judgment method includes the following steps: secondary function fitting is carried out on single measurement residual data of a plate shape gauge, a monomial coefficient and a quadratic coefficient of a fitting function are determined, and characteristic values of middle waves and edge waves are demarcated; secondary function fitting is carried out on the one fourth position of the single measurement residual data of the plate shape gauge, a quadratic coefficient is determined, and a plate shape characteristic value of the one fourth position is demarcated; adjacent difference comparison most value obtaining processing is carried out on all channel values of the plate shape gauge, and a local plate shape characteristic value is determined; a strip steel overall length comprehensive plate shape characteristic matrix is calculated through fuzzy algorithm processing; through a weighting algorithm, plate shape quality grades are determined. By means of the cold rolling flatness quality judgment method, under the condition that complex wave shapes are considered, accurate judgment on the flatness of a cold rolling plate can be carried out, and the judgment level of the cold rolling flatness can be improved.
Owner:UNIV OF SCI & TECH BEIJING

Electro-acupuncture therapeutic instrument simulating manual acupuncture technique and twirling acupuncture clamp thereof

The invention discloses an electro-acupuncture therapeutic instrument simulating the manual acupuncture technique. The electro-acupuncture therapeutic instrument comprises a control console with a display screen and keys. A control circuit is arranged in the control console. The electro-acupuncture therapeutic instrument further comprises an acupuncture needle, a twirling acupuncture clamp, an inserting and extraction acupuncture clamp, a single-pole electrode plate and a double-pole electrode plate, wherein the twirling acupuncture clamp is used for controlling the acupuncture needle to rotate in the circumferential direction of the acupuncture needle and powering on the acupuncture needle; the inserting and extraction acupuncture clamp controls the acupuncture needle to move in the axial direction of the inserting and extraction acupuncture clamp and powers on the acupuncture needle; the twirling acupuncture clamp, the inserting and extraction acupuncture clamp, the single-pole electrode plate and the double-pole electrode plate are connected with the control circuit in the control console. The electro-acupuncture therapeutic instrument can be used for simulating the traditional acupuncture operation method of reinforcing-reducing acupuncture by twirling, and electrotherapy can be conducted simultaneously in the twirling process; the combined therapy method can not be achieved through a traditional therapeutic instrument and a manual therapy, so a new thought is created for the acupuncture therapy; by the adoption of the electro-acupuncture therapeutic instrument, the traditional manual acupuncture therapy is changed into an automatic therapy method, and a powerful data support is provided for research on acupuncture.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

Urban drainage pipe network operation and maintenance method based on pipe network construction model and Internet of Things

The invention discloses an urban drainage pipe network operation and maintenance method based on a pipe network construction model and the Internet of Things. The method comprises the following stepsof: collecting urban drainage pipe network information; establishing the BIM model of the urban drainage network based on a BIM technology; establishing a B/S, M/S pipe network operation and maintenance platform based on a GIS technology; arranging the internet-of-Things intelligent sensing equipment at the front end of the pipe network through calculation of a pipeline hydraulic model so as to sense pipe network operation information; carrying out lightweight processing on the BIM model, uploading the BIM model to the B/S, M/S pipe network operation and maintenance platform, and superposing the BIM model into a GIS map; enabling the data obtained by the Internet-of-Things intelligent sensing equipment to be in one-to-one correspondence with the BIM model and the GIS map, and achieving thesharing and transmission of the data; performing drainage service workflow on a pipe network operation and maintenance platform, and performing pipe network operation and maintenance condition earlywarning and quality evaluation through Internet of Things monitoring and model calculation. The urban drainage pipe network operation and maintenance method based on the pipe network construction model and the Internet of Things is reasonable in arrangement, and refinement and scientization of drainage pipe network operation management and maintenance are achieved.
Owner:HUAJIANG CONSTR OF CHINA CONSTR FIRST BUILDING GROUP CORP +2

Industrial robot built-in wiring harness abrasion and accelerated abrasion test method and device

ActiveCN109580404AWear realAccelerated wear detectionInvestigating abrasion/wear resistanceImaging processingEngineering
The invention discloses an industrial robot built-in wiring harness abrasion and accelerated abrasion test method and device. No method and no device specially aiming at the abrasion test of a built-in wiring harness of an industrial robot exist in the prior art. The device provided by the invention mainly consists of a plurality of wiring harnesses, a camera, a simulated mechanical arm, a wiringharness joint motor, a camera space position regulating device, a multi-wiring-harness bundling device, a swinging motor, an installing seat, a holding hoop, a swinging arm, a simulation board, a simulation board swinging rotation device, a simulation board moving platform, an industrial personnel computer, a motor movement controller, a swinging motor driver, a step motor driver and an image collection card. The plane abrasion test or joint constraint abrasion test can be selected; the swinging amplitude and the swinging period of the swinging motor are controlled according to the wiring harness abrasion mode or the wiring harness accelerated abrasion mode; next, an imaging recognition technology is used for recognizing the wiring harness abrasion region due to simulation; the wiring harness abrasion and accelerated abrasion detection intelligence is realized; and the image processing process is simple and efficient.
Owner:HANGZHOU DIANZI UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products