19 results about "Surface conditions" patented 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 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.

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.

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.

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

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 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.

To provide a device that allows a user to set a position of irradiation in irradiating a measuring object with irradiation light and easily determines the presence or absence of an abnormality of a surface state in a non-contact manner.SOLUTION: A surface state determination device includes a light source unit that includes a plurality of light sources that irradiate a surface of a measuring object with irradiation light, an imaging unit that images a plurality of beams of reflection light reflected by the measuring object, and a processing unit that acquires image information including a plurality of reflection light images from the imaging unit. The processing unit includes a measurement unit that measures the magnitude of each of the plurality of reflection light images, a comparison unit that generates comparison information by comparing the magnitude of the reflection light images with each other, and a determination unit that determines the presence or absence of an abnormality of a surface state that is generated on the surface of the measuring object on the basis of the comparison information.SELECTED DRAWING: Figure 3