38results about How to "Eliminate the interference of human factors" patented technology

The invention relates to a retail terminal goods shelf image intelligent analyzing system which comprises a sample collecting unit, a retail terminal target image collecting system, and a cloud intelligent image analyzing unit, wherein the sample collecting unit is used for collecting sample image information, the retail terminal target image collecting system is used for collecting image information of goods shelves at a retail terminal, and the cloud intelligent image analyzing unit comprises a feature extraction part, an image segmentation part, a pattern recognition part, and a data analyzing unit. The feature extraction part analyzes target images, obtains color feature data of sample images, and establishes a sample database by the utilization of the data. The feature extraction part further analyzes images collected through a target image collecting system and extracts color feature data of the target images at the retail terminal. The image segmentation part segments the target images to further recognize an outer frame of single goods. The pattern recognizing part recognizes goods of the target images. The data analyzing unit collects and/or analyzes information obtained through other parts in a cloud intelligent image analyzing system. Through the system, the retail terminal goods shelf image intelligent analyzing system based on the cloud processing method is capable of providing display and arrangement information of products quickly, reliably and in a low-cost mode.

The invention relates to a method and system for measuring the size of a flexible-packaging battery. The method includes the following steps: selecting a measuring region, arranging a plurality of pairs of longitudinal and transverse distance measurement laser heads on the upper side, the lower side, the left side and the right side of the measuring region respectively, respectively measuring the distances between corresponding positions of the surface of the battery and the longitudinal distance measurement laser heads through the longitudinal distance measurement laser heads, respectively measuring the distances between corresponding positions of the surface of the battery and the transverse distance measurement laser heads through the transverse distance measurement laser heads, recording time periods from the time when light emitted by the paired opposite laser heads located on the upper side and the lower side and/or the left side and the right side of the measuring region is initially separated by the battery to the time when the light is initially coincided, and respectively calculating the length, the width and the thickness of the battery according to data including the distances and the time differences. Laser measuring is adopted for the measuring method, full-automatic measuring can be achieved, the measuring results are traceable in datum, disturbance of human factors can be removed during measuring, and due to multi-point measuring, the accuracy can be 0.1 micrometer.

The invention relates to a battery size optical measurement method and system. The method comprises the following steps that a measurement background and a point light source are provided, a battery to be measured is placed between the measurement background and the point light source, the main surface of the battery to be measured is toward the point light source, the distance S0 between the point light source and the measurement background is measured, and the distance S1 between the point light source and the main surface, toward which the point light source is, of the battery to be measured is measured; the point light source is controlled to irradiate the battery to be measured, a first projection image of the battery to be measured is formed on the measurement background, and the size of the image is measured; and according to the distance S0, the distance S1 and the size of the first projection image, the size of the battery is computed. The measurement system comprises a point light source, a measurement background and a projection size measuring element. According to the method and system, optical projection imaging is used, the size of the battery can be computed by determining the image size, operation is easy, convenient, quick and efficient, accuracy is high, human factor interference is eliminated, and the misjudgment rate is reduced. Measuring results are accurate and reliable, data can be checked and retraced, monitoring and analyzing processing are convenient, and enterprise competitiveness is improved.

The invention discloses an automatic lithology identification method of a sedimentary rock, and belongs to the technical field of petroleum exploration and development. The method comprises that standard lithology element information is detected, a rock core lithology and element information database is established, the correlation between the element information of a lithology sample to be identified and the element information in the rock core lithology and element information database is analyzed, and the lithology is identified automatically according to the magnitude of a correlation coefficient. The element information is detected by a laser-induced breakdown spectroscopic technology, there is no restriction, the element information of any lithology of the sedimentary rock can be detected, and element information of a fine rock-debris rock sample that cannot be identified by naked eyes can be detected. The method can be used to identify the lithology of the sedimentary rock automatically, interference of artificial factors is eliminated, the accuracy is high, operation is simple, the method is suitable for any well logging site, and the benefit of oil gas exploration and development is improved.

The invention relates to a laser radar and millimeter-wave radar combined calibration method, which comprises the following steps that a corner reflector capable of moving along the vertical directionis arranged in a common sensing area of a millimeter-wave radar and a laser radar; the laser radar outputs point cloud information of a corresponding wire harness, obtains the space coordinates of the vertex of the corner reflector in a laser radar coordinate system according to the front-back space position relation of the corner reflector, and obtains the space coordinates of the vertex of thecorner reflector in a millimeter-wave radar coordinate system according to the original point cloud information output by the millimeter-wave radar; the corner reflector is moved to obtain multiple groups of calibration data of the corner reflector at different positions; and a corresponding relation between the laser radar coordinate system and the millimeter wave radar coordinate system is foundaccording to the calibration data. According to the invention, automatic calibration can be carried out, interference of human factors is eliminated, the calibration efficiency is improved, and large-scale deployment or mass production requirements can be met.

The invention relates to a hidden danger risk early warning method for a freight vehicle passing through a single-column pier bridge. The hidden danger risk early warning method comprises the following steps of S1, establishing a hidden danger risk analysis fault tree model; S2, converting the hidden danger risk analysis fault tree model into a Bayesian network model, performing quantitative risk analysis based on the converted Bayesian network model, and calculating a risk hidden danger posterior probability; and S3, establishing a hidden danger risk standard matrix and establishing a multi-level risk early warning system; Through combination of a fault tree model (FTA) and a Bayesian network model (DBN), a hidden danger risk quantitative analysis model for a single-column pier bridge to pass through an overweight and overload freight vehicle is constructed, and a risk standard matrix, a risk early warning threshold grade division standard and corresponding risk control measures are determined.

The invention discloses a hand brake valve on-line performance detection test bed control system which comprises an industrial personal computer PC, a data collection card AI module, an air pressure sensor, a data collection card DO module, a magnetic valve, an electrical proportional valve, a motion control card and a servo motor. The industrial PC is simultaneously connected with the data collection card AI module, the data collection card DO module and the motion control card, the data collection card AI module is connected with the air pressure sensor, the data collection card DO module is connected with the magnetic valve, and the magnetic valve is connected with an electrical control valve; the motion control card is connected with the servo motor, and the servo motor is used for controlling a handle of a hand valve; the air pressure sensor is arranged at an air outlet of the hand valve, and the electrical proportional valve is arranged at an air inlet of the hand valve. The hand brake valve on-line performance detection test bed control system can automatically carry out quick and stable testing on the sealing performance of the hand brake valve, interference of human factors in the process of testing is eliminated, and accuracy is improved greatly; meanwhile, the system improves data accuracy.

The invention discloses a detection method for the residual quantity of sulfur dioxide in food and Chinese herbal medicines. The detection method comprises the following steps: pretreating of a sample; putting the sample into an automatic distillation apparatus, adding a hydrochloric acid solution, then rapidly sealing the automatic distillation apparatus, starting a distillation program, absorbing distillate with a sodium hydroxide solution and completing blank control testing at the same time; and adjusting the absorbed liquid with an acidic solution until the absorbed liquid is neutral, then adding a sulfite fluorescence probe, carrying out a reaction for 25 to 35 min, then placing the probe in a fluorospectrophotometer for measurement and quantifying the content of sulfur dioxide in the sample through a standard curvilinear equation. The detection method provided by the invention employs the automatic distillation apparatus to replace a conventional glass distillation apparatus, is simple and reliable, substantially saves distillation time and reduces system errors; the detection method broadens the scope of matrixes for application of the sulfite fluorescence probe to detection of the residual quantity of sulfur dioxide in food; and the sulfite fluorescence probe has specific recognition effect on sulfite radicals, so the situation of interference in traditional detection method is overcome, and reliability and accuracy of detection results are improved.

The invention provides resin, a preparation method thereof and a process for preparing an ultra-pure rare earth oxide by using the resin. The resin is prepared from the following components in parts by weight: 80-120 parts of loaded resin XAD-4 and 40-60 parts of an extracting agent D2EHDGAA. The resin disclosed by the invention is relatively high in separation coefficient of rare earth oxide andrelatively good in impurity removal rate.

The invention relates to the technical field of equipment safety monitoring, and discloses a pulley online monitoring method and system, electronic equipment and a storage medium. A pulley can be accurately and effectively monitored in the working process of the pulley and the use safety of the equipment is guaranteed. According to the pulley online monitoring system, wireless passive sensors areattached to the outer surface of a disc on one side of the pulley, each wireless passive sensor comprises a piezoelectric transducer or a magnetostriction transducer, and each wireless passive sensorfurther comprises a wireless communication assembly. Each wireless passive sensor is used for detecting the deformation quantity of the pulley in the corresponding detection direction and sending outthe deformation quantity in a wireless signal mode under the driving of energy obtained based on the stressing of the wireless passive sensors; And a data processing device is used for receiving the wireless signals sent by the wireless passive sensors and determining whether the pulley is damaged or not according to the wireless signals sent by the wireless passive sensors.

The invention relates to the technical field of sprint timing, and discloses sprint timing portable equipment based on human body detection and pedestrian re-identification. The sprint timing portableequipment comprises a fixed base and starting equipment, the bottom of the fixed base is fixedly connected with a plurality of rollers, and the upper surface of the fixed base is fixedly connected with two manual telescopic rods; the invention also provides a sprint timing method based on human body detection and pedestrian re-identification, and the method comprises the following steps: S1, building equipment: building camera equipment and timing equipment at a proper position away from a terminal line; s2, placing equipment, namely placing the starting equipment at the starting point line;s3, collecting information. The equipment is good in flexibility and convenient to carry, automatic line-passing identification and running timing are achieved through pedestrian detection and pedestrian re-identification algorithms, interference of human factors is eliminated, the cost is reduced, videos of the whole running process are recorded, and the traceability of detection results is improved.

The invention provides a double-station sucker runout amount detection mechanism for an automobile compressor. The double-station sucker runout amount detection mechanism structurally comprises a fixing base assembly, a positioning base assembly, a displacement sensor assembly, a jig table lifting assembly, a jig table rotating assembly, a pressing head assembly and a pressing assembly, wherein the pressing assembly is installed on the upper surface of the positioning base assembly, the pressing head assembly is installed below the middle of the pressing assembly, and the displacement sensor assembly is installed on one side of the upper surface of the positioning base assembly below the pressing head assembly; and the jig table lifting assembly is installed on the lower surface of the fixing base assembly, and the jig table rotating assembly is installed at the top of the jig table lifting assembly. The detection mechanism is high in automation degree, capable of being used in cooperation with an assembly line, high in compatibility, wide in application range and capable of effectively improving measurement precision, adopts a man-machine separation concept and a double-station design concept, and effectively improves the production efficiency; and rapid clamping can be achieved, the requirements of various products are met, and the compatibility is high.

The invention provides a data processing method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining accident data and production data of a target region in a target time period; according to the accident data and the production data, calculating at least one index for representing the accident death rate and the accident fatality rate of the target area; for each index type, obtaining an arrangement sequence of a plurality of indexes corresponding to the index type according to the size of the index of each region in the total region under the index type; according to the serial number of each index in the target area in the arrangement order and a weight preset for each index, calculating target data used for representing the security development condition of the target area; and sorting the target data of at least one region in the total region. By means of the method, the ranking of the safety development conditions of the multiple areas can be obtained.

The invention discloses a construction method for cooperative tensioning of a prestressed steel beam and a stay cable of a cover beam. The method comprises the following steps that 1, the prestressed steel beam in the cover beam is constructed and marked; 2, a beam body and a bridge tower are constructed; 3, the stay cable is mounted; and 4, the prestressed steel beams and the stay cables are tensioned cooperatively. The method is simple in step and reasonable in design, so the prestressed steel beams in the cover beam and the stay cables are tensioned in a coordinated mode, a beam body load is concentrated to a spherical hinge to be transmitted to the center of the cover beam and then counteracts the prestress of the cover beam, and the structure stress is more reasonable; problems of deformation of the capping beam, deformation of a central spherical hinge of the capping beam, unstable posture of a swivel bridge body and deviation of perpendicularity of a bridge tower are further reduced.