39results about How to "Accurate realization" patented technology

The invention discloses a three-dimensional geometric reconstruction camera calibration method and system, and relates to the technical field of three-dimensional geometric reconstruction, and the method comprises the steps: S1, image collection; s2, automatic calibration point selection; s3, estimating camera parameters; s4, distortion correction is carried out; and S5, performing three-dimensional reconstruction verification. According to the three-dimensional geometric reconstruction camera calibration method and system, a calibration point does not need to be selected manually, the calibration process is simplified, the complexity and time cost of the calibration process are reduced, a high-precision calibration result can be obtained without shooting a plurality of plane images and carrying out a plurality of optimization iterations, and the calibration efficiency is improved. The calculation amount and the time cost are further reduced, and camera calibration can be quickly and accurately realized; in addition, nonlinear distortion of a camera lens is fully considered, the calibration precision is further improved, and the method is particularly suitable for the situation that a wide-angle lens is used or an image contains large distortion.

The utility model discloses a foil unwinding module. The foil unwinding module comprises an isolation plate, a fixed part, a movable part and a deviation rectifying driving part. The fixing part is arranged on the back surface of the isolation plate; the movable part is movably arranged on the fixed part; an unwinding assembly is arranged on the moving part, and a material roll mounting position of the unwinding assembly penetrates through the isolation plate; the deviation rectifying driving part is arranged on the moving part; the driving end of the deviation rectifying driving part is connected to the isolation plate, and the deviation rectifying driving part can drive the moving part to move so as to drive the material roll mounting position of the unwinding assembly to be close to or away from the isolation plate. According to the foil unwinding module, the precision of attaching the foil to the pole piece material belt can be improved, and the welding precision is improved.

The application discloses a laser ranging four-roller micro-foaming calender and a calendering method thereof, and belongs to the technical field of plastic foamed plate processing equipment. The calender comprises a four-roller calendering unit, a laser ranging unit, a servo adjusting unit and a control system. The plate thickness is detected in a non-contact real-time mode by a laser triangulation ranging sensor, and the servo motor is linked with the PLC control system to realize closed-loop dynamic adjustment of the roll gap. The calendering method adopts multi-channel symmetrical calendering of the upper roller group and the lower roller group and gradient temperature control, so that the plate sequentially completes surface skinning, internal foaming and thickness setting calendering, and the thickness uniformity and the surface quality are effectively improved.

The utility model relates to the field of loading and unloading operation of conveyors, in particular to a material conveying deviation rectifying device. A material conveying deviation rectifying device comprises a first conveying assembly and a second conveying assembly, a first conveyor and a second conveyor are arranged on the first conveying assembly and the second conveying assembly respectively, and conveyor belts are arranged on the first conveyor and the second conveyor respectively so that materials can be continuously conveyed on the second conveyor and the first conveyor; the first conveying assembly is arranged on a driving rotary table, and the driving rotary table is used for driving the first conveying assembly to horizontally rotate; the deviation rectifying device comprises a pair of shifting plates and a deviation rectifying driver which are rotationally arranged, the shifting plates are arranged on the two sides of the conveying belt, the deviation rectifying driver is used for driving the shifting plates to rotate, and the shifting plates are used for shifting materials on the conveying belt so as to adjust the postures of the materials. The posture correcting device can adapt to posture correcting of conveying of double-row materials, especially double-row box materials.

The present invention relates to a system and method for automatically identifying the spacing between steel bars to achieve straightening and deviation correction, the method comprising the following steps: when using a robot to automatically tie steel bars, obtaining an image of the steel bars to be tied; processing the obtained image of the steel bars to be tied to obtain the spacing between two adjacent steel bars; judging whether the spacing between the two adjacent steel bars exceeds a set range, if it exceeds the set range, adjusting the position of another steel bar based on the steel bar currently to be tied by the robot, so that the spacing between the two steel bars is within the set range. The present invention automatically adjusts the position of the steel bars when the spacing between the steel bars exceeds the set range, realizes straightening and deviation correction of the steel bars, ensures that the robot can walk along the steel bars without manual intervention, and effectively solves the problem of the robot being unable to walk due to the displacement of the steel bars.

The invention discloses a high-precision full-elevation sky-ground radiation signal correction method and device, and belongs to the technical field of radiation signal processing, and the method comprises the steps: carrying out the preprocessing of a to-be-processed sky-ground radiation signal, and obtaining a zero-offset sky-ground radiation signal; calculating a soft decision function transformation coefficient and a mixed function weight coefficient according to the skewness value of the zero-offset sky-earth radiation signal; substituting the soft decision function transformation coefficient and the mixed function weight coefficient into a pre-constructed mixed function transformation model, and using the mixed function transformation model to perform soft saturation transformation on the zero-offset sky-earth radiation signal to obtain a rectified sky-earth radiation signal; and fitting the rectified space-ground radiation signal to obtain a rectified space-ground radiation signal fitting curve. The method does not need to depend on a simplified mathematical model, does not need external reference information, can achieve the rectification of the space-ground radiation signal in a dynamic environment, and remarkably improves the reliability and robustness of a space-ground radiation measurement system.

The utility model discloses a PE coated paper production guiding and deviation rectifying mechanism which comprises a workbench, an installation frame is movably arranged on the surface of the workbench, a rotating shaft is fixedly installed in the center of the bottom of the installation frame, the rotating shaft at the bottom of the installation frame is movably connected to the interior of the workbench through a bearing, and a gear is installed on the rotating shaft at the bottom of the installation frame. A driving seat is mounted on one side of the gear, a rack is screwed and fixed to the surface of the driving seat, and meanwhile the end of the driving seat is fixed to a piston rod of a servo electric cylinder. According to the guiding and deviation rectifying mechanism for production of the coated paper, when the coated paper body deviates leftwards, the inductor detects the situation and sends out a signal, the controller drives the servo electric cylinder to work, and the coated paper body is pushed rightwards under the action of the gear, the rack and the driving seat, so that deviation rectifying is achieved, and vice versa; in this way, it can be ensured that the coated paper body is always kept at the correct position in the conveying process, and it is avoided that deviation affects subsequent machining or use.

Embodiments of the present application provide a vehicle trajectory correction method and device, electronic equipment and vehicle. The method comprises: when the driver releases the accelerator pedal, applying a negative kinetic energy recovery torque to each wheel; determining whether the vehicle is running on a non-uniform road surface according to the kinetic energy recovery torque applied to each wheel and the slip rate of each wheel; if the vehicle is running on a non-uniform road surface, determining the yaw moment when the vehicle trajectory deviates on the non-uniform road surface based on the kinetic energy recovery torque applied to each wheel and the front wheel track and rear wheel track of the vehicle; based on the yaw moment, controlling each wheel to rotate a corresponding target angle to generate a reverse yaw moment opposite to the direction of the yaw moment to eliminate the trajectory deviation of the vehicle. The method controls each wheel to rotate a corresponding target angle to generate a reverse yaw moment opposite to the direction of the yaw moment to correct the trajectory of the vehicle and improve the driving safety of the vehicle.

The invention belongs to the technical field of port intelligent transportation, and particularly discloses an in-port vehicle trajectory deduction method based on space-time correlation analysis, and the method comprises the steps: receiving multi-dimensional data of a vehicle in a port; determining historical passage data and real-time passage data based on the level data, determining an inter-region transition probability based on the historical passage data and the real-time passage data, and determining image similarities of different positions and different time points based on the image data; performing weighted fusion on the inter-region transition probability and the image similarity to obtain the degree of association of the vehicle transferred from the first region to the second region at the target moment so as to construct a space-time association matrix; and generating a vehicle driving track in a node-by-node prediction mode based on the space-time incidence matrix, and dynamically correcting the vehicle driving track through a double triggering mechanism of checkpoint passing recording and road monitoring to obtain final space-time track data. According to the invention, data reliability and time-space relevance can be improved, and accurate simulation of the vehicle motion trail is realized.

The application relates to the field of inkjet printing technology, in particular to a bearing deviation rectifying table and a processing system, which comprises a base, a mounting plate rotatably connected to the base, a bearing plate located above the mounting plate and used for bearing a substrate, a plurality of push-up pieces uniformly distributed below the bearing plate, a fixed end of each push-up piece being mounted on the mounting plate, a movable end of each push-up piece being connected to the bottom surface of the bearing plate, an operation end of each push-up piece being located at the top of the movable end of the push-up piece, a plurality of through adjustment holes being arranged on the surface of the bearing plate, and the movable end of each push-up piece being mounted on the plurality of adjustment holes of the bearing plate. The height of the movable end of each push-up piece is adjusted through the adjustment holes, so that the height of the bearing plate at the position is changed. Through the cooperation of the plurality of push-up pieces and the adjustment holes on the bearing plate, the height of each part of the large-size bearing plate is finely adjusted, the substrate is uniformly supported, the surface height consistency of the large-size substrate is good, and the film forming quality of the substrate surface is ensured.

The invention belongs to the field of LED illumination, and particularly relates to an LED light-emitting module which comprises a lamp shell. A lampshade is installed on the surface of the lamp shell. A plurality of clamping blocks are fixedly connected to the inner side wall of the lamp shell. The clamping block is of an L-shaped structure; a circuit board is installed in the lamp shell. A plurality of lamp beads are mounted on the surface of the circuit board; a protective shell is fixedly connected to the middle of the lamp bead. The surface of the circuit board is fixedly connected with a plurality of positioning rings; the positioning ring and the protective shell are correspondingly arranged; the middle part of the positioning ring is in sliding connection with a plurality of sliding rods; the sliding rod and the positioning ring are arranged in a penetrating manner; the end part of the sliding rod is fixedly connected with a positioning block; the surface of the positioning block is obliquely arranged; the positioning block is positioned between the positioning ring and the protective shell; and the positioning block can extrude the protective shell under the elastic action of the elastic spring, so that the device can guide and rectify the moving path when the protective shell and the lamp bead are mounted, and the accuracy of the mounting position of the lamp bead is improved.

The utility model discloses an adhesive tape coater with deviation rectifying function, including coater main part, drive mechanism, coating mechanism, deviation rectifying mechanism and drying mechanism, coater main part includes processing box and mounting plate no. The deviation rectifying mechanism comprises a Y-axis direction deviation rectifying box and a Z-axis direction deviation rectifying roller, one end of the Y-axis direction deviation rectifying box is fixedly connected with a first electric telescopic rod, the Z-axis direction deviation rectifying roller is fixedly connected with a second electric telescopic rod through a supporting rod, and a resistance wire and an air blower are arranged in the drying mechanism. The adhesive tape coating machine with the deviation correction function is advanced in design, compact in structure and convenient to use, a base material can be pushed to the coating roller, it is ensured that the coating roller can make full contact with the base material, deviation correction of the base material in the Y-axis direction is achieved, it is ensured that the coating roller can make full contact with the base material, and the adhesive capacity of an adhesive tape is greatly improved.

The utility model discloses a multi-shaft feeding mechanism which comprises a first track assembly, a second track assembly and a deviation rectifying assembly. The first rail assembly is perpendicular to the second rail assembly in the horizontal direction. The second rail assembly is arranged on the first rail assembly; the first guide rail assembly can horizontally slide on the first guide rail assembly; the deviation rectifying assembly is arranged at the tail end of the first track assembly; materials are conveyed to the position of the deviation rectifying assembly through the second rail assembly. The deviation rectifying assembly is used for achieving deviation rectifying of the materials, and then the first rail assembly conveys the materials located on the second rail assembly to the next station. Aiming at the defects of poor stability, low transmission efficiency and the like in the sheet-shaped material transmission process, the double-layer guide rail assembly with the deviation rectifying structure is specifically designed, material transmission in at least two axial directions can be realized, the overall transmission efficiency is higher, and the stability is higher.

The invention belongs to the technical field of solar coating, and particularly relates to a feeding and discharging device for coating equipment, which comprises a support frame, a lifting mechanism mounted in the support frame, a feeding and taking mechanism mounted above the lifting mechanism, a feeding plate mounted at the top end of the feeding and taking mechanism, and a silicon wafer carrier plate arranged above the feeding plate. A coating assembly is installed on the side, away from the feeding and taking mechanism, of the top end of the supporting frame, a containing disc is arranged in the coating assembly, and a groove in the containing disc is matched with the silicon wafer carrier plate in shape. The position of the silicon wafer carrier plate is shot through the camera, the silicon wafer carrier plate is clamped by the clamping plate through descending of the lifting plate, then the silicon wafer carrier plate can be straightened by rotating the direction of the lifting plate, and then the silicon wafer carrier plate is put back to the top end of the feeding plate so that deviation correction of the silicon wafer carrier plate can be achieved.

The invention relates to the technical field of tunnel engineering, in particular to a five-axis segment erector for tunnel construction teaching, which comprises a shell, a moving assembly is arranged at the top of the shell, and a first clamping groove is formed in the top of the shell. According to the five-axis segment erector for tunnel construction teaching, the grabbing and placing positions of segments can be accurately positioned, the strict requirement of tunnel segment assembling for high-precision positioning is met, it is guaranteed that the motion posture and the tunnel environment can be accurately simulated, the motion state similar to that of the segment erector in a tunnel can be provided, and the construction efficiency is improved. Expected angular velocity, angle, angular acceleration and the like are obtained, and practical operation in the tunnel can be replaced. According to the invention, damage to attitude control and complete equipment caused by test operation errors in the tunnel is avoided, the safety coefficient is improved, the learning and training cost of high-skill installation personnel is greatly reduced, and the system has the advantages of good control precision, high reliability, strong stability, economy, practicability, energy conservation, short test period and the like.

The application discloses a kind of based on molten pool image's weld tracking method and system, electronic equipment, storage medium, based on molten pool image's weld tracking method of the present application first real-time acquisition molten pool image and it is preprocessed, molten pool image is converted into gray image, then based on the molten pool image after pre-processing automatically identifies molten pool centroid position, then based on the molten pool image after pre-processing and molten pool centroid position automatically extracts weld feature straight line, finally according to the deviation distance of molten pool centroid position and weld feature straight line, welding position is corrected in real time, can be based on the real-time acquisition molten pool image welding position is corrected in real time, high-precision weld automatic tracking and deviation correction in welding process are realized.

This utility model discloses a novel slitting and rewinding machine, including a frame assembly, a rewinding assembly, a slitting assembly, and a heat-sealing assembly. The frame assembly includes a base frame, wall panels, a front transition roller, a rear transition roller, and a guide roller. Both ends of the base frame are connected to the wall panels. Both ends of the front and rear transition rollers are also connected to the wall panels. Both ends of the guide roller are connected to the wall panels via tension sensors. The rewinding assembly is located between the front transition roller and the base frame, and includes a frame body, an air shaft, a cylinder, and a magnetic powder clutch. A correction mechanism is provided between the frame body and the base frame. Cylinders and magnetic powder clutches are located on both sides of the frame body. Both ends of the air shaft are detachably connected to the cylinders and magnetic powder clutches via transmission components. The heat-sealing assembly is located above the front and rear transition rollers. The slitting assembly is located on the side of the guide roller away from the rear transition roller. This utility model can automatically rewind, correct, heat-seale, and slitting EVA, co-extruded PO, and other adhesive films, with efficient, stable, and reliable operation.

The invention belongs to the technical field of capacitor film winding, and particularly relates to a capacitor film winding device which comprises a rack assembly, a roller swing mechanism, a winding induction assembly, a power transmission mechanism and an automatic cutting mechanism, the winding induction assembly is arranged on a first side plate, and the power transmission mechanism is arranged on the first side plate; and the automatic cutting mechanism is arranged on the first side plate. By means of the roller swing mechanism, errors of a film body can be sensitively sensed and fed back, and the winding roller is automatically and slowly adjusted and rectified in a hydraulic linkage mode; moreover, the progress of the winding procedure is fed back through the winding induction assembly, and under the condition that the universal joint fork frame continuously rotates, when winding reaches a certain degree, power transmission is automatically cut off, and cutting of the thin film body is completed.

The invention provides an intention recognition method and system for programming technical issues, and belongs to the technical field of software engineering.The method comprises the steps that the programming technical issues of a target platform are collected and screened; performing intention annotation on the programming technical problem by adopting an iterative statistical sampling mode, and constructing a multi-level intention classification system to obtain a basic data set; performing data enhancement on samples in the basic data set based on a large language model to obtain an enhanced data set; and training an intention recognizer through the enhanced data set, and carrying out intention recognition on the to-be-tested programming technical problem through the trained intention recognizer. According to the method, the multi-level intention classification system is constructed and the intention recognizer is trained, so that understanding of deep semantics of programming technical problems is realized, the problem of category imbalance in a data set can be relieved through a data enhancement mechanism, and the intention recognition accuracy is improved.

The utility model discloses a full-angle adjustable travel switch of a sensing head, which comprises the sensing head, a rotating shaft and a connecting socket which are arranged outside a shell, and a cam, a torsion spring, a torsion spring limiting rod and a microswitch which are arranged in the shell, the sensing head is connected with the rotating shaft, the rotating shaft extends into the shell, the torsion spring and the cam are arranged on the rotating shaft, the torsion spring limiting rod is arranged above the rotating shaft in the same direction, and the microswitch is arranged in the shell. Spring arms at the two ends of the torsion spring are arranged on the two sides of the torsion spring limiting rod respectively, the cam can abut against a reed contact of a microswitch installed on the side, and the microswitch is connected with a connecting socket installed on the outer side of the shell through an electric wire. The utility model has the advantages of compact and reasonable structure and good pressing effect; and meanwhile, the sensing head can be adjusted in position by 360 degrees and slightly adjusted at a small angle, so that the mounting requirements of different environments are met.

A novel horizontal electroplating line relates to the technical field of coil surface electroplating devices, including an electroplating line frame, a positioning device is provided on the electroplating line frame, an unwinding device and a rewinding device are provided at both ends of the electroplating line frame respectively, and an oil removal device, a water washing device and a drying device are provided in sequence along the feeding direction of the electroplating line frame. The present invention solves the problems that the device in the traditional technology cannot ensure the linearity of the coil movement of the substrate during the unwinding and rewinding process; the contact area between the substrate and the cleaning liquid is small, and the working efficiency of the oil removal device on the coil cannot be improved; the coil is cleaned by spraying, which increases the lateral space occupied by the device; and its lateral volume needs to be increased to dry the substrate.

The invention provides a positioning track deviation correction method, which comprises the following steps of: identifying and deleting abnormal positioning data to determine a position where one abnormal data is deleted, and the position is a position capable of performing positioning track deviation correction; in the process of generating the positioning track according to the positioning data of which the abnormal data is deleted, the corrected positioning track section is generated at the determined position according to the moving scene of the positioning tracking device, so that the positioning track correction is realized, the positioning accuracy, robustness and availability of the positioning tracking device are improved, and the user experience is improved. The invention further provides a positioning tracking device and a readable medium.

The invention relates to the technical field of sintered block cutting and grinding, in particular to an automatic sintered block cutting and grinding machine, comprising: a synchronous feeding mechanism, comprising a base, a bracket and a sintered block; a cutting and grinding mechanism, comprising a cutting wheel and a grinding wheel, a conveying roller and an upper belt; a cooling and dust-proof mechanism, comprising a watering bin, wherein the upper and lower belts can synchronously move and adjust their positions under the action of a lead screw, and clamp the sintered block at different positions, and the positions of the grinding wheel and the cutting wheel can be synchronously moved by the extension and contraction of a motor lead screw, so that the staff can make adaptive adjustments according to the cutting processing size, and synchronous movement is ensured by a synchronous belt, and cutting and grinding are performed through belt conveying, and the spacing can be adjusted to adapt to sintered blocks of different specifications, and centering and clamping are performed to prevent movement and dislocation, and the amount of coolant is controlled according to the height of the sintered block, and the faster the movement, the coolant spraying direction is cyclic and uniform spraying, and when the sintered block is offset, the restriction of the impeller on the liquid level is released to achieve deviation correction.

The invention relates to the technical field of geological survey, in particular to a hydraulic ring geological survey drilling sampling device which comprises a threaded rod, the upper end of the threaded rod is connected with external driving equipment, the lower end of the threaded rod is fixedly connected with a sampling mechanism, the outer side of the sampling mechanism is sleeved with a shell, and a cavity is formed in the side wall of the shell. A cavity is formed in the bottom wall of the shell, a plurality of telescopic mechanisms are arranged on the upper portion of the interior of the cavity at equal intervals, the lower end of each telescopic mechanism is connected with a gas cylinder, a through hole for the gas cylinder to penetrate through is formed in the bottom wall of the shell, the lower end of each gas cylinder is fixedly communicated with a gas pipe, an outer air cushion is fixedly connected to the outer side of the gas pipe, and an inner air cushion is fixedly installed on one side of the outer air cushion. On one hand, sample pollution caused by mixing of sampled soil and soil in the drilling process can be avoided, the detection accuracy is improved, on the other hand, falling protection and deviation correction of a falling drill in two states of the middle core can be achieved, and reconnection is facilitated.

The utility model relates to transmission deviation rectification technical field especially relates to a kind of deviation rectification mechanism device of roll-to-roll transmission system;Including deviation rectification subassembly and detection subassembly, the deviation rectification subassembly, the detection subassembly are all set on rack, the rack is divided into upper layer and lower layer, the both ends of the rack of upper layer are rotatably connected upper roll, the both ends of the rack of lower layer are rotatably connected lower roll, the upper roll and the lower roll are also along the length direction of the rack sliding arrangement, steel band is wound on the upper roll and the lower roll, the both ends of the upper roll are correspondingly set one deviation rectification subassembly and one detection subassembly, the both ends of the lower roll are also correspondingly set one deviation rectification subassembly and one detection subassembly;The detection subassembly is used to detect whether the steel band of its corresponding side is deviated, the deviation rectification subassembly is used to carry out position deviation rectification to the steel band deviated by detection subassembly detection;Realize the deviation rectification of steel band.

This invention discloses a method for coordinated economic scheduling of power frequency and variable frequency hybrid cascade pumping stations and gate valves based on dynamic optimization of forebay water level. The method collects static parameters and real-time operating data of the water diversion project; constructs a pumping station characteristic curve model covering four operating conditions: single pump operation, power frequency parallel operation, variable frequency parallel operation, and power frequency and variable frequency hybrid operation; uses forebay water level as the optimization decision variable, iterates through different forebay water levels and calculates the total system power, determines the optimal speed combination through speed optimization, and constructs a drift law library of water supply flow and optimal forebay water level; establishes an economic scheduling model with the goal of minimizing pump power consumption cost, using forebay water level as a dynamic decision variable and obtaining the safe operating boundary based on the drift law library; monitors water supply deviation at each scheduling moment, and when the deviation exceeds a threshold, re-solves the model using the actual forebay water level and remaining water demand as boundary conditions, generates a scheduling plan for the remaining time period, and issues it for execution.

The present invention discloses a femtosecond optical comb frequency automatic locking system and method for an optically generated ultra-stable microwave source, comprising: an optical frequency comb, a frequency difference voltage generating circuit, a voltage conditioning circuit and a phase-locked loop circuit; the optical frequency comb outputs an optical comb signal; the frequency difference voltage generating circuit determines the frequency difference between an input optical comb signal and an input reference signal, and converts the frequency difference into a voltage signal; the voltage conditioning circuit conditions the voltage signal to obtain a conditioned voltage signal, and feeds the conditioned voltage signal back to the optical frequency comb; the optical frequency comb is also used to change the frequency of the output optical comb signal according to the conditioned voltage signal; the phase-locked loop circuit is used to phase-lock the input reference signal and the input frequency-adjusted optical comb signal, obtain a phase difference signal and feed it back to the optical frequency comb, and the optical frequency comb locks the phase of the optical comb signal according to the phase difference signal. The present invention can realize automatic locking, is simpler to realize, has high stability, strong reliability, and can automatically operate stably for a long time.

The invention discloses a strike-slip fracture simulation method and device, electronic equipment and a storage medium. The method comprises the following steps: determining a strike-slip fracture distribution map, a current structural map and a geological analysis rule in a target area; determining the three-dimensional length of the initial model according to the strike-slip fracture distribution diagram; according to a current structural map and a geological analysis rule, determining a second position of each first type of movable wall in the initial model and a moving speed of each first type of movable wall; adjusting the initial model according to the second position of each first type of movable wall body in the initial model and the moving speed of each first type of movable wall body to obtain a target model; and according to the target model, determining strike-slip fracture characteristics of the target area. By adopting the technical scheme of the invention, a set of complete strike-slip fracture simulation process is constructed, so that the determination of strike-slip fracture characteristics has universality and operability.