412results about "Point coordinate measurements" patented technology

A non-contact three-dimensional displacement sensor disclosed by the present invention comprises a mechanical probe and a detection circuit, the mechanical probe part comprises a differential fixed block and an end cross beam, and two parallel inner side surfaces of the differential fixed block are fixedly provided with a first differential coil and a second differential coil respectively. A first target conductor located under the first differential coil is fixedly arranged on the top face of the suspension end of the cross beam, and a second target conductor located over the second differential coil is fixedly arranged on the bottom face of the suspension end of the cross beam. A pair of receiving coils Lx is fixedly arranged on the top face of the first target conductor or / and the bottom face of the second target conductor in the horizontal x direction, a pair of receiving coils Ly is fixedly arranged in the horizontal y direction, and the two pairs of receiving coils form a structure shaped like a Chinese character'jing '. The non-contact three-dimensional displacement sensor provided by the invention has better quasi-static resolution and displacement sensitivity in three directions, realizes decoupling in all directions, and has excellent performance in indexes such as linearity, measuring range and the like.

The invention discloses a submarine cable detection method and device based on quantum magnetometers, the device comprises a multi-frequency signal generating device and a quantum magnetic field sensing device, and the quantum magnetic field sensing device comprises a first quantum magnetometer, a second quantum magnetometer and a signal processing module; according to the method, two quantum magnetometers which are horizontally installed are used for detecting the ratio of amplitude values of alternating magnetic fields generated by two equal-amplitude alternating currents with different frequencies in a submarine cable, and the distance relation between the two quantum magnetometers and the submarine cable is judged by comparing the ratio values detected by the two quantum magnetometers. And when the ratios detected by the two quantum magnetometers are equal, the position of the motion platform is the position of the submarine cable. The quantum magnetometer is used as a core sensor, so that the influence of posture change of the motion platform on detection data jitter is reduced, and the detection precision is improved; and a multi-frequency signal detection mode is adopted, so that the difficulty of extracting the characteristic magnetic field signal generated by the submarine cable to be detected from the total magnetic field is reduced.

The invention relates to a coordinate measuring machine with a ram anda probe head ora sensor oran articulating head / unit orwith an articulating head / unit with a probe head or sensor positioned on the articulating head / unitand / orwith an interfacein which the probe head or the sensor or an adapter for the articulating head / unit and / or the interface is / are positioned at least partially in the ram.

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.

The present application provides a dam deformation monitoring method, system, equipment and storage medium, which relates to the technical field of water conservancy and hydropower engineering monitoring. The method includes: obtaining displacement data of a monitoring point on the dam within a first preset time period, calculating the displacement change rate of the monitoring point within the first preset time period according to the displacement data; predicting the first displacement change amount of the monitoring point within a second preset time period according to the displacement change rate; obtaining meteorological data of the environment where the dam is located within the second preset time period, generating a meteorological influence coefficient according to the meteorological data, adjusting the first displacement change amount according to the meteorological influence coefficient, and obtaining a second displacement change amount; obtaining an aging coefficient of the structural material of the dam, adjusting the second displacement change amount according to the aging coefficient, and obtaining a target displacement change amount of the monitoring point; when the target displacement change amount of the monitoring point exceeds the preset change amount, generating early warning information. The technical effect of the present application is to improve the accuracy of the deformation trend prediction of the dam.

A coordinate measuring machine (CMM) for determining spatial coordinate data of an object point on a workpiece. The CMM comprising, a first limb, a probing element, a second limb, and a coupling interface. The probing element provides probing data regarding an interaction between a sensing area and the object point. The first limb connects the sensing area to a first proximal end. The coupling interface is configured to provide coupling data regarding an interaction between a coupling area and a reference point having a defined spatial relationship to the object point. The second limb connects the sensing area to a second proximal end mechanically constrained to the first proximal end.

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 head space positioning method, device and system based on electrical impedance tomography, and the method comprises the steps: constructing a corresponding three-dimensional model according to the basic parameters of a flexible electrode cap, and carrying out the finite element meshing, and obtaining a three-dimensional mesh model; performing electric field distribution calculation on sampling points of the three-dimensional grid model according to a preset calculation rule to obtain corresponding touch electrode response information; generating a sensitive field matrix corresponding to the sampling points and the electrode pairs in the flexible electrode cap according to the touch electrode response information; performing projection matching according to the initial voltage data of the electrode pair and the sensitive field matrix to obtain projection matching information; and performing model training according to the projection matching information and the tensile deformation data of the flexible electrode cap to obtain a voltage feature-space coordinate mapping relation, and analyzing the induced voltage data of the electrode pair to obtain corresponding target coordinate information. According to the method, the voltage change of the flexible electrode cap is obtained and analyzed to obtain the coordinate information, and the positioning accuracy and stability are improved.

The invention relates to a rapid measurement system and method for the axis of a heat insulation pipeline, and the method comprises the steps: obtaining the feature information of the pipeline through the cooperation of multiple sensors and a movement mechanism, calculating the center of the metal inner wall of the heat insulation pipeline through a provided center searching algorithm, and calculating the center of the metal inner wall of the heat insulation pipeline according to the large-size features and mechanism movement control. Feature information of the heat insulation pipeline is rapidly captured, and the pipeline axis is calculated. The system comprises a laser distance measuring sensor, an eddy current sensing system, a circumferential rotating device, a radial feeding device, an axial feeding device, a high-speed data acquisition system, upper computer software and the like.

A system for tracking a position of an electrode of a battery cell is disclosed which comprises: a controller configured to acquire coordinate information of the electrode and a cell identification (ID) of the unit electrode; a calculator configured to calculate coordinates of the cell ID, the coordinates of the cell ID corresponding to one or more positions of the unit electrode; a roll map generator configured to generate a roll map based on the coordinate information of the electrode obtained from the controller, the roll map including coordinates of the roll map based on a dimension in a length direction of the electrode; and a mapping part configured to compare the coordinates of the roll map with the coordinates of the cell ID to derive the one or more position of the unit electrode during the electrode manufacturing process from which the unit electrode originates.

According to exemplary embodiments of the present invention, a battery manufacturing method is provided. The manufacturing method includes: a first step of obtaining, for an electrode sheet having a pattern in which coating parts and non-coating parts are repeatedly arranged, pattern indicator data indicating the position of the pattern on the electrode sheet and measurement data and / or inspection data; a second step of associating the pattern indicator data with the measurement data and / or the inspection data, and a third step of generating inter-process monitoring data by making the pattern indicator data for each of a plurality of processes correspond to the same physical position of the electrode sheet.

The invention provides a displacement inversion method for a deepwater riser structure. The method comprises the following steps: collecting and measuring sparse discrete curvature data in real time; acquiring continuous curvature data through an interpolation method; drawing a continuous curve based on the continuous curvature data and the position information thereof, and dividing the continuous curve in real time to obtain the length of a continuous curve infinitesimal segment; the method comprises the following steps: acquiring relative position information of the middle part of a riser and a water surface platform, recursively acquiring a lower half section continuous curvilinear equation from the bottom end to the middle part, recursively acquiring an upper half section continuous curvilinear equation from the water surface to the middle part, integrating the upper half section and the lower half section to acquire a whole section continuous curvilinear equation, and calculating # imgabs 1 #, # imgabs 2 #, # imgabs 3 #, # imgabs 4 # and # imgabs 5 # at any position; wherein # imgabs2 is inversion displacement data corresponding to the position of the outer side of the deepwater riser structure. Deepwater riser structure displacement inversion is carried out only through real-time monitoring curvature data, and the method has high adaptability; and the provided end error elimination strategy can solve the problem of the end accumulated error amplification effect in the recursion process of the traditional space curve method.

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.

The invention provides a photovoltaic support pile position coordinate positioning method and system suitable for mountain topography. The method comprises the steps that the center position of a photovoltaic support structure to be constructed is determined; a real-time dynamic difference technology is adopted to measure topographic representation conditions in the range of a photovoltaic support to be constructed and judge the south-north rotation angle and the east-west rotation angle of the photovoltaic support, so that coordinate points of a pile position point rotate around the X axis and the Y axis when the photovoltaic support to be constructed is horizontally placed, and point position coordinates after the coordinate points rotate around the X axis and the Y axis are obtained; and finally, obtaining the pile position coordinates of the photovoltaic bracket to be constructed. According to the method, support pile position coordinates are accurately calculated based on micro-topographic data measured on site, the problem of photovoltaic support installation in a complex mountain environment is solved, high-precision and high-efficiency construction is achieved, construction risks are reduced, the overall construction quality of a photovoltaic power station is ensured, reliable data support is provided for smooth implementation of a project, and the method is suitable for popularization and application. And powerful technical support is provided for construction of a photovoltaic power station.

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.

A systems and methods for tracking a position of an electrode. The system may include: a notching controller configured to store pitch information of a unit electrode and to acquire electrode coordinate information of the electrode in a roll-to-roll state during a notching process and a cell identification (ID) of the unit electrode; a calculator configured to calculate coordinates of the cell ID from the pitch information and the cell ID; a roll map generator configured to generate a roll map based on the electrode coordinate information transmitted from the notching controller; and a mapping part configured to compare the coordinates of the roll map with the coordinates of the cell ID to derive an electrode position of the electrode during the electrode manufacturing process from which the unit electrode originates.

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 earthwork construction quantity metering method based on structured light vision measurement. The earthwork construction quantity metering method is based on a measuring device composed of a line structured light sensor and a multi-label ultra-wideband positioning subsystem. The method comprises the following steps: acquiring a three-dimensional coordinate of an ultra-wideband base station in a construction area coordinate system; three-dimensional coordinates of the earthwork slope contour are obtained; performing real-time conversion relation calculation on the coordinate system of the linear structured light sensor and the coordinate system of the construction area to obtain a conversion matrix; the coordinates of the earthwork slope contour and the conversion matrix are converted into coordinates under a construction area coordinate system; the method comprises the following steps: before and after earthwork construction, scanning an earthwork slope by adopting a measuring device to respectively obtain all coordinate point sets on an earthwork outline; and for all coordinate point sets on the earthwork contour, obtaining a volume difference in a least square fitting mode, and taking the volume difference as the earthwork volume change in the current construction process. According to the invention, direct measurement of the earthwork slope contour is realized through three-dimensional reconstruction, and the high-precision measurement effect of the earthwork position in the area is improved.

A computer-implemented method (600) for determining a location of at least one user-borne device (100) comprises obtaining magnetic field measurements (610) associated with at least one magnetic object (110) with a plurality of magnetometers (300), wherein the at least one magnetic object (110) is coupled to at least one user-borne device (100), and wherein the at least one user-borne device (100) is associated with an interaction reference coordinate system (Xs, Ys, Zs). The computer-implemented method (600) comprises obtaining orientation data (620) from at least one orientation sensor (520), wherein the at least one orientation sensor (520) is arranged in an electronics device (500), and wherein the plurality of magnetometers (300) is arranged in the electronics device (500). Furthermore, the computer-implemented method (600) comprises determining an orientation and a position (630) of the plurality of magnetometers (300) relative to the interaction reference coordinate system (Xs, Ys, Zs) based on the obtained orientation data. Additionally, the computer-implemented method (600) comprises determining a user-borne device location (640) relative to the interaction reference coordinate system (Xs, Ys, Zs) based on the obtained magnetic field measurements and the determined orientation and position.

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 provides an absolute position detection system. The absolute position detection system comprises a magnetic grid, a magnetic field sensing module and a position calculation module, wherein the magnetic grid is formed by alternately arranging N-S magnetic poles; in the arrangement direction of the magnetic poles, the heights of the magnetic poles of the magnetic grids are the same, and the widths form an arithmetic progression. The magnetic field sensing module is composed of four magnetic resistors which are arranged on the plane parallel to the magnetic grid at equal intervals and have the same sensing coefficient and the same sensing direction. And the position calculation module determines the position of the magnetic field sensing module relative to the starting point of the magnetic grid according to the uniqueness of output signals corresponding to different positions of the magnetic field sensing module opposite to the magnetic grid. The absolute position detection system is matched with a corresponding calculation method, absolute position measurement is achieved through a single magnetic track, the size of the absolute position detection system is greatly reduced, and the absolute position detection system can well meet the application requirement of absolute position detection in a narrow space range.

The invention provides a wafer displacement identification method and device, equipment, a medium and a product, and the method comprises the steps: constructing a plane coordinate system through a plane where a to-be-detected wafer is located, and obtaining a first length value collected by a first capacitive sensor and a second length value collected by a second capacitive sensor; acquiring a first standard position coordinate of the first capacitive sensor on the plane coordinate system and a second standard position coordinate of the second capacitive sensor on the plane coordinate system; and according to the first length value, the second length value, the first standard position coordinate and the second standard position coordinate, calculating the offset from the actual circle center of the wafer to be measured to the original point. According to the method, the offset distance of the actual circle center of the wafer to be measured in the horizontal plane direction can be accurately calculated by designing the layout mode of the coplanar capacitive sensors, the method has low requirements for light conditions, contact with the wafer is not needed, the recognition accuracy is further improved, and the wafer breakage rate is reduced.

The invention relates to the technical field of intelligent marking and positioning, in particular to a power cable position intelligent marking and positioning system which comprises a sensor data acquisition module, a position correction module, an electromagnetic characteristic analysis module and a position synchronization and marking module. According to the method, the position deviation of the cable can be accurately calculated by combining measurement of the soil magnetic field intensity value and data normalization, real-time correction and refined position analysis are implemented, so that fault detection is quicker and more accurate, the maintenance plan is optimized, the cable damage risk is remarkably reduced, spectrum analysis is introduced to enhance the signal analysis capability, and the fault detection accuracy is improved. According to the method, the depth of the cable is accurately measured, the safety and maintainability of the underground cable are effectively supported, the real-time performance and the accuracy of data are ensured through real-time synchronization with a GIS database and automatic updating and marking of position information on a GIS map, and the response capability and the stability of a power grid are effectively improved.

A method of compensating for thermal or temperature-related effects in a non- Cartesian coordinate positioning machine is described, wherein the geometry of the machine is characterised by a set of interdependent model parameters which have been optimised together via an iterative numerical optimisation or error minimisation routine carried out previously as part of a calibration method, and wherein the method comprises applying an adjustment to one or more of the parameters of the model based on a measure of temperature.

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.

A magnetic drive with an absolute encoder for determining the absolute position of a first body of the magnetic drive, which is adjustable to a second body of the magnetic drive and displaces it by a position, in particular a length position. The first body has sensor elements for determining the absolute position of the first body from a scale of the absolute encoder, and the second body comprises magnetic drive elements arranged equidistantly in a track plane along a track direction, in particular at a magnetic track, wherein the scale is formed by the respective arrangement of the drive elements in the track plane.