231results 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 provides a method for rapidly determining the center position of an electron cloud cluster of a reading circuit in an XS anode detector, and aims to solve the problems that the existing method for calculating the center position of the electron cloud cluster of the reading circuit in the XS anode detector cannot realize higher spatial resolution, or easily causes image distortion, and is inconvenient to use. The software processing speed is slow, the FPGA is not easy to implement, or the calculation error at the edge strip is relatively large. The method for rapidly determining the center position of the electronic cloud cluster of the reading circuit in the XS anode detector is realized by adopting an FPGA (Field Programmable Gate Array), the peak value of effective data of each channel is obtained through single-channel processing, and then a corresponding drop point distribution index code is generated through table look-up and cross-channel processing; and then adaptive weight selection is carried out according to the drop point distribution index code, so that the weight accuracy of weighted average operation is ensured, key support is provided for rapid and accurate calculation of the center position of the electronic cloud cluster, and high efficiency and accuracy of the whole data processing flow are ensured.

The invention discloses a coal mine underground vehicle anti-approaching monitoring and early warning method, which comprises the following steps: S1, acquiring original data of an identification card worn by an underground worker through a card reading substation installed on a vehicle, and arranging a first antenna A, a second antenna B and a third antenna C on the card reading substation, the central points of the first antenna A, the second antenna B and the third antenna C are arranged in an equilateral triangle form, and a coordinate point set of the identification card is calculated according to the original data of the identification card acquired by the first antenna A, the second antenna B and the third antenna C. According to the coal mine underground vehicle anti-approaching monitoring and early warning method provided by the invention, by processing the coordinates of the identification card, the distance between an underground worker and the vehicle is monitored in real time, the situation that the worker approaches the vehicle is warned in advance, the risk that the underground worker is collided by the vehicle is reduced, and the safety of coal mine underground operation is improved.

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.

According to the rice cultivation seedbed field surface terrain and cultivation depth integrated measurement method and the rice cultivation seedbed preparation equipment, a rotary cultivator serves as a measurement platform, and a double-antenna GNSS and an IMU are installed on a rack and a dragging plate respectively so as to measure the course angle, the pitch angle and the roll angle of the cultivator and the rotation angle of the dragging plate relative to the rack; establishing a vehicle body coordinate system; establishing a spatial position vector of the deepest soil cutting point of the rotating blade and a carriage profiling point under a vehicle body coordinate system; during rotary tillage operation, a homogeneous coordinate transformation method is adopted to synchronously measure three-dimensional coordinates of the deepest soil cutting point and the profiling point under coordinates of the east, north and sky, and a deepest soil cutting point set and a profiling point set are constructed; combining the two point sets, extracting plane coordinates of the farmland boundary, and arranging plane grid points; estimating the field terrain height of each plane grid point by using the profiling point set; and estimating the tilling bottom layer terrain height of each plane grid point by using the deepest soil point set, and calculating the tilling depth of each grid point. The invention has high efficiency and accuracy, and belongs to the mechanical agricultural equipment manufacturing technology.

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.

Flexible, longitudinally extended sensors comprising variably resistive and / or inductive sensing material. Sensors connect to an external processing unit using as few as 2 wires. In operation, sensors measure resistance / inductance along their longitudinal extent (curve). Spectral de-multiplexing allows electrical property differences along sensors to be resolved. This enables shape tracking of the flexible sensor. The sensor principles are suitable for the production of ultra-small diameter probes (for example, smaller than 0.5 mm) of arbitrary length (for example, 30 cm long). There are potential advantages for cost efficiency and ease of manufacture. The sensor can be constructed as a shape tracked guidewire to enable endovascular navigation procedures. The sensor's tracked shape enables deformation tracking of the anatomy. Using the sensor's tracked shape rather than repetitive X-ray imaging improves navigational accuracy and reduces exposure to radiation.

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

The application discloses a cable-stayed bridge pylon digital monitoring method and related equipment, and relates to the technical field of bridge monitoring. The method comprises the following steps: acquiring initial data, wherein the initial data comprises pylon environment data and three-dimensional shape information; positioning a skeleton position based on magnetic coding data and the three-dimensional shape information; adjusting a template posture based on the skeleton position, so that the template posture matches the skeleton position, and acquiring correction data in the adjustment process; monitoring a pouring process based on an intelligent hydraulic control system to obtain dynamic data; based on a concrete surface image, analyzing feature points of the concrete surface image, calculating a deviation error, and determining deviation data; integrating multi-source data to monitor a pylon structure, and predicting a health state of the pylon structure, wherein the multi-source data comprises the initial data, the correction data, the dynamic data, and the deviation data.

The cigarette paper smoldering instrument calibration device comprises a shell, a mounting plate is arranged in the shell, and the bottom of the mounting plate is connected to a guide rail at the bottom of the shell through a sliding block; a length measuring sensor and a control circuit are mounted above the mounting plate; and one end of the sliding block is connected with a smoldering line simulator outside the shell. In order to guarantee the measurement accuracy of the smoldering instrument, a calibration device for the smoldering instrument is arranged, the smoldering line simulator is used for simulating the smoldering process of cigarette paper, errors caused by differences of components can be reduced to a great extent, and the smoldering accuracy of the smoldering instrument is improved. The actual detection process is used for calibration, so that the detection distance of the tested instrument can be restored to the maximum extent, and the method is better than methods for calibrating the linear distance of the installation position of the detector.

A battery manufacturing system is provided according to an example embodiment. The battery manufacturing system is configured to unwind an electrode sheet from a first electrode roll and wind an electric electrode into a second electrode roll, and includes: a server configured to store coordinate data of the first electrode roll and reference point data indicating a reference point on the first electrode roll; a programmable logic controller (PLC) configured to load coordinate data and reference point data of the first electrode roll from a server; and a reference point sensor configured to sense a reference point on the electrode sheet unwound from the first electrode roll and generate a reference point sensing signal. The PLC may be configured to obtain coordinate data of the second electrode roll by calibrating an inverted coordinate value of a stored coordinate value included in coordinate data of the first electrode roll based on an inverted coordinate value of a stored reference point coordinate value included in the reference point data and a coordinate value of a sensing reference point.

The present invention provides a contact probe debugging device and debugging method thereof. The contact probe includes a probe body, a stylus, and a stylus ball. The contact probe debugging device comprises: a clamping mechanism comprising a fixed end and a lifting end, the fixed end being used to horizontally fix the contact probe; the lifting end being connected to the fixed end and being used to adjust the height of the fixed end and the contact probe; a measuring mechanism comprising a debugging platform, a displacement sensor, and a sensor adjustment member. The debugging platform is disposed below the stylus ball with its debugging end positioned relative to the stylus ball and being used to drive the stylus ball to move vertically; the displacement sensor is disposed above the stylus ball and relative to the stylus ball, the measurement direction of the displacement sensor being parallel to the movement direction of the stylus ball; and the sensor adjustment member is connected to the displacement sensor. The contact probe debugging device of the present invention can detect the stability of the stylus signal triggering when the stylus ball is installed at different angles relative to the probe body, thereby selecting an appropriate angle for installing the stylus ball.

The invention discloses a measuring device, an automatic replacement system and a contact type measuring component thereof, the contact type measuring component comprises an installation assembly and a detection assembly, the detection assembly comprises a probe, a first trigger piece and a second trigger piece, and the second trigger piece is matched with the first trigger piece to form an electronic switch. The detection assembly is configured to output a path signal when the first trigger piece is in contact with the second trigger piece, and output a trigger signal used for representing that the probe is in contact with the surface of the object to be detected when the first trigger piece is not in contact with the second trigger piece; the mounting assembly comprises a magnetic control part which is connected with the electronic switch in parallel and has a switching effect, the mounting assembly is configured to output a path signal when the magnetic control part is switched on in response to the change of the magnetic field, and the detection assembly is configured to be detachable from the mounting assembly when the magnetic control part is switched on. Under the condition, the problem of replacement failure of the measuring part caused by structural limitation of a self-triggering part can be solved through a hardware control mode, so that the intelligent degree of the measuring equipment can be improved.

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.

The invention relates to a method for providing position information of an object (120) with a three-dimensional magnetic field strength sensor (125, 126) in the vicinity of a device (100) generating a magnetic stray field, comprising: providing (40) B0 reference data of the magnetic stray field at least along a first spatial direction, wherein the first spatial direction is orthogonal to a second spatial direction and a third spatial direction, and wherein the B0 reference data is provided along the first spatial direction at a predefined position in the second and third spatial directions; arranging (41) the magnetic field strength sensor (125, 126) of the object (120) at the predefined position; providing (42) a measured value of the magnetic field strength sensor (125, 126) at the predefined position;Providing (43) position information of the object (120) in the first spatial direction based on the B0 reference data and the measured value.;

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.

A medical system tracks the position of a medical instrument within a body of a patient. The medical instrument includes an electromagnet structure having an inductor coil wound around a core. A control circuit applies a low frequency excitation signal across the inductor coil. The inductor coil and the core generate a magnetic field. A plurality of sensors sense parameters of the generated magnetic field and produce sensor signals. The control circuit calculates the position of the medical instrument based on the produced sensor signals.

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.