172results about How to "Improve alignment accuracy" patented technology

The invention provides stamping equipment for automobile engine oil pan production, and belongs to the technical field of oil pan stamping equipment. Which comprises a stamping equipment body and is characterized in that a lower die and an upper die are installed on the stamping equipment body, a first supporting frame is installed on one side of the stamping equipment body, and a second supporting frame is installed on the other side of the stamping equipment body; an automobile oil pan material plate is placed on the top of the first supporting frame. By arranging the auxiliary feeding mechanism and the auxiliary discharging mechanism, the auxiliary feeding mechanism can be utilized, workers do not need to make direct contact with an automobile oil pan material plate, the automobile oil pan material plate can be rapidly and stably transferred to the position between the lower die and the upper die, and accurate alignment can be achieved after transferring, and the automobile oil pan material plate can be reliably placed on the top of the lower die; and compared with a traditional manual handheld plate feeding mode, the feeding device is safer and more reliable.

The invention is suitable for the technical field of data processing, and particularly relates to a sensor data time synchronization error compensation method and device, and the method comprises the steps: obtaining the multi-sensor original data of a current frame, and extracting the multi-sensor feature data; obtaining an error estimation vector based on the error estimation network; performing error compensation on the multi-sensor original data to obtain multi-sensor compensation data; constructing a factor graph, and performing optimization solution on the factor graph to obtain a residual set; calculating a comprehensive quality score according to the residual set; according to the comprehensive quality score and the comprehensive quality scores of the first M frames, determining that a triggering condition is met, and triggering fine adjustment; and based on the multi-sensor original data, the multi-sensor feature data and the comprehensive quality score in the time window, performing fine adjustment on the model parameters of the error estimation network to obtain the error estimation network after fine adjustment. According to the method, more accurate compensation of time sequence errors and data distortion among multiple sensors is realized, and continuous self-adaptive optimization is realized.

The invention discloses a marine main engine cabin entering simulation method and system based on multi-view measurement. The method comprises the following steps: acquiring cabin space depth image information through multiple view angles, constructing cabin environment three-dimensional point cloud data, and unifying multi-view angle point clouds to the same global coordinate system based on camera calibration; performing accurate fusion on the multi-view point clouds by adopting a point cloud registration algorithm which introduces a dynamic weight and a local rejection mechanism, and extracting a boundary of an effective space of a cabin by utilizing an alpha-shape algorithm; motion trail modeling is carried out on the main engine cabin entering process, meanwhile, rapid real-time calculation of the minimum gap between a main engine envelope body and a cabin boundary is achieved by constructing a gridding distance field of a cabin space, and therefore whether the risk of collision or insufficient space exists in a given cabin entering path of a main engine or not is judged. According to the invention, high-precision, high-efficiency and high-real-time host entry space verification can be realized in a complex and narrow in-cabin environment, and reliable technical support can be provided for optimization and decision-making of a marine host entry scheme.

The embodiment of the invention provides an audio and video alignment method, an audio and video understanding method, electronic equipment, a storage medium and a computer program product. The alignment method comprises the following steps: performing feature extraction and coding processing on a target audio to obtain a first audio feature sequence, and performing block feature extraction and coding processing on a target video to obtain a first video feature sequence; performing visual dynamic enhancement coding processing on the first video feature sequence based on the visual difference of the cross-frame image blocks to obtain a second video feature sequence; performing time sequence information injection on the second video feature sequence and the first audio feature sequence to obtain a third video feature sequence and a second audio feature sequence; and performing cross-modal alignment fusion processing on the third video feature sequence and the second audio feature sequence to obtain an aligned video feature sequence and an aligned audio feature sequence. According to the method, the visual dynamic change corresponding to the audio event can be accurately captured, and the alignment accuracy of the audio and the video is improved.

The invention relates to the technical field of straightening equipment, and discloses an automatic matching straightening machine for shaft workpieces, which comprises a machine body, a plurality of linear sliding rails for a plurality of mechanisms to linearly move are arranged on the machine body, and strip-shaped tooth grooves matched with moving gears are formed in the two sides of the interior of the machine body; one side of the machine body is provided with a PLC (Programmable Logic Controller) control cabinet for calculating input shaft workpiece data information and generating a control signal, and the PLC control cabinet is used for controlling each mechanism on the machine body in an operation process. By adding and arranging the movable detection mechanism, when the shaft workpiece is straightened, the movable detection mechanism adopts a lever type detection structure, can be tightly attached to the surface of the shaft workpiece, sensitively captures bending deformation information of the workpiece, realizes accurate acquisition of deformation, avoids subjectivity and errors of manual detection, and improves the straightening accuracy of the shaft workpiece. And full-length movement detection can be realized along a linear sliding rail, all parts of the shaft workpiece are covered, and the condition of missing detection of a deformation position is avoided.

The utility model discloses a cell observation equipment with double camera module, including observation platform, first camera and second camera, and observation platform has a transparent observation area, and the observation area is used for placing the object to be observed, and the first camera is set below the observation area, is used for gathering the image information of observation area, to obtain the position of the object to be observed, and the second camera is set below the observation area, and the second camera is closer to the observation platform than the first camera, and the second camera can move to the just below the object to be observed according to the position of the object to be observed, to utilize the second camera to observe the object to be observed. The utility model discloses technical scheme has improved the alignment efficiency and alignment accuracy.

The utility model relates to permanent magnet motor technical field, concretely relates to a kind of permanent magnet motor suitable for oilfield pumping equipment, including speed reducer, the input end of speed reducer is fixedly connected with input shaft, the outside of one end of input shaft is fixedly connected with shaft sleeve, the outer wall of shaft sleeve is fixedly connected with rotor iron core, the outer wall of rotor iron core is fixedly connected with multiple equidistance evenly distributed permanent magnet, the outer wall of speed reducer near input shaft is fixedly connected with mounting flange, the side wall of mounting flange is provided with front end cover, and the side wall of front end cover is provided with machine shell.Compared with prior art, after the structure design of increasing air gap is used, even if slight axial displacement or radial swing occurs in the running process of rotor iron core, the interference between permanent magnet and stator iron core can be effectively avoided, and the reliability and adaptability of motor under high impact, high vibration working condition are improved.

The invention belongs to the technical field of port equipment, and discloses a quay crane sling end vehicle accurate alignment auxiliary system and method.The quay crane sling end vehicle accurate alignment auxiliary system comprises an end corner light source projection unit, a center light source projection unit and a distance measurement recognition unit which are arranged at the bottom of a quay crane sling; wherein the end corner light source projection unit is used for projecting four end corner marks identified by the unmanned vehicle on the ground, and the four end corner marks are used as four corners to form a rectangular parking space; the central light source projection unit is used for projecting a cross-shaped reference mark for unmanned vehicle identification on the ground, and the center of the cross-shaped reference mark coincides with the center of the rectangular parking space; the distance measurement recognition unit is used for detecting and obtaining deviation information of the unmanned vehicle relative to the center reference of the quay crane lifting appliance in the process that the unmanned vehicle gets close to the end corner mark and stops, and sending the deviation information to the unmanned vehicle. The alignment precision and the alignment efficiency of the unmanned vehicle and the quay crane lifting appliance can be improved.

This application provides a method, system, apparatus, and electronic device for aligning a binocular camera with an optical component. The method includes: acquiring a first current display screen corresponding to two target cameras, wherein the first current display screen is obtained by the optical component projecting light emitted from a first display onto the corresponding target camera; adjusting the pose of the binocular cameras based on the first current display screen, so that each target camera is aligned with the optical axis of the corresponding optical component; and determining the final distance between the binocular cameras and the optical component based on the grayscale brightness of each pixel in the edge region of two second current display screens. The two second current display screens are the current display screens corresponding to the two target cameras after alignment, which can uniformly align the left and right optical axes, save time, improve alignment efficiency, and no longer rely on the experience and skill level of the operator, thus greatly improving alignment accuracy.

The application provides a wireless charging system, method, external charging device and storage medium, including an implantable medical device and an external charging device for wireless energy transmission with the implantable medical device, the wireless charging system further includes a voice prompt module and a control module, the control module is configured to: control the external charging device to work in a scanning mode to obtain a charging efficiency local distribution map for a region where the implantable medical device is located; based on the charging efficiency local distribution map, determine at least one optimal charging target position, and generate user navigation instructions corresponding to the optimal charging target position; control the voice prompt module to broadcast the navigation instructions to guide the user to move the external charging device to the optimal charging target position, the scheme solves the problem that the user cannot determine the best charging position, thereby causing difficult alignment, low charging efficiency, and improves the alignment accuracy, energy transmission efficiency, operation safety and user operation convenience of wireless charging.

The utility model discloses a sand box structure is used in foundry processing of casting, including pit, lower box and upper box, be provided with lower box in pit, be provided with upper box at the top of lower box, be provided with the axle pole eye at the center of upper box, be provided with lower part cavity in lower box, be provided with inner core in lower part cavity, be provided with the locating plate at the top surface of inner core, be provided with the locating hole in the center of locating plate, and the locating hole is concentric with axle pole eye, pit. The utility model discloses adopt the mode of locating plate and axle pole eye intercoordination to carry out the closing of box, has guaranteed the alignment accuracy of upper and lower box higher, avoided the cumulative error in traditional cross line method, can realize the closing of box of higher accuracy, has greatly shortened the closing of box time, thereby has promoted the overall quality of casting.

The utility model relates to technical field of semiconductor production discloses a kind of crystal bar end cap automatic alignment device, material rotating subassembly, including material rotating disc and material rotating drive, material rotating drive is rotatively connected with material rotating disc, and material rotating disc is equipped with accommodating groove;Feeding mechanism, including feeding clamp jaw;Discharging mechanism, including discharging clamp jaw;Lower end cap assembly mechanism, including first base and first push drive, first push drive is connected in first base, and first base is equipped with first through-hole and lower end cap feeding area, and lower end cap feeding area is located between first through-hole and first push drive;Upper end cap assembly mechanism, including second base and second push drive, second push drive is connected in second base, and second base is equipped with second through-hole and upper end cap feeding area, and upper end cap feeding area is located between second through-hole and second push drive.The utility model's crystal bar end cap automatic alignment device improves the alignment accuracy of end cap and crystal bar, improves yield and assembly efficiency.

The utility model discloses an assembling and welding tool for building cylindrical steel formworks, and relates to the field of welding tools for the cylindrical steel formworks, the assembling and welding tool for the building cylindrical steel formworks comprises a bottom supporting frame, a fixed cross arm is fixed in the middle of the top surface of the bottom supporting frame, and two sets of centering clamping assemblies are symmetrically fixed on the top surface of the fixed cross arm; according to the building cylindrical steel formwork installing and welding tool, three sets of clamping structures are sequentially arranged, so that three single cylindrical steel formworks can be clamped at the same time, after the three single cylindrical steel formworks are clamped, a first motor is driven to rotate, the two sets of clamping structures on the two sides get close to each other in the middle, and then the three single cylindrical steel formworks are clamped. Compared with the prior art, by means of the structural arrangement, the number of the single cylindrical steel formworks which are oppositely clamped at a time is increased, the number of repeated clamping times is reduced, and the assembling and welding efficiency is improved.

The invention discloses a photovoltaic front panel production process, and relates to the technical field of photovoltaic module production, and the photovoltaic front panel production process comprises the following steps: S1, unwinding; s2, scattering powder; s3, dipping is carried out; s4, cooling and demolding; s5, film covering; s6, traction and edge cutting; s7, carrying out an automatic material stacking process; s8, feeding is carried out; s9, curing and embossing are carried out; s10, discharging is carried out; s11, measuring the thickness; s12, flaw inspection is carried out; and S13, edge cutting and packaging are conducted. The method has the advantages that the lamination alignment precision and repeatability are remarkably improved, and interlayer defects caused by position deviation are avoided.

The invention provides a human-computer interaction activity-oriented text description model construction method. The method comprises the following steps of obtaining encrypted network traffic generated when a user interacts with intelligent equipment; acquiring auxiliary data synchronously acquired when the user interacts with the intelligent equipment, and inputting the auxiliary data into a pre-trained multi-modal large language model to obtain a corresponding language behavior text; performing timestamp alignment on the encrypted network traffic and a corresponding language behavior text to form a traffic-description pair data set; performing feature extraction on the encrypted network traffic in the traffic-description pair data set to generate a statistical feature sequence; inputting the statistical feature sequence into an end-to-end model until the model converges; in the trained model, the behavior description can be directly generated only by inputting the network traffic, and any auxiliary data acquisition is not needed.

This invention relates to an auxiliary drilling and production device for oilfields, belonging to the technical field of oilfield drilling equipment. It includes: a rotary table module equipped with several sets of casing clamping modules; a casing bin on one side of the rotary table module, containing several casing conveying modules into which casing can be clamped. A clamping tower on one side of the rotary table module connects to and clamps casing from the clamping modules. The clamping modules can extend into the casing bin and clamp the casing clamped on the casing conveying modules. The clamping modules retrieve casing from the casing bin and transport it to the clamping tower for precise clamping and positioning, achieving alignment between the casing and the wellhead, improving accuracy and reducing labor intensity. The casing bin pre-stores multiple casings, which are supplied in an orderly manner by the casing conveying modules. The rotary table module is equipped with multiple clamping modules, enabling continuous gripping and transport of casing for installation. Casing supply and installation preparation can be carried out in parallel, ensuring continuity and thus improving installation efficiency.

The application discloses a PMMA micro-fluidic chip packaging method, mainly comprising the following steps: providing a PMMA micro-fluidic chip to be packaged; adding phase change material into a micro-fluid channel of a chip bottom plate after the phase change material is heated to a molten state; covering a layer of solvent on a bonding surface of the chip bottom plate after the phase change material is cooled and solidified; aligning a chip cover plate with the chip bottom plate and combining the chip cover plate with the chip bottom plate, the solvent infiltrating the bonding surfaces of the chip bottom plate and the chip cover plate and forming a liquid bridge between the chip bottom plate and the chip cover plate, the chip bottom plate and the chip cover plate being automatically aligned according to a contour by a horizontal directional component force of the liquid bridge force; and after standing until the bonding is completed, heating the micro-fluidic chip to melt and blow out the phase change material in the micro-fluid channel, and completing the packaging. Furthermore, the application also provides a PMMA micro-fluidic chip formed by the packaging method. The application realizes the packaging of the PMMA micro-fluidic chip by one-step method, does not need to rely on external expensive equipment, is simple to operate, has high alignment precision and good bonding quality.

An advanced method for manufacturing an optoelectronic system array is disclosed in which micro-devices are developed separately and then transferred into a system substrate. Various embodiments are disclosed, including distributed sacrificial reference points, real-time monitoring with various sensing techniques, laser generated alignment marks, non-contact laser triangulation, and marking using polymers to dynamically estimate and correct alignment during each transfer phase. The invention further discloses a method for detecting and correcting errors caused by wear, environmental changes, load variability and mechanical vibrations, which may be AI-based. Generally, the system for pre-transfer calibration, monitoring, error detection, and compensatory adjustment enables precise and reliable integration of micro-devices into optoelectronic systems, thereby significantly enhancing alignment accuracy, stability, and reliability throughout the manufacturing process. The system may further be AI-based calibration verification in a micro device transfer system.

The utility model discloses an alignment mechanism for pole piece detection, include: base plate, and its both ends end face respectively fixedly be equipped with mounting seat, the first slider and the second slider of sliding setting in the mounting seat, the adjusting end of mounting seat is fixedly equipped with first drive assembly, and the output shaft of first drive assembly is connected and drives corresponding slider sliding, the first pivot assembly of fixedly equipped on the first slider and two second pivot assemblies of fixedly equipped on the second slider, be equipped with the alignment plate of center round hole and racecourse type through -hole, first pivot assembly is worn in center round hole, and two second pivot assemblies are respectively worn in the racecourse type through -hole that sets up parallel to the alignment plate length direction, the pole piece detection camera of fixedly equipped in the alignment plate middle part edge position, through the automatic control of first drive assembly and second drive assembly, has realized the automation of alignment process, has improved alignment efficiency and precision greatly.

The utility model is suitable for printed circuit production and processing field, provides a kind of buried inductance PCB's compression structure, including PCB body and be located on the blind slot of PCB body, the blind slot is used to accommodate inductive component device;The periphery of the blind slot is equipped with blind slot edge clamping point, and the blind slot edge clamping point is used to limit the inductive component device;The bottom of the blind slot is equipped with blind slot bottom protrusion in the middle, and the blind slot bottom protrusion is the structure of ladder, is used to support the inductive component device.The utility model improves the compression precision and reliability of buried inductance PCB by optimizing blind slot structure design, solves the problem of uneven glue filling and device deviation, has remarkable economic value and market prospect.

This invention belongs to the field of mechanical processing and manufacturing, and more specifically, relates to a flexible eccentric drilling end-effector based on three-dimensional vision. This equipment achieves automated positioning for drilling through visual servoing; the drill bit adopts an eccentric structure design, enabling it to smoothly extend into extremely narrow semi-enclosed spaces such as stringers; it employs a pressure foot design based on parallel finger cylinders to solve the problem of difficulty in clamping and holding the drill bit in narrow drilling positions; the installation angle of the three-dimensional camera can be adjusted as needed to adapt to different working environments; the overall equipment integrates functions such as visual servoing, automatic clamping, high-precision feeding, and offset machining, realizing automated drilling operations in narrow spaces; the overall equipment adopts a modular design, and while meeting drilling requirements, it achieves miniaturization and compactness through optimized design and component selection, enabling it to adapt to the size and weight requirements of machining tools in large aircraft cabins, and possessing good economy, safety, and maintainability.

The present disclosure provides a training method, a risk prediction method and a system of a radiation pneumonia risk prediction model, wherein the training method comprises: obtaining a sample training set, each group of samples in the sample training set comprising sample multi-modal data and corresponding sample radiation pneumonia result information; the sample multi-modal data comprises sample image data, sample dose distribution data, sample anatomical structure data and sample blood data; feature fusion is performed based on the sample image data, the sample dose distribution data, the sample anatomical structure data and the sample blood data to form sample feature fusion data; an initial preset model is trained based on the sample feature fusion data and the sample radiation pneumonia result information to obtain a radiation pneumonia risk prediction model; quantitative prediction of severe radiation pneumonia risk is realized, and risk probability and risk stratification results are output to provide auxiliary decision support for individualized radiotherapy.

This invention discloses a wafer testing box. The wafer testing box includes a first housing, a second housing, and a magnetic barrier assembly. The first housing has a first magnetic element. The second housing has a second magnetic element, which is correspondingly disposed with the first magnetic element. When the first housing and the second housing are in contact, an accommodating space is formed between them. The magnetic barrier assembly is configured to connect to the first housing or the second housing to reduce or release the magnetic attraction force generated between the first magnetic element and the second magnetic element. Before the first housing and the second housing come into contact, the magnetic barrier assembly is used to reduce or release the magnetic attraction force. When the first housing and the second housing are in contact, the effect of the magnetic barrier assembly is released, so that the first housing and the second housing are tightly bonded by magnetic attraction force. The magnetic attraction force is reduced by the magnetic barrier assembly, so that the first housing and the second housing can be separated.

This invention discloses a double-head unwinding foil winding machine and its control system, relating to the field of transformer manufacturing technology. The machine includes a base with upright plates symmetrically fixed to its top. Two lifting blocks are disposed within the upright plates. A drive motor is symmetrically fixed to the top of the upright plates, and the drive motor is connected to the lifting blocks via a rotating shaft. Two mounting blocks are disposed within each lifting block. A servo motor on the inner wall of each mounting block is connected to a disc via a rotating shaft. A tension roller is rotatably connected to the side wall of the disc. This invention, through the installation of lifting blocks, a disc, servo motors, and drive motors, achieves graded adjustment of the tension of the foil and insulating paper, improving the tension control accuracy and consistency of the foil and insulating paper during transport. It solves the problem in traditional winding equipment where inconsistent tension, slack, or misalignment is caused by differences in the inertia and friction of the two layers of foil.

The utility model relates to the technical field of educational toys, and discloses a third-order icosahedron magic cube which comprises a ball shaft, a plurality of center blocks, a plurality of angle blocks and a plurality of inner edge blocks. The plurality of ball shafts comprise a plurality of magnetic shaft columns; a plurality of first magnets are arranged in the plurality of center blocks; a plurality of second magnets are arranged in the plurality of angle blocks; a plurality of third magnets are arranged in the plurality of inner edge blocks; the first magnet and the third magnet attract each other, and the second magnet and the third magnet attract each other. The magnets attract each other to assist a player to quickly reset and align the magic cube when the magic cube is restored, so that the restoration speed and the player experience are improved. The three-order icosahedron magic cube aims at solving the problems that a traditional three-order icosahedron magic cube is difficult to align during rotation and is prone to being blocked, and the recovery speed of the magic cube and the experience feeling of players are improved.

The invention discloses a hierarchical alignment method and system for a multi-modal perception data set of a soft manipulator, and the method achieves the coverage of a whole process from data quality evaluation to feature space alignment to semantic consistency optimization through the three-stage design of single-modal noise evaluation, feature-level adaptive alignment and semantic-level constraint alignment. The limitation that a traditional method only pays attention to single-level alignment is broken through, and the model can gradually adapt to the complex characteristics of touch multi-mode perception. Secondly, an adaptive temperature function is designed based on modal pair comprehensive reliability, and a strict monotone mapping relation between temperature coefficients and modal noise characteristics is established, so that a high-noise modal pair automatically obtains a relatively large temperature coefficient to enhance robustness, and a low-noise modal pair automatically obtains a relatively small temperature coefficient to improve alignment precision; the technical problem that the fixed temperature coefficient cannot adapt to the touch multi-mode heterogeneous noise characteristic is fundamentally solved, and end-to-end sensitivity adjustment is achieved through the global learnable self-adaptive adjustment coefficient.

The invention relates to the technical field of plasma welding, in particular to a tank and end socket welding method, device and system.The method comprises the steps that welding preparation is conducted, specifically, a tank and an end socket which are fixed through spot welding are hoisted to a welding station, and a bearing mechanism is arranged on the welding station and used for bearing and driving the tank to rotate and restraining the end of the tank; the axial slippage of the tank body is reduced; a welding head is physically calibrated and positioned through an infrared emitter, so that the welding head is aligned with a welding seam to be welded; and welding: starting a plasma welding program, rotating the tank body at a preset rotating speed, driving the tank body to rotate at a constant speed, and welding a welding seam by a welding head until the welding is completed after the tank body rotates for a circle. The device comprises a construction frame, a bearing mechanism, a driving mechanism and a welding mechanism. Manual intervention is reduced, and the welding efficiency and the quality stability are improved; the labor intensity is reduced, and the adjusting efficiency is improved.

This invention provides a glass substrate optoelectronic co-packaging structure and its fabrication method, addressing the technical problems of existing glass substrate-based optoelectronic co-packaging structures, such as easy mounting errors during assembly, poor structural stability, and easy displacement relative to the glass substrate during operation, resulting in transmission loss. The glass substrate optoelectronic co-packaging structure of this invention innovatively embeds optoelectronic integrated chips and integrated circuit chips within the glass substrate, and also incorporates a microbridge structure and a pluggable fiber array within the glass substrate. This not only reduces the overall volume of the packaging structure but also effectively improves the structural stability of each component, reducing failures caused by poor packaging or component detachment, and increasing packaging yield. More importantly, this design effectively ensures alignment accuracy, enabling precise docking between the optoelectronic integrated chip and the external optical signal array, achieving efficient and low-loss transmission of optical signals.