32 results about "Surface conditions" patented technology

The invention relates to the technical field of multi-sensor fusion, in particular to a detection method and system for silicon steel magnesium oxide adhesiveness. Particulate matter matching analysis is carried out based on the corresponding magnesium oxide coating particle condition and the silicon steel surface condition; the particle bonding effect is evaluated based on the particle matching analysis result and the fluidity condition of the coating in the scene, and the magnesium oxide adhesion quality is predicted based on the evaluation result of the particle bonding effect and the shaking condition of the equipment in the coating process. The characteristics of the coating, the surface condition of the silicon steel, the coating environment, dynamic factors in the coating process and the like are comprehensively considered, the adhesiveness of magnesium oxide is evaluated and analyzed from multiple dimensions, and the multi-dimensional analysis method provides a more scientific and more accurate evaluation means for the silicon steel coating technology.

The invention discloses a paint surface condition detection and grinding and polishing robot path planning method for a paint layer on the surface of special equipment, which comprises the following steps: processing point cloud data obtained by a three-dimensional structured light camera to obtain spatial position characteristics of a workpiece, calculating a processing path required by a robot for grinding operation, and analyzing the cutting amount of a grinding head to obtain a processing path of the workpiece; path parameters are optimized, so that a more uniform surface removal rate is obtained; a deep learning method is adopted to detect and analyze a robot grinding and polishing operation result, a mixed layer thickness estimation algorithm is designed based on visual features of a workpiece before and after grinding machining, a grinding and polishing paint surface data set is marked based on the algorithm, and path optimization is performed based on the marking result; and the feedback quantity of paint surface change is obtained through a path planning algorithm, the path is planned again, the robot carries out targeted grinding machining based on the path, and a closed loop of the whole system is achieved.

To enable high-precision visual inspection. [Solution] The appearance inspection device 1 comprises a first illumination unit 11 that illuminates the surface of the object to be inspected W, an imaging unit 13 that images the surface of the object to be inspected W illuminated by the first illumination unit 11, and an inspection unit (control unit 21) that inspects the surface condition of the object to be inspected W based on the image captured by the imaging unit 13. The first illumination unit 11 includes a light source 112 surrounding the central axis WA of the object to be inspected W, the normal A of the light-emitting surface 112a of the light source 112 is perpendicular to the central axis WA or within 45 degrees, and the length T of the light source 112 in the direction along the central axis WA is greater than or equal to the radius r of the light source 112 surrounding the central axis WA.

The invention discloses a tunnel surrounding rock deformation prediction method based on a geological strength index and a seismic wave method, and the method comprises the following steps: S1, collecting tunnel data at a measurement point, and obtaining the surrounding rock section data of the measurement point; s2, selecting a representative rock surface at the measurement point, calculating a rock mass volume joint number and a structural surface condition factor, and determining a geological strength index value of the measurement point by using the rock mass volume joint number and the structural surface condition factor; s3, establishing a first relation model based on the surrounding rock section and the geological strength index value, wherein the first relation model is used for predicting the geological strength index value of the target point; s4, obtaining the longitudinal wave velocity and the uniaxial compressive strength of the measurement point through the tunnel data, establishing a second relation model based on the longitudinal wave velocity and the uniaxial compressive strength of the measurement point, and predicting the uniaxial compressive strength by the second relation model; and S5, generating the rock mass deformation modulus of the target point based on the predicted uniaxial compressive strength and the geological strength index value of the target point. The problem that the traditional method cannot predict in advance is solved.

The processability of the workpiece based on the processing conditions is accurately determined before processing, without being affected by the surface condition, thereby reducing processing defects. [Solution] The processing system includes a laser processing device capable of performing a processing step in which laser light is irradiated onto a workpiece under processing irradiation conditions to perform processing, and a workability judgment step in which laser light is irradiated onto the workpiece under judgment irradiation conditions that are different from the processing irradiation conditions; an imaging device capable of imaging the workpiece; a surface judgment device that judges the surface condition of the workpiece based on image information obtained by imaging the workpiece with the imaging device and determines the irradiation position of the laser light in the workability judgment step based on the judgment result of the surface condition of the workpiece; and a workability judgment device that judges the workpiece's workability based on light generated by the laser processing device irradiating the irradiation position of the workpiece with laser light under judgment irradiation conditions in the workability judgment step.

The invention discloses a defect detection method and system for a sculpture product based on image recognition, and relates to the technical field of defect detection, and the method comprises the steps: determining a plurality of abnormal features according to the detection of a three-dimensional model of the sculpture product; determining a corresponding abnormal review area according to the feature positions of the plurality of abnormal features and the corresponding curved surface forms, triggering secondary review of the sculpture product based on the abnormal review area, and collecting a secondary review image, and the defect content of the sculpture product is determined based on the secondary review image, the surface condition of the abnormal review area and the corresponding area grade, so that the accuracy of the defect content of the sculpture product is improved. Therefore, a defect maintenance event is determined according to the abnormal sculpture event and a database of sculpture products; meanwhile, the current posture of the sculpture product is collected, the dynamic maintenance event of the sculpture product is determined based on the current posture of the sculpture product, the corresponding overall form and the defect maintenance event, and the accuracy of the dynamic maintenance event of the sculpture product is improved.

The application provides a control method, device, equipment, medium and product of a CMP device, control parameters of a trimming arm and a grinding disc in the CMP device are determined, and the non-uniform swinging of the trimming arm is coupled with the rotation and translation motion of the grinding disc based on the control parameters, so that the trimming head forms a complex composite motion track on the grinding disc, ensures that the trimming head can cover every area of the surface of the grinding disc, effectively eliminates the trimming blind area and excessive trimming area of the polishing pad carried on the grinding disc during trimming, provides a highly consistent surface condition for subsequent polishing process of a wafer, and improves the global planarization effect of wafer processing.

The present invention discloses a method for evaluating the durability of an anti-reflective surface subjected to laser irradiation, comprising the following steps: S1, selecting a batch of test samples with consistent surface conditions and material properties, and obtaining initial reflectivity data for each test sample using a reflectivity testing system; S2, irradiating each test sample using a laser irradiation experimental device while varying different test variables; S3, measuring the reflectivity data of the irradiated test sample after irradiation; S4, calculating the difference between the reflectivity data of the test sample after irradiation and the initial reflectivity data; and S5, comparing the reflectivity change difference with a set reflectivity threshold to quantitatively evaluate the impact of the reflectivity change on the durability of the test sample. The present invention quantitatively evaluates the durability of the sample through the change in reflectivity.

A method includes receiving a data set associated with a surface condition of a vehicle, determining, by an artificial intelligence system, a degree of occurrence of one or more defects on a surface of the vehicle, and updating a path followed by one or more robots based on the determination of the degree of occurrence of the one or more defects. The determination of the degree of occurrence of the one or more defects causes the one or more robots to initiate a remedial action to a targeted portion of the surface of the vehicle to resolve the occurrence of the one or more defects.

The invention relates to a process for treating a polycrystalline silicon carbide wafer, comprising: characterizing (R2) the surface condition of a front face of the polycrystalline silicon carbide wafer; when the characterized surface condition does not meet a predetermined specification for bonding (C) the polycrystalline silicon carbide wafer to a monocrystalline silicon carbide substrate with the front face at the bonding interface, correcting (R3), by removing material from the front face of the polycrystalline silicon carbide wafer, the surface condition of the front face. Figure for the abstract: Figure 1

A control unit (10) is a device for detecting the condition of a floor surface (FL) on which a target (30) has been placed, and comprises a distance calculation unit (11) and a target detection unit (18). The distance calculation unit (11) calculates information about the distance to the target (30) according to the amount of reflection of the light emitted from a lighting device (21) toward the target (30). The target detection unit (18) detects the condition of a floor surface (FL) on which the target (30) has been placed, on the basis of the information about the distance acquired by the distance calculation unit (11).

The invention belongs to the technical field of welding seam detection, and relates to a welding seam size detection tool and method. The base serves as a basic structure of the whole detection tool, so that the measurement precision is prevented from being influenced by shaking or displacement. The linear sliding unit can drive the dial indicator connected with the linear sliding unit to slide in the linear direction, so that the dial indicator can move to different measurement positions of the weld joint according to needs, and the height dimensions of different parts of the weld joint are measured. And the welding component limiting unit is used for limiting and fixing the detected welding component. The three-dimensional adjustable connecting part allows the dial indicator to accurately adjust the measuring position and angle of the dial indicator according to the specific position and shape of the weld joint, so that the measuring head of the dial indicator can accurately contact the surface of the weld joint. According to the invention, aiming at the characteristics of complex structure, various molded surfaces and complex welding seam surface condition of a welding type assembly, through cooperative work of all parts, the difficulty faced by a traditional measuring tool in measuring the height size of a welding seam is effectively solved.

The present invention discloses a method for detecting the surface condition of a polishing pad online, which includes the steps of: moving an optical sensor above the polishing pad to obtain distance information between the optical sensor and the surface of the polishing pad; classifying the distribution state of liquid on the surface of the polishing pad based on the measured distance information, and calculating and obtaining the value of the groove depth on the surface of the polishing pad using different correction calculation formulas; and comparing the corrected groove depth value on the surface of the polishing pad with a preset threshold value to judge the groove depth state of the polishing pad and determine whether the polishing pad needs to be replaced. The present invention further discloses an online detection system for the surface condition of a polishing pad. The present invention relies on an optical sensor to non-contact measure the surface condition of the polishing pad online, thereby preventing the possibility of damage to the surface of the polishing pad caused by contact detection, and the online measurement can timely monitor the surface condition of the polishing pad, and accurately and efficiently realize the detection of the surface condition of the polishing pad, with stronger timeliness of detection and precise measurement.

The invention provides a surface state management device of an enameled wire and a manufacturing device of the enameled wire, which can easily estimate the reason of the abnormality of the enameled wire. A surface state management device (1) for an enameled wire is provided with a cause estimation processing unit (23) that estimates a cause using at least one of a conductor surface image (31) obtained by capturing an image of the surface of a conductor (11) before formation of an insulator (12) and an appearance image (32) obtained by capturing an image of the surface of the insulator (12) after formation of the insulator (12). The cause is estimated on the basis of the conductor surface image (31) and / or the appearance image (32) to be estimated, using a learning-completed model (34) created by performing machine learning in advance on the conductor surface image (31) and / or the appearance image (32) when an abnormality has occurred on the surface of the conductor (11) or the insulator (12), and the cause of the occurrence of the abnormality.

The invention discloses a workpiece surface quality detection method and device based on point cloud analysis, electronic equipment and a storage medium, and belongs to the field of workpiece quality detection.The method comprises the steps that three-dimensional point cloud data of a to-be-detected workpiece is acquired, and gridding processing is conducted on the three-dimensional point cloud data to generate a regular point cloud height image; and based on the regular point cloud height image, generating a basic morphology parameter group representing the morphology of the workpiece, a composite parameter group representing the microscopic geometric characteristics of the workpiece, a material volume parameter group reflecting the bearing characteristics of the surface of the workpiece, and a space parameter group describing the texture direction information of the surface of the workpiece. And inputting the four groups of parameters into a multi-dimensional weighted fusion model for comprehensive calculation, generating a surface quality comprehensive score capable of comprehensively reflecting the surface condition, and finally determining the quality grade of the workpiece according to the score. By implementing the method, the problem that the real condition of the workpiece surface cannot be accurately reflected in the prior art can be solved.

Provided is a tire which is provided with a display object on the outer surface of a side wall section, said display object having characters, figures, or marks drawn thereon, and which is manufactured by a step for polishing the surface of the display object, wherein the surface state of the display object can be good. The tire includes a display object on an outer surface of a side wall portion, at least a portion of a top surface of a convex portion constituting the display object has a color different from that of the outer surface of the side wall portion by exposing a heterochromatic rubber embedded in a portion of the side wall portion, and a portion of the convex portion constituting the display object extending in a tire radial direction is defined as a radial element. In a cross section orthogonal to the radial element, an angle [theta] r formed by the side surface of the convex part and the normal direction of the outer surface of the side wall part is 15-30 degrees, or in a cross section orthogonal to the radial element, a connecting part of the side surface of the convex part and the outer surface of the side wall part is in an arc shape with a curvature radius Rr of 2.5-4.0 mm.

The invention discloses a method for evaluating laser irradiation durability of an anti-reflection surface, which comprises the following steps of: S1, selecting a batch of test samples with consistent surface states and material characteristics, and obtaining initial reflectivity data of each test sample through a reflectivity test system; s2, performing irradiation treatment on each test sample through a laser irradiation experimental device under the condition of changing different test variables; s3, measuring the reflectivity data of the test sample after irradiation treatment to obtain the reflectivity data of the test sample after irradiation treatment; s4, calculating the difference between the reflectivity data of the test sample after irradiation and the initial reflectivity data; and S5, comparing the difference value of the reflectivity change with a set reflectivity threshold value to quantitatively evaluate the influence of the reflectivity change on the durability of the test sample. Quantitative evaluation is carried out on the durability of the sample through the change of the reflectivity.

To enable accurate two-dimensional assessment of ground conditions between adjacent tunnels.SOLUTION: A method for investigating ground conditions between adjacent tunnels 10 and 20 comprises: arranging measurement devices 40 and 60 respectively on opposing sidewalls of the adjacent tunnels 10 and 20, each including acoustic sensors 46 and 62 that transmit and receive ultrasonic waves; and detecting acoustic waves propagated between the acoustic sensors 46 and 62.SELECTED DRAWING: Figure 3

An online detection method and system for the surface condition of a polishing pad. The online detection method comprises the following steps: an optical sensor (1) moving above a polishing pad (2), so as to acquire distance information between the optical sensor (1) and the surface of the polishing pad (2); according to the measured distance information, distinguishing distribution conditions of liquid on the surface of the polishing pad (2), and correspondingly using different correction calculation formulas to calculate a depth value of a trench (21) in the surface of the polishing pad (2); comparing a corrected depth value of the trench (21) in the surface of the polishing pad (2) with a preset threshold value; and determining the depth condition of the trench (21) in the surface of the polishing pad (2), so as to determine whether the polishing pad (2) needs to be replaced.

To provide an X-ray measurement system capable of making measurement at a low cost while reflecting a state of a surface of an object to be measured.SOLUTION: An X-ray measurement system (1) includes: an irradiation unit (11) that irradiates a plurality of measurement points on a surface of an object (2) to be measured with an X-ray; a detection unit (14) that detects the X-ray diffracted by the object to be measured; a first calculation unit (211) that generates a temporary diffraction profile from a detection result by the detection unit and a temporary center position predetermined at the measurement point for each measurement point to calculate a camera length from the temporary diffraction profile; a second calculation unit (212) that calculates an inclination of the surface from a change ratio of the camera length on the surface and an incidence angle of the X-ray at the measurement point from the inclination and the camera length; and a third calculation unit (213) that calculates a measurement value at the measurement point from the detection result and the incidence angle.SELECTED DRAWING: Figure 7

The present invention belongs to the technical field of Brinell hardness measurement of materials, and specifically is a high-precision Brinell hardness measurement method based on digital holographic microscopy, which includes recording a hologram of the Brinell hardness indentation of a hardness test block; using a method of adaptively positioning the holographic positive first-order spectrum at the maximum value of the spectrum phase to obtain the positive first-order spectrum region of the hardness test block; using Fresnel diffraction method to numerically reproduce and holographically reconstruct the three-dimensional microscopic morphology of the Brinell hardness indentation of the hardness test block; using super-resolution fuzzy clustering and sub-pixel methods to achieve high-precision extraction and measurement of Brinell hardness indentation morphological features, and obtain the circular diameters of all Brinell hardness indentations in the current field of view; and calculating the Brinell hardness values of all Brinell hardness indentation areas in the current field of view based on the Brinell hardness measurement principle and calculation formula. The method described in the present invention can achieve high-resolution, high-precision holographic microscopic detection of Brinell hardness indentation morphologies in different shapes and surface conditions.

This invention provides a method for optimizing tunnel blasting parameters based on free surfaces, comprising the following steps: S1, developing a blasting test plan based on the geological and lithological conditions of the tunnel blasting area; S2, arranging measuring points on the side of the pilot tunnel closest to the blasting of the subsequent tunnel to obtain relevant blasting parameters; S3, modifying the Sadovsky formula based on free surface conditions to calculate the relevant blasting coefficients k, α, and η; S4, comparing the peak vibration velocity measured in the blasting design plan with the allowable safe vibration velocity of the measuring points in the "Blasting Safety Regulations," back-calculating based on the safe vibration velocity threshold, and then adjusting the design parameters of the sections corresponding to peak vibration velocities that do not meet the standard; S5, repeating S3 and S4 until the vibration velocity under detonation of each section of the blasting design plan meets the safety allowable standard. This invention considers the influence of free surfaces, thus more accurately reflecting the actual situation of engineering blasting.

A method including the receipt of a set of data associated with a surface condition of a vehicle, a determination of an extent of an instance of one or more imperfections upon a surface of the vehicle made by an artificial intelligence system, and an update to a pathway followed by one or more robots based on the determination of the extent of the instance of the one or more imperfections. The determination of the extent of the instance of the one or more imperfections causes the one or more robots to initiate a remediation action to a targeted portion of the surface of the vehicle to resolve the instance of the one or more imperfections.

The present disclosure provides a system and method for a cleaning process of a target surface. A method includes receiving a set of data associated with a surface condition of a vehicle; determining, by an artificial intelligence system, a degree of instance of one or more defects on a surface of the vehicle; and updating a path followed by one or more robots based on the determination of the degree of the instance of the one or more defects. The determination of the extent of the instance of the one or more defects causes the one or more robots to initiate a remedial action towards a target portion of the surface of the vehicle to address the instance of the one or more defects.

The invention provides a CMP equipment control method and device, equipment, a medium and a product, control parameters of a finishing arm and a grinding disc in the CMP equipment are determined, and non-uniform swing of the finishing arm is controlled to be coupled with rotation and translational motion of the grinding disc based on the control parameters, so that the grinding disc can be controlled to rotate. Therefore, the finishing head forms a complex composite motion trail on the grinding disc, it is ensured that the finishing head can cover each area on the surface of the grinding disc, and finishing blind areas and excessive finishing areas existing when the finishing head is used for finishing a polishing pad borne on the grinding disc are effectively eliminated. A highly consistent surface condition is provided for a subsequent wafer polishing process, and the global planarization effect of wafer processing is improved.

The invention provides a multispectral radiation temperature inversion method and device, and belongs to the technical field of multispectral radiation temperature measurement. The method solves the problems that the dynamic characteristics of the emissivity along with the wavelength, the surface characteristics and the environment change cannot be fully considered and the dynamic change of the emissivity cannot be accurately described in the high-temperature and high-pressure environment in the existing algorithm. Errors caused by uncertainty of the surface emissivity of the alloy material in the high-temperature and high-pressure environment are effectively handled, and the accuracy and reliability of radiation temperature measurement are remarkably improved. The DE algorithm fully considers the wavelength of the emissivity, the surface characteristics and the dynamic change of environmental factors, provides global optimization capability for the SQP algorithm, and avoids the problem of local optimization of a traditional optimization method. By providing a good initial value for the SQP, the DE enhances the local optimization precision, improves the precision and applicability of temperature inversion, and especially shows significant advantages in complex dynamic environments and surface conditions.

A method including the receipt of a set of data associated with a surface condition of a vehicle, a determination of an extent of an instance of one or more imperfections upon a surface of the vehicle made by an artificial intelligence system, and an update to a pathway followed by one or more robots based on the determination of the extent of the instance of the one or more imperfections. The determination of the extent of the instance of the one or more imperfections causes the one or more robots to initiate a remediation action to a targeted portion of the surface of the vehicle to resolve the instance of the one or more imperfections.