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72results about How to "Easy to track in real time" patented technology

Animal Tracking System

An animal tracking system is provided for remotely monitoring animal positioning. The system includes an implant device, a global positioning system, a network, one or more remote servers, and at least one wireless computing device. The implant device acts as a GPS receiver, calculating the animal's position and then transmitting the results to the remote server where they are stored in a database. Owners can remotely access the database via a software application installed on a wireless computing device. Users can select an acceptable roaming range for the animal, an acceptable range between the animal and other animals being tracked, a lack of movement, or substantial changes in body temperature. Additionally, the implant device can directly connect with the wireless computing device via a Bluetooth connection. In this way, the computing device can access or transfer data regarding owner contract info, and an animal's medical history.
Owner:JONES II JOHNNY

Cyber threat intelligence generation method and system

The invention provides a cyber threat intelligence generation method and system. The method comprises the steps of collecting text information of a network security event from a network by utilizing akeyword; classifying the text information by utilizing a classification model, and filtering the text information not belonging to any category; extracting a security entity in each piece of the textinformation comprised in each category, and generating a text abstract of each piece of the text information comprised in each category, and according to the security entities and the text abstracts,forming intelligence information; and clustering the text information with the same timestamps, obtaining class text information corresponding to the timestamps, obtaining all class text information,related to the same network security event, of different timestamps, and sorting the intelligence information corresponding to all the class text information related to the same network security event according to a timestamp sequence. An intelligence tracking system taking an event chain as a presentation form is formed, so that security personnel can track the security event in real time, and the manpower resource cost of intelligence collection is reduced.
Owner:INST OF INFORMATION ENG CHINESE ACAD OF SCI

Method and device for real-time online game, method and device for game watching, and system

The invention discloses a method and a device for real-time online game, a method and a device for game watching, and a system. The method and the device for the real-time online game, the method and the device for the game watching, and the system have the advantages that by sending game sponsoring information to a server, the range of game participators of an online game project is widened, and the limitation of contact persons on a self directory of a mobile device is broken, so the different-place matching game of a plurality of users on a network is realized; the starting and finishing of the game are controlled by the server, and the real-time game information corresponding to each game participator is received by the server, so the real-time tracking of the competitive state of each game participator in the game process is realized, and the game result is automatically received the first time after the game is finished; by utilizing a network device, the game information is found in real time, and the encouraging information is sent to the corresponding game participator; the different-place real-time game is realized, the real-time property of the game result is high, and the interesting and activity of all people participating in the sports are favorably improved.
Owner:HUNAN JIANCHENG INFORMATION TECH

Rapid analysis method and system for genomes of pathogenic microorganisms

The invention discloses a rapid analysis method for genomes of pathogenic microorganisms and a data analysis platform. The method provides typing and source-tracing functions of bacterial genome sequences based on a bacterial strain database system. A user can only set simple parameters and upload bacterial strain genome sequences. The system can feed back the MLST parting result of bacterial strains, medicine resistance and distribution of virulence genes within the shortest time and make reference to names of bacterial strains and provide phylogenetic trees of all bacterial strains which are uploaded by a user and arranged in a database. The method is suitable for the establishment of a data analysis platform for pathogeny microbiology which integrates study of genetics, genomics and phylogenetics. Compared with the conventional typing technology, the rapid analysis method and system for genomes of pathogenic microorganisms have the following beneficial effects: higher resolution is obtained; bacterial strains of the same clone can be accurately detected; the feedback speed of results is high; and the technology of efficient reference strain setting and genome SNP sequence mapping, data analysis results can be quickly obtained by a user, thereby facilitating real-time tracking and fast source-tracing of clonal spreads in pathogenic microorganisms.
Owner:ZHEJIANG UNIV

Method for estimating angle of arrival wave, and assigning form for wave packet

InactiveCN1917396AImprove performanceOvercome the disadvantage of configuring as a fixed valueSpatial transmit diversityTransmission control/equalisingForgetting factorSelf adaptive
In the invention, for the sub frame, repeat the following steps: according to the channel estimation of each user on each antenna, calculating the covariance matrix of antenna array channel matrix of each user; in the angular coverage of antenna array, calculating the uplink receiving power transients and the received power recursion average value; search the maximum value of the uplink received power recursion average value corresponding to each user; based on it, generating the downlink beam-forming weighted value to implement beam-forming; calculating the fluctuating value of the Direction of Arrival (DOA) estimation between neighboring subframes; according to the up and down threshold of the received power forgetting factor, using the fluctuating value of DOA estimation of each user to self adapt the corresponding forgetting factor.
Owner:ZTE CORP

GPS-based concrete transport vehicle monitoring system and method

PendingCN106899697AEasy to track in real timeTo achieve the purpose of locking the transport vehicleSatellite radio beaconingLocation information based serviceTransceiverGps receiver
The invention discloses a GPS-based concrete transport vehicle monitoring system, including a GPS vehicle-mounted terminal installed on a transport vehicle and a monitoring center located in a production base. The GPS vehicle-mounted terminal includes a GPS receiver, a GPRS transceiver module, a serial communication module, a control module, a backup power source and a peripheral device. The monitoring center includes a communication server, a monitoring terminal, a data server and a projector. In addition, the invention also provides a method for the GPS-based concrete transport vehicle monitoring system. The invention can not only track the vehicle moving route in real time and correct the wrong route of the vehicle in time, but also can quickly find that the oil of the transport vehicle is stolen, and can instruct the vehicle or directly lock the vehicle when the GPS vehicle terminal fails or is artificially destroyed, so that a large-scale transport fleet is effectively monitored, and the safety, the convenience and the high degree of automation are achieved. The scheme can be applied to the technical field of concrete production and transport management.
Owner:广西南宁嘉泰水泥制品有限公司

Target monitoring method for airport field monitoring system on basis of video recognition

The invention provides a target monitoring method for an airport field monitoring system on the basis of video recognition. A video target is matched with a monitored target by a target recognition and location technology and a technology of converting projections of video coordinates and projections of coordinates of the field monitoring system, and the target recognition rate of the field monitoring system is improved.
Owner:NANJING LES INFORMATION TECH

Trace positioning system and trace positioning method based on radio frequency tag

The invention belongs to the technical field of wireless communication and particularly relates to a trace positioning system and a trace positioning method based on a radio frequency tag. The trace positioning system comprises the radio frequency tag, a radio frequency identifier, an information processors and a background control center, wherein the radio frequency tag is worn on a monitored object and is used for transmitting a radio frequency signal and tag information to the radio frequency identifier and positioning the monitored object in real time; the radio frequency identifier is used for receiving the radio frequency signal and the tag information, calculating distance information of the radio frequency tag and the radio frequency identifier according to an RSSI (Received Signal Strength Indication) value of the radio frequency signal, and transmitting the distance information and the tag information to the information processor; the information processor is used for calculating position coordinates of the radio frequency tag according to the distance information and the tag information; the background control center is used for establishing a monitoring map, displaying the position coordinates of the radio frequency tag on the monitoring map, and describing the motion trace of the monitored object according to the position coordinates of the radio frequency tag. The trace positioning system and the trace positioning method disclosed by the invention have the advantages of simplicity in positioning, convenience for implementation and convenience for real-time tracking and positioning of the monitored object.
Owner:SHENZHEN ZHONGKE XUNLIAN TECH

Method and system for suppressing hysteresis characteristics of piezoelectric actuator and medium

ActiveCN109557816AImprove hysteresis characteristicsSuppress hysteresisAdaptive controlHysteresisElectricity
The invention relates to a method and a system for suppressing hysteresis characteristics of a piezoelectric actuator and a medium. The method comprises the following steps of: acquiring output displacement generated by the piezoelectric actuator under an input voltage, and establishing a hysteresis model according to the output displacement and the input voltage; identifying parameters for the hysteresis model to obtain a target hysteresis model; and designing a fractional sliding mode controller according to the target hysteresis model, and controlling the piezoelectric actuator by using thefractional sliding mode controller. According to the method and the system for suppressing the hysteresis characteristics of the piezoelectric actuator and the medium, the hysteresis characteristicsare described by the relationship between the output displacement and the input voltage, and the relationship between the hysteresis characteristics and the piezoelectric actuator can be better described. The piezoelectric actuator is controlled by the fractional sliding mode controller to better suppress jitter of a sliding surface, and the calculation process is less and the calculation difficulty is low, which can ensure the real-time control for the piezoelectric actuator to a large extent. The control effect is better, and the hysteresis characteristics of the piezoelectric actuator during operation can be more effectively suppressed.
Owner:WUHAN INSTITUTE OF TECHNOLOGY

Transfer-alignment time-delay estimation method based on matching of speed and specific force

The invention discloses a transfer-alignment time-delay estimation algorithm based on matching of speed and specific force. The method is realized by: carrying out coarse alignment of a sub inertial navigation system by using an aligned main inertial navigation system, then taking the speed difference and the specific force difference of the sub inertial navigation system relative to the main inertial navigation system as filtering observed quantities, expanding the time delay amount of main inertial navigation information into a filtering system state variable, combining an error model of the sub inertial navigation system, using Kalman filtering algorithm to estimate the time delay, and to estimate a platform error angle of the sub inertial navigation relative to the main inertial navigation. The method is applicable in the conditions that the main inertial navigation and the sub inertial navigation are both platform type navigation systems, and the transfer alignment based on the matching of the speed and the specific force has a shorter time delay.
Owner:HARBIN ENG UNIV

Medical care location and warning method based on wireless sensor network

The invention discloses a medical care location and warning method based on a wireless sensor network, relates to a medical care location and warning method and aims to solve the problems that existing medical care location and warning systems are difficult to locate multilayer environments and are severely limited on network size and business expansion. A system for implementing the method comprises a control center, an anchor node and a portable patient terminal. The control center and the anchor node of each floor form a cluster, the control center is used as a cluster head and cyclically initiates an establishing process of a directed loop-free route of the cluster, the anchor nodes can not communicated by crossing floors, and the control centers are in a wired connection. The control center locate the patient terminal through the anchor node, when a patient has an abnormal physical signal, a warning is sent to the control center through the anchor nodes in a multi-hop mode, when the patient terminal is roamed to other floors, a report is sent to the control center of the floor through the anchor nodes in the multi-hop mode, and the control center of the floor informs the control center which the terminal belongs to. The medical care location and warning method based on the wireless sensor network is applicable to wards of a hospital.
Owner:HARBIN INST OF TECH

Well lid opening alarming method

The invention relates to a well lid opening alarming method. The method comprises the steps that firstly, a well lid opening alarming system is mounted on a well lid and is powered on; whether the well lid is opened or not is detected, if the well lid is not opened, the next processing is not carried out, and if the well lid is opened, the next step is executed; the well lid opening alarming system sends well lid information to a mobile phone of a worker through short messages or calls or an APP of the mobile phone; the well lid position is navigated and positioned by mobile phone well lid application software according to well lid information, and the route for reaching the designated well lid position is made; when the worker arrives at the scene, the worker signs in through the mobile phone well lid application software, the well lid failure condition is determined, and the well lid failures are treated; whether the operation treatment on the well lid failures is completed or not is determined according to the mobile phone well lid application software. According to the well lid opening alarming method, the worker can conveniently track information of the well lid condition in real time, the well lid failures are timely processed through navigation and positioning, and urban traffic safety and life safety of citizens are effectively ensured.
Owner:南京中井物联科技有限公司

Contactless power transmission (CPT) resonance frequency device based on digital signal processor (DSP) phase lock technique

InactiveCN102647183ASolve the problem that the efficiency will drop sharplyHigh precisionPulse automatic controlDigital signal processingCapacitance
The invention discloses a CPT resonance frequency device based on a DSP phase lock technique. The CPT resonance frequency device based on the DSP phase lock technique mainly comprises a power supply unit, an LC resonance coupler and a frequency tracking unit, wherein the frequency tracking unit comprises a digital signal processor (DSP), the pulse width modulation (PWM) input end of the DSP is connected with a power amplifier connected with the LC resonance coupler, inductors and capacitors of a primary coil and a secondary coil of the LC resonance coupler are arranged symmetrically, PWM waves produced by the DSP are converted to sinusoidal waves through second order filtering, input into the power amplifier, and outputs sinusoidal signals with certain power to the LC resonance coupler. According to the CPT resonance frequency device based on the DSP phase lock technique, signal output power of the power amplifier is controlled by PWM waves produced by the DSP, phase lock is achieved by utilizing the DSP, not only hardware circuits are simplified and cost is reduced, but also problems of burn-in, temperature drift and the like of devices in analog circuits are solved, and accuracy and speed of the phase lock are improved.
Owner:SHANGHAI MARITIME UNIVERSITY

Internet of Things-based pallet logistics management system

InactiveCN106327119AAccurately reflect usageReflect usageCo-operative working arrangementsLogisticsElectricityPrimary station
The patent application discloses an Internet of Things-based pallet logistics management system comprising at least one storehouse and at least one main station which corresponds to the store house in a one to one manner, the storehouse and the main station are equal in quantity, at least one pallet and substation are arranged in each storehouse, a detection device used for detecting a usage state of the pallet and an electronic label electrically connected with the detection device are arranged on the pallet, the electronic label on the pallet is wirelessly connected with a corresponding substation, the substation is in communication with the main station, and data received from the substation is transmitted to a management platform by the main station. Via adoption of the pallet logistics management system disclosed in a technical solution of the invention, all kinds of usage data of the pallet can be uploaded to the management platform, all kinds of management statement reports can be completed via information accumulation calculation by the management platform, usage conditions of all pallets can be reflected in real time accurately, pallet circulation processing efficiency can be greatly improved, and man-made operation errors can be reduced to a maximum degree.
Owner:王茂

Three-dimensional CBCT (cone-beam computed tomography) image denoising method on the basis of improved nonlocal means

The present invention discloses a three-dimensional CBCT (cone-beam computed tomography) image denoising method on the basis of improved nonlocal means. The three-dimensional CBCT image denoising method on the basis of the improved nonlocal means comprises: obtaining projection data of three-dimensional CBCT images having different angles, projection data of a three-dimensional CBCT image having an angle corresponding to a set of projection data of the three-dimensional CBCT images, calculating edge information of the three-dimensional CBCT images, and dividing background subblocks and texture subblocks of the three-dimensional CBCT images; respectively calculating a noise standard deviation of a background region and a mean of the average gradient values of the texture subblocks in the three-dimensional CBCT images; respectively calculating filtering intensity values of the projection data of the three-dimensional CBCT images having different angles according to the edge information, the noise standard deviation of the background region and the mean of the average gradient values of the texture subblocks in the three-dimensional CBCT images; and searching for other pixel points in the three-dimensional CBCT images similar to filtered pixel points, and calculating the similarity among other pixel points similar to the filtered pixel points to achieve the three-dimensional CBCT image denoising according to the filtering intensity values of the projection data of the three-dimensional CBCT images having different angles.
Owner:SHANDONG NORMAL UNIV

Vehicle and ship freight concealed quotation system and method

The invention discloses a vehicle and ship freight concealed quotation system and method. The system comprises a server module, a delivery information module, a concealed bid module, a GPS real-time tracking module, an insurance purchasing module, an invoice purchasing module, an evaluation module and a B / S query module. By use of the vehicle and ship freight concealed quotation system and method, enormous freight source information or vehicle and ship information can be easily obtained, freight owners and vehicle and ship owners are in direct contact, intermediate links are reduced, the logistics cost is decreased, malicious competition can be reduced, and market order is maintained.
Owner:HANGZHOU SHIFU INFORMATION TECH CO LTD

Internet-of-things expressway logistics management system and a use method

The invention discloses an internet-of-things expressway logistics management system and a use method.The system comprises a vehicle mangament module,a route management module, an order management module, a database and a cloud platform, a warning module and an intelligent terminal. The vehicle management module comprises a vehicle load detection unit; a vehicle operation detection unit and a vehicle maintenance unit, the route management module comprises a route planning unit; a route correction unit and a positioning monitoring unit, the order management module comprises an order query unit;The system is controlled through the intelligent terminal, real-time data collection can be carried out on the vehicle state and the transportation route in expressway logistics transportation, the order safety is guaranteed, order inquiry and later problem processing are carried out, orders can be conveniently tracked in real time, and order loss is avoided; The invention further provides a using method of the internet-of-things highway logistics management system, operation is convenient and fast, and popularization is convenient.
Owner:赖成龙

Medical garbage disposal system based on 5G technology and Internet of Things

The invention belongs to the medical field, and particularly discloses a medical garbage disposal system based on a 5G technology and the Internet of Things. The system comprises a medical garbage collection module, a medical garbage tracking module, a medical garbage disposal site management module, a medical garbage recycling and dispatching module and a general control management module. A plurality of scanning stations are arranged on a medical waste treatment and transportation line to track the medical waste treatment and transportation line; meanwhile, an integrated garbage collection,classification and treatment line is arranged, and an RFID tag is used as an information mark of garbage, so a transfer line of the garbage can be conveniently tracked in real time, related information such as transfer time and treatment places of the garbage can be conveniently input into the system, and medical garbage treatment information can be conveniently called at any time while unified supervision is facilitated; and meanwhile, a garbage recovery request of a hospital can be received and reported, and a garbage recovery frequency is increased under special conditions, so the problem of medical garbage retention is effectively solved, and medical garbage treatment is effectively supervised.
Owner:杭州憶盛医疗科技有限公司

Feeding and blanking device

The invention discloses a feeding and blanking device. The feeding and blanking device comprises a stock bin device, a first manipulator, and a second manipulator. The stock bin device is used for storing trays. The first manipulator is used for conveying the trays where to-be-detected products are placed to the stock bin device and moving the trays where the detected products are placed out of the stock bin device. The second manipulator is used for taking the to-be-detected products out of the trays of the stock bin device, placing the to-be-detected products on detection stations, then taking the detected products out of the detection stations and finally putting the detected products back into the empty trays of the stock bin device. The stock bin device comprises a first stock bin used for placing the trays which are conveyed by the first manipulator and loaded with the to-be-detected products, a second stock bin used for storing the empty trays conveyed by the first stock bin, and a third stock bin is used for receiving the empty trays conveyed by the second stock bin, and the detected products are put back into the original trays in the third stock bin. According to the feeding and blanking device, the trays can be properly placed, and the detected products can be put back into the original trays.
Owner:BOZHON PRECISION IND TECH CO LTD

Method for detecting metal magnetic impurities in positive electrode material

The invention discloses a method for detecting metal magnetic impurities in a positive electrode material. The method comprises the following steps: S1, putting a sample solution into a container, inserting a plastic round rod filled with a magnetic rod into the sample solution, and carrying out continuous stirring by using a stirrer in each of two sides of the plastic round rod to perform dynamicadsorption; S2, after stirring is finished, taking out the plastic round rod filled with the magnetic rod, firstly washing off physically adsorbed particles, then taking out the magnetic rod, and dispersing residual particles on the surface of the plastic round rod into a solvent A to obtain an adsorption solution; and S3, adding a hydrochloric acid aqueous solution into the adsorption liquid, carrying out stirring and filtering, taking a filter cake, and detecting the total particle number and the metal particle number. The magnetic rod can adsorb magnetic metal particles without dead angles, the physically adsorbed particles on the magnetic rod are reduced, and the purpose of rapidly and accurately detecting the magnetic particles in the positive and negative electrode materials of thebattery is achieved.
Owner:HEFEI GUOXUAN HIGH TECH POWER ENERGY

Logistics transportation transaction intelligent information processing system

The invention relates to the technical field of intelligent logistics transportation, and discloses a logistics transportation transaction intelligent information processing system, and comprises a logistics transportation transaction intelligent information processing system. The logistics transportation transaction intelligent information processing system is characterized that an information processing terminal is arranged in the logistics transportation transaction intelligent information processing system. According to the logistics transportation transaction intelligent information processing system, an information collection unit, an information storage unit and an information exchange unit are used for collecting, storing and exchanging information of a transportation route in realtime, so that the recording of logistics information along the way by an information processing unit is facilitated; information data is summated through a vehicle data transmission module and a running data transmission module, so that real-time feedback of vehicle logistics information by a mobile information processing module is facilitated; and logistics position information is transmitted toa vehicle information processing unit through a GPS positioning system, so that a logistics transportation vehicle can be conveniently tracked in real time, and the information transmission efficiency and accuracy of intelligent logistics can be improved.
Owner:魏大鹏

Position tracking method for autonomous vehicle

The invention provides a position tracking method for an autonomous vehicle. Data filtering is carried out by using a filter equation of the state of a nonlinear Gaussian system; and state predictionand state estimation are carried out by using nonlinear state function processing. Therefore, the target can be tracked continuously and the target motion model and the next motion state can be predicted. An effective tracking mode can be selected in the complex environment. A simple and feasible sampling point is substituted into the linear function to obtain a nonlinear function value point setso as to approximate the posterior distribution of the true value of the state from the perspective of the statistic amount, so that the accuracy is improved and the computational complexity is reduced.
Owner:LANZHOU JIAOTONG UNIV +1

Substation oil-filling equipment oil leakage rate monitoring system

The invention discloses a substation oil-filling equipment oil leakage rate monitoring system. A piezoelectric droplet measuring sensor collects oil drop dropping information when an oil drop at an oil leakage point passes through a sensor setting region; the oil drop dropping information is collected by an analog quantity AD interface and is input to a single-chip microcomputer; a lithium battery is adopted to supply power; and when the dropping speed is higher than a certain set value, leakage rate is calculated after circuit processing and single-chip microcomputer processing, and the leakage rate is sent to a set mobile phone through a GSM module in the form of a short message, thereby facilitating to carry out real-time tracking on the leakage trend, helping operation and management personnel of a substation to know the oil leak information of the oil leakage point in time so as to make decisions and take effective measures in time, and preventing the trouble of long-term repeated patrol of the operation and management personnel of the substation.
Owner:JIANGMEN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID

Supply chain management and control method for prefabricated building components

The invention discloses a supply chain management and control method for prefabricated building components, and the method comprises the steps: building a component block chain management platform, and inputting the number of each component; receiving a supply chain query request of a node, and verifying the identity of a visitor by using an asymmetric encryption algorithm in a network layer; if the decryption is correct by using the public key, querying and obtaining basic specification information of the component stored in the target block; reading related data of the current block by utilizing an intelligent contract stored on a block chain; enabling the server to obtain a conclusion, encrypt the information by using the corresponding private key, and return the information to the query end, and enabling the query end to decrypt the information by using the corresponding public key to obtain the information; and receiving evaluation information of each node on the supply chain, andstoring the evaluation information in the block chain. The method effectively ensures that the information in the building component supply chain is real and cannot be tampered; query and time tracking are more convenient; the responsibility definition is more accurate, and the management efficiency of the fabricated building component supply chain is improved.
Owner:HUAIYIN INSTITUTE OF TECHNOLOGY

Automatic feeding machine suitable for flat cable machining and application method of automatic feeding machine

The invention discloses an automatic feeding machine suitable for flat cable machining and an application method of the automatic feeding machine. The automatic feeding machine comprises a body frame, a feeding part, a circulating pivot part and an intelligent control part. The body frame comprises a pivot frame and an auxiliary frame. The pivot frame comprises a base, supporting columns, a first panel, a second panel and a top plate. The base is a first cuboid hollow container, and the four corners of the cuboid hollow container are each provided with one corresponding supporting column. The first panel, the second panel and the top plate are sequentially arranged on the supporting columns. The four corners of the first panel and the four corners of the second panel are each provided with a square open groove, the square open grooves are matched with the supporting columns, and the first panel is provided with a first rectangular through hole and an L-shaped through hole. Accurate feeding of flat cables in production of operators can be achieved, meanwhile, produced flat cable products are rapidly recycled, a large amount of time is saved, the labor cost is reduced, the working environment is optimized, and the product quality is ensured. Raw materials and the machining effect can be tracked in real time, and improvement of the machining technology and removing of defective products can be achieved easily.
Owner:安徽浩瑞电子科技有限公司 +1

Goods delivery data push apparatus and method for informationalized logistics service

The present invention relates to a goods delivery data push apparatus and method for informationalized logistics service. The goods delivery data push apparatus comprises a goods delivery data entry device which is used for entering the goods delivery data of goods transported by a vehicle, a vehicle identification device which is disposed on the vehicle and is used for identifying vehicle information, a plurality of vehicle information reading devices which are located at each node on a logistics route and are used for connecting the vehicle identification device to obtain the location of the vehicle, and a push service device which is connected with the goods delivery data entry device and the vehicle information reading devices and is used for receiving the goods delivery data and pushing the location of the goods based on the location of the vehicle. According to the goods delivery data push apparatus and method of the invention, the vehicle information reading devices and the logistics link are combined; and the push service device can precisely push the location of the goods according to the node distribution of the logistics link and association between the vehicle and the goods, and therefore, the smoothness of logistics information interaction can be improved.
Owner:上海大众祥云运输管理有限公司

A robot calibration method based on laser tracker

ActiveCN109048876BImprove calibration accuracyOvercome the problem that some D-H parameters cannot be reflectedProgramme-controlled manipulatorComputer visionLaser tracker
The embodiment of the invention relates to the technical field of industrial robots, and discloses a robot calibration method based on a laser tracker. It includes: sequentially controlling all axes of the robot to perform single-axis rotation, and obtaining the rotation axis J through the laser tracker N Turn E N times, and turn to F each time N The coordinate point group of the center of the target ball at the angle; according to the collected rotation axis J N The coordinate point group of the center of the target ball fits the trajectory circle, and the axis of the trajectory circle is used as the corresponding rotation axis J N The calibration axis equation of each axis of the robot is calculated according to the calibration axis equation of each axis of the robot to obtain the common perpendicular equation of any two adjacent axes in each axis of the robot; the D-H parameter of the robot is calculated according to the calibration axis equation of each axis of the robot and the common vertical line equation ; Calibrate the robot according to the calculated D‑H parameters of the robot. This embodiment overcomes the problem that part of the D-H parameters cannot be reflected in the modeling in the prior art calibration, so that the D-H parameters of the robot can be fully calibrated, and the calibration accuracy of the robot can be further improved.
Owner:SHANGHAI STEP ELECTRIC +1

Suction mechanism for laser welding

The invention discloses a suction mechanism for laser welding. The suction mechanism comprises a suction mounting seat and a suction nozzle arranged on the suction mounting seat; the suction mountingseat comprises a vertical mounting plate, a sliding mounting plate and a suction nozzle mounting seat; the vertical mounting plate extends in the vertical direction; the sliding mounting plate is connected with the side surface of the vertical plate mounting in a sliding manner, and the sliding mounting plate can slide back and forth, relative to the vertical mounting plate, in the vertical direction so as to be changed between a natural state and a buffer state; the suction nozzle mounting seat is fixedly arranged on the sliding mounting plate; and a suction nozzle mounting cantilever is fixedly connected to the side face of the suction nozzle mounting seat, the suction nozzle mounting cantilever horizontally extends outwards from the side face of the suction nozzle mounting seat, and thesuction nozzle is detachably arranged on the suction nozzle mounting cantilever. According to the suction mechanism, related parts are few, and the structure is compact, so that the mounting space, in the radial direction and the longitudinal direction, of the whole structure is kept small enough, and the accuracy of sucking a workpiece to be welded is favorably improved.
Owner:SUZHOU RS TECH

Sentry mutual assistance system based on individual feature recognition

The invention discloses a sentry mutual assistance system based on individual feature recognition. The sentry mutual assistance system comprises a live scene synthesis module, an eagle eye capture module, a display module and an early warning module. An illegal abnormal object image is picked out through an abnormity confirmation module so as to perform real-time monitoring. As for confirmation of the abnormal object image, the monitoring range is narrowed through two times of comparison different from a reference figure image and a release object image so as to guarantee the accuracy of sentry defense. The temporary access objects are highlighted through the eagle eye capture module, and the temporary access objects act as the monitoring objects to be displayed on the display module in a highlighted way so that tracking protection of the temporary access monitoring objects is facilitated and the safety of the monitoring area can be enhanced.
Owner:安徽众喜科技有限公司
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