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Method for preventing evacuation of plunger pump based on monitoring of output pressure
ActiveCN106438310AImprove protectionThe detection method is accuratePump testingPump controlData acquisitionEngineering
The invention relates to the technical field of monitoring of plunger pumps, in particular to a method for preventing evacuation of a plunger pump based on monitoring of the output pressure. The method relates to the plunger and an output pipeline, and is characterized in that a pressure data acquisition control device is arranged on the outlet pipeline; and a data processing method comprises the following steps that (1) the average value P0 of the output pressure is obtained, specifically, the output pressure setting tolerance delta P is set, the domain above a P0+delta P line is called a peak domain, and the domain below a P0-delta P line is called a valley domain; a peak domain counter A and a valley domain counter B are set correspondingly; the allowable difference value between the peak domain counter A and the valley domain counter B is the numerical value C; and an out-of-tolerance time counter D and an upper limit E are set; (2) pressure data Px is acquired; (3) abnormal data are removed; (4) the number of times of Px falling into the peak domain and the valley domain is calculated; and (5) whether the out-of-tolerance time D of the difference value between the peak domain counter A and the valley domain counter B exceeds a preset value E or not is judged, and if yes, an evacuation alarm is given out. Compared with a detection method in the prior art, the method is accurate and reliable, and false alarms are avoided.
Owner:JEREH OIL & GAS ENG
A method for preventing plunger pump from pumping out based on monitoring output pressure
ActiveCN106438310BImprove protectionThe detection method is accuratePump testingPump controlData acquisitionEngineering
Owner:JEREH OIL & GAS ENG
A pipe coupling detection device
The invention relates to a pipeline coupling detection device, which comprises an inner layer pipe, an outer layer pipe, a plurality of sets of detection assemblies and a data processor, wherein a pipeline and a pipeline coupling can penetrate through the inner layer pipe; the outer layer pipe sleeves the outside of the inner layer pipe; an annular mounting cavity is formed between the inner layer pipe and the outer layer pipe; the plurality of sets of detection assemblies are wound on the inner layer pipe at intervals, and are located in the annular mounting cavity; each detection assembly comprises a magnet exciting coil and a detection coil; the data processor is connected with the detection coils and is used for comparing induced electromotive force difference values in different detection coils; a preset difference value is stored in the data processor; and the data processor sends out a coupling signal only when the induced electromotive force difference value in any two detection coils is greater than or equal to the preset difference value. According to the pipeline coupling detection device, pipeline coupling misjudgment caused by pipeline shaking can be effectively avoided.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD
Gerocamium intelligent nursing system and method based on Internet of Things technology
InactiveCN103325080AAvoid harmDeep hurtData processing applicationsAlarmsVideo monitoringThe Internet
The invention discloses a gerocamium intelligent nursing system and method based on the Internet of Things technology. The Internet of Things technology and the behavior identification technology are combined in the gerocamium intelligent nursing system and method to monitor physiological information, attitude information and environment information of the old through a patient monitor and an environment sensor, and meanwhile, position information of the old is computed through RFID label information carried by the patient monitor. When abnormal conditions occur, a video monitoring network obtains sequence images of monitoring video of the old according to the position information of the old, behavior identification is conducted on the sequence images, and then whether dangerous situations occur or not is judged according to the behaviors of the old. By means of the grocamium intelligent nursing system and method, dual judgment is conducted when the old are in danger, danger warning accuracy is improved, and after setup is completed, the grocamium intelligent nursing system can run automatically, and therefore workload of nursing personnel is lowered and nursing quality is improved.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
Method for quickly and accurately detecting and tracking human face based on video sequence
InactiveCN102214291AQuick calculationDetection speedCharacter and pattern recognitionPattern recognitionFace detection
The invention discloses a method for quickly and accurately detecting and tracking a human face based on a video sequence, which relates to the technical field of mode identification. The method comprises the following steps of: 1, extracting a video frame image from a video stream; 2, preprocessing the video frame image, namely compensating light rays, extracting skin color areas, performing morphological processing and combining the areas; 3, detecting the human face, namely representing the human face by using Harr-like characteristics and detecting the human face by using a cascaded Adaboost algorithm with an assistant decision function; 4, establishing the characteristics of the human face, namely detecting the area characteristics of the detected human face and the shape characteristics of the edge profile of the human face; 5, tracking the human face, particularly tracking the human face by using a human face area characteristic model when an intersection does not occur in a human face area, and further matching when the intersection occurs according to the shape characteristics of the edge profile of the human face; and 6, extracting the sequence of a human face image. By the technical method, the human face can be detected and tracked quickly and accurately on the basis of the video sequence.
Owner:云南清眸科技有限公司
Automatic generating method for multi-lane vehicle track space-time diagram
ActiveCN103903019ALittle impact on accuracyHigh precisionImage analysisCharacter and pattern recognitionState of artSimulation
The invention relates to an automatic generating method for a multi-lane vehicle track space-time diagram. The method comprises the steps that firstly, a camera is utilized for obtaining internal parameters and external parameters of the camera through off-line calibration, an area of interest is set according to the actual monitoring requirement, and three virtual detecting belts are set at the upstream initial position of the traffic flow; secondly, the vehicle feature points are extracted based on the three virtual detecting belts, the feature point tracking and grouping correction are carried out according to vehicle grouping, the vehicle tracks are extracted in a high-precision mode, a longitudinal space-time track diagram of passing vehicles is automatically generated for each lane, and a transverse space-time track diagram comprising all lanes is generated; finally, whether it is in the lane line correction stage or not is automatically judged, wherein if yes, the lane line position is automatically corrected based on the track clustering method. Compared with the prior art, the method improves the robustness of the target luminance change, improves the precision of vehicle detecting and track tracing, is capable of well automatically correcting the lane line on line and avoids misjudgment on the lane number to which the vehicle track point belongs.
Owner:JIANGSU ZHONGHAI HUA HE ENVIRONMENTAL PROTECTION CO LTD
Abnormality determining method, and abnormality determining apparatus and image forming apparatus using same
ActiveUS20050154562A1Avoid misjudgmentDetermination can be decreasedDigital computer detailsNuclear monitoringImage formationOperation mode
An abnormality determining apparatus is capable of avoiding mistaken determinations due to the normal value of information obtained by an information obtaining unit differing according to the content of specific information such as the operating mode setting, and deterioration of the determination precision due to a change in the user of a detection subject. The abnormality determining apparatus comprises an information storage unit for storing normal index information serving as an index of a normal state of the detection subject, an information obtaining unit for obtaining a plurality of types of information, and an abnormality determining unit for determining the presence of an abnormality in the detection subject on the basis of the normal index information stored in the information storage unit, and the information obtained by the information obtaining unit. The information storage unit stores a plurality of normal index information having different values. The abnormality determining unit selects, at a predetermined timing, normal index information to be used to determine the presence of an abnormality in the detection subject from the plurality of normal index information.
Owner:RICOH KK
Voltage Detecting Device Of Assembled Battery And Assembled Battery System Comprising Same
InactiveUS20090309545A1Avoid it happening againAvoid misjudgmentCharge equalisation circuitCurrent/voltage measurementElectrical resistance and conductanceCapacitance
In the voltage detecting device according to the present invention, voltage detecting lines respectively extend from a plurality of voltage input terminals, a plurality of capacitative elements are respectively interposed on coupling lines each coupling two adjacent voltage detecting lines to each other, and the voltage detecting lines are connected to a voltage detecting unit. At least all the voltage detecting lines respectively disposed on the positive electrode side of the cells are each connected to ground via one or more disconnection detection resistors. The voltage detecting unit detects a disconnection on a wire between each of a plurality of voltage detecting points of the assembled battery and a plurality of voltage input terminals based on voltage inputted from each voltage detecting line.
Owner:SANYO ELECTRIC CO LTD
Touch screen and display device
ActiveCN103970392AReduce in quantityReduce areaNon-linear opticsInput/output processes for data processingCapacitanceTouch Senses
The invention discloses a touch screen and a display device. A plurality of self-capacitance electrodes are arranged on the same layer and independent to each other by means of the self-capacitance principle. Two or more self-capacitance electrodes arranged alternatively are connected with a frame of the touch screen through a lead and then connected with a touch detection chip through a corresponding periphery wire to perform touch position detection. When the human body touches the screen, the touch detection chip determines the touch position by judging changes of capacitance of the adjacent self-capacitance electrodes connected with different leads, and accuracy of touch sensing is achieved. By means of the mode that a plurality of self-capacitance electrodes which are not adjacent to each other are connected with one lead correspondingly, total quantity of the leads in the touch screen can be reduced effectively, the area of the touch blind region is decreased, and touch performance is ensured. In addition, due to decrease of the quantity of the leads, the quantity of the periphery wires corresponding to the leads is decreased, and design of the narrow frame of the touch screen is facilitated.
Owner:BOE TECH GRP CO LTD +1
High-precision maximum power point tracing method
ActiveCN101651436AOvercoming misjudgmentReduce energy lossPV power plantsPhotovoltaic energy generationObservation methodMppt algorithm
The invention relates to a high-precision maximum power point tracing method, which is an MPPT algorithm combining variable step-size optimization and a disturbance observation method based on power prediction, i.e. a variable step-size disturbance observation method based on the power prediction. The high-precision maximum power point tracing method can overcome the defects of the conventional disturbance observation method, the variable step-size disturbance observation method, and the like, solve the problems of failure judgment, local maximum power, and the like and quickly and precisely trace a maximum power point.
Owner:SUNGROW POWER SUPPLY CO LTD
Abnormality determining method, and abnormality determining apparatus and image forming apparatus using same
ActiveUS7110917B2Avoid misjudgmentDetermination can be decreasedNuclear monitoringDigital computer detailsInformation gainData mining
Owner:RICOH KK
Capacitive touching structure, embedded touch screen, display device and scanning method of display device
ActiveCN104035639AReduce in quantityReduction is not conducive to narrow bezel designNon-linear opticsInput/output processes for data processingCapacitanceDisplay device
The invention relates to the technical field of touching, in particular to a capacitive touching structure, an embedded touch screen, a display device and a scanning method of the display device. The number of wires in the self-capacitance touching structure is decreased, and the probability of occurrence of the problems that the narrow frame design is not facilitated and a touch blind area is large is decreased to a certain degree. The capacitive touching structure comprises a plurality of self-capacitance electrodes which are arranged on the same layer, area electrodes, first wires, second wires and touch detection chips, wherein the self-capacitance electrodes are located in at least two areas contained by the surface of a film where the self-capacitance electrodes are located respectively; the area electrodes are located in the areas respectively, and the area electrodes and the self-capacitance electrodes are located on the same layer; the first wires are connected with the self-capacitance electrodes, and each first wire is connected with at least two self-capacitance electrodes which are located in different areas respectively; the second wires are connected with the area electrodes, and the area electrodes located in the areas are electrically connected with the different second wires; the touch detection chips are connected with the first wires and the second wires.
Owner:BOE TECH GRP CO LTD +1
Object detection apparatus
ActiveUS20140139369A1Avoid misjudgmentPedestrian/occupant safety arrangementOptical detectionRadarImage detection
An object detection apparatus mounted in a vehicle, includes a first domain definition unit, a second domain definition unit, and a determination unit. The first domain definition unit defines a first object domain including a first detection point which is indicative of a position of a first object detected by using a vehicle-mounted radar. The second domain definition unit defines a second object domain including a second detection point which is indicative of a position of a second object detected on the basis of an image captured by a vehicle-mounted monocular camera. The determination unit determines whether or not an overlapping domain of the first and second object domains is present, and when it is determined that an overlapping domain of the first and second object domains is present, then determines that the first and second objects are the same.
Owner:DENSO CORP
Inter-class variance based MODIS forest fire point detection method
InactiveCN101592524AAvoid missed judgmentAvoid misjudgmentRadiation pyrometryCharacter and pattern recognitionBrightness temperatureOriginal data
The invention provides an inter-class variance MODIS forest fire point detection method, which comprises the following steps: pretreating original data required from an MODIS satellite receiving station, acquiring brightness temperature or reflectivity of each channel, and excluding illegal data; identifying image elements of cloud and water; identifying a smog mask; extracting potential fire points from excluded image elements of the cloud, the water and the illegal data; calculating inter-class variance yield of each potential fire point and effective background image elements in a background window; verifying fire points according to the threshold value of the inter-class variance and the smog mask; and outputting an MODIS image containing the fire points. By adopting lower threshold value, the potential fire points comprise true fire points as well as comprise certain false fire points of which the underlying surfaces have higher temperature so as to avoid omission; the threshold value of the inter-class variance is adopted to judge and remove the false fire points so as to prevent from being misjudged; moreover, information of the underlying surfaces around the fire points is considered fully, so that the method can adapt to different areas and seasons.
Owner:UNIV OF SCI & TECH OF CHINA
Fault detection device and method of asynchronous motor
The invention relates to a fault detection device and method for detecting an initial fault of a motor. The fault detection device comprises a voltage collection apparatus, a current collection apparatus, a signal collection system and a fault analyzing and processing system, wherein the voltage collection apparatus is used for collecting voltage signals of the motor; and the current collection apparatus is used for collecting current signals of the motor. The fault detection device is characterized in that the voltage collection apparatus and the current collection apparatus are connected with the signal collection system; the signal collection system processes collected voltage signals and current signals and then transmits to the fault analyzing and processing system; and the fault analyzing and processing system calculates, analyzes and processes data transmitted by the signal collection system so as to obtain the state information of the asynchronous motor. The fault detection method is used for measuring the voltage and the current of the motor and obtaining the fault indexes of turn-to-turn short-circuit faults, rotor broken faults and bearing faults according to a measuring result. The invention provides a foundation for analyzing the initial fault of the asynchronous motor and offers a proposal for the maintenance of the motor.
Owner:THE PLA NAVY SUBMARINE INST
Air conditioner and judgment method and device for air conditioner in defrost mode
ActiveCN103925675AAvoid misjudgmentImprove accuracySpace heating and ventilation safety systemsSpace heating and ventilation control systemsFrostEngineering
The invention provides a control method of an air conditioner in a defrost mode. The control method includes a judgment step, namely judging whether the rotation speed of an outdoor fan of the air conditioner equals to a target rotation speed or not when the air conditioner is in a heating mode; a detection step, namely starting to detect the current value in the outdoor fan when the rotation speed of the outdoor fan of the air conditioner is equal to the target rotation speed; a processing step, namely starting the defrost mode for defrosting when the variation trend of the detected current value increases. Correspondingly, the invention further provides a control device of the air conditioner in the defrost mode. By the technical scheme, timing that the air conditioner starts to defrost can be simply and accurately judged, the shortcomings like frost-free defrost is avoided, and user experience is improved.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
Vehicle shift inspection method and apparatus
InactiveCN101470801AImprove the recognition rateProcessing speedCharacter and pattern recognitionCurve fittingVisual changes
The invention relates to a checking method and a device of automobile deviation, wherein the method is mainly an image identification and processing procedure, wherein the image identification and processing procedure comprises the following steps: an image acquisition step which comprises utilizing an image pick-up device to extract image picture data, and a lane line identification step which comprises analyzing image picture data, distinguishing a lane line position, utilizing a quadratic curve to fit an equation, connecting a segmental lane line, and making a lane line predicating model, wherein the lane line predicating module which is got through utilizing the above steps is used to check automobile deviation, and is supplied for warning. The checking method of automobile deviation mainly comprises an image pick-up device which is used to extract road image information, a calculating platform which is used to analyze the road image information extracted by the image pick-up unit, and judges the corresponding relationship of a current automobile and a road, and a signal outlet unit which utilizes light, visual variation or sound to reach the behavior of warning. The invention can give off warning to prompt a driver to pay attention and reach the behavior of warning when an automobile does not normally run.
Owner:AUTOMOTIVE RES & TESTING CENT
Earphone and method for detecting earphone wearing state
ActiveCN103002373AAvoid misjudgmentAvoid Capacitance Value EffectsEarpiece/earphone attachmentsCapacitanceReference sensor
The invention discloses an earphone and a method for detecting an earphone wearing state. The earphone comprises a controller, a reference sensor, a state judging sensor and a memorizer memorized with production line testing capacitance values of the reference sensor and the state judging sensor, wherein the reference sensor and the state judging sensor are connected with the controller. The reference sensor and the state judging sensor are capacitance-type sensors, and the reference sensor is arranged at the position in the earphone isolated from the outside environment. When the earphone is started up, the controller confirms influencing parameters of the environment to capacitance values of the capacitance-type sensors according to a detected capacitance value of the reference sensor and a production line testing capacitance value of the reference sensor and judges the earphone wearing state according to the influencing parameters of the environment to capacitance values of the capacitance-type sensors, a detected capacitance value of the state judging sensor and a detected production line testing capacitance value of the state judging sensor. By means of the scheme, the erroneous judgment problem of the earphone wearing state of the capacitance-type sensors can be effectively solved.
Owner:QINGDAO GOERTEK
Automatic test system for digital integrated circuit
ActiveCN103837824AMeet testing needsSolve complex operationsDigital circuit testingTest efficiencyTest quality
The invention discloses an automatic test system for a digital integrated circuit. The automatic test system is composed of a tested chip, a test interface board, an integration module, a test module, a control module, a display module and an upper computer. The control module is connected with the upper computer. The test module is connected with the control module. A base pin of the tested chip is connected with the test interface board which is connected with the test module. The integration module is connected with the test module and the upper computer. The display module is connected with the control module and displays a waveform after final comparison by the aid of upper computer software, so that the automatic test for functions and performance of the chip is completed. The automatic test system is low in cost, easy to implement under laboratory conditions, easy and convenient to operate, high in development rate and capable of meeting the test requirements of small-batch products. According to the system, through an automatic test, the problem that operation is complex due to the fact that the number of test items is large in a manual test is solved, the test efficiency is enhanced, a misjudgment caused by artificial factors in the manual test is avoided, and therefore test quality is improved.
Owner:INST OF ELECTRONICS CHINESE ACAD OF SCI
Method and apparatus for testing surface defect
InactiveCN101256157AImprove detection efficiencyAvoid misjudgmentImage analysisOptically investigating flaws/contaminationTest objectAlgorithm
The invention relates to the testing field, which discloses a method and a device of surface detection of defect, the method includes the following steps: acquiring an original surface image; calculating gradient values of every pixel point of the original image along multiple directions respectively, taking a maximum value therein as a new gray value of the pixel point, obtaining a gradient image; if the gray value of the gray value pixel point is greater than the threshold value, then the gray value is evaluated as: the first gray value, otherwise is evaluated as: the second gray value, obtaining a binary image; refining the binary image, obtaining a single wired binary image, wherein, the single wired defective edge is included; converting the single wired defective edge into a close looped defective edge; in the original image, comparing the gray values between the pixel point in the close looped defective edge and the pixel point nearby the outside, if less than, the defect of the close loop is judged as surface defect. Using the technical scheme can achieve the automatic detection of defects in the tested object, which improves the testing efficiency.
Owner:INST OF IND TECH GUANGZHOU & CHINESE ACADEMY OF SCI +1
Pedestrian detection method
ActiveCN108038409AAvoid heavy calculationsAvoid misjudgmentBiometric pattern recognitionNeural architecturesImaging FeatureApproximate computing
The invention discloses a pedestrian detection method. Multiple times of convolution and pooling are performed on an input image through the pedestrian detection method based on a convolutional neuralnetwork; the features of the original image are extracted so as to obtain the corresponding feature graph of the original image; the corresponding feature graph after zooming of the original image isapproximately calculated through the image feature pyramid rules; a candidate window is generated through a region proposal network RPN; a candidate proposal window is further selected and summarizedaccording to the pedestrian size distribution in the candidate window; the corresponding weight of different scales of pedestrian targets on different scales of images is trained by using the training data having the tag; and the classifier network is trained. The summarized candidate window is solved, and the confidence obtained through the classifier and the set threshold are compared and finalpedestrian detection judgment is performed. Heavy calculation amount of obtaining the feature graph through image zooming calculation can be avoided by application of the image feature pyramid, and detection is performed on different feature graphs by using the weighing mode of different weights so that misjudgment and leak detection caused by single feature graph detection can be effectively avoided.
Owner:GOSUN GUARD SECURITY SERVICE TECH
Railway fastener abnormality detection system based on monocular vision and laser speckles
PendingCN107688024ADoes not increase imaging frame rateAdd Artificial TextureOptically investigating flaws/contaminationRailway auxillary equipmentEngineeringCarriage
The invention discloses a railway fastener abnormality detection system based on monocular vision and laser speckles. The railway fastener abnormality detection system is used for detecting whether fasteners are abnormal or not and comprises laser speckle projectors, area array cameras, a wheel encoder, an RFID detector and an industrial personal computer, wherein the laser speckle projectors andthe area array cameras are arranged above a bottom sleeper of a train body, the laser speckle projectors are positioned right above the fasteners and project laser speckles towards fastener areas perpendicularly, the wheel encoder is fixed on a rotating shaft of a wheel and connected with the area array cameras, the RFID detector is fixed below the train body, and the industrial personnel computerpositioned in a carriage is connected with the area array cameras, the wheel encoder and the RFID detector. The railway fastener abnormality detection system has the advantages that with mottled grains on the surfaces of the fasteners increased through the laser speckle projectors, image block matching precision can be improved and the three-dimensional topography of the fasteners is constructedaccurately, so that various abnormalities of different types of fasteners can be detected effectively.
Owner:成都精工华耀科技有限公司
Double-axis geomagnetic stall detecting method and double-axis geomagnetic stall detecting device
InactiveCN103632569AImprove detection accuracyAvoid misjudgmentIndication of parksing free spacesReal-time computingComputer science
Owner:雷振山
Maximum power tracking control method for monopole three-phase photovoltaic grid-connected system
InactiveCN101572417AFast trackAdaptableSingle network parallel feeding arrangementsPhotovoltaic energy generationDifferential coefficientDisturbance voltage
The invention belongs to the field of application of photovoltaic power generating system control technology, and relates to a maximum power tracking control method for a monopole three-phase photovoltaic grid-connected system. The method comprises the following steps of: firstly, by testing voltage and current outputted by a photovoltaic array, working out a differential coefficient k of the output power to the voltage of the photovoltaic array and a change rate delta k of the k; secondly, according to the k and an output Step1 of a fuzzy controller (an input is k and delta k, and the output is Step1), jointly determining the disturbance step length and direction of a disturbance voltage delta U which is superposed on a reference voltage U ref of a maximum power point of the photovoltaic array, and making the U ref quickly iterative and then converged at the optimal reference voltage corresponding to the maximum power point of the photovoltaic array under the current environment; and finally, realizing the quick and accurate tracking of the output voltage of the photovoltaic array on the U ref by a double closed loop control system consisting of a voltage PI controller and a synchronous vector current PI controller with feedforward compensation.
Owner:SOUTHEAST UNIV
Anomaly detection method and device
ActiveCN105718715AAvoid misjudgmentSpecial data processing applicationsInformaticsAlgorithmData science
The embodiment of the invention provides an anomaly detection method and device. The method comprises following steps of obtaining the history data sequence and the recent trend data sequence of performance parameters of a to-be-detected device; according to the history data sequence, calculating to obtain a first dynamic threshold range of an observing value at a current detection point; according to the recent trend data sequence, calculating to obtain a second dynamic threshold range of the observing value at the current detection point; then determining the dynamic threshold range of the current detection point according to the first dynamic threshold range, the second dynamic threshold range and a dynamic threshold selection strategy; and finally, judging whether the observing value of the current detection point belongs to the dynamic threshold range of the current detection point. According to the method, the dynamic threshold range of the current detection point can be determined through combination of the history data sequence and the recent trend data sequence of the performance parameters; different dynamic threshold selection strategies can be set according to different performance parameters; and the performance parameter anomalies of the to-be-detected device are prevented from misjudgment, underreporting and false alarm.
Owner:HUAWEI TECH CO LTD
Method for automatically positioning webpage Trojan mount point in Trojan linked webpage
The invention discloses a method for automatically positioning webpage Trojan mount point in a Trojan linked webpage and belongs to the field of computer security. The method comprises the following steps of: a) determining the Trojan linking webpage; b) acquiring a style sheet in the Trojan linked webpage, and performing script analysis on the scripts therein according to a step c); c) acquiringthe scripts in the Trojan linked webpage, outputting the positions of malicious scripts in a father webpage, wherein the malicious characteristics comprise: calling the objects of known bugs, containing malicious codes, opening malicious webpages, redirecting to the malicious webpages, and adding malicious webpages; and d) acquiring an embedded webpage in the Trojan linked webpage, comparing whether the website domain name is the same as the Trojan linked webpage for the embedded webpage determined to be subjected to Trojan linkage, if so, performing recursive analysis, otherwise, outputting the position of an embedded label in the father webpage. The method can be applied to the computer security, and comprises rapidly positioning the mount position of the webpage Trojan in the webpage to assist the website management personnel to rapidly remove the malicious contents contained in the webpage.
Owner:PEKING UNIV
Printing deviation measuring method, printing method and printing device for solar cell plate
ActiveCN102001242AHigh precisionQuick position adjustmentScreen printersUsing optical meansEngineeringSolar cell
The invention relates to a printing deviation measuring method, a printing method and a printing device for a solar cell plate. The deviation measuring method comprises the following steps of: A. measuring the actual position P1' of the solar cell plate at a waiting station after plate feeding, and calculating the position deviation delta P1 of the solar cell plate according to a preset position P1 of the solar cell plate; B. measuring the actual position M' of one station of a rotating work table at the waiting station and the actual position N' of the rotating work table after the rotating work table rotates to a printing station, and calculating the position deviation delta M and delta N of the station respectively on the waiting station and the printing station by combining the actual positions M' and N' with the preset position M of the waiting station and the preset position N of the printing station; and C. calculating the integrated position deviation delta P of the solar cell plate according to the position deviations delta P1, delta M and delta N in the step A and the step B. The invention regulates the position of a printing screen of the printing device according to the integrated position deviation delta P so that the positions of the printing screen and the solar cell plate are sufficiently coincided, thereby outstandingly enhancing the accuracy of final printing.
Owner:SUZHOU MAXWELL TECH CO LTD
Treatment method, device and system for remaining running mileage of electric vehicle
ActiveCN105235543AImprove operational efficiencyAvoid misjudgmentVehicular energy storageElectric propulsionElectricityElectrical battery
The invention discloses a treatment method, device and system for remaining running mileage of an electric vehicle. The treatment method comprises the following steps: acquiring historical energy consumption information of unit mileage of vehicles of which the types are the same as the type of a current vehicle, and current energy information of unit mileage of vehicles running within a region in which a current vehicle runs, wherein the vehicles of which the types are the same as the type of the current vehicle include the current vehicle; determining the current energy consumption information of unit mileage of the current vehicle in the current running region based on the historical energy consumption information of unit mileage of the vehicles of the same type, and the current energy information of unit mileage of the vehicles running in the same region; acquiring the environment temperature of the current running region, and determining the quantity of the remaining dischargeable electricity of a battery of the current vehicle according to the environment temperature; and obtaining the remaining mileage of the current vehicle according to the current energy information of unit mileage of the current vehicle, and the quantity of the remaining dischargeable electricity of the battery of the current vehicle. The method disclosed by the invention solves the technical problem that the remaining driving mileage of the electric vehicle cannot be accurately obtained.
Owner:BEIJING ELECTRIC VEHICLE
Overhead power transmission line running state assessment method based on bidirectional Bayesian network
ActiveCN103793853AGuaranteed healthy operationAchieve sufficiencyData processing applicationsCausal reasoningNetwork structure
The invention discloses an overhead power transmission line running state assessment method based on a bidirectional Bayesian network. The method can be used for conducting a real-time assessment on the running state of an overhead power transmission line. According to the method, a Bayesian network structure for the assessment of the running state of the power transmission line is constructed with various factors which influence the running state of the power transmission line serving as a condition attribute set and the running state of the line serving as a decision attribute, a conditional probability table is obtained according to sample training, and by utilizing the bidirectional reasoning technology dedicated to the Bayesian network, the running state of the line can be judged by means of causal reasoning, and the hidden danger of the state can also be recognized by means of diagnostic reasoning; when an assessment error exists, a self-feedback system can be used for conducting early warning and correction, an assessment database, the network structure and parameters can be modified dynamically in real time so as to be adapted to an update, and therefore healthy running of the power transmission line is truly guaranteed.
Owner:EXAMING & EXPERIMENTAL CENT OF ULTRAHIGH VOLTAGE POWER TRANSMISSION COMPANY CHINA SOUTHEN POWER GRID +1
Electric charging system and electric charger
ActiveUS20130127415A1Accurately determineAccurate calculationMobile unit charging stationsPropulsion by batteries/cellsElectrical batteryVoltage drop
There is provided an electric charging system in which an electric charger and an electric vehicle are connected by a charging cable. The electric charger calculates a voltage drop amount in the charging cable on the basis of a supplied current at the electric charger side and an electric resistance of the charging cable. The electric charger also compares a determination voltage with a supplied voltage at the electric charger side and determines that a battery has been charged to a fully charged state when the supplied voltage reaches the determination voltage. The determination voltage used for such full charge determination is updated by adding the voltage drop amount to a basic determination voltage that is set in advance.
Owner:SUBARU CORP
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