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105results about How to "Simple data collection" patented technology

Processing method of cell phone signaling information for dividing traffic zones

The invention belongs to the technical field of acquisition and analysis of urban traffic data and particularly relates to a processing method of cell phone signaling information for dividing traffic zones. The processing method comprises the following steps of washing cell phone signaling data and eliminating abnormal data; matching base station position information corresponding to the cell phone data with a road; establishing traffic semantic classification based on the cell phone signaling information; selecting and distinguishing cell phone base station characteristics according to the condition of the traffic semantic classification; extracting the cell phone signaling information to obtain the cell phone base station characteristics; carrying out clustering analysis on the cell phone base station characteristics so as to divide the traffic zones. The operation of carrying out traffic zone division on cities by using the cell phone signaling data is consistent with the tendency of big data digging in current; semantic division has a simplification effect on actual class division of base stations, and the attributes of regions and the base stations can be effectively and automatically identified; the urban traffic zones can be rapidly and directly divided; the processing method has the advantages that the data acquisition is easy, the division cost is low and the division is rapid and direct.
Owner:BEIJING JIAOTONG UNIV

Device and method for measuring concentration of high-pressure combustion carbon black particles

The invention discloses a device and a method for measuring the concentration of high-pressure combustion carbon black particles. The device for measuring the concentration of the high-pressure combustion carbon black particles comprises a laser, a first attenuator, a light path collimation component, a first polaroid, a high-pressure sample chamber, a second polaroid, a focusing lens, a first optical filter, a linear array charge coupled device (CCD) image sensor and a computer. In the method, lasers with different wavelengths are successively emitted by the laser and pass through the high-pressure sample chamber, and the concentration of particles to be measured is obtained by measuring the light intensity of transmission light which passes through the high-pressure sample chamber and light which is taken as a reference light path and does not pass through the high-pressure sample chamber according to a Mie scattering theory. By the method, the concentration can be measured conveniently and quickly; the method has low requirements on instruments and equipment, the process of data acquisition and processing is simple, and the measurement range is relatively wider; moreover, measurement results are accurate, and the method is high in speed and repeatability, and can be popularized and applied in the field of particle measurement.
Owner:XIDIAN UNIV

System of visualized big data collection and analysis and file conversion and method thereof

The invention discloses a system of Visualized big data collection and analysis and the file conversion and method thereof. The system comprises data collection modules, data storage modules, analysis and calculation modules, rule processing units, visualized chart generating modules, wherein the collection module and the data storage module are connected together. The data storage module and the analysis and calculation module are also connected. The analysis and calculation module and the visualized chart generating module are connected. The rule processing unit and the analysis and calculation module are connected. The rule processing unit prestores the formats and algorithms for the data analysis and calculation. The technical scheme disclosed by the invention is characterized by the simple data collection and easy realization. The data collection can be finished with ease, simplicity and flexibility. At the same time the system achieves the automatic modeling for the convenience of data retrieving and using, which enables the direct copy of Excel file to the corresponding system model and to the database; besides the system also has the function of fast table calculation and the visualized chart coordination..
Owner:JIANGSU ZHONGWEI TECH SOFTWARE SYST

Online measuring method for high-voltage high-capacity asynchronous motor parameters

The invention discloses an online measuring method for high-voltage high-capacity asynchronous motor parameters. The online measuring method comprises the following steps of: connecting the single-phase alternating-current power output by a high-voltage frequency converter with the input ends of the two phases of an asynchronous motor to be measured; opening the input end of another phase of the asynchronous motor to be measured; setting four different frequencies of the output single-phase alternating-current power; measuring a voltage effective value and a current effective value at each frequency to obtain the forward-field impedance of the asynchronous motor at the four different frequencies; obtaining quaternion equations according to the relationship between the forward-field impedance of the asynchronous motor and power frequency, stator resistance, rotor resistance, stator leakage inductance and excitation inductance; and obtaining parameters of the asynchronous motor to be measured by solving the quaternion equations. According to the online measuring method, relevant parameters of the high-capacity high-voltage asynchronous motor can be measured conveniently and accurately on a user site by utilizing an asymmetric stable short-circuit experiment without disconnecting a load and a stall on a motor shaft.
Owner:HUBEI SANHUAN DEV

Individual driving behavior characteristic recognition method and device

The invention discloses an individual driving behavior characteristic recognition method. Vehicle positioning data of a current driver detected by a terminal is received; multiple conventional driving characteristic indexes are extracted from the vehicle positioning data; multiple mel frequency cepstrum coefficient MFCC characteristic indexes are extracted from the vehicle positioning data; and the conventional driving characteristic indexes and the MFCC characteristic indexes act as training samples, and modeling is performed by using a random forest classification method so that the driving behavior characteristic recognition model of the current driver is acquired. The invention also discloses an individual driving behavior characteristic recognition device. Modeling is performed by aiming at the vehicle positioning data of the current driver acquired by the terminal positioning function so that the data acquisition mode and acquisition equipment are simple and cost can be saved; besides, the driving behavior characteristic recognition model acquired through modeling can further reflect the individual driving behavior characteristics of the current driver so that the more accurate recognition effect can be acquired in the subsequent individual driving behavior recognition.
Owner:PING AN TECH (SHENZHEN) CO LTD

Fabricated type bridge hinge joint damage classification and grading evaluation method and system

The invention discloses a fabricated type bridge hinge joint damage classification and grading evaluation method and system. The method comprises the steps that the grade of an along-line highway where a detected fabricated type bridge is located is classified; a first displacement sensor and a second displacement sensor are arranged on beam bottom midspan sections of a left side plate beam and aright side plate beam of a hinge joint to measure the absolute displacement of the adjacent plate beams; a U-shaped displacement sensor is arranged between the adjacent plate beams to measure the relative displacement of the adjacent plate beams; a hinge joint damage length ratio and a plate beam relative displacement ratio are calculated out through a hinge joint damage length calculating moduleand a plate beam relative displacement ratio calculating module correspondingly; and based on the grade of the along-line highway where the fabricated type bridge is located, by combining the calculating result of the hinge joint damage length ratio and the calculating result of the plate beam relative displacement ratio, fabricated type bridge hinge joint damage classification and grading evaluation is carried out through a hinge joint damage evaluation module. Hinge joint damage can be judged by the fabricated type bridge hinge joint damage classification and grading evaluation method and system without traffic interruption.
Owner:YANGZHOU UNIV

Control method and system for double-valve heat pump system

The invention provides a control method for a double-valve heat pump system. The double-valve heat pump system is characterized in that a first electronic expansion valve and a second electronic expansion valve of the double-valve heat pump system are arranged in parallel, and the adjusting width of the first electronic expansion valve is smaller than that of the second electronic expansion valve;the control method comprises the following steps that the target temperature and the target superheat degree are set, the current environment temperature is detected in real time, and the actual superheat degree is obtained; when the current environment temperature is smaller than the target temperature, a small valve mode is started, and the first electronic expansion valve is started; when thecurrent environment temperature is larger than the target temperature, a large valve mode is started, and the second electronic expansion valve is started; and when the actual superheat degree is still greater than the target superheat degree after the opening degree of the second electronic expansion valve is the maximum opening degree, a big-small valve mode is started, and the first electronicexpansion valve and the second electronic expansion valve are started. According to the control method, adjusting precision of a refrigerant can be effectively improved, and the refrigerant adjustingrange is enlarged. The invention further provides a double-valve heat pump system.
Owner:GUANGDONG PHNIX ECO ENERGY SOLUTION

Complicated narrow space deep foundation underground engineering combined inclination measuring method

The invention discloses a complicated narrow space deep foundation underground engineering combined inclination measuring method. A sectioned form is used for descending a fender post (wall) steel barcage; a whole inclination measuring pipe is divided into at least two sections to be respectively put in corresponding geometrical positions of the steel bar cage; after the steel bar cage is stablyput, the inclination measuring pipe is rotated in the connector position for butt joint; the two sections of inclination measuring pipes are respectively subjected to data collection and calculation;the lower section of inclination measuring pipe uses a bottom rock entering position as a calculation starting point; the upward sequential analogy is performed to the sectioning position; the upper section of the inclination measuring pipe uses a pipe opening as the calculation starting point; before the measurement in each time, a total station instrument is used for collecting the pipe openingposition change quantity; after the pipe opening position modification, the downward sequential analogy is performed to the sectioning position; then, the integral error compensation is fit to obtainthe final continuous inclination measuring data. The method provided by the invention has the advantages that the installation, the data collection, the operation and the calculation are simple; the precision is high; the construction is convenient and economic; the method is applicable to narrow-space complicated narrow construction sites incapable of realizing one-step hoisting; the general applicability is realized.
Owner:HUNAN UNIV OF SCI & TECH

Flexible micro-column ring array for detecting clot contractility and preparation method and application thereof

ActiveCN111551701AHigh sensitivityStop the outflowBiological testingLaser beam welding apparatusClot retractionPlatelet contraction
The invention discloses a flexible micro-column ring array for detecting the contractility of a clot and a preparation method and application of the flexible micro-column ring array. The micro-columnring array is composed of a plurality of micro-column rows arranged periodically, each micro-column row is provided with a plurality of micro-column rings, and each micro-column ring is composed of four or more micro-columns forming a ring shape in a surrounding mode, wherein a circular pore with a certain diameter is formed in the micro-column ring, and when the contractility of the clot is detected, whole blood is dropped into the circular pore of the micro-column ring for blood coagulation detection. According to the invention, a whole blood sample is efficiently fixed in the micro-column ring by utilizing the interfacial tension of a solid-liquid-gas system and the resistance of the micro-column; meanwhile, the micro-column is used as a force sensor to measure the contraction force ofa clot in real time, the detection result is high in sensitivity and low in detection cost, and clinical transformation is easy; besides, platelets do not need to be separated from blood, whole bloodcan be used for detection, the influence of other components in the blood on platelet contraction is fully considered, and the result is more objective and comprehensive.
Owner:SHENZHEN UNIV

Method and system for establishing house live-action three-dimensional model by using public selfie panoramic data

The invention provides a method and system for establishing a house live-action three-dimensional model by using public selfie panoramic data. The method comprises the steps of: receiving house 360-degree panoramic data which are autonomously shot and uploaded by the public, and generating a house three-dimensional color point cloud by using the house 360-degree panoramic data; regularizing the house color point cloud, and selecting a wall surface; extracting a house plane graph based on the house point cloud; and displaying the 360-degree panorama, the plane graph and the three-dimensional model of the house in an associated manner. The method and the system enable the public to autonomously and quickly construct a live-action three-dimensional model of a house, and realizes low-cost, efficient and convenient three-dimensional visual digital expression of a house. By utilizing a 360-degree panoramic multi-view photogrammetry processing technology, the efficiency and accuracy of live-action three-dimensional model construction are remarkably improved, the cost of house live-action three-dimensional modeling and the workload of field data acquisition of professionals are reduced, crowdsourcing house three-dimensional modeling and visual expression are realized, and the method has a wide application prospect.
Owner:WUHAN UNIV

Jig calibration method for selective compliance assembly robot arm (SCARA) robot

The invention relates to the technical field of selective compliance assembly robot arm (SCARA) robots, and discloses a jig calibration method for a selective compliance assembly robot arm (SCARA) robot. The jig calibration method for the SCARA robot comprises the following steps of (1) horizontally arranging a big arm and a small arm, and determining that the SCARA robot is located at a zero position at the horizontal state; (2) arranging a jig, vertically connecting a jig rod at the arm tail end of a mechanical arm, and forming a jig hole in the jig plate; (3) dragging the mechanical arm toswing in the forward direction until the jig rod at the tail end of the mechanical arm is inserted into the jig hole, wherein an included angle theta 1 is formed between the big arm and the small arm;and dragging the mechanical arm to swing in the reverse direction, wherein an included angle theta 2 is formed between the big arm and the small arm; and (4) according to the included angle theta 1 and the included angle theta 2, obtaining an actual included angle theta between the big arm and the small arm so as to calibrate the SCARA robot, wherein the actual theta is equal to (theta 1+theta 2)/2. The jig calibration method for the SCARA robot is simple in operation, simple in data acquisition and establishment, saving in time and labor, and low in cost.
Owner:RIZHAO YUEJIANG TECH CO LTD

Method for determining suitable spatial ecological niche and environmental ecological niche of minimum population

The invention provides a method for determining a suitable spatial ecological niche and a suitable environmental ecological niche of a minimum population. The method includes: calculating various aggregative indexes through the conventional method; using population aggregative indexes as vertical coordinates and using the longitude, the latitude and the altitude of a central point of each grid as horizontal coordinates to establish a corresponding scatter diagram; fitting a plurality of equations, selecting an equation with a highest regression coefficient as an optimal fitting degree equation of spatial ecological niche construction, and calculating the spatial ecological niche; using physiological aggregative indexes as vertical coordinates and using the average daily illumination condition, the soil organic content and the soil water content as horizontal coordinates to establish a scatter diagram; and fitting a plurality of equations, selecting an equation with a highest regression coefficient as an optimal fitting degree equation of environmental ecological niche construction, and calculating the environmental ecological niche. The method is simple and easy to implement, is quantifiable, can quantize specific indexes in a natural environment, can truly reflect the size of the ecological niche, and is intuitive and comparable.
Owner:山东巴比熊食品有限公司

Observation system for saturation line of dam body of tailing reservoir

The invention discloses an observation system for the saturation line of a dam body of a tailing reservoir. The observation system is arranged in the dam body of the tailing reservoir and is composed of a steel tube (1), a steel plug (2), geotextile (4), hemp thread (5), an oil-immersed wooden plug (6) and coarse sand (7), wherein the steel tube (1) is externally coated by the geotextile (4), reversely filtered and firmly bound by the hemp thread (5), and the gaps around the steel tube (1) are filled by adopting the coarse sand (7); the lower part of the steel tube (1) is a sand setting pipe section (11), the middle part is a water filtering pipe section (8), the upper part of the steel tube (1) is exposed out of earth surface and is connected with the steel choke plug (2) by adopting screw thread (3) so as to ensure that the steel tube opening is sealed; the bottom of the steel tube (1) is plugged by adopting the oil-immersed wooden plug (6); and a plurality of holes (9) are arrangedat the water filtering pipe section (8) of the steel tube (1). The observation system for the saturation line of the dam body of the tailing reservoir is high in observation accuracy, simple in data collection and is capable of meeting the saturation line observing requirements of various tailing reservoirs, especially upstream tailing dams and tailing reservoirs and has the characteristics of convenience for observation, longer service life and no influence by factors such as weather, temperature, installation and the like.
Owner:SINOSTEEL MAANSHAN INST OF MINING RES

Road seismic exploration receiving device not affecting traffic

The invention discloses a road seismic exploration receiving device not affecting traffic, which comprises a seismic detecting component installed in a compressive carrier, a data conversion recordingsystem, a signal transmission and acquisition control system, a battery and power supply system and a GPS positioning system, wherein the compressive carrier comprises a compressive top plate, a compressive vertical column and a detachable bottom plate. According to the road seismic exploration receiving device not affecting traffic disclosed in the invention, the seismic detecting component, thedata conversion recording system, the signal transmission and acquisition control system, the battery and power supply system and the GPS positioning system are all integrated on a receiving device,and integrated compressive design with high integration is realized. the road seismic exploration receiving device not affecting traffic has the following advantages that in the aspect of structure design, the compressive structure design can ensure the safety of the receiving device on the road and an intersection, and the road traffic is not affected; due to an anti-skid structure, the receivingdevice is not affected by wheel impacts to generate misalignment; and due to sound insulation design, noise interference such as sound waves can be reduced.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING)
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