16results about How to "Guaranteed fitting accuracy" patented technology

The invention discloses an automatic extraction method for semiconductor device model parameters, and the method comprises the steps: obtaining a multi-target response through the key parameters of a semiconductor device model, and constructing and training an agent model to predict a target response mean value and uncertainty parameters; constructing a multi-objective optimization collaborative circulation framework assisted by an agent model; generating a candidate parameter population in key parameters according to a position updating mechanism of a multi-objective optimization algorithm, predicting candidate parameters by using a trained proxy model, selecting the candidate parameters according to a prediction result to carry out real simulation evaluation, adding an obtained real sample into a non-dominated file, and updating the file based on a non-dominated relationship. Adding a training set dynamic updating agent model into the real sample, generating a potential search trajectory, selecting a representative representative Pareto approximate solution from the potential search trajectory, and updating the position of the population and the direction of the next-generation search trajectory according to the representative solution selected from the file; and terminating the circulation, outputting the solution set in the file, and checking.

The application discloses a kind of action primitive-based anthropomorphic motion planning method, device and medium, comprising: the task to be executed is divided into subtask, and the execution order of the subtask is planned according to task demand;Capture the motion data of human arm when each subtask is executed, and the action primitive under each task is extracted and fitted quantization, to construct the action primitive library of each subtask;The action primitive library of each subtask is used as carrier to transfer the motion skill of human arm to anthropomorphic arm, to realize the anthropomorphic motion planning of redundant mechanical arm.The application can greatly reduce the data volume while improving the adaptability of robot to task.

The present application relates to the technical field of interlayer film production, and particularly relates to a production equipment for interlayer film. The technical scheme comprises: the side plates are arranged above an oil tank, feeding guide rollers are arranged between the side plates, the feeding guide rollers are arranged in a triangular array, bearing sleeves are arranged on the feeding guide rollers, fixing blocks are arranged on the bearing sleeves, reflecting blocks, laser emitters and laser receivers are arranged on the fixing blocks, feeding guide blocks are arranged between the side plates behind the feeding guide rollers, heating rollers are arranged between the side plates on the side away from the feeding guide rollers, and pressing rollers are arranged between the side plates behind the heating rollers. The present application can monitor the feeding equipment when feeding, and can timely feedback when the position of the multi-layer film deviates, so that the user can quickly adjust the equipment.

The utility model relates to a kind of surface treatment devices for gear machining, including the base being set to surface treatment device, the base is provided with the circular table for placing gear, the circular table is provided with four center symmetry distribution and is used for the fixture of fixed gear, the base is provided with the connecting component for driving fixture movement, the base is provided with the drive component for driving connecting component rotation.The surface treatment device for gear machining, power is converted into transmission by controlling connecting component, so as to drive four fixtures to move to opposite side, so as to utilize four fixtures to push and shove gear to central axis and carry out fixation, so that clamping force effectively disperses in every tooth top of gear, avoid the deformation of single tooth top by excessive force, magnet of connecting plate top is absorbed T type iron piece, offset the loosening tendency generated by vibration, and rubber pad has elasticity, can avoid rigid contact to the damage of gear surface.

The embodiment discloses an equivalent circuit automatic fitting method for batch electrochemical impedance spectroscopy data, obtains the measured values of various items of the alternating current impedance spectroscopy data in the test data by performing electrochemical impedance spectroscopy test on a cement-based test piece, obtains the element parameter vector in the candidate equivalent circuit after local fine-tuning by combining a composite optimization objective function, finds the optimal candidate equivalent circuit after traversing all the candidate equivalent circuits, and further obtains the final expression of the optimal candidate equivalent circuit based on the test data, and completes the fitting of the equivalent circuit for the batch electrochemical impedance spectroscopy data. The application can guarantee the fitting accuracy, improve the global reliability of the equivalent circuit parameter inversion and the batch processing capability, and better support the engineering application of the electrochemical impedance spectroscopy technology in the performance evaluation and durability analysis of cement-based materials.

This utility model discloses a metal-glass bonding device, including an infeed module and an outfeed module mounted on a worktable. A feeding and film-tearing mechanism and a visual inspection mechanism are installed on the worktable along the conveying direction of the infeed module. A bonding platform is installed on the worktable behind the infeed and outfeed modules. An metal-carrying module for picking up metal parts from the infeed module and transferring them to the bonding platform, and an outfeeding module for picking up bonded products from the bonding platform and transferring them to the outfeed module are also installed on the worktable. A glass feeding mechanism for providing glass and an assembly bonding mechanism for bonding are also provided behind the bonding platform. A pressure-holding mechanism is also provided above the outfeed module. Through the above methods, this utility model has a compact structure, can automatically feed and tear film, automatically inspect, and can bond products with high precision while maintaining pressure on the bonded products to ensure product quality.

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

The invention provides an image-guided double-radio-frequency acousto-optic deflection laser cell cutting system and method, and the system comprises a microscopic imaging module which is used for collecting a cell image; the imaging control module is used for controlling the microscopic imaging module to collect cell images and extracting contours of the collected cell images to obtain cell contour coordinates; the laser cutting module is used for emitting pulse laser, performing X-direction and Y-direction double-radio-frequency acousto-optic deflection on the pulse laser, and cutting the cell contour by using the obtained deflection laser; and the cutting control module is used for acquiring a mapping relation between the coordinate system of the microscopic imaging module and the radio frequency of the double-radio-frequency acousto-optic deflection to obtain a coordinate-frequency mapping model, and controlling the laser cutting module to perform the double-radio-frequency acousto-optic deflection on the pulse laser according to the cell contour coordinates and the coordinate-frequency mapping model. According to the invention, the cutting welting accuracy and repeatability can be improved.

The application relates to the technical field of electric digital data processing, and particularly discloses a steel mesh automatic recognition method based on unmanned aerial vehicle laser point cloud data, which comprises the following steps: acquiring point cloud data of a steel mesh in a tunnel or underground structure during construction, pre-processing original point cloud, plane segmentation, steel layer detection, steel axis extraction, steel direction recognition, interlayer spacing geometry parameter calculation, result output and the like. The application realizes full-automatic recognition through unmanned aerial vehicle laser scanning technology combined with an intelligent point cloud processing algorithm, improves the accuracy of a detection result, overcomes problems of low efficiency and insufficient accuracy of a traditional method which relies on manual measurement, and facilitates high-precision and high-efficiency recognition of a steel mesh in a tunnel or underground structure during construction, thereby providing a more reliable quality evaluation basis.

The utility model relates to broken bridge aluminum door and window sealing technical field, concretely is a kind of broken bridge aluminum door and window sealing structure, including sealing gasket, the sealing gasket is the composite structure containing graphene, adaptive deformation when extruding, the sealing gasket is respectively engaged in and is installed in first clamping block and second clamping block, first clamping block is respectively opposite and is installed in two groups of glass frame inner side, the recess formed for glass engagement at the two groups of glass frame relative arrangement, and glass and sealing gasket extrusion fit realize glass sealing installation, hinge connecting rod is installed in glass frame outer side through pin shaft, second clamping block is installed in window frame assembly one side, glass frame is installed in window frame assembly inside through hinge, the utility model uses graphene sealing gasket, uses high elastic modulus to compensate glass and frame assembly tolerance, improves sealing property;Through the rigid of inclined bracing plate in glass frame and window frame is strengthened, inhibits sealing pressure deformation, ensures fit accuracy, solves the sealing failure caused by the rigidity deficiency of traditional structure.

The application relates to the technical field of radar ranging, and discloses a radar ranging method, a radar ranging device and a radar level gauge.The method comprises the following steps: receiving multiple echo signals reflected by a ranging target, superimposing the multiple echo signals to obtain superimposed echo signals; screening multiple target spectrum lines from the spectrum of the superimposed echo signals; obtaining multiple interpolation points based on the multiple target spectrum lines and calculating an initial distance from the ranging target; screening multiple target interpolation points from the multiple interpolation points based on the initial distance; performing cubic spline interpolation based on the multiple target interpolation points to obtain a cubic spline interpolation function; and substituting the initial distance into the cubic spline interpolation function to obtain a target distance.The application can significantly suppress noise and improve the signal-to-noise ratio by superimposing multiple echo signals reflected by a ranging target, and can realize efficient and accurate radar ranging by adopting double interpolation of local fine Rife interpolation and globally optimized cubic spline interpolation.

The application discloses a machine learning assisted phase shift mask proximity correction method and belongs to the technical field of semiconductor lithography. The method comprises the following steps: obtaining an initial phase shift mask pattern and a target imaging pattern; constructing and training a physically guided forward imaging prediction model, wherein the model adopts a hybrid neural-physical double-branch architecture, the physical branch uses a learnable parameterized effective thin mask to approximately compensate for the thick mask effect, the main branch learns the residual error, and the fusion output predicts the spatial image; taking the forward model as a differentiable simulator, performing reverse correction under the manufacturability constraint by using the accompanying sensitivity and controlled random disturbance, and obtaining a final phase shift mask pattern; and outputting the mask pattern data after design rule checking and local fine-tuning. The application takes into account the physical consistency and data-driven flexibility of imaging prediction, improves the reverse optimization quality, considers the mask manufacturability constraint, and is suitable for proximity correction of phase shift masks in EUV lithography.

The application discloses a kind of electronic equipment back cover bonding processing method, for realizing the bonding of big glass and small glass located around rear camera on the back of electronic equipment, the method comprises: UV glue bonding step: big, small glass is bonded together by UV glue to obtain bonding glass group;Bubble removal step: the bonding glass group is placed into bubble removal machine, and the best pressure value is found by applying stepwise increase / decrease pressure, and vacuum degassing is carried out based on the found best pressure value;Selective UV irradiation step: according to the characteristics of UV glue and the area that big, small glass needs to be bonded and fixed, the bonding glass group is selectively irradiated by UV light;Etching cleaning step: the bonding glass group is placed into etching liquid medicine matched with the characteristics of the UV glue for cleaning, and glue overflow is removed;The yield of the application is greatly improved, production capacity is improved, and the process is simple.

The invention relates to the technical field of continuous punching machines, and discloses a large mechanical press continuous automatic punching device which comprises a machining column, a base and external control equipment, the base is fixedly connected to the bottom end of the machining column, and the large mechanical press continuous automatic punching device further comprises a punching mechanism arranged on the side of the machining column and a material taking mechanism arranged at the bottom of the machining column; the stamping mechanism comprises a first upper die stamping device fixedly connected to the side wall of the machining column and a second upper die stamping device fixedly connected to the side wall of the machining column, and the first upper die stamping device and the second upper die stamping device of the stamping mechanism are matched with the first lower die and the second lower die, so that two continuous stamping procedures can be completed; the full-process automatic continuous processing from raw materials to finished products is realized by combining automatic feeding of the transmission belt driving device and cooperative work (such as synchronous performing of material taking, discharging and transferring) of a plurality of driving adjusting assemblies in the material taking mechanism, so that the manual intervention is reduced, and the efficiency of mass production is effectively improved.

The utility model discloses an apex laminating disc capable of adapting to multiple specifications. The apex laminating disc comprises an ejector rod assembly, a plurality of laminating discs, a plurality of guide rails, a plurality of first connecting plates, a clamping assembly, a mounting plate, a swinging driver, a plurality of second connecting plates and a nylon sleeve, the nylon sleeve is arranged at the top of the swinging driver, the attaching disc is detachably connected with the second connecting plate, the guide rail is detachably connected with the upper surface of the mounting plate, the second connecting plate slides in the radial direction of the guide rail, the swinging driver is fixedly connected with the upper surface of the mounting plate, and the clamping assembly is arranged on the outer side of the attaching disc. The ejector rod assembly is arranged above the laminating disc; the bead ring and apex laminating device is simple in structure and convenient to operate, multi-specification adjustment of the laminating disc is easily completed, rapid and accurate expansion and contraction of the laminating disc are achieved, the laminating process of a bead ring and apex is simplified, the bead forming efficiency is improved, the bead forming quality is guaranteed, and full automation of the bead ring and apex laminating process is achieved.

The present application relates to a kind of curved surface fitting equipment, can realize the accurate alignment of curved surface glass, make curved surface and curved surface form good fitting, including workbench, first upper cavity mechanism in workbench, lower cavity mechanism, photograph scanning mechanism, and the control unit electrically connected with photograph scanning mechanism.First upper cavity mechanism includes the first concave fixture of fixed first material;Lower cavity mechanism includes first alignment assembly, and first alignment assembly includes alignment platform and the first convex fixture of fixed second material.When first concave fixture moves towards first convex fixture, first material is pressed and bonded to second material.Photograph scanning mechanism includes scanning component for obtaining the curved surface profile information of first material and second material and photographing component for obtaining the planar image information of first material and second material.Control unit adjusts alignment platform according to curved surface profile information and planar image information, so that the convex surface of first material and the concave surface of second material maintain the state of curved surface alignment.