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720results about How to "Time-consuming to solve" patented technology

Automatic setting device of semiconductor cooler simulation PID temperature control circuit parameters

The invention discloses an automatic setting device of semiconductor cooler simulation PID temperature control circuit parameters. The automatic setting device of the semiconductor cooler simulation PID temperature control circuit parameters is characterized that a target of automatic setting is the simulation PID temperature control circuit parameters, a temperature control method is a simulation PID circuit, the target of temperature control is a semiconductor cooler, setting of a temperature index is input through an upper computer software interface, and the automatic setting process of the simulation PID temperature control circuit parameters is controlled by a microprogrammed control unit (MCU). The automatic setting device can effectively solve the problems that a debugging process of manual setting of the simulation PID temperature control circuit parameters is tedious and complex, and the debugging process of the simulation PID temperature control circuit parameters requires for debugging experience of debugging personnel; moreover, hardware does not need changing in the overall automatic setting process as long as the temperature control index needed by a semiconductor cooling system is input on the upper computer software interface, and the setting of the simulation PID temperature control circuit parameters with different temperature control indexes is benefited.
Owner:SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI

A method for analyzing fatigue life of steering knuckle

The invention discloses a method for analyzing the fatigue life of a steering knuckle, comprising the following steps: 1) obtaining the fatigue load of the steering knuckle; 2) carrying out uniaxial tensile material test on the use material; 3) if the fatigue load is under the static load condition, the elastic-plastic finite element analysis method is adopted to solve the problem; or, if it is the actual pavement load spectrum, the elastic-plastic finite element analysis is carried out on the points exceeding the yield strength by elastic finite element method and linear superposition method,and the modified stress-strain results are obtained. 4) analyzing the biaxiality of the obtained stress response in time domain to determine the load state of the steering knuckle; 5) calculating thedamage accumulation and life of steering knuckle. The present invention solves the problem of time-consuming finite element solution under the input of actual pavement load spectrum, at the same time, the stress and strain of the material entering the plastic phase are considered, so that the result is more accurate, and fatigue analysis is carried out by combining the static load condition or the single channel static load condition, and more references are provided in the design phase.
Owner:SOUTH CHINA UNIV OF TECH

Microbial bacterium agent for degrading Chinese kitchen refuses and preparing method thereof

The invention discloses a microbial bacterium agent for degrading Chinese kitchen refuses, which contains the components by mass ratio: protein degrading bacteria: starch degrading bacteria: fat degrading bacteria: cellulose degrading bacteria= (1-2):(1-2): (1-2):(2-3). Simultaneously, the invention further discloses a preparing method of the microbial bacterium agent. Aiming at components of refuses in domestic kitchens, the corresponding microbial bacteria are adopted for gradual degrading, finally the purpose of completely degrading the refuses is achieved, not thorough degrading and long time consumption of the traditional land filling mode and large secondary pollution and high energy consumption of the burning mode are avoided, and the microbial bacterium agent for degrading Chinese kitchen refuses and the preparing method of the microbial bacterium agent can meet the present low carbon, environmental protection and energy saving requirements.
Owner:田兴军 +1

Method, system and equipment for monitoring vehicles based on vehicle taillight detection

The invention discloses a method, a system and equipment for monitoring vehicles based on vehicle taillight detection. The method for monitoring the vehicles comprises the following steps of: sufficiently utilizing the color information and the motion information of vehicle lights; pairing tail lights by adopting a space symmetry strategy; identifying a single target vehicle; and introducing a position prediction mechanism for preventing the shielding condition of the tail lights of the vehicles so as to effectively prevent targets from being lost. The invention solves the problems of high time consumption and low accuracy when a morphological operator is computed in the traditional algorithm, prevents the complex computation, has higher processing speed, can meet the real-time requirements, greatly decrease the iterations of the algorithm, enhance the tracking efficiency and be convenient to apply to a real-time tracking scene.
Owner:云南中星电子有限公司

WEB side remote invoking optimizing method and system

The invention provides a WEB side remote invoking optimizing method. The method comprises following steps of 1, configuring and starting a registering center, a server and a client; 2, registering a service name in the registering center by the server; 3, subscribing the service name in the registering center by the client; 4, initiating a thread by the client so as to send request data to the server; serializing the sent request data and converting the request data into streams by the client; transmitting the request data to the server through a transmission protocol; 5, after the server receives the request data, deserializing and converting the request data into an object; then invoking corresponding service processing request data; informing the client; moreover, serializing a processing result and converting the processing result into streams; transmitting the processing result to the client; 6, after the client receives the processing result, deserializing and converting the processing result into an object; and executing a callback function, thus obtaining the processing result. The invention also provides a WEB side remote invoking optimizing device. According to the method and the device, the problem of time consumption resulting from thread wait is solved; and the service access efficiency is improved.
Owner:RETURNSTAR INTERACTIVE TECH GRP

Intelligent card charging system and method thereof

The invention discloses an intelligent card charging system and a method thereof. The system comprises: a network terminal for accessing the network to be switched into a charge interactive system, wherein the network terminal comprises a control unit for executing the communication between the charge interactive system and a preposed interface device; the preposed interface device for communicating with the intelligent card and providing an interface for the intelligent card to be switched into the network terminal, transmitting a received earmark order to the intelligent card to be charged,and returning a successful order after the intelligent card is successfully charged; and the charge interactive system for electronically paying, transmitting the earmark order to the control unit, and synchronously updating the remaining balance of an E-wallet of the intelligent card in an intelligent card business system. By using the invention, users can charge by themselves with a computer terminal at home, thereby saving time and being convenient.
Owner:BEIJING WATCH DATA SYST

Personality characteristic forecasting method based on voices

The invention discloses a personality characteristic forecasting method based on voices. The method includes the following implementation steps that personality evaluation and determination are carried out on multiple reference determination persons to obtain multiterm personality characteristic factor evaluated values; voice fragments of the determination persons are collected, multiterm acoustics prosodic characteristics are extracted, and multiterm statistical characteristic values are extracted; a voice personality forecasting machine learning model is built, the multiterm personality characteristic factor evaluated values of all the reference determination persons and the multiterm statistical characteristic values are respectively input into the voice personality forecasting machine learning model for training; the voice fragments of a determination person are collected, acoustics prosodic characteristics and statistical characteristics are extracted and input into the voice personality forecasting machine learning model to obtain the multiterm personality characteristic factor evaluated values corresponding to all terms of acoustics prosodic characteristics, and all the personality characteristic factor evaluated values of all the characteristics are weighted and summed to obtain and output the multiterm personality characteristic factor evaluated value of the determination person. The personality characteristic forecasting method has the advantages of being rapid in forecasting process and objective and accurate in effect, and forecasting material is easy and convenient to collect.
Owner:HUNAN UNIV

Structured entity recording method and device, server and storage medium

The embodiment of the invention discloses a structured entity recording method and device, a server and a storage medium. The structured entity recording method comprises the steps that candidate entities related to structured entities to be recorded are selected from a knowledge graph, the structured entities to be recorded are determined as associated entities according to priori attribute information of the type to which the candidate entities belong and a preset model, the associated entities and the candidate entities are merged, and the associated entities are recorded into the knowledgegraph. According to the embodiment of the invention, the problems are solved that when an existing knowledge map records entities, since entity analysis is conducted on existing entities in the knowledge graph once in the process of adding one entity, the calculation amount is large, the consumed time is long, and the accuracy of entity analysis is not high; the candidate entities are selected, and then prior knowledge is utilized to fuse the preset model so that the efficiency and accuracy of entity association can be effectively improved; the calculation amount is reduced, and therefore theknowledge graph can easily and efficiently record the structured entities.
Owner:BEIJING BAIDU NETCOM SCI & TECH CO LTD

Method for identifying key proteins in protein-protein interaction network

The invention discloses a method for identifying key proteins in a protein-protein interaction network. According to the method, an undirected graph G is constructed according to the protein-protein interaction data, and the edge clustering coefficient of the graph is calculated. Compared with the prior art, the method provided by the invention has the advantages of combining the gene expression profile data and the gene function annotation information data on the basis of considering the topological structure characteristics of the protein-protein interaction network, and integrating three groups of data to predict the key proteins, so that the influence caused by the data noise of a single data source on the prediction correctness can be effectively decreased, and the key proteins in the network can be predicted through the key protein characteristics embodied by three types of data, such as the edge clustering coefficient in the protein-protein interaction network, the Pearson's correlation coefficient of the gene expression value and the gene function similarity index. According to the method, the identification correctness of the key proteins in the protein-protein interaction network can be remarkably improved, and abundant key proteins can be predicted once, so that the problem that the biological experiment method is high in cost and time-consuming is solved.
Owner:EAST CHINA JIAOTONG UNIVERSITY

Sample pretreatment method for detection of organochlorine pesticide residue in food

The invention discloses a sample pretreatment method for detection of organochlorine pesticide residue in food and is characterized by comprising the following steps: water is added to a food sample, sample solution is swirled, and then inorganic salt and hydrophilic organic solvent are added to the sample solution, the sample solution is swirled and shaken uniformly, the sample solution undergoes phase splitting after centrifugation at room temperature, the upper-phase liquid is purified through dispersion solid-phase extraction method, the extraction temperature is 20-30 DEG C, and finally the upper-phase liquid is detected by gas chromatography; and the mass percent of the inorganic salt accounts for 5%-35% of the total mass of the system, the mass percent of the hydrophilic organic solvent accounts for 10%-50% of the total mass of the system, and water is of the residual amount, and the total mass of the system is the mass sum of water contained in the sample, the added water, the inorganic salt and the hydrophilic organic solvent. According to the sample pretreatment method, a dual-water-phase system consisting of the hydrophilic organic solvent, the organic salt and water is utilized, the partition coefficient is increased by means of changing the types and concentrations of the organic solvent and the inorganic salt, and the organochlorine pesticide residue in the sample can be directly extracted at room temperature.
Owner:YANTAI UNIV

Integrity check method for large video file

The invention discloses an integrity check method for a large video file. A data file is subjected to integrity check based on a mini disk (MD) 5 algorithm. The method comprises the following steps of: extracting a target MD5 fingerprint of the large video file, comparing the target MD5 fingerprint with a source MD5 fingerprint and determining that the file integrity condition is normal if the target MD5 fingerprint and the source MD5 fingerprint are the same, and is characterized in that: the large video film target MD5 fingerprint extraction comprises the following steps of: microchannel memory mapping, intelligent data slicing, parallel extracting of MD5 fingerprints of the sliced data and MD5 fingerprint synthesizing. The integrity check method has the advantages of overcoming the defects of long consumed time and low efficiency of checking the large video file by using the conventional MD5 code, rapidly and efficiently checking whether the file has the problems such as packet dropout, tampering, virus infection and the like and ensuring the integrity and usability of the data file.
Owner:成都东方盛行电子有限责任公司

Distribution network topology check and maintenance method

The invention discloses a distribution network topology check and maintenance method. The network comprises the steps that data related to a distribution network based on an electricity information collecting system are acquired; the distribution transformer outlet voltage is calculated when the influence of three-phase load unbalance is not considered; the correlation coefficient of the voltage curve of a powered transformer area under the same 10kV line is calculated, and the distribution network topology is checked; according to the topology check result, the correlation coefficient of the transformer area and the curve of the bus voltage of another substation is calculated to determine the correct substation to which the transformer area belongs; the correlation coefficient of the transformer area and the voltage curves of all 10kV outlet transformer areas is calculated to determine the correct 10kV line to which the transformer area belongs; and according to the GIS (Geographic Information System) information of the distribution network, possible misjudgment is corrected, and the maintenance of the distribution network topology result is completed. According to the invention, the problem of check result deviation caused by three-phase voltage unbalance of a distribution transformer in the prior art is solved, and the problem that a traditional manual mode is time-consuming and labor-consuming is solved.
Owner:STATE GRID CORP OF CHINA +1

Smart traffic management system

The invention discloses a smart traffic management system. The system comprises a navigation service platform, a cloud control platform and a vehicle terminal. Through the system, positioning precision can be improved to a centimeter level; and during vehicle travel, a dynamic track of vehicle travel can be monitored in real time (according to traffic laws), and real-time supervision and normalization on vehicle travel are realized; besides, a parking space in the periphery of a destination can be quickly found and remotely reserved, and therefore the problem that in the prior art, a guide route map of empty parking spaces in a large parking lot cannot be precisely provided, and consequently oil and time are wasted due to parking space finding with eyesight in the parking lot is solved; and moreover, it can be ensured that a highway does not need to be closed under abnormal weather conditions (rain, snow, freeze, etc.), whole-process real-time dynamic velocity limitation on abnormal-weather road segments can be realized, the safe distance between vehicles is limited in real time, and safe and smooth traffic on the highway is ensured.
Owner:邵沈齐

Radio frequency identification (RFID) technology-based public transport passenger flow information acquisition system and method

The invention provides a radio frequency identification (RFID) technology-based public transport passenger flow information acquisition system and a method. The RFID technology-based public transport passenger flow information acquisition system comprises a twin-core RFID card, a bus card-reading subsystem, a station card-reading subsystem and a passenger flow information analysis center. The method for RFID technology-based public transport passenger flow information acquisition comprises the following steps that when a passenger uses the twin-core RFID card as a bus ride card, bus passengerrecorded information is produced by the bus card-reading subsystem and is transmitted to the passenger flow information analysis center and station passenger recorded information is produced by the station card-reading subsystem and is transmitted to the passenger flow information analysis center; and the bus passenger recorded information and the station passenger recorded information are analyzed by the passenger flow information analysis center to form public transport passenger flow information. The RFID technology-based public transport passenger flow information acquisition system and the method can realize automatic acquisition of public transport passenger flow information, and solves the problem of complex processes of public transport passenger flow information acquisition, and long acquisition time. In addition, the RFID technology-based public transport passenger flow information acquisition method depends on a twin-core RFID technology, avoids the influences of man-made or ambient interference on counting, and improves reliability of public transport passenger flow information acquisition.
Owner:CHONGQING ACADEMY OF SCI & TECH

Simple matching method based on datum point

The invention discloses a simple matching method based on a datum point in a stereo vision system. The method comprises the following steps: introducing a characteristic light source transmitter into the stereo vision system; taking the datum point generated by a characteristic light source as a basic point, describing feature points in a reference coordinate system image according to a specific law (longitudinal arrangement); and by adopting a matching restraint rule, finding out the feature points matched with the feather points in the reference coordinate system image from an offset coordinate system image to realize simple, convenient and fast stereo vision matching. The stereo vision system using the method comprises a computer, two CCD cameras arranged on a support, and the light source transmitter arranged in the middle position of the two CCD cameras, wherein, the two cameras are placed in parallel, and the computer is installed with an image processing program. The simple matching method can avoid using a complicated stereo matching algorithm and improve real-time performance and practicability of the stereo vision system without increasing cost of the stereo vision system.
Owner:NANJING AGRICULTURAL UNIVERSITY

Blueprint generating method for integrated avionic system model aiming at architecture analysis and design language (AADL) description

The invention relates to a blueprint generating method for an integrated avionic system model aiming at architecture analysis and design language (AADL) description. The blueprint generating method includes the following steps: 1 modeling: building the avionic system model from bottom to top in an AADL modeling environment: 1.1 modeling a hardware structure; 1.2 modeling a software structure; 1.3 building a mapping relation model from software to hardware; 1.4 building a distributed system model which comprises a distributed software model, a distributed hardware model and the mapping relation model from software to hardware; 2 automatically generating a blueprint according to the avionic system model; and 3 enabling a user to upload a blueprint file to a target machine. The blueprint generating method solves the technical problem that time and labor are wasted and errors can be caused easily when the current users manually edit the blueprint file, automatically generates the blueprint in operation aiming at the avionic system model established by the AADL, prevents the users from manually editing the blueprint file and improves blueprint generating efficiency.
Owner:AVIC NO 631 RES INST

Multi-starting-point incremental three-dimensional reconstruction method based on large-scale disordered images

The invention discloses a multi-starting-point incremental three-dimensional reconstruction method based on large-scale disordered images. The method comprises the steps of performing image matching, constructing a matching relationship chart, selecting a reconstruction starting point, detecting an edge, performing multi-starting-point three-dimensional reconstruction and splicing a submodel. By means of a clustering strategy and an iteration drift strategy, an image pair which is suitable as starting points is adaptively selected from a disordered image set and reconstruction is performed simultaneously; before reconstruction, determining an optimal reconstruction sub-process of each image according to a layered shortest path first algorithm, and determining a reconstruction boundary; and obtaining a whole three-dimensional reconstruction model according to sub-models obtained in different sub-processes and splicing the common parts contained in the sub-models. The three-dimensional reconstruction method according to the invention has advantages of settling a problem of suspension in reconstruction process when a current scene comprises a plurality of non-overlapped parts, obtaining a whole three-dimensional model which is covered by the image set, preventing three-dimensional structure error caused by matching and transmission of error images, realizing parallel processing in reconstruction sub-process, and improving image reconstruction efficiency.
Owner:HUAZHONG UNIV OF SCI & TECH

Rubber product one-step injection, hollowing and vulcanization forming production method

The invention discloses a rubber product one-step injection, hollowing and vulcanization forming production method, which belongs to the technical field of rubber product processes. By adopting the rubber product one-step injection, hollow and vulcanization forming production method, the injection, hollowing and vulcanization procedures can be completed in a same mold cavity, the mold cavity comprises an upper half mold, a lower half mold and a mold core, the mold core sets a foundation for the hollowing of the mold cavity, after the hollowing, the condition for introducing the high-temperature high-pressure gas for the vulcanization can be satisfied, the injection molding, hollowing and vulcanization apparatus can be integrated, the heat loss caused by the procedure circulation and the procedure circulation cost in the prior art can be avoided, and the traditional defects of the traditional rubber product production process such as re-pressurizing, heating, energy consumption, time consumption and high cost can be solved.
Owner:东营睿港招商服务有限责任公司

Micro-service test method and device

The embodiment of the invention discloses a micro-service test method and device. The method comprises the steps of establishing a public environment and project environments, wherein the public environment comprises a current version of at least one piece of micro-service, and the project environments comprise an updating version of the at least one piece of micro-service; preferentially judgingwhether to-be-called micro-service exists in the project environments or not when any micro-service calling request is acquired in a test process of to-be-tested target micro-service; and performing the calling request from the project environments if the to-be-called micro-service exists in the project environments, and performing the calling request from the public environment if the to-be-called micro-service does not exist in the project environments. According to the embodiment of the invention, the target micro-service can be rapidly tested, and the test efficiency of the micro-service can be improved.
Owner:上海云犀信创网络科技有限公司

Notch defect detection method for flexible IC package substrate line

The invention discloses a notch defect detection method for a flexible IC package substrate line. The method comprises the following steps: obtaining target prior knowledge; extracting a boundary contour of a line of a flexible IC package substrate image to be detected to obtain a contour map; using the target prior knowledge as the constraint condition of Radon transform to carry out Radon transform on the contour map, extracting the boundary line in the contour map, and calculating a standard line width or a standard line space between the contours through the boundary line; determining a notch defect on the contour and a curve portion on the contour by aiming at each contour in the contour map; comparing the distance between each pixel point in the curve portion of each contour and thecurved portion of the next contour with the standard line space or the line width between the contour and the next contour, and determining whether the pixel point in the curve portion of the contourhas the notch defect or not according to the comparison result. The method can accurately and quickly detect the notch defects of the linear portion and the curve portion.
Owner:SOUTH CHINA UNIV OF TECH

All-terrain hybrid power chassis

The invention relates to an all-terrain hybrid power chassis, and belongs to the field of agricultural machinery. The chassis is characterized in that the chassis is in a symmetrical structure, and comprises a trolley body and four motion units with the same structural size, wherein each motion unit comprises a liftable driving wheel mechanism and a track swing arm mechanism; liftable driving wheels are driven by a hub motor; the track swing arm mechanisms are driven by rear wheels; power is provided by a diesel engine; four track swing arms are configured on the inner sides of wheels; and the track swing arm mechanisms can achieve rotation motion of tracks and can swing around central shafts of track driving wheels. The chassis has the characteristics of quick wheel motion, can adjust the lifting heights of the driving wheels, and can adjust a ground clearance; during transverse working in a sloping field, the lifting heights of the driving wheels on the left and right sides can be adjusted, and the levelness of a chassis frame is maintained, so that side turn of working machinery is avoided; and obstacle-crossing and climbing motion in a complicated farmland environment can be achieved by the track swing arms or compound motion of the track swing arms and the driving wheels.
Owner:NORTHWEST A & F UNIV

Electronic equipment and curved glass manufacturing method

The invention discloses electronic equipment and a curved glass manufacturing method. The electronic equipment comprises a glass panel, wherein the glass panel is fixedly connected with a frame body of the electronic equipment, and at least part of the glass panel is a curved surface; the glass panel comprises a first glass substrate and a second glass substrate; the first glass substrate is located above the second glass substrate, and the first glass substrate and the second glass substrate are tightly attached; a first part of the first glass substrate is a curved surface to form the curved surface of the glass panel.
Owner:LENOVO (BEIJING) LTD

Automatic reimbursement and auditing method based on rule engine and OCR

InactiveCN110599317AImprove the billing experienceReduce the amount of manual fillingFinanceCharacter recognitionElectronic documentSystem requirements
The invention provides an automatic reimbursement and auditing method based on a rule engine and an OCR. According to an automatic reimbursement method, OCR identification is introduced during employee reimbursement scanning. Various bill information of employee reimbursement is identified. The identification information is stored in a database. A verification rule configured in the rule engine inadvance is used for matching the identification information. Electronic receipt information is automatically filled in. The staff is reminded of non-standard filling points when the staff stores or submits the electronic receipt information. The reimbursement experience of the staff is improved, and the development, operation and maintenance cost is reduced. According to the automatic auditing method, the rule engine is mainly used for automatically auditing whether all reimbursement standards meet financial system requirements or not and whether the filled electronic document information isconsistent with the document image or not, the financial auditing efficiency and quality are improved, violation behaviors can be recognized, and tax-related risks and internal control risks are avoided.
Owner:HUNAN DATANG XIANYI TECH CO LTD +1

Fuzzy fractional order PID control method for speed regulating system of pump storage group

The invention, which belongs to the field of precise modeling and control optimization of the hydro electric generating set of the power system, discloses a fuzzy fractional order PID control method for a speed regulating system of a pump storage group. On the basis of a fractional calculus and a fuzzy control theory, a fuzzy fractional order PID controller for a pump storage group is established; modeling of a speed regulating system of the pump storage group is carried out, wherein a regulator model, an approximate elastic water hammer model of a conduit system, a total-characteristic-curve-based pump turbine model, and a generator and load model are established; and then a controller parameter is optimized by using a provided parallel gravitation searching algorithm. According to the control method, requirements of hydroelectric energy system simulation, power system analysis, and optimized pump storage group control can be met to the greatest extent.
Owner:STATE GRID CORP OF CHINA +2

Two-stage memetic based social network influence maximizing method

The present invention discloses a two-stage memetic based social network influence maximizing method. The implementing steps of the method comprise: (1) network clustering; (2) candidate nodes selection; and (3) finding out an important node set capable of maximizing the social network influence in the candidate nodes. The step (3) comprises: 1) determining an objective function; 2) constructing an initial solution population, and initializing individuals in the solution population by using a similarity based degree centrality method; 3) sequentially carrying out selection, and crossover and mutation operations on the individuals in the solution population, so as to obtain offspring individuals; 4) updating the solution population by using the offspring individuals; 5) locally searching the being updated solution population; and 6) determining whether the update is terminated, and if the number of iterations satisfies the preset number, performing the step 7), otherwise, returning to the step 3). The method disclosed by the present invention can effectively find out the initial important node set capable of maximizing the influence range in massive social networks, and effectively solves the problem of social network influence maximization.
Owner:XIDIAN UNIV

Rapid network access installation and debugging system for intelligent terminal equipment and working method

The invention discloses a rapid network access installation and debugging system for intelligent terminal equipment. The system is characterized by comprising the intelligent terminal equipment, an APP enterprise client, an APP user side, an intelligent gateway and a cloud platform server, wherein the intelligent terminal equipment is associated with the intelligent gateway, the intelligent gateway is connected to the cloud platform server, and the APP enterprise client is connected to the cloud platform server; the APP enterprise client is installed at a mobile terminal with an information entry function, and the APP enterprise client is used for collecting and inputting an ID number of the intelligent equipment in a centralized manner; and the APP user side is used for operating an equipment look-up state of the installed intelligent terminal equipment and receiving a dynamic message. When a large number of renamed operations can be carried out during project construction, repeated manual operations and long elapsed time are solved, the installed intelligent terminal equipment can be accurately positioned, and batch installation, synchronous debugging and rapid renaming can be carried out.
Owner:NANJING IOT SENSOR TECH

Quick abutting and automatic welding equipment for tubular pile

The invention relates to the technical field of tubular pile welding, in particular to quick abutting and automatic welding equipment for a tubular pile. The equipment comprises a bed frame, a positioning adjusting mechanism, a guide rail, a welding trolley and a control system. The bed frame is fixed to the tubular pile, the positioning adjusting mechanism is mounted on the bed frame to abut twotubular piles quickly, the guide rail is mounted on the positioning adjusting mechanism, and the welding trolley is arranged on the guide rail and can move along the circumferential direction of the guide rail to weld the two tubular piles automatically. The equipment reduces the labor cost greatly, improves the welding efficiency and quality, and achieves quick welding and automatic welding.
Owner:上海雅跃智能科技有限公司

Multi-target tracking method and device

The invention provides a multi-target tracking method and a multi-target tracking device. Key points in a video image are extracted and tracked. Trajectories are formed for tracked consecutive N frames of key points. A certain similarity measure method is used to cluster the key point trajectories to form at least one complete target. A number of targets are continuously and accurately tracked in real time. According to the invention, a large number of tracked target trajectories are clustered; a number of targets are determined; the algorithm accuracy is taken into account; and the problem that the existing multi-target detection and tracking algorithm is time-consuming is solved.
Owner:BOCOM SMART INFORMATION TECH CO LTD
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