44results about How to "Accurate and efficient positioning" patented technology

The invention discloses a universal PCB golden finger defect detection method, system and device and a medium. The method comprises the following steps: calling an image segmentation algorithm based on artificial intelligence to position a golden finger area in a PCB surface image; calculating position data of the golden finger area based on the positioning result graph, and cutting the golden finger image according to the position data; segmenting the golden finger image into a plurality of local images according to the segmentation parameters; a target detection algorithm based on artificial intelligence is called to carry out defect detection on each local image, and a plurality of local detection results corresponding to the plurality of local images are obtained; outputting a final recognition result according to a defect reduction result and an overlapping region comparison result; according to the method, the detection area of the PCB golden finger can be efficiently and accurately positioned by adopting a segmentation algorithm based on artificial intelligence, the universality is improved, and the method can adapt to various types of golden fingers.

The invention provides a sound source localization method based on an improved particle swarm algorithm. Comprising the following steps: selecting a sound source positioning scene, acquiring a measurement data set by using a microphone array, and establishing a mathematical model; initializing the positions and speeds of the particles, and calculating the fitness value of each particle to evaluate the distance between the current position of the particle and the target solution; setting an inertia weight to control the influence of the current speed of the particles on the new speed, and setting an individual learning factor and a social learning factor to control and coordinate the behaviors of the particles in the search space; setting an iteration control condition, combining with a hybrid optimization algorithm, and utilizing a boundary processing strategy to carry out iteration updating of particles; and after iteration updating is completed, error analysis is performed on a sound source positioning result, and the particle swarm optimization algorithm is continuously optimized by using an optimization strategy according to an analysis result. The method can effectively improve the sound source positioning precision and algorithm performance, is suitable for a complex acoustic environment, and provides an efficient and feasible solution for the application in the acoustic field.

The invention provides a dynamic environment positioning method based on a laser radar and an IMU (Inertial Measurement Unit). The method comprises the following steps: step 1, obtaining a current environment point cloud through a robot front-end odometer; 2, matching the current environment point cloud with an off-line map, and determining the difference between the current environment point cloud and the off-line map; 3, judging whether the difference value exceeds a preset threshold value or not; if the difference degree does not exceed a preset threshold value, it is considered that the current scene is basically consistent with the environment, no large change occurs, and the environment point cloud is transferred to a robot coordinate system and stored in a real-time local map based on incremental voxels; if the difference degree exceeds a preset threshold value, it is considered that the current scene and the environment change greatly; the environment point cloud is matched with a real-time local map, and positioning information at the moment is obtained on the basis of an initial pose obtained through IMU pre-integration. According to the method provided by the invention, accurate positioning in a dynamic environment can be realized, the positioning stability of the autonomous platform is improved, and the occurrence of a positioning jump condition is prevented.

The invention belongs to the field of integrated circuit fault analysis, and particularly relates to a large-scale integrated circuit multi-means combined soft defect fault positioning method, which comprises the following steps of: narrowing a multi-input vector range by adopting a dichotomy, and quickly determining a part of logic vectors associated with a fault phenomenon; the method comprises the following steps: dividing an internal transistor of a large-scale integrated circuit into a plurality of functional modules according to functions, and testing each functional module in a grading manner in combination with a nanoprobe and a dichotomy under the excitation of a part of logic vectors associated with a fault phenomenon; for the screened abnormal function modules, whether transistor faults or / and connecting line faults exist or not is judged; if a transistor fault or / and a connecting line fault exist, scanning the fault transistor and an accessory line by adopting an SEM, slicing a fault part by adopting an FIB, and observing the fault morphology by adopting a TEM; according to the method, the positioning range is effectively narrowed, fault excitation conditions are refined, soft errors in a large range are converted into hard errors in a small range, and then fault points are quickly positioned.

The utility model relates to the technical field of support connection, in particular to a support connecting piece convenient to install. According to the technical scheme, the connecting structure comprises C-shaped steel and an auxiliary connecting frame, the auxiliary connecting frame is installed on the C-shaped steel through a connecting piece, the connecting piece comprises a gasket clamped in the C-shaped steel and used for positioning, the connecting piece further comprises a gasket fixing piece used for fixing the gasket, the auxiliary connecting frame, the gasket and the gasket fixing piece are all provided with threaded holes, and the threaded holes are communicated with the gasket fixing piece. Bolts are installed among the gasket fixing piece, the auxiliary connecting frame and the gasket fixing piece in a threaded mode, positioning pieces are arranged on the two sides of the gasket fixing piece, and positioning holes matched with the positioning pieces are formed in the two sides of the auxiliary connecting frame. According to the utility model, through the transformation of the connecting piece, the installation of the auxiliary connecting frame is more convenient, and the positioning of the auxiliary connecting frame is accurate and efficient during installation.

The invention discloses an installation and construction method for a building full-paving formwork prefabricated laminated slab. Comprising the following installation and construction steps of S1, installation of a fully-paved formwork supporting system, S2, numbering and stacking of prefabricated laminated slabs, S3, numbering of fully-paved formwork surfaces and pasting and positioning of joint adhesive tapes, S4, placement of bottom steel bars at bidirectional joint positions, S5, hoisting and installation of the prefabricated laminated slabs, S6, oppositely-pulling lock joints at the joint positions to be flat, S7, treatment of water and electricity pipeline boxes and reserved holes, and S8, installation of upper-layer steel bars of the prefabricated laminated slabs. And S9, concrete pouring. According to the installation and construction method, the mode of fully paving the formworks is adopted, the construction safety can be well guaranteed, the construction efficiency is improved, and the plate bottom flatness is effectively controlled; by adopting the process step of flattening the zipper seam at the joint, the seam leakage phenomenon can be well ensured, poor combination of new concrete and old concrete is avoided, the surface appearance of the structure is ensured, and the forming quality is greatly improved.

The invention relates to the technical field of wind driven generator fault prediction, in particular to a wind driven generator fault prediction system based on machine learning, and the system comprises a deviation data detection module which determines the wind facing accuracy of a wind driven generator and outputs a deviation data detection result; the deviation change trend analysis module is used for identifying a deviation change development trend and predicting a future deviation increase condition; the equipment real-time data acquisition and synchronization module is used for acquiring equipment real-time data related to the yaw system; and the equipment and deviation relation analysis module is used for generating an equipment fault judgment result and judging specific equipment or parts causing small-amplitude deviation. According to the method, multi-level equipment data analysis is carried out, specific equipment causing deviation is deeply analyzed, a fault source is accurately positioned, it is ensured that the working state of a yaw system is rapidly adjusted, deviation is prevented from being further aggravated, it is ensured that the wind driven generator always keeps the optimal matching degree with the wind direction, the power generation efficiency is improved, and energy loss caused by deviation is reduced.

The utility model aims to provide the buckle mounting mechanism for the coating clamp, which is compact in structure, high in automation degree and stable in buckle discharging. The device comprises a bottom plate, a feeding module, a buckle pushing module and a carrier rotating module, the feeding module, the buckle pushing module and the carrier rotating module are arranged on the bottom plate, the buckle pushing module is arranged between the feeding module and the carrier rotating module, and the output end of the feeding module is matched with the buckle pushing module to take materials. The carrier rotating module carries a carrier seat, and the buckle pushing module pushes a buckle into the carrier seat to lock a product. The clamp buckle mounting mechanism is applied to the technical field of clamp buckle mounting mechanisms.

The invention relates to the technical field of positioning equipment, and provides a positioning device and method for fastener production and processing.The positioning device comprises a fixed base, a placing table is fixedly installed on the upper portion of one side of the fixed base, a baffle is fixedly connected to one side of the placing table, and a feeding plate is fixedly connected to the other side of the placing table; a limiting plate is fixedly connected to one end of the placing table, a notch is formed in the middle of the placing table, the middle of a moving device is clamped in the notch, and a detection plate located below the limiting plate is fixedly installed at one end of the notch. Through the arrangement of the positioning device and the moving device, before batch production of the studs, the rotating disc only needs to be rotated according to the lengths of the studs to be machined, then the multiple studs to be machined are sequentially fed from the feeding plate, and then positioning of the middles of the batch studs can be achieved; and the middle parts of the studs with different lengths can be positioned only by rotating the turntable.

The invention discloses an intelligent high-voltage cabinet based on Internet of Things, which relates to the technical field of high-voltage cabinets and comprises a cabinet body, a partition plate is fixedly arranged in the cabinet body, a pair of electrical equipment is placed on two sides of the top surface of the partition plate, a U-shaped support is fixedly arranged in the middle of the top surface, and a pair of clamping plates are arranged on two sides of the U-shaped support and abut against the electrical equipment on the corresponding side. The U-shaped support is hinged to the clamping plate through the hinge assembly. Four pairs of first connecting shafts are rotatably inserted into the corners of the top surface of the partition plate, first swing arms are fixedly arranged at the top ends of the first connecting shafts, first clamping blocks are hinged to the outer ends of the first swing arms, and the first clamping blocks abut against electrical equipment on the corresponding sides; two pairs of second connecting shafts are rotatably inserted into the top surface of the partition plate, second swing arms are fixedly arranged at the top ends of the second connecting shafts, and second clamping blocks are hinged to the outer ends of the second swing arms and abut against electrical equipment on the corresponding sides. Through combination of mechanical transmission and elastic buffering, efficient and accurate clamping and positioning are achieved, good buffering protection is achieved, the operation reliability of the intelligent high-voltage cabinet is improved, and the requirement for stable management and control of equipment in the scene of the Internet of Things is met.

The utility model discloses a kind of defect positioning device of non-woven fabric, belong to non-woven fabric production equipment technical field, the device includes the defect detection positioning assembly on non-woven fabric slitting and picking waste equipment, it contains color difference sensor densely arranged in cloth surface width, back light plate on equipment and the indicator light of back light plate periphery, when color difference sensor detects defect, output is set to stop signal according to pre-set stop distance, so that defect accurately stays in back light plate area;Indicator light and sensor detection point position one-to-one correspondence, when detecting defect, corresponding horizontal position indicator light is lit, the device can quickly and accurately locate defect, improve detection efficiency and accuracy, facilitate operator processing, suitable for the defect detection positioning of multiple non-woven fabric.

The present application belongs to the technical field of acupuncture treatment equipment, and discloses a positioning guidance system for facial acupuncture. A positioning guidance system for facial acupuncture includes: a diagnosis and treatment information acquisition module, which acquires the patient's treatment prescription and obtains the facial acupuncture points that the patient needs to receive acupuncture; an image information acquisition module, which acquires the facial image of the patient before acupuncture; an acupuncture point positioning module, which compares the facial image of the patient before acupuncture with the facial image with acupuncture points marked in the database, and obtains the position information of the facial acupuncture points that the patient needs to receive acupuncture; an acupuncture point marking module, which acquires the position information of the facial acupuncture points that the patient needs to receive acupuncture, and then sequentially irradiates the rays that can generate light spots on the patient's face to the facial acupuncture points to guide acupuncture treatment. The technical solution provided by the present application ensures that the corresponding acupuncture points can be accurately received during acupuncture, thereby enhancing the treatment effect.

The utility model discloses a full-automatic quick change type intelligent dining table which comprises a table body, a winding assembly and an unwinding assembly, the winding assembly and the unwinding assembly are arranged on the end sides of the table body respectively, each winding assembly and each unwinding assembly comprise a support fixedly arranged on the end face of the table body, a fixing plate is fixedly arranged on one side of each support, and a bearing roller used for bearing a tablecloth roll is arranged on each fixing plate in a pivoted mode. The outer circumferential surface of the bearing roller is positioned below the upper surface of the table body; a movable plate is movably arranged on the other side of the support and can be locked on the support through a locking assembly, a limiting block is arranged on the movable plate in a pivoted mode, the central axis of the limiting block and the central axis of the bearing roller are coaxial, and at least part of the limiting block can extend into the tablecloth roll. The tablecloth roll replacing device has the advantages that the design is exquisite, the tablecloth roll arranged on the bearing roller in a sleeving mode can be rapidly replaced by opening or closing the movable plate, the operation is simple and convenient, and the working efficiency is greatly improved. In addition, the limiting block can be connected to the tablecloth roll in a clamped mode, the tablecloth roll is accurately positioned on the bearing roller, and therefore the follow-up winding accuracy is ensured, and efficient and accurate winding is achieved.

The present application provides a kind of positioning platform for honing of delivery cylinder cylinder body.The positioning platform for honing of delivery cylinder cylinder body includes support;Processing structure, the processing structure includes honing machine, guide rail and groove;Translation structure, the translation structure includes support bridge and sliding fork;Lifting structure, the lifting structure includes fixed plate, adjusting column, adjusting groove, lifting inner column, lifting turntable and lifting outer column;Positioning structure, the positioning structure includes positioning ring, adjusting tooth ring, advancing ring, wedge, positioning pad and return spring;Adjusting structure, the adjusting structure includes shell, pivot, adjusting turntable, locking teeth and adjusting gear;Locking structure;Cylinder body.The positioning platform for honing of delivery cylinder cylinder body provided by the present application has the advantages of high positioning accuracy and efficiency, preventing the movement of delivery cylinder and adjusting height.

The invention discloses a teacher classroom movement track description method and device, equipment and a storage medium. Wherein. The method comprises the following steps: acquiring a mapping relation between a holder motor coordinate system of a teacher tracking camera and a classroom coordinate system; acquiring real-time pan-tilt motor coordinates of a teacher tracking camera; according to the mapping relation, converting the real-time cloud deck motor coordinates to obtain real-time classroom coordinates; and drawing points on the classroom coordinate system according to the real-time classroom coordinates, and drawing a classroom movement track of the teacher according to a set of drawn points. The method is combined with AI face tracking, is suitable for classroom teaching scenes, does not need to add extra equipment, is simple in configuration, is accurate and efficient in positioning, is not affected by the environment compared with indoor Bluetooth positioning, and is high in anti-interference capability.

The invention discloses a radio interference source positioning method based on multi-station data in the technical field of radio communication. The method comprises the following steps: S1, constructing an interference diagnosis atlas; s2, obtaining an interference diagnosis mode according to the signal characteristic factor and a signal benchmarking factor of the interference diagnosis atlas; s3, performing interference source initial positioning at the initial measurement point pair based on an interference initial measurement direction, an initial measurement diagnosis interval and an interference diagnosis mode to obtain an interference remeasurement point; s4, a retest diagnosis interval is obtained through analysis, and if the retest diagnosis interval is smaller than or equal to a preset interval threshold value, an interference positioning source is obtained according to the interference retest point; and S5, if the retest diagnosis interval is greater than a preset interval threshold value, performing interference source relocation at the retest point based on the interference retest direction, the retest diagnosis interval and the interference diagnosis mode until the retest diagnosis interval is smaller than the preset interval threshold value, and obtaining an interference location source according to the interference retest point. According to the invention, the efficiency and accuracy of radio interference source positioning are improved.

The utility model relates to the technical field of mobile phone machining, in particular to a mobile phone middle frame clamping and sucking dual-purpose clamp which comprises a base, a first clamping assembly arranged on one side of the base, a second clamping assembly arranged on the other side of the base, a positioning piece arranged in the middle of the base and a sucking hole formed in the base. The suction hole is connected with an external vacuum generator, the first clamping assembly and the second clamping assembly are oppositely arranged, and the positioning piece is located between the first clamping assembly and the second clamping assembly so that the mobile phone middle frame can be clamped and positioned among the first clamping assembly, the positioning piece and the second clamping assembly. The position of the mobile phone middle frame is fixed through vacuum suction and up-down clamping, the positioning function of suction and clamping is achieved, positioning is accurate and efficient, the mobile phone middle frame is convenient to take and place, and machining efficiency is improved.

The invention belongs to the technical field of wireless networks. The invention discloses an optical network wireless controller system based on TR069 and PON protocols. The system comprises the following steps: obtaining real-time relevant data of each wireless access point; calculating the performance score of each wireless access point through a preset performance evaluation model according to the real-time relevant data; determining the abnormal evaluation factor of each wireless access point based on the performance score of each wireless access point, and determining the suspected abnormal point and the monitoring neighborhood radius of the suspected abnormal point according to the abnormal evaluation factor; constructing spatiotemporal sample points in the monitoring neighborhood, performing outlier detection on the spatiotemporal sample points, and obtaining the local outlier factor corresponding to the suspected abnormal point; determining the abnormal wireless access point based on the local outlier factor corresponding to the suspected abnormal point, optimizing and adjusting the parameters of the abnormal wireless access point through the TR069 protocol and the PON protocol, and significantly improving the performance and management level of the wireless network.

The invention relates to the technical field of image processing, in particular to a die bonder positioning method and system based on image recognition, and the method comprises the steps: collecting to-be-positioned chip images and standard chip images at different angles; segmenting the to-be-positioned chip images and the standard chip image to extract target areas in the to-be-positioned chip images and the standard chip image; identifying feature points of target areas of the to-be-positioned chip images and the standard chip image, and obtaining the number of target feature points of the feature points of the target areas of the to-be-positioned chip images outside the target area of the standard chip image; and calculating the matching degree between each to-be-positioned chip image and the standard chip image, and responding to the to-be-positioned chip image with the maximum matching degree as the optimal to-be-positioned chip image. According to the invention, the problem that the positioning precision is not high when the die bonder is used for positioning a chip is solved.

The invention relates to the technical field of automobile assembly, in particular to a mounting tool for mounting an automobile front fender and a mounting method. The harness frame is provided with a guiding and positioning structure used for guiding and positioning descending of the harness frame, a vehicle body positioning structure used for positioning the harness frame on a vehicle body, a fender positioning structure used for positioning a front fender on the vehicle body, and an adjusting structure used for adjusting a gap and a surface difference between a front door and the front fender. Through cooperative use of the guide positioning structure, the vehicle body positioning structure, the fender positioning structure and the adjusting structure, in the process of assembling the front fender, the assembling quality and the assembling efficiency of the front fender are guaranteed, and overall use is more convenient.

The utility model relates to a cylinder sleeve flaw detection positioning seat in the technical field of cylinder sleeve detection equipment, which comprises a positioning disc matched with a rotating platform of a flaw detection machine, and the positioning disc is detachably connected with the rotating platform; a plurality of concentric grooves are formed in the positioning disc, the circle center of each concentric groove coincides with the circle center of the positioning disc, a plurality of grooves are evenly distributed in the positioning disc in the circumferential direction, the grooves are formed in the radial direction of the positioning disc, and positioning pieces are arranged in the grooves. According to the utility model, flaw detection can be carried out on cylinder sleeves with different sizes after positioning, so that the tool processing cost is reduced, and the product cost is reduced; positioning is accurate and efficient, damage to the outer wall of the air cylinder sleeve is reduced, the overall structure is reasonable, operation is easy, and practicability is high.

The invention discloses a depth-vision-based precise positioning method for a dismounting target of a collaborative robot, and the method comprises the steps: collecting data through a depth camera module, and carrying out the recognition and tracking of the collaborative robot; based on the depth data of the depth camera module, feeding back the current coordinate of the collaborative robot in real time, and performing target identification and positioning on the to-be-disassembled object by using the depth camera module; based on the distance between the target and the depth camera, the position of the robot is adjusted, and the to-be-disassembled object enters the mechanical arm working space; when the object to be disassembled and assembled is located in the working space of the mechanical arm, the mechanical arm is controlled to move the end executor to the corresponding position based on the coordinates of the object to be disassembled and assembled, target recognition positioning is conducted on the disassembling and assembling point through a common camera module on the end executor, and the accurate position of the disassembling and assembling point is determined; and controlling the collaborative robot to carry out target disassembly and assembly work. According to the method, the accurate positions of the to-be-dismounted object and the dismounting point in the complex environment can be rapidly determined, and a collaborative robot can be conveniently deployed for dismounting work.

The present disclosure relates to a positioning structure and a welding device, the positioning structure is used for positioning an air bag to be welded, comprising a positioning plate, a limiting mechanism and a clamping mechanism, wherein the limiting mechanism is arranged on the positioning plate, and the limiting mechanism is used for abutting with the outer tire edge and the inner tire edge of the air bag respectively; the clamping mechanism is arranged on at least one of the positioning plate and the limiting mechanism, so as to clamp the inner tire and the outer tire of the air bag when the air bag is welded. The overall structure of the positioning structure of the present disclosure is simple, and the edges of the air bag can be accurately and efficiently positioned, and the displacement of the inner tire and the outer tire during welding can be reduced or even avoided, so as to ensure the quality of the welded air bag and improve the welding efficiency.

The present application relates to the technical field of welding, in particular to a desk leg welding positioning device, which comprises a supporting assembly, a pre-positioning assembly and a clamping assembly; the supporting assembly comprises a base and a supporting table for placing a desk body; the pre-positioning assembly is provided with a lifting plate in sliding connection with the supporting table, a lifting structure for driving the lifting plate to move, two sliding plates slidingly arranged on the lifting plate and a pushing structure for pushing the sliding plates to approach the desk legs for pre-positioning; the clamping assembly is used for clamping the desk legs after pre-positioning. Through the mechanical pre-positioning and clamping linkage mechanism, the present application reduces manual intervention, improves the positioning accuracy and speed of desk leg assembly, and thus improves the overall welding efficiency.

The invention relates to the technical field of LED production, and in particular to a method for producing an LED chip without etching and the LED chip. An innovative positioning means for an N-type semiconductor layer is proposed, and an N-electrode is produced on the side of the positioning position, thereby omitting the etching process steps in the conventional LED chip production process, simplifying the operation flow, and improving the work efficiency. The method comprises the following operation steps: S1, sequentially growing an epitaxial layer structure of an N-type semiconductor layer, a light-emitting layer, and a P-type semiconductor layer on the front side of a substrate; S2, producing a P-electrode above the P-type semiconductor layer; S3, determining that the thickness of the N-type semiconductor layer is X according to the epitaxial layer structure grown in step S1, the thickness from the bottom of the N-type semiconductor layer to the top of the P-type semiconductor layer is Y, and the total thickness of the light-emitting layer and the P-type semiconductor layer is Z, and the position of the N-electrode is set within a range of Y-Z to Y from the top of the P-type semiconductor layer; S4, producing the N-electrode on the side within the position range of the N-electrode determined in step S3.

This invention relates to an automatic identification system for equipment family defects based on spectral clustering and GNN, comprising a real-time data monitoring module, a graph model construction module, an adaptive learning module, a defect source tracing module, a predictive maintenance and early warning module, and a structured defect library and tag management module. After classifying equipment using spectral clustering, a graph model for predicting equipment family defects is constructed based on a graph neural network (GNN). For equipment exhibiting equipment family defects, a defect association graph is constructed to trace the origin and propagation path of the defects. Connecting to the hydropower industrial internet, leveraging the high interconnectivity, scalability, and visualization capabilities of the industrial internet platform, real-time online detection of equipment family defects is achieved, effectively identifying the root causes and propagation paths of these defects.

The utility model discloses a backflow bottom support device for a lithium battery control box cover, which is characterized in that box cover limiting blocks are arranged on a backflow bottom support, the control box cover is arranged between the box cover limiting blocks, a bottom support buffer block is arranged at one end of the backflow bottom support, the bottom support buffer block is matched with a bottom support blocking support, the bottom support blocking support is connected with a cylinder rod of a blocking cylinder, and the blocking cylinder is connected with the backflow bottom support. The blocking air cylinder is arranged on the blocking air cylinder fixing frame, the blocking air cylinder fixing frame is arranged on the inner side of the aluminum profile speed multiplication chain on one side, a guide sleeve is arranged at the bottom of the backflow bottom support and matched with a guide column, the guide column is arranged on a guide column fixing block, the guide column fixing block is arranged on a jacking air cylinder connecting plate, and the jacking air cylinder connecting plate is connected with an air cylinder rod of the jacking air cylinder. The jacking air cylinder is arranged on the jacking air cylinder fixing support, and the jacking air cylinder fixing support is fixed to the bottom of the aluminum profile speed multiplication chain on the other side. The tool is reasonable in structural design, convenient and reliable to use and efficient and accurate in positioning, and efficient and precise assembly is achieved.

The utility model relates to the technical field of pipeline girdling devices, and discloses a girdling device for pipeline installation, which comprises a connecting beam, one side of the connecting beam is fixedly connected with a C-shaped ring-shaped limiting table, the C-shaped ring-shaped limiting table is provided with a ring-shaped limiting groove, and the inner side of the ring-shaped limiting groove is rotatably connected with a C-shaped gear ring. A C-shaped gear ring is arranged on the upper portion of the connecting beam, a cutting knife mechanism used for cutting a pipeline is arranged on one side of the C-shaped gear ring, a gear ring driving mechanism used for enabling the C-shaped gear ring to rotate is arranged above the connecting beam, and a pipeline positioning mechanism used for conducting self-centering clamping on the pipeline is arranged on the other side of the connecting beam. And a worker can conveniently clamp a pipeline at any position, and high practicability is achieved.

The invention relates to the technical field of data processing, and particularly provides a cutting machine abnormity positioning method and device, a storage medium and electronic device.The method can comprise the steps that abnormal data generated when abnormity happens to multiple cutting machines in the cutting process are obtained, the types of the abnormities comprise at least one of wire jumping abnormities, wire breaking abnormities and wire bow abnormities; performing statistics on the abnormal data to obtain a statistical result; the statistical result is analyzed, an abnormal object with the abnormity is positioned, and the abnormal object is an abnormal cutting machine or an auxiliary material related to at least one cutting machine. According to some embodiments of the invention, accurate positioning of the abnormal object in the cutting machine can be realized, so that the abnormal object can be efficiently processed, and the working efficiency of the cutting machine is guaranteed.

The invention provides automatic electric arc welding equipment for wind power yaw brake disc machining, and relates to the technical field of electric arc welding equipment, the automatic electric arc welding equipment comprises a fixing base, a driving mechanism and a clamping mechanism, a power mechanism is arranged at the bottom end of the clamping mechanism, and the clamping mechanism comprises a supporting table, a rotating cylinder, a piston disc, a sealing disc and a plurality of clamping plates; the outer side of the clamping plate is fixedly connected with a connecting frame, one side of the connecting frame is fixedly connected with a connecting rod, the other end of the connecting rod is fixedly connected with a sealing plate, a plurality of circular grooves and bending holes are formed in the side wall of the rotary drum, and the sealing plate is slidably connected into the circular grooves. And the hydraulic transmission efficiency and the stability of the clamping action are improved. A connecting frame in the clamping mechanism is connected to the outer side of a guide frame in a sliding and sleeving mode, accurate guiding is provided for movement of clamping plates, the clamping plates are prevented from deviating and blocking in the moving process, and it is ensured that the multiple clamping plates act synchronously and are attached to the side wall of the brake disc to achieve uniform clamping.