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32results about How to "Good accuracy and stability" patented technology

Improved variable step size perturbation method MPPT control device and method and application system thereof

The invention relates to the technical field of solar cell maximum power point tracking control, and particularly relates to an improved variable step size perturbation method MPPT control device andmethod and an application system thereof. The variable step size MPPT control device comprises a PV array, a voltage conversion unit, a voltage detection device, a current detection device, an MPPT control module based on a single-chip microcomputer, a use processing circuit, a duty ratio control circuit, a storage battery and a load. The invention also provides the variable step size MPPT controlmethod. The maximum power point can be tracked within a short period of time, the stability and the accuracy are great and the tracking process is smooth and rapid.
Owner:温州拓日工业设计有限公司

Indirect competition ELISA (enzyme-linked immunosorbent assay method) for tetrabromo bisphenol A

The invention discloses an indirect competition ELISA method for tetrabromo bisphenol A. The assay method comprises the following methods: 1) synthesizing an artificial antigen through the tetrabromo bisphenol A; 2) preparing a tetrabromo bisphenol A polyclonal antibody: taking the conjugate of the tetrabromo bisphenol A and BSA as an immunizing antigen, immunizing Kunming white rats, and utilizing the conventional polyclonal antibody preparation and purification technologies to acquire the tetrabromo bisphenol A polyclonal antibody; 3) assaying the indirect competition ELISA: choosing an envelope antigen of which the concentration is 10 [mu]g / mL, and performing dilution with a carbonate buffer solution; washing an ELISA plate, adding the buffer solution to seal the ELISA plate and washing the ELISA plate again; carrying out competition, washing the ELISA plate, adding a second antibody and washing the ELISA plate again; performing a chromogenic reaction; finally, measuring with a microplate reader to acquire that a light absorption value is 450nm (OD 450). The invention constructs the indirect competition ELISA method for the tetrabromo bisphenol A, and provides a quick and efficient assay means for assaying the residual tetrabromo bisphenol A in atmosphere; as the method adopts the polyclonal antibody, the cost is lower and the stability is better.
Owner:OCEAN UNIV OF CHINA

Device for measuring magnetostriction in dual-channel capacitance method and method thereof

ActiveCN102707248AReduce fixed linksEnabling magnetostrictive measurementsMagnetostrictive property measurementsData processing systemCapacitance
The invention belongs to the technical field of measurement, and particularly relates to a device for measuring magnetostriction in a dual-channel capacitance method and a method thereof. The device comprises a sample position and probe position adjusting mechanism (1), external magnetic fields (18) at the two ends of the sample position and probe position adjusting mechanism (1) and a displacement data processing system (2) with a first electrical box channel (11) and a second electrical box channel (12). In accordance with the principle of a parallel plate capacitor, the amount of extension or contraction of a sample is measured indirectly via measuring changes in the capacitance between a movable sample electrode formed by two groups of samples (14) and a fixed electrode formed by probe electrodes (8-1 and 8-2) in the external magnetic fields, and thus the measurement of magnetostriction is completed and is displayed via dual channels. The device for measuring the magnetostriction in the dual-channel capacitance method has the advantages of simple structural design, high accuracy of measurement and high reliability.
Owner:ADVANCED TECHNOLOGY & MATERIALS CO LTD

Composite honeycomb sandwich structure for oversized single-curved reflection surface and formation method thereof

The invention provides a composite honeycomb sandwich structure for an oversized high-precision single-curved reflection panel. The composite honeycomb sandwich structure comprises three layers of hard aluminum plates, two layers of aluminum honeycomb cores and a sectional material framework for connecting and supporting. A total realization process comprises determination of a panel partitioningscheme, splicing of the three layers of hard aluminum plates, determination of a slotting scheme, calculation of shielding, unfolding of the panel, calculation of nailing height, positioning of the three layers of hard aluminum plates, the panel and the sectional material framework on a high-precision nailing bed, production of a working plate solid mold, pre-stretching and molding of the sectional material framework, notching of the honeycomb cores, adjustment of the nailing bed, layer-by-layer pavement of the sandwich structure and cementing and formation under vacuum negative pressure. Thecomposite honeycomb sandwich structure is applied to engineering, and the formation rigidity and profile precision stability of the oversized high-precision single-curved reflection panel can be effectively improved; a production target of an oversized and single-curvature high-precision, large-rigidity and light-weight reflection panel applicable to a column surface near field is realized.
Owner:BEIHANG UNIV

Five-axis numerical control engraving and milling machine for tire sidewall plate

The invention relates to a five-axis numerical control engraving and milling machine for a tire sidewall plate. An upright post moves forwards and backwards on a transverse sliding seat to form a first linear axis; the transverse sliding seat moves leftwards and rightwards on a pedestal to form a second linear axis; a dragging plate of the upright post moves up and down along the upright post to form a third linear axis; a numerical control rotary table is arranged on a supporting seat to rotate circumferentially to form a fourth axis; and a spindle swinging head is arranged on the dragging plate of the upright post to rotate circumferentially and swing to form a fifth axis. The five-axis numerical control engraving and milling machine has the advantages of low manufacturing cost, high processing precision, high processing speed, high dynamic performance, large travel range, small occupied area of a machine tool, convenient manufacture and assembly, attractive structure, light and convenient operation, high sealing property and good dust-proof effect.
Owner:GREATOO INTELLIGENT EQUIP INC

Measuring head mechanism for measuring thread comprehensive action boundaries based on envelope contour

InactiveCN102944208AStay flexibleAchieving small freedom of movementMeasurement devicesEngineeringSteel ball
The invention discloses a measuring head mechanism for measuring thread comprehensive action boundaries based on an envelope contour. The measuring head mechanism comprises a measuring head fixing end and a measuring head movable head, wherein the measuring head fixing end and the measuring head movable end are connected by a slide guide rail pair, a guide rail of the slide guide rail pair is fixedly connected with the measuring head fixing end, and a slide of the slide guide rail pair is fixedly connected with the measuring head movable end. The measuring head mechanism is used for measuring the comprehensive action sizes of the thread, and the comprehensive action sizes comprise tilting and vertical displacement; the measured data judgment standard is based on the envelope contour; the horizontal movement is realized by the slide guide rail pair and two springs; the vertical movement is realized by two sets of reed mechanisms; and the tilting of the thread measuring end is realized by the tangential matching of a steel ball and a V-shaped groove. The head measuring mechanism has the advantages that all movements required in the measurement are effectively realized, the system rigidity is high, the precision stability is high, and requirements of the novel measuring tasks can be well met.
Owner:JIANGSU INST OF METROLOGY

Robot autonomous charging docking control system and method

The invention discloses a robot autonomous charging docking control system and method. The robot autonomous charging docking control system includes a remote docking module which uses an infrared signal lamp to search for and approach a charging base, a close-range docking module which uses a laser sensor to realize accurate docking between a robot and the charging base, and an automatic chargingmodule which carries out automatic charging according to the current battery state and charging time. According to the robot autonomous charging docking control system and method, automatic charging docking is realized in two stages. In the first stage, the robot is taken as a particle robot, without considering the angle, size and other requirements or considering whether the robot and a chargerare on the same axis. After the robot approaches the charging base, the second stage begins, and accurate positioning is carried out by using the laser sensor. Therefore, the scheme of the invention has high stability and accuracy.
Owner:广州映博智能科技有限公司

Broaching tool handle assembly

The invention discloses a broaching tool handle assembly. The broaching tool handle assembly comprises a broaching tool and a tool handle clamping device; the broaching tool comprises a broaching toolhandle, and the broaching tool handle is provided with a strip-shaped broaching tool handle body with the taper; and the tool handle clamping device is used for clamping the strip-shaped broaching tool handle body to achieve broaching tool clamping and fixing and bear broaching cutting force. According to the broaching tool handle assembly, for the broaching tool with the small diameter, a groovedoes not need to be formed in the broaching tool handle, the tool handle strength is improved, the precision and the stability are good, and the tool handle is not prone to being broken.
Owner:湖南南方机床有限公司

Method for manufacturing raw tyre for automatic bicycle

The subject of the invention is to inhibit the reduction in appearance quality and uniformity by inhibiting folds stacking on the two end portions of tread rubber caused by downward press fit, thus providing a method for manufacturing a raw tyre for an automatic bicycle. In the manufacturing method, a tread tube forming process comprises: a tread rubber coiling step of forming cylindrical tread rubber on a rubber-made cylindrical tread forming drum which is expandable into a drum shape through the filling of internal pressure; a tread rubber bending step of, by employing a conveying ring with an inner peripheral surface as a circular-arc-shaped surface approximate to the tread, pushing the tread rubber to the inner peripheral surface of the conveying ring through the expansion of the tread forming drum formed through the filling of internal pressure, thereby bending the cylindrical shape of the tread rubber into a convex circular-arc shape; and a belt forming step of, in the circumferential direction of the tyre, forming a belt by spirally attaching a belt-like cord, formed by dispensing glue to a cord thread, to the inner peripheral surface of the tread rubber retained on the conveying ring.
Owner:SUMITOMO RUBBER IND LTD

Composite system capable of realizing micro-zone melting and finish machining of metal powder

The invention discloses a composite system capable of realizing micro-zone melting and finish machining of metal powder. The composite system is characterized by being formed by compounding an optical fiber laser galvanometer scanning mechanism and a laser engraving mechanism, wherein the optical fiber laser galvanometer scanning mechanism is provided with an XY worktable; a laser engraving head of the laser engraving mechanism is arranged on a Y axis of the XY worktable; after a plurality of forms are formed on a workpiece, the XY worktable controlled by slicing software drives the laser engraving head to perform laser engraving on the workpiece according to a path controlled by the slicing software. The composite system disclosed by the invention has the beneficial effects that after the optical fiber laser galvanometer scanning mechanism and the laser engraving mechanism are compounded, the optical fiber laser galvanometer scanning mechanism performs quick portioned scanning, and the laser engraving mechanism engraves the internal and external boundary lines in a material increase manufacturing process, and quick scanning and engraving are alternatively performed, so that the workpieces with accurate sizes can be obtained.
Owner:GUANGZHOU OGGI3D ELECTROMECHANICAL

Semi-automatic inclined ladder pairing assembling system

The invention discloses a semi-automatic inclined ladder pairing assembling system. The semi-automatic inclined ladder pairing assembling system comprises a working table, a feed device, an angle-adjustable plate, a step clamp and a positioning welding special machine, wherein the feed device, the angle-adjustable plate, the step clamp and the positioning welding special machine are arranged on the working table; the feed device comprises a gantry traction frame, a lifting plate, a positioning clamp, a servo motor set and a linear sliding rail; the angle-adjustable plate is arranged in front of the feed device; the step clamp is arranged below the angle-adjustable plate; the positioning welding special machine is used for welding and fixing of ladder beams and steps; and the semi-automaticinclined ladder pairing assembling system further comprises a control unit and a pedal switch. The semi-automatic inclined ladder pairing assembling system can realize pairing assembling of the ladder beams and the steps in manufacturing of the steps with different angles and different heights, so that the production efficiency is improved, the manufacturing cost is reduced, and the labor intensity is reduced.
Owner:SHANGHAI ZHENHUA HEAVY IND

Dual-exchange table vertical machining center structure

The invention discloses a dual-exchange table vertical machining center structure which comprises a base. The upper surface of the base is provided with a saddle driving ball screw and two saddle linear guide rails, the saddle driving ball screw is arranged between the two saddle linear guide rails, one end of the saddle driving ball screw is provided with a saddle driving motor, a saddle is arranged above the saddle driving ball screw and the two saddle linear guide rails, the upper surface of the saddle is provided with a stand column driving ball screw and two stand column linear guide rails, the stand column driving ball screw is installed between the two stand column linear guide rails, and stand columns are arranged above the stand column linear guide rails and the stand column driving ball screw. Dual exchange working tables are adopted and only do rotary motion, a tool changer does constant mass motion on the X, Y and Z axes, the accuracy stability is good, the accuracy keepingperformance is high, the clamping time is shortened, the working efficiency is improved, and several machines can be operated by one person at a time.
Owner:广州市佳速精密机械有限公司

Inversion method for microcystin MC-LR concentration in water body

The invention discloses an inversion method for microcystin MC-LR concentration in a water body. The method comprises the steps of establishing a unary linear inversion equation by taking normalized characteristic fluorescence peak intensity of a microcystis aeruginosa extracellular organic matter in a water sample as an independent variable and normalized microcystin MC-LR concentration in the water sample as a dependent variable, wherein the characteristic fluorescence peak intensity and the microcystin MC-LR concentration are normalized through utilization of chlorophyll a concentration inthe water sample; obtaining a to-be-detected water sample, measuring three-dimensional excitation-emission matrix fluorescence spectrum of the microcystis aeruginosa extracellular organic matter in the water sample, and obtaining the characteristic fluorescence peak intensity of the microcystis aeruginosa extracellular organic matter; and substituting the characteristic fluorescence peak intensityin to the unary linear inversion equation, and obtaining the microcystin MC-LR concentration. According to the method, sample pretreatment is avoided, rapid online monitoring of the microcystin MC-LRconcentration can be realized, the characteristic fluorescence peak intensity of the microcystis aeruginosa extracellular organic matter is taken as the variable for establishment of the equation, and a new thought for the inversion method is provided.
Owner:YANGZHOU UNIV

Multi-inertial-navigation redundant system initial structure optimization method based on zero-speed correction

PendingCN111795696ARealize primary and secondary allocationImplement static precision comparisonNavigation by speed/acceleration measurementsSimulationNavigation system
The invention relates to a multi-inertial-navigation redundant system initial structure optimization method based on zero-speed correction. Static simulation is carried out before the inertial navigation system works, and the precision of the inertial navigation system is evaluated by analyzing static output data of the inertial navigation system. The method comprises the following steps: (1) carrying out filtering calculation on a navigation system by utilizing Kalman filtering to obtain an error estimation value, and synthesizing a basic navigation parameter error equation of the strapdown inertial navigation system and an error equation of an inertial instrument to obtain a state equation of the integrated navigation system; 2) combining the output quantity of the navigation system withan error state equation of the system, and giving a measurement equation by adopting a position and speed combination mode in zero-speed correction; 3) setting a device noise model, initial parameters, a sampling period and an updating period, setting initial parameters of a filter, and carrying out zero-speed correction on the two sets of equal-precision inertial navigation systems under a static condition, and 4) comparing the two sets of inertial navigation systems after zero-speed correction to obtain the inertial navigation system with better precision performance.
Owner:CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP

Moving post double-side ram lathe body milling machine

The invention discloses a moving post double-side ram lathe body milling machine, which comprises a work bench base mounted to a ground foundation, left and right upright posts arranged at the left and right sides of the work bench base, left and right lifting slide seats arranged on the left and right upright posts, left and right rams arranged on the left and right lifting slide seats, left and right main shafts mounted to front ends of the left and right rams, and left and right mill heads mounted to the left and right main shafts, wherein the left and right upright posts are respectively mounted in position through left and right longitudinal orientation guide rails and left and right longitudinal auxiliary guide rails; the left and right longitudinal orientation guide rails are arranged on two steps inwardly formed on the left and right side faces of the work bench base in a manner of being higher in the front position and lower in the back position; and the left and right longitudinal auxiliary guide rails are mounted on the ground foundation and do not need limiting in the horizontal direction. By adopting the moving post double-side ram lathe body milling machine provided by the invention, the support span of the double upright posts can be increased to obtain higher support stability and effectively prevent disturbing moment produced by forward tilting of the gravity center of the upright posts due to forward movement of the rams.
Owner:GUILIN MACHINE TOOL

Target pose measurement method based on calibration object

The invention discloses a target pose measurement method based on a calibration object. The method comprises the steps: setting the calibration object on the surface of a measured object, collecting an image of the measured object through a camera, recognizing the calibration object through an image processing technology, eliminating the wrong recognition condition according to the features of thedesigned calibration object, and collecting the feature points on the calibration object; finally, obtaining the pose information of the calibration object through the corresponding relationship of the 2D3D points, and replacing the pose information of the target with the pose information of the calibration object. The target pose measuring method based on the calibration object is adopted, the pose information of the target can be accurately measured, and great convenience can be provided for the mechanical arm to grab the target object.
Owner:NANJING UNIV OF SCI & TECH

Calculation method and device for explicit time iterative time domain electromagnetic field

The invention discloses a calculation method and device for an explicit time iterative time domain electromagnetic field, and relates to the field of electromagnetic field numerical calculation. The method comprises the following steps that: comparing the electromagnetic field value of the previous time step of a position to be solved with a judgment condition, if the electromagnetic field value meets the judgment condition, proving that the position belongs to a second area, and otherwise, proving that the position belongs to a first area; traversing all positions in the existing first area,and enabling all adjacent positions of all positions to belong to the first area; and adopting a first algorithm for all positions in the first area, and adopting a second algorithm for all positionsin the second area, wherein the positions are grid cells or grid edges or grid nodes, the first algorithm is a universal algorithm which can be adopted for any electromagnetic field value of the position to be solved, and the second algorithm is an approximation algorithm which can be adopted when the electromagnetic field value of the current time step of the position to be solved meets the judgment condition. The device comprises a judgment module, an adjacent grid processing module and a calculation module. The method has the advantages of wide applicable range, small calculated amount andgood accuracy and stability.
Owner:欢鼎科技成都有限公司

Drilling machine

The invention discloses a drilling machine including a machine seat (4), a working table (6), a main shaft (13) and a drilling bit (15). The drilling machine is characterized in that the working table(6) is arranged on the middle of the top face of the machine seat (4), the back end face of the working table (6) is connected with a workpiece fixture (12); sliding rails (7) are arranged on the left and right sides of the working table (6) in a symmetrical mode, and grooves (16) are formed in the sliding rails; transmission screw rods (9) are arranged in the grooves (16), the transmission screwrods (9) abuts against a guiding seat (8) fixedly connected with a main shaft box (11) by screws and is connected with the sliding rail (7) in a movable mode, and is arranged above the transmission screw rods (9); and the main shaft (13) internally penetrates from the main shaft box (11).
Owner:徐州昊华机械制造有限公司

A capacitive mems gas sensor

The invention relates to a capacitance type MEMS (micro-electro-mechanical system) gas sensor. The capacitance type MEMS gas sensor is particularly suitable for coal mine safety monitoring as well asdetection on methane gas in the air in production and living, can be applied to detection on the gases such as helium, carbon dioxide and argon in special environments, and comprises a thermal actuator and two comb capacitors, wherein the thermal actuator comprises a plurality pairs of silicon beams, a micro-spindle and an anchor area; and each group of comb capacitor comprises a movable comb, onegroup of folding structure spring, a fixed comb and an anchor area. The sensor can detect the concentration of the methane gas, adopts thermal deformation of the silicon beams to drive the capacitance change of the comb capacitors according to the principle that the resistance of a semiconductor material is changed along with the change of the methane content of the peripheral gas under a certaincurrent, and measures the methane concentration of the air according to the capacitance change. The capacitance type MEMS gas sensor has the following advantages of simple structure, high adaptability, no poisoning influence, no abrasion and no inertness due to capacitance type measurement, high temperature and precision stability, high electromagnetic interference resistance and high dynamic response speed.
Owner:CHINA UNIV OF MINING & TECH

Self-lubricating high-precision composite shaft, manufacturing method, shield pump, motor and fan

The invention discloses a self-lubricating high-precision composite shaft, a manufacturing method and a shield pump, a motor and a fan which comprise the self-lubricating high-precision composite shaft. The self-lubricating high-precision composite shaft comprises a shaft body (1), wherein annular grooves (21 and 31) are formed in a friction part, which is matched with a sliding bearing, of the shaft body (1); the annular groove (21 and 31) are filled with high-molecular polymers with a self-lubricating characteristic by an injection molding process to form annular friction rings (2 and 3); and the friction rings (2 and 3) are firmly combined with the shaft body (1) integrally in the annular grooves (21 and 31). After injection molding, the self-lubricating high-precision composite shaft is finally formed by precisely grinding the outer diameter of the composite shaft, and the precision of the outer diameter is achieved. The self-lubricating high-precision composite shaft can be widely used in the field of shaft friction transmission.
Owner:静润能源(广东)有限公司

A composite honeycomb sandwich structure panel with a super-large single-curved reflective surface and its forming method

The invention provides a composite honeycomb sandwich structure for an oversized high-precision single-curved reflection panel. The composite honeycomb sandwich structure comprises three layers of hard aluminum plates, two layers of aluminum honeycomb cores and a sectional material framework for connecting and supporting. A total realization process comprises determination of a panel partitioningscheme, splicing of the three layers of hard aluminum plates, determination of a slotting scheme, calculation of shielding, unfolding of the panel, calculation of nailing height, positioning of the three layers of hard aluminum plates, the panel and the sectional material framework on a high-precision nailing bed, production of a working plate solid mold, pre-stretching and molding of the sectional material framework, notching of the honeycomb cores, adjustment of the nailing bed, layer-by-layer pavement of the sandwich structure and cementing and formation under vacuum negative pressure. Thecomposite honeycomb sandwich structure is applied to engineering, and the formation rigidity and profile precision stability of the oversized high-precision single-curved reflection panel can be effectively improved; a production target of an oversized and single-curvature high-precision, large-rigidity and light-weight reflection panel applicable to a column surface near field is realized.
Owner:BEIHANG UNIV

Bearing unit for high rotational speeds

The invention relates to a bearing unit for high rotational speeds, comprising a bearing housing, in which a shaft is arranged that is mounted by means of two rolling bearings. The bearing unit is suitable in particular for a spinning rotor of an open-end spinning device. The shaft and the bearing housing each have raceways for rolling elements. The shaft has a surface that forms a running surface for driving the shaft by means of a tangential belt. The surface of the shaft (5) used as the running surface (12) is arranged between two raceways (10) for rolling elements (14). The bearing housing (7) has at least one opening associated with said surface (12).
Owner:MASCHINENFABRIK RIETER AG

High-stability step gauge and preparation method thereof

The invention discloses a high-stability step gauge and a preparation method thereof, wherein the step gauge is provided with a base body; the base body comprises a pillar carrier arranged along one coordinate direction; gauge block installing blocks are distributed and configured on the pillar carrier, and measuring pieces are fixedly installed on the gauge block installing pieces. The high-stability step gauge is good in precision stability, small in dimension and powerful in function; through reasonable combination of the base body and the gauge block installing blocks, the shape change bias of the step gauge caused by self-weight of the base body and other factors is effectively and significantly reduced; material use and step gauge weight are reduced according to the minimized design of the base body specification; thus the high-stability and high-precision calibration entity are provided. Through taking a cylindrical rigid supporting body as the base body, the preparation provides the stable and low shape change performance on length direction; the suit gauge block installing blocks are high in stability of fixedly installation, and accurate in positioning assembly of the measuring pieces.
Owner:甘太喜

Automatic tool setting method for straight-edge type tool

The invention discloses an automatic tool setting method for a straight-edge type tool. A laser tool setting gauge is adopted for carrying out automatic tool setting on the straight-edge type tool fixedly connected to a machine tool spindle, wherein automatic tool setting is divided into multiple steps for carrying out tool setting in sequence, during tool setting of each step, the laser tool setting gauge moves back and forth in the direction perpendicular to a laser beam of the laser tool setting gauge so as to determine the coordinate position of a tool tip point of the straight-edge type tool, and then the straight-edge type tool is rotated forwards and backwards in sequence so as to determine the zero position angle of the straight-edge type tool. According to the automatic tool setting method, automatic and high-precision tool setting can be achieved, the starting angle of the straight-edge type tool is corrected, subsequent cutting machining is carried out smoothly, the time cost of manual tool setting is reduced, and the efficiency and the tool setting precision are improved.
Owner:深圳市青鼎装备有限公司

Correction method for B0 field pattern of magnetic resonance system

The invention provides a correction method for a B0 field pattern of a magnetic resonance system, and the method comprises the steps: firstly obtaining a three-dimensional B0 field pattern of the magnetic resonance system, and dividing the three-dimensional B0 field pattern into a plurality of layers along each dimension; performing 2D phase unwrapping layer by layer along at least two dimensions of the three-dimensional B0 field pattern to obtain a middle B0 field pattern; and finally, selecting one of the at least two dimensions as a reference direction, obtaining the phase difference between two adjacent layers in the B0 field pattern in the reference direction, and the phase difference meeting a global optimization rule. According to the method, 3D phase unrolling calculation is performed on the basis of a result obtained by performing 2D unrolling on each layer of a 3D phase one by one, and a global optimization rule is introduced, so that a shimming result has excellent stability and accuracy; moreover, the method disclosed by the invention is high in calculation efficiency, better meets the quick response requirement in practical application, and has a better clinical application prospect.
Owner:NANJING GENERAL HOSPITAL NANJING MILLITARY COMMAND P L A

Automatic detection device and control method of rutting tester

The invention discloses a wheel tracking tester automatic detection device which comprises a square base, a turbo-worm reducer, a hollow disc-shaped support part, a butterfly force value sensor and aplurality of linear temperature and humidity sensors, wherein a columnar groove is formed in the upper surface of the square base coaxially, a plurality of columnar guide pillars are uniformly arranged in the groove, close to the periphery; the turbo-worm reducer is fixedly arranged in the middle of the groove, an encoder is arranged at the center of the upper surface of the turbo-worm reducer; the hollow disc shaped support part is provided with columnar through holes matched with the guide pillars, is coaxial with the base and is sleeved on the guide pillars in a vertically moving way; the butterfly force value sensor is fixedly arranged above the encoder by a thread bushing; the lower ends of the linear temperature and humidity sensors are arranged at four opposite angles of the base. The invention also provides a control method of the wheel tracking tester automatic detection device, which adjusts trial wheel displacement and voltage of a detection circuit based on the BP neural network in wheel tracking tester automatic detection. According to the invention, integrated automatic detection is realized; and meanwhile, the accuracy of the test system in a common test environmentis increased.
Owner:白山市盛源工程试验检测有限公司
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