156results about "Point coordinate measurements" patented technology

The invention discloses a multi-modal measurement system and method of a three-coordinate measuring machine, relates to the cross technical field of precision measurement, computer vision and intelligent manufacturing, and is used for solving the problems of low automation degree, strong subjective dependence and lack of assembly performance prediction capability in automobile covering part characteristic line detection. According to the method, point cloud data and positioning coordinates are synchronously collected through a multi-mode sensor, and a fusion point cloud sequence is generated through time sequence synchronization; constructing a high-precision three-dimensional point cloud model through noise filtering, registration and curved surface reconstruction; automatically extracting a feature line path based on curvature analysis and generating an analysis section; calculating a sharpness index through contour fitting, and generating a quality evaluation coefficient in combination with a CAD ideal model contour tolerance deviation; and finally, defects are identified through virtual assembly analysis, a sensor remeasurement path instruction is generated, and a quality report is output in combination with a quality coefficient, so that the detection precision, the efficiency and the assembly quality prediction capability in the measurement process of the three-coordinate measuring machine are improved.

There is provided an inside-diameter measuring unit capable of automating inside-diameter measurement and a control method for automatic inside-diameter measurement. An inside-diameter measuring part is supported by a support frame part via a floating joint part. The floating joint part includes a rotation-allowing mechanism part and a translation-allowing mechanism part. A measuring head part of the inside-diameter measuring part is inserted into a hole by a robot arm part. The inside-diameter measuring part adjusts its position and posture autonomously by the reaction force when a contact point pushes against the inner wall of the hole to align the axis of the inside-diameter measuring part with the axis of the hole. An electric inside-diameter measuring unit can automatically measure the inside diameter of a hole.

Example embodiments provide a secondary battery manufacturing system. The system includes a positive electrode cutter configured to cut a positive electrode sheet wound from a positive electrode roll to provide a plurality of positive electrodes, a negative electrode cutter configured to cut a negative electrode sheet wound from a negative electrode roll to provide a plurality of negative electrodes, an electrode identifier (ID) reader configured to sense an electrode ID of a negative electrode tab of each of the plurality of negative electrodes to generate an electrode ID sensing signal, and a controller configured to collect coordinate-related electrode ID data based on a first input amount of the positive electrode sheet, a second input amount of the negative electrode sheet, and the electrode ID sensing signal.

The invention relates to the technical field of power transmission line state monitoring, and particularly provides a power transmission line dynamic dance positioning detection method and system, and the method comprises the following steps: collecting Beidou positioning data, pose data and environment parameter data of a power transmission line in real time; correcting the Beidou positioning data according to the coordinate error component and the pose data of the base station, and filtering a multipath effect deviation signal to obtain absolute coordinate data; calculating galloping parameter data of the power transmission line according to the absolute coordinate data; and dynamically fusing the galloping parameter data and the environment parameter data to obtain comprehensive detection data. The problems of large dancing posture detection error and high time delay of the power transmission line in the prior art are solved.

The invention discloses an extruded thread trimming detection method, an extruded thread system and application. The method comprises the following steps: calling an impedance reference template bound with a material and a tap index, synchronously collecting steady-state alternating-current impedance of each chip groove at different depths of a thread, calculating deviation according to a groove position weight, setting two-stage threshold values to generate local or overall abnormal marks, then carrying out partitioned statistics on the continuous interval length and number of the abnormal marks, and finally, carrying out statistical analysis on the continuous interval length and number of the abnormal marks. And obtaining a thread overall quality judgment result. According to the technical scheme, the tooth crest trimming quality can be nondestructively detected in real time in the tooth trimming process on the premise that the machining takt is not affected, batch rework or scrapping caused by later spot check is avoided, and the method is suitable for thread batch production with the high quality requirement.

The invention discloses a three-coordinate measurement data intelligent analysis system, relates to the technical field of three-coordinate measurement intelligent analysis, and is used for solving the problem of inaccurate probe wear error identification and compensation. According to the method, the wear rate is predicted by constructing a standardized feature set and combining an LSTM model, then the remaining life of the probe is calculated, whether the probe is in a critical state or not is judged, intelligent monitoring and early warning of the health state of the probe are achieved, the system generates a measuring point level credibility label by fusing the wear rate, the environment temperature and measurement time sequence information, and the reliability of the probe is improved. High-risk measurement data are effectively identified, when the probe enters a critical state, the system can automatically suspend a task and send an early warning prompt to assist in probe replacement or calibration, measurement error diffusion caused by probe degradation is avoided, and reliability and data credibility of the three-coordinate measurement process are remarkably improved.

To provide a scanning probe that is not easily affected by an error and is relatively inexpensive.SOLUTION: An inductive position detector for stylus position measurement in a scanning probe 300 comprises a coil board configuration arranged along a central axis in the scanning probe 300. The coil board configuration includes a field generating coil configuration 360 that surrounds a hole in the coil board configuration, an upper part axial direction detection coil configuration and a lower part axial direction detection coil configuration, and N upper part rotation detection coils and N lower part rotation detection coils. A disruptor configuration 350 coupled with a stylus 306 includes a cylindrical disruptor element that is configured to move and fit within the hole of the coil board configuration, and moves along a Z-axis direction and an X-Y direction in a disruptor motion volume. The field generating coil configuration 360 generates a changing magnetic flux, and a coil signal indicates the cylindrical disruptor element and / or the position of the stylus 306.SELECTED DRAWING: Figure 2

To provide a scanning probe, a method, and a system that reduce cross talk.SOLUTION: An inductive position detection configuration for stylus position measurement in a scanning probe 300 comprises a stylus position detection unit arranged along a central axis in the scanning probe 300. The stylus position detection unit includes a field generating coil configuration 360, an upper part axial direction detection coil configuration, an upper part rotation detection coil configuration, a lower part axial direction detection coil configuration, and a lower part rotation detection coil configuration. The field generating coil configuration 360 generates a changing magnetic flux, and a coil signal indicates a conductive disruptor element and / or the position of a stylus. A field generating coil coupling and crosstalk removing configuration is configured to couple signal processing and a control circuit to the field generating coil configuration 360 to provide a coil drive signal and reduce cross talk.SELECTED DRAWING: Figure 2

This invention relates to the field of bridge construction technology, and in particular to a digital installation method and system for steel anchor beams. The method includes: deploying positioning targets on the steel bracket; installing several binocular camera modules on the anchor beam; constructing a three-dimensional model of the steel bracket and anchor beam, clarifying the fixed spatial relationship between the positioning targets, binocular camera modules, and anchor beam, and calibrating and associating the three-dimensional model with the on-site construction coordinate system; deploying several BeiDou measurement reference stations to provide a basis for real-time position adjustment of the steel bracket during installation by measuring the coordinates of the positioning targets in real time; and activating each binocular camera module, which acquires images of the positioning targets in real time to provide a basis for real-time position adjustment of the anchor beam during installation. This application can effectively improve installation accuracy, overcome measurement fluctuations caused by environmental interference, meet the high-precision requirements of modern engineering, reduce the probability of safety accidents, solve the problem of work stoppages due to environmental constraints in traditional methods, and ensure the controllability of the construction period.

A measurement probe for a coordinate measuring machine is provided. The measurement probe includes a stylus position detection portion having a sensing coil configuration including a plurality of sensing coils. Different coupleable coil portions (e.g., each at least partially surrounding a central axis) are provided, the coupleable coil portions may be connected as part of different stylus position detection configurations (e.g., individually and / or in series as part of an axial sense coil, a rotational sense coil, or a normalized sense coil of the plurality of sense coils). For example, a first coupleable coil portion is connectable in a first stylus position detection configuration to provide a signal received by the signal processing and control circuitry, and may not be connectable in a second stylus position detection configuration to provide a signal. The second coupleable coil portion is connectable in at least a second stylus position detection configuration to provide a signal received by the signal processing and control circuitry.

The invention discloses a reconfigurable magnetic mark tracking system and method for structural deformation monitoring, and relates to the technical field of engineering structural deformation monitoring. The system comprises a magnetic marking module which is used for providing displacement information generated by a to-be-monitored structure marking point in a deformation process; the magnetic sensing array module is used for recording a real-time magnetic field signal in a target area during a monitoring period through a magnetic sensing array; and the magnetic particle mark coordinate inversion module is used for analyzing the acquired magnetic field signals based on the space coordinates of the magnetic sensing array by using a no-load calibration magnetic particle mark coordinate inversion method, and calculating to obtain the three-dimensional coordinate change of the magnetic particle mark of the to-be-monitored structure in the monitoring period. According to the invention, a reconfigurable magnetic sensor array is designed by adopting a strip-shaped modular extension architecture, and long-term monitoring of structural deformation can be realized in combination with a no-load calibration magnetic particle marking coordinate inversion method, so that the method is particularly suitable for real-time monitoring of structural deformation under the conditions of high temperature, high pressure, invisible environment and the like.

The invention provides a GIS equipment X-ray detection method for realizing space pose automatic compensation, and belongs to the technical field of GIS equipment detection.Point cloud data of GIS equipment are acquired through laser radar multi-view scanning, noise is eliminated by adopting self-adaptive multi-scale statistical filtering, and the spatial pose automatic compensation is realized. Non-rigid point cloud registration is realized by using a space registration optimization model combining a deep expansion network and sparse coding, the position of an internal conductor is corrected based on an electromagnetic field inverse problem inversion algorithm, and the space position and the ray angle of an X-ray machine are automatically adjusted through an attitude compensation adjustment function according to a pose deviation vector. The technical problem that the detection pose cannot be automatically compensated due to equipment deformation and positioning errors during X-ray detection of GIS equipment is solved.

The application provides a kind of vacuum pipeline plane control point dynamic coordinate calculation method and device, belong to high-speed maglev vacuum pipeline control survey technical field, the method includes: by being laid in the corresponding position of control network point environmental parameter monitoring sensor and establishing identity mapping relationship, realize the accurate association binding of control network point space position and sensor monitoring data. By static reference measurement in stable environment period and synchronous acquisition sensor time series data, obtain the initial observation value of high-precision control network point. By establishing independent coordinate system and carrying out constraint adjustment, obtain the initial plane coordinate and initial average temperature of control network point under specific environmental state. Finally, by dynamic correction of initial plane coordinate according to sensor real-time reading, the accurate coordinate of control network point can be calculated in real time no matter how the deformation body occurs longitudinal expansion and contraction with the change of environmental temperature, so as to ensure the continuous effectiveness and high precision of measurement reference.

Provided, according to example embodiments, is a method for manufacturing a secondary battery. The method comprises: a step for reading an electrode ID from a data matrix of a mono-cell including a positive electrode, a negative electrode, and a separator, and a step for determining whether the mono-cell is functional or defective on the basis of the electrode ID. wherein the electrode ID includes a symbol for identifying an electrode.

An apparatus for generating magnetic field gradients, comprising (a) a first planar electromagnetic coil set configured to generate a first magnetic field gradient with respect to a first axis, (b) a second planar electromagnetic coil set configured to generate a second magnetic field gradient with respect to a second axis orthogonal to the first axis, (c) a third planar electromagnetic coil set configured to generate a third magnetic field gradient with respect to a third axis orthogonal to the first and second axes, and (d) a controller configured to selectively power the first, second, and / or third electromagnetic coil sets to sequentially generate positioning magnetic field gradients with respect to each of the first, second, and third axes, at least a portion of each positioning magnetic field gradient having a magnetic field magnitude that monotonically varies along the respective axis.

The invention relates to an inductive position measuring device comprising a first component having a first interaction surface and a second component having a second interaction surface. The two components are arranged opposite each other in a third direction and are movable relative to each other. The first assembly includes a plurality of first field interaction elements arranged parallel to the first interaction surface and connected to the evaluation electronics. The second assembly includes a plurality of second field interaction elements arranged in a flat distribution over a second interaction surface. The inductive position measuring device is characterized in that it comprises at least four first field interaction elements in the form of linear sensors, arranged in a quadrangle along a first direction and a second direction, the first field interaction elements at least partially overlapping at the corners of the quadrangle arrangement.

The application provides a pole detection method and a pole detection system. The pole detection method comprises the following steps: in response to the positioning of a product to be detected, controlling a detection module to perform eddy current detection on the product to be detected to obtain an eddy current image corresponding to a measured surface of the product to be detected; the product to be detected comprises a battery cell with a pole; the measured surface comprises a surface of the battery cell with the pole; the eddy current image comprises eddy current data of each position in the measured surface; based on the eddy current image corresponding to the measured surface of the product to be detected, the position information of the pole is determined; the position information of the pole comprises the position of the pole in the product to be detected. The application controls the detection module to perform eddy current detection on the product to be detected to obtain the eddy current data of each position in the measured surface of the product to be detected, and then determines the position of the pole in the product to be detected. In the case that the pole of the product to be detected is shielded or not shielded, the accurate positioning of the pole can be realized, and the welding quality is further improved.

Coordinate measuring machine, with controlled machine axes (X, Y, Z, C) for performing measuring movements for component measurement, with at least one measuring device (4, 6) held by at least one of the machine axes (X, Y, Z, C) and movable by means of at least one of the machine axes (X, Y, Z, C), such as a tactile measuring device (4) or an optical measuring device (6), for acquiring uncompensated coordinate measurement values ​​(x1, y1, z1) on a component to be measured (8), with a device (10) for temperature compensation of the uncompensated coordinate measurement values ​​(x1, y1, z1) by means of a temperature model (12), wherein the temperature model (12) is configured to process one temperature measurement value (T1, T2) or several temperature measurement values ​​(T1, T2) as input variables, wherein the temperature model provides compensation parameters (dx, dy, dz) for the uncompensated has coordinate measurements and / or compensated coordinate measurements as output variables,where the temperature model (12) is adaptive and can be adjusted based on a database.

Magnetic field sensor assembly, comprising: a hollow core comprising a ferromagnetic material, wherein the hollow core has a proximal end and a distal end; conductive material arranged around the hollow core and forming at least one turn of a coil, the coil comprising at least one start terminal and at least one end terminal; and wherein at least first and second lead wires are provided, wherein the first lead wire is connected to the start terminal to form a first termination, and wherein the second lead wire is connected to the end terminal to form a second termination, and wherein the first and second lead wires can transmit electrical signals from the coil to a magnetic position measuring system for determining a sensor position, characterized by the fact that The first and second supply wires run inside the hollow core, thus reducing the fragility of the sensor assembly.

A method for determining the position (x; x, y) of a sensor device movable relative to a magnetic source, or a magnetic source movable relative to the sensor device; the sensor device comprising at least two magnetic sensors; the method comprising the steps of: a) obtaining a plurality of magnetic sensor signals from the magnetic sensors; b) determining or estimating the position of the sensor device based on the plurality of sensor signals or signals derived therefrom; wherein step b) comprises: determining the position (x; x, y) using an artificial neural network; the artificial neural network being a recurrent neural network trained using up to three hundred trainable parameters per degree of freedom to determine the position. Position sensor system. Position sensor device.

The invention discloses a magnetic target attitude measurement method based on gradient tensor. According to the method, gradient tensor measurement information on a measurement surface is utilized, the plane distribution of the equivalent attenuation magnetic moment is obtained through conversion calculation, the local maximum point projection can be regarded as the horizontal position of the target, and the influence of a slowly-varying background magnetic field is eliminated by utilizing the difference characteristic of the gradient tensor; the influence of attitude jitter of the measurement platform is overcome by using the rotation invariance of the equivalent attenuation magnetic moment information, and the projection of the maximum value point of the measurement surface has no systematic deviation; building a quasi-linear equation between the measured value and the target vertical depth and the equivalent magnetic moment by using the equivalent attenuation magnetic moment of the effective measurement point, and further accurately and quickly obtaining the target vertical depth and the equivalent magnetic moment; meanwhile, the possible solution of the equivalent magnetic moment direction of the target is estimated by using the gradient tensor characteristic values and the characteristic vectors of the plurality of effective measurement points, and the real magnetic moment direction of the target is screened out through statistical analysis, so that the target attitude measurement is realized, and the result is steady.

Example embodiments provide a battery manufacturing system. The battery manufacturing system includes a coupling device configured to form a plurality of first electrodes including an electrode identifier (ID) from a first electrode sheet to which the electrode ID is allocated at intervals of a pitch, form a plurality of second electrodes from a second electrode sheet, and combine the plurality of first electrodes and the plurality of second electrodes, in which the coupling device includes a controller configured to collect coordinate-related electrode ID data including the electrode ID and at least one of a coordinate of a first electrode sheet and a coordinate of a second electrode that match the electrode ID, based on a first input amount of the first electrode sheet, a second input amount of the second electrode sheet, and an electrode ID sensing signal.

The invention discloses an electrical impedance tomography detection method for a dike termite channel, which relates to dike detection and comprises the following steps: vertically burying an electrode array in a dike, establishing a three-dimensional geometric model in finite element analysis software, and obtaining a dike internal conductivity distribution diagram by adopting a dynamic electrical impedance tomography algorithm. And extracting a suspected ant cave feature position based on the conductivity distribution diagram, carrying out field verification on the suspected ant cave feature position, and confirming the existence and position of the ant cave. According to the method, the dynamic electrical impedance tomography algorithm is combined with finite element model construction, so that three-dimensional visual detection of the ant-suffering channel in the dam is realized, the limitation that a detection area cannot be fully covered by traditional manual drilling is solved, and the space precision and range integrity of ant-suffering positioning are improved.

To make it easy to measure three-dimensional coordinates of a workpiece surface by using a touch probe when the measurement is performed.SOLUTION: A first contact target position P1, which is a reference for contacting a touch probe to a side surface of workpiece W, a second contact target position P2, which is a reference for contacting the touch probe to the top surface of the workpiece W, and a feature pattern for identifying the position and posture of the workpiece W are set in association with each other. The first and second contact target positions P1 and P2 for measurement are identified from a newly generated workpiece image when executing measurement. A drive unit is controlled so that the touch probe contacts the side surface of the workpiece W with the identified first contact target position P1 for measurement as a reference. The drive unit is controlled so that the touch probe contacts the top surface of the workpiece W with the identified second contact target position P2 for the measurement as a reference. The three-dimensional coordinates of the contact point are measured on the basis of a contact signal output when the touch probe is in contact with the workpiece W.SELECTED DRAWING: Figure 21

The application provides a target body coordinate estimation method based on three-dimensional scanning geological radar, which performs one-dimensional filtering on geological radar data, then obtains horizontal boundary angles and pitch boundary angles through signal maximum value constraint, and finally obtains three-dimensional boundary coordinates and center coordinates of the underground target body through three-dimensional space coordinate conversion. The target body coordinate estimation method based on three-dimensional scanning geological radar can accurately obtain three-dimensional boundary coordinates and center coordinates of the underground target body, and is beneficial to three-dimensional space target body imaging and interpretation.

The invention belongs to the technical field of measuring equipment, and provides furniture board measuring equipment, which comprises a workbench, a board conveying device, a measuring head and a coordinate acquisition device, and is characterized in that the board conveying device comprises a driving assembly and a plurality of rollers, and the plurality of rollers are sequentially arranged on the workbench along a first direction and can rotate relative to the workbench; the driving assembly is arranged on the workbench, is in transmission connection with the rollers and is used for driving the rollers to rotate; the measuring head is movably arranged on the portal frame along a second direction; the coordinate acquisition device is used for acquiring two-dimensional coordinate data of the measuring head in the first direction and the second direction. According to the furniture board measuring equipment, when the measuring head is in contact with the edge of the board, the two-dimensional coordinate data of the measuring head in the first direction and the second direction are acquired through the coordinate acquisition device, the length and width dimensions of the board can be quickly acquired, and the measurement efficiency can be improved.

A method of confirming the presence of a physical coupling between a movable support of a coordinate positioning machine and a tool intended to be coupled to the support includes controlling the machine to move the support in a specific manner and detecting whether the tool is in a corresponding movement. The movement applied to the support may include at least one rotational movement of the support and / or at least one translational movement of the support, such as a series of such rotational and / or translational movements.

According to an illustrative embodiment, a secondary battery manufacturing method is provided. The method comprises the following steps: loading reference point formation data indicating the formation of reference points of the electrode plate, wherein the reference point formation data comprises the sequence, coordinates and evaluation of each reference point; setting an identification interval of the reference points based on the reference point forming data, wherein the identification interval is a range of coordinates of the reference points planned to be detected of the electrode plate; and sensing a reference point of the electrode plate to collect reference point sensing data.