56results about How to "Realize high-precision positioning" patented technology

The utility model provides an automatic material belt pulling device which comprises a first motor, a second motor and a material belt, the output end of the first motor and the output end of the second motor are each fixedly provided with a gear motor, a support is fixedly installed on each gear motor, and a power shaft is fixedly installed at the output end of each gear motor; the other end of the power shaft penetrates out of the support, the power shaft is rotationally connected with the support through a bearing, and a material pulling wheel is fixedly installed at the other end of the power shaft. A base is fixedly installed on the front side of the bottom of the support, and a movable block is slidably installed on the base through a countersunk head guide column. The material belt is located between the movable block and the material pulling wheel. Through the integral arrangement, the material belt can be automatically positioned and moved in the mold, the injection molding process is reduced, the labor cost can be effectively saved by matching a punching device after a product is punched out, the waste rate of the material belt is reduced, and the production efficiency of the product can be ensured.

The invention discloses an AFM target point positioning trajectory planning system and method based on deep learning, and relates to the technical field of nanometer manipulation.The AFM target point positioning trajectory planning system based on deep learning comprises the steps that a sample morphology image is obtained through an AFM scanning module, a sample area is determined through processing of an image segmentation module, and a target point positioning trajectory is obtained; the path planning module generates an original path, then the deep learning model module predicts a positioning track, the track comparison module compares differences, then the positioning control module realizes accurate positioning, and finally the mechanical detection module detects mechanical data of a target point.

The invention discloses a non-cooperative moving target positioning method based on a multi-base positioning system. The method comprises the following steps: modeling the multi-base positioning system; dTD measurement information, DTD-rate measurement information and TDOA measurement information are extracted; dTD, DTD-rate and TDOA (time difference of arrival) measurement models are constructed; a TDOA measurement model is preprocessed by adopting a step-by-step estimation method, a generalized trust domain sub-problem is constructed, # imgabs0 # is solved, a DTD measurement model and a DTD-rate measurement model are preprocessed by adopting the step-by-step estimation method, a constrained weighted least square problem is constructed, the constrained weighted least square problem is relaxed into a convex positive semidefinite programming problem by utilizing a positive semidefinite relaxation method, and the convex positive semidefinite programming problem is solved. A CVX toolbox of Matlab is adopted to solve # imgabs1 # and # imgabs2 # for a positive semidefinite programming problem, or a joint estimation method is adopted to pre-process a DTD measurement model, a DTD-rate measurement model and a TDOA measurement model, a constrained weighted least square problem is constructed, a positive semidefinite relaxation method is utilized to relax the constrained weighted least square problem into a convex positive semidefinite programming problem, and the positive semidefinite programming problem is obtained. Solving # imgabs3 # for positive semidefinite programming problem by using CVX toolbox of Matlab

The invention relates to the technical field of submerged dike construction, in particular to a fine placement construction process for an accropode group under large water depth. The construction method comprises the following steps: S1, construction preparation: prefabricating an accropode group, and transporting the accropode group to a construction site; s2, underwater measurement and positioning: measuring the underwater topography to obtain underwater topography data, and arranging a positioning system; s3, hoisting: performing real-time monitoring and position adjustment by using an underwater visual monitoring system, and accurately sinking the accropode group to a preset position; s4, checking after sinking: collecting sinking data of the accropode group, and carrying out quality checking; s5, adjusting the sinking position: correcting the position according to the inspection result to ensure the stability of the accropode; according to the technology, by comprehensively applying high-precision positioning, real-time monitoring and intelligent adjusting technologies, the hoisting precision and construction efficiency of the accropode group in the large water depth environment are remarkably improved, and the quality problem caused by position deviation is effectively solved.

The invention relates to an acoustic signal processing and biological recognition technology, in particular to a method for fusing sound source localization and voiceprint recognition, a chip and electronic equipment. The method comprises the following specific steps: synchronously acquiring an environment audio signal through an audio acquisition module array and processing the environment audio signal to obtain audio data; and analyzing the audio data to obtain deep fusion voiceprint features. And judging whether a registered user feature library contains the deep fusion voiceprint feature or not, if so, outputting a sounder identity, and if not, marking and endowing an identification number of the sounder identity. And positioning the sound source based on the audio data to obtain a space coordinate thereof. And establishing an identity-position association model, binding identity information output by voiceprint recognition with space coordinates obtained by sound source positioning, and generating identity-position association data. According to the method, the technology is fused and innovated, accurate linkage of identity-position is realized, high real-time performance and strong anti-interference capability are realized, and the method is adaptive to complex scenes.

This utility model provides an eccentric machining clamping fixture, including a disc; the disc has a central hole; it also includes a positioning seat, a correction component, a left limit stop, and a gripper assembly; the positioning seat is fixed on the right side of the disc; the positioning seat has a positioning hole at its center for positioning the workpiece; the positioning seat has a correction component mounting groove below the positioning hole; the correction component includes a slide, a correction slider, a spring, and an adjusting shaft; the slide is fixed at the position of the correction component mounting groove; the correction slider is slidably connected to the slide within the slide; the upper end of the correction slider has a correction protrusion extending into the positioning hole; the spring is installed between the slide and the correction slider to apply upward elastic force to the correction slider; the adjusting shaft is installed on the positioning seat and its end is connected to the correction slider to control the downward movement of the correction slider; the left limit stop is located on the left side of the positioning hole and its two ends are fixed on the positioning seat; the gripper assembly is installed on the upper part of the positioning seat to clamp and fix the workpiece in the mounting hole.

This utility model provides a pneumatic lifting device for electronic trays, including a tray positioning assembly, a drive assembly, and a handling robot. The tray positioning assembly inserts a central positioning cone into the center hole of the tray, and, in conjunction with a pressure plate, clamps the tray to achieve precise vertical positioning. The drive assembly uses a downward-pressing cylinder to drive the limit plate to rise and fall, with linear bearings ensuring stability. The handling robot uses a rotary cylinder, a gripper cylinder, and a synchronous belt mechanism to achieve 45-degree rotation and extend / retract the fork, completing the tray gripping and handling. This device has a compact structure, high positioning accuracy, and strong adaptability, significantly improving the efficiency and stability of automated production, and is suitable for various electronic trays.

The present application discloses a contact lens. The contact lens comprises a lens body and an embedded module. The lens body comprises an optical part and a ring-shaped wearing part surrounding the optical part. The embedded module is embedded in the ring-shaped wearing part, and the embedded module comprises a front support ring, a rear support ring and a circuit structure clamped between the front support ring and the rear support ring. The front support ring and the rear support ring are both made of ophthalmic materials and surround the outside of the optical part. A front curve of the front support ring is flush with the front surface of the lens body. A rear curve of the rear support ring is flush with the rear surface of the lens body, so that they are collectively suitable for wearing on an eye. Accordingly, the high-precision positioning of the circuit structure can be realized during the production process of the contact lens, so that the contact lens has high consistency during mass production.

The utility model discloses an auxiliary chamfering mechanism of an edge grinding machine. The auxiliary chamfering mechanism comprises a base; the X-axis motor is mounted on the base and is connected with the lathe head through a screw rod; the lathe head is installed on the base through a guide rail sliding block and can move in the X direction along a guide rail; the left shaft is mounted in a left shaft hole of the lathe head, and the left chuck is mounted at the shaft end of the left shaft; the right shaft is mounted in a right shaft hole of the lathe head, and the right chuck is mounted at the shaft end of the right shaft; the grinding wheel is mounted on the base and can move back and forth; the displacement sensor is mounted on the headstock; the stop block is mounted on the right shaft; the mounting seat is mounted on the stop block; the handle mechanism is installed on the lathe head and used for controlling the right shaft to slide along the shaft hole. The position of the right shaft clamping the product is detected in real time through the displacement sensor, so that the change of the thickness of the product is detected, compensation is carried out in the control system, and the problem of inconsistent chamfers caused by the thickness error of the product is solved.

The utility model discloses a novel light guide plate with uniform light distribution relates to novel light guide plate technical field, this novel light guide plate with uniform light distribution includes novel light guide plate, and the novel light guide plate four corners are all connected with fixed clamp seat, the utility model discloses, light guide plate adopts gradual change compound dot, and the design of circular dot and rhombus dot is combined with the layout of optical simulation optimization, and the optimization surface light intensity solves the problem of uneven light emission from the light conduction source, and the nanometer diffusion film cooperates with the micro prism brightening layer, and the light is regulated by secondary scattering and total reflection, and the light emission uniformity is improved 40% than traditional light guide plate, and effectively eliminates bright spot, dark area, and adapts high -end display, precision lighting scene.

The embodiment of the invention provides a quantum dot information encryption access method and device, computing equipment and a storage medium, and belongs to the technical field of optical storage, and the method comprises the following steps: carrying out an exposure experiment on a quantum dot photoresist storage layer through a direct-writing photoetching system to obtain a relation curve of exposure parameters and excitation light intensity; multiplying and accumulating the original data matrix corresponding to the to-be-stored information and a group of random key matrixes to obtain encrypted data; according to the relation curve, recording the encrypted data on the quantum dot photoresist storage layer through a direct writing photoetching system; quantum dot excitation is carried out on the storage layer after data recording is completed, the excitation light intensity is detected, and an excitation light intensity vector is obtained; and performing second-order association reconstruction operation on the excitation light intensity vector and the random key matrix to recover original data. According to the scheme, efficient and high-precision encrypted storage and reading of data can be realized, and high-precision data positioning is realized.

This utility model relates to the field of foam adhesive application technology, specifically to a positioning device for foam adhesive application, including a die-cutting machine body, a positioning component, and a conveying component. The positioning component includes a pressing platform, a positioning base plate, a positioning pressure plate, and positioning pins. The pressing platform is fixedly connected to the die-cutting machine body and located on the outside of the die-cutting machine body. The positioning base plate is fixedly connected to the pressing platform and located on top of the pressing platform. The positioning pressure plate is detachably connected to the positioning base plate and located on top of the positioning base plate. There are multiple positioning pins, each threadedly connected to the positioning base plate and passing through the positioning pressure plate. The conveying component is connected to the die-cutting machine body. This device solves the problems of poor positioning accuracy, low efficiency, insufficient equipment adaptability, and lack of real-time monitoring and adjustment mechanisms in the prior art for foam adhesive application, thereby improving the quality and production efficiency of foam adhesive application.

The utility model provides a kind of weld seam fast location device, including workbench, limiting unit, clamping drive unit, detection unit and control unit, workbench is obliquely arranged, limiting unit forms tapered guide channel on workbench, workpiece can slide in guide channel along workbench;Workpiece is in place after being clamped by the first rotating wheel and the second rotating wheel of clamping drive unit respectively on the both sides of compression ring, and drive workpiece rotation, when rotating, detection unit is used to detect weld seam position, adopt the double positioning mechanism of chroma sensor and integral camera, ensure the efficient accuracy of weld seam position, control unit is combined with sensor signal control drive, realize efficient whole-process automatic control, device structure is flexible, and the weld seam detection of the compression ring workpiece of multiple different models can be adapted and compatible.

The application provides a data identification method and device, electronic equipment and a storage medium, wherein the method comprises: determining an outdoor grid of a target cell based on an indoor and outdoor data identification model; the indoor and outdoor data identification model is established based on minimum drive test (MDT) data of the target cell; and indoor measurement report (MR) data of the target cell is determined based on MR data of the outdoor grid. The application establishes an indoor and outdoor data identification model based on MDT data, distinguishes indoor and outdoor MR data of a network device of a home broadband building surrounding coverage network, and realizes high-precision positioning of indoor and outdoor positions of a terminal.

The present application relates to the technical field of weld positioning, and particularly relates to a weld positioning and tracking method and system, comprising the following steps: S01, a small line laser sensor is used to project a laser line to a welding area on a workpiece surface, and multiple intersection point data are collected at a preset frequency, wherein the intersection point data comprises intersection point coordinates, reflection time and reflection intensity; S02, intersection point coordinates belonging to the weld area are selected based on the reflection time and the reflection intensity, and are marked as welding point coordinates; and S03, the real-time collected welding point coordinates are compared with a preset path, and it is determined whether a welding path adjustment instruction is generated. The weld positioning and tracking method provided by the present application can realize high-precision positioning of a weld even in a harsh welding environment by using a small line laser sensor in combination with an intelligent processing algorithm, and welding quality and consistency are improved.

The invention provides a displacement table and a conveying device, and relates to the technical field of semiconductor equipment manufacturing. The displacement platform provided by the invention comprises a stator unit, a mover unit arranged above the stator unit, a piezoelectric driving module capable of driving the mover unit to move relative to the stator unit, and an electromagnetic driving module, the piezoelectric driving module comprises a piezoelectric driving mechanism connected with the mover unit, and the piezoelectric driving mechanism is configured to act on the upper surface of the stator unit; the electromagnetic driving module comprises a conductor array arranged on the stator unit and a magnet array which is arranged on the mover unit and matched with the conductor array. According to the displacement table, large-stroke, high-speed and high-acceleration long-distance transmission can be achieved, meanwhile, high-precision positioning can be achieved, good position stability is achieved, the mover unit can span the stator units of the multiple displacement tables through the electromagnetic driving module, and therefore handover is achieved, and manual work or handover of a manipulator is not needed.

The invention discloses a synchronous rotating welding device for aluminum profile machining, and relates to the technical field of welding. The synchronous rotating welding device comprises a welding base, an electric lifting controller is fixedly connected to the top of the welding base, a welder is arranged at the bottom of the electric lifting controller, and a rotating welding mechanism is arranged at the top of the welding base. By arranging the rotary welding mechanism, a left electric telescopic rod and a right electric telescopic rod are started to draw close to the middle to clamp a cylindrical profile, and after clamping, a rotary driver is started to control a hollow telescopic sleeve and a clamping block to rotate; and meanwhile, the electric lifting controller automatically lifts to drive the welding device below to a proper position to weld the surface of the cylindrical workpiece, the cylindrical workpiece is driven to rotate along with the clamping block during welding, and stable rotating welding work is achieved.

The invention discloses a fully mechanized coal mining face target positioning method based on vision, and the method comprises the following steps: 1, calling two cameras adjacent to a fully mechanized coal mining face target object to obtain a monitoring image, and determining the center coordinates of the target object in the image; 2, the coordinates of the target object are accurately corrected, and the corrected center coordinates of the target object in the monitoring image are obtained; step 3, calculating a horizontal deviation angle of the target in the monitoring image; step 4, based on a binocular ranging principle, measuring and calculating the distance between the target object and the camera device to obtain positioning data of the target object; and step 5, updating the rack number of the adjacent camera at the next moment. According to the method, the horizontal distance between the target object and the camera adjacent to the target object is accurately calculated on the premise that the camera mounting rack number position is known through the target recognition technology and the specific fully-mechanized coal mining face image correction technology, and efficient target positioning of the fully-mechanized coal mining face is achieved.

The invention provides a non-uniform medium ground vibration continuous signal positioning method, system and device, and the method comprises the steps: selecting a reference node based on a preset vibration sensor node, and dividing a monitoring block; calculating time delay estimation and energy attenuation parameters from the vibration signal of each monitoring block to all nodes, and constructing a vibration signal transmission parameter retrieval table; collecting node data in real time, and judging whether a target signal appears according to the signal spectrum and energy; if yes, traversing all the monitoring blocks, and for each monitoring block: calculating actual energy values and ratios of target signals of all nodes; according to the energy calculation value of the reference node and the vibration signal transmission parameter retrieval table, estimation energy values of other nodes are estimated, and the ratio is calculated; and determining the position of the ground vibration continuous signal according to the error. According to the method, the problems that the propagation characteristics of the vibration signals in the anisotropic inhomogeneous medium are changed and the time delay estimation cannot be accurately searched for the continuous vibration signals are solved.

The utility model relates to the technical field of keel processing, and discloses a dust removal filter bag keel auxiliary welding automatic threading device which comprises a working table, an operation panel is installed on the rear side of the top of the working table, a conveying mechanism is connected to the left side of the top of the working table, a sensor and an encoder are installed in a pedestal, and the sensor and the encoder are connected to the working table. A servo motor is installed at the left end of the pedestal, a three-jaw self-centering chuck is installed at the outer end of the supporting arm, and a laser radar and a camera are installed on the outer side of the three-jaw self-centering chuck. According to the dust removal filter bag keel auxiliary welding automatic wire penetrating device, the position and state of the keel are monitored through the sensor and the encoder additionally arranged in the conveying mechanism, the position and state are compared with preset position data, the control system can rapidly adjust the action of the actuator, high-precision positioning is achieved, and the automation degree is high. And a laser radar or a camera system is additionally arranged outside the three-jaw self-centering chuck, so that the three-jaw self-centering chuck can be conveniently adapted to different sizes, shapes and differences.

This invention provides a multi-sensor fusion positioning method, comprising: processing ultra-wideband measurement data to obtain ultra-wideband positioning data; fusing inertial navigation data and satellite navigation data to obtain fused positioning data; processing laser point cloud data by combining inertial navigation data and prior maps to obtain laser point cloud positioning data; and fusing odometer data, fused positioning data, ultra-wideband positioning data, and laser point cloud positioning data to obtain a motion state estimation result for the target object. This invention solves the problem of low accuracy in vehicle navigation systems in existing technologies, especially the positioning drift problem in complex scenarios. This invention improves the robustness of the positioning system in complex scenarios (underground mining) by evaluating the information quality of different sensors and through efficient multi-source data fusion and collaborative positioning algorithms.

The application relates to the technical field of semiconductor manufacturing equipment, in particular to an anti-interference positioning device. The anti-interference positioning device comprises an anti-interference device, a positioning mechanism and a non-contact connecting assembly; the anti-interference device has an accommodating space in the interior; the non-contact connecting assembly comprises a first connecting piece and a second connecting piece which are arranged at intervals, the first connecting piece is connected with the anti-interference device, the second connecting piece is connected with the positioning mechanism, the first connecting piece can provide a suspension force to the second connecting piece and adjust the suspension force according to interference conditions, so that the positioning mechanism is suspended at and kept at a predetermined position in the accommodating space. The anti-interference positioning device, because the positioning mechanism is connected with the anti-interference device in a non-contact mode, the positioning mechanism will not vibrate with the anti-interference device, the positioning mechanism can be kept stable, and high-precision positioning of a workpiece is realized.

The invention provides a Beidou positioning device and method, and the device comprises a processor unit which is used for processing and forwarding positioning data; the positioning unit is connected with the processor unit, is connected with an external antenna, and is used for obtaining an external signal through the external antenna, carrying out amplification, power distribution, frequency mixing, filtering and analog-to-digital conversion on the external signal, and extracting a Beidou positioning digital signal; and the communication unit is connected with the processor unit and is used for receiving a positioning signal obtained by the processor unit according to the Beidou positioning digital signal and outputting the positioning signal.

The invention discloses an ultrasonic imaging detection method for a lead-tin alloy sheath of a high-voltage cable terminal, and particularly relates to the technical field of ultrasonic imaging detection.The method comprises the steps that deconvolution processing is conducted on received ultrasonic echo signals on the basis of wavelet transformation, the overlapped ultrasonic echo signals can be effectively separated, noise in the signals can be eliminated, and the detection accuracy is improved. After bilinear interpolation is carried out on the generated lead-tin alloy sheath ultrasonic image, binarization processing is carried out to segment the image, the defect area is calculated after segmentation is completed, and then defect position information and the defect area are sent to a high-voltage cable terminal management center, so that high-precision positioning of defects can be realized; according to the evaluation method for the ultrasonic imaging detection quality control effect, ultrasonic echo signal de-noising data, ultrasonic image data and defect detection data in an ultrasonic imaging detection task period are collected, then ultrasonic imaging detection quality indexes are calculated through a series of processing, and the ultrasonic imaging detection quality can be guaranteed.

The application discloses a kind of under messy scene robot autonomous pickup and pose acquisition method of placement, the color image of work scene obtained by camera is as input, target information is obtained using semantic segmentation model and input information representation ability is strengthened, a kind of actor-critic form deep reinforcement learning method is used to remove obstacle autonomously and explore target object pose, then target placement pose is obtained using the method based on depth feature template matching, finally, pick and place object to specific pose, the scheme can explore the occluded target object in complex scene and place to specific pose.The scheme realizes high-precision positioning of target placement pose according to pickup pose, and the target pickup success rate in messy scene can reach more than 80%, which improves the success rate and stability of target placement pose acquisition task as a whole.

The utility model belongs to the technical field of electronic equipment manufacturing, concretely relates to an electromagnetic shielding disc assembling device, including base guide rail and shielding disc guide rail, the end of base guide rail is located the above of shielding disc guide rail end in vertical direction and both form perpendicular intersection layout on three -dimensional space and the inside of this intersection region is provided with machine base in the intersection region, integrated mechanism of grabbing riveting is integrated on the machine base, a plurality of bases are evenly arranged on the base guide rail along its length direction, a plurality of shielding discs that are matched with the base are correspondingly arranged on the shielding disc guide rail, a plurality of shielding discs are sequentially assembled on the corresponding base through grabbing riveting integrated mechanism. The utility model discloses through space layout optimization, function integration design and high-precision mechanical structure innovation, solves the low degree of automation, positioning accuracy deficiency, poor adaptability and other core problems in the prior art, realizes the efficient, high-precision assembly of electromagnetic shielding disc.

This invention discloses an AI-based intelligent safety monitoring method and system for coal bunkers in thermal power plants, belonging to the field of thermal power plant monitoring technology. The method includes: dividing the thermal power plant into coal bunker operating areas and non-operating areas based on a 3D visualization model; collecting video data from the coal bunker operating areas and preprocessing the video data; using anomaly recognition technology to analyze the preprocessed video data frame by frame to identify potential safety hazards in the coal bunker operating areas; these hazards include improper wearing of safety helmets, improper wearing of work clothes, and improper deployment of fire extinguishing equipment; constructing a risk level assessment model and using this model to assess the risks of potential safety hazards; and generating a multi-level early warning mechanism for the thermal power plant's coal bunker based on the risk assessment results. This invention achieves comprehensive and refined intelligent monitoring of the safety status of personnel operating in the thermal power plant's coal bunker and the deployment of fire extinguishing equipment.

The application relates to a surrounding rock loose zone monitoring method and system based on optical fiber anchor rod strain, which comprises the following steps: temperature compensation is performed on strain distribution information according to temperature distribution information, and real anchor rod strain distribution data are obtained; the axial force distribution and the shear force distribution of the anchor rod are analyzed according to the anchor rod strain distribution data, and a cross-section shear stress distribution model is constructed; the strain gradient distribution along the axial direction of the anchor rod is analyzed according to the anchor rod shear stress distribution model; a loose zone boundary identification model is constructed according to the axial force distribution and the strain gradient distribution, the strain mutation point position of the anchor rod is determined, the surrounding rock loose zone and the elastic zone are characterized by the strain mutation point, the strain mutation points of the anchor rods are connected, the boundary contour line of the surrounding rock loose zone is formed, and the range of the surrounding rock loose zone is determined. The scheme provided by the application can realize high-precision positioning, dynamic tracking of the surrounding rock loose zone boundary and dynamic optimization of a tunnel supporting structure design.

The present invention discloses a method and system for positioning a mobile target taking into account the pitch angle of a camera, and relates to the technical field of vehicle positioning. The method comprises the steps of: obtaining the vehicle trajectory of a mobile target in a video to be detected and performing coordinate conversion; performing positioning correction on the vehicle trajectory using an error correction method to obtain the final vehicle positioning, wherein the positioning correction process comprises: obtaining the camera height and the camera pitch angle, constructing the relationship between the camera height, the camera pitch angle and the coordinate conversion error, calculating the coordinate conversion error, and calculating the actual position of the vehicle target based on the coordinate conversion error to obtain the coordinates of the vehicle positioning. The present invention utilizes the imaging principle of the camera optical lens and the projection geometric relationship to derive the theoretical relationship between the positioning error and the camera installation height and angle, thereby performing accurate error correction, and further realizing high-precision positioning of the mobile target.