582 results about "Product defect" patented technology

An automation infrastructure which automatically analyzes software faults and/or bugs related to a product defect is provided. More particularly, the system can automatically analyze and detect symptoms in the forms of crash dump, memory leak, corruption and test issues etc. In accordance therewith, aspects can automatically search for and locate existing defect reports, if such existing reports are available. Moreover, aspects can automatically report new defects in a defect tracking database or other tracking mechanism.

The invention discloses an injection-molded product defect detection and recognition method, which comprises the following steps: 1) images of a normal injection-molded product and a known defect-existing injection-molded product are acquired, and the images are classified and samples are generated; 2) a multi-layer convolutional neural network model is built; 3) the samples in the first step are used for training the convolutional neural network model built in the second step; and 4) the acquired actually-measured injection-molded product images are preprocessed and inputted to the convolutional neural network model after training completion in the third step, the convolutional neural network model carries out classification and recognition on the actually-measured injection-molded product images so as to judge whether injection molding defects exist in the injection-molded product, and if the defects exist, the defect types are classified. The built convolutional neural network model of the invention adopts the same feature selection and extraction mode for various injection-molded defects, is strong in adaptability, and can be used for detection and recognition of various types of defects of the injection-molded product.

The invention relates to a battery rod and an electronic cigarette. The battery rod comprises a battery casing, a battery, a control module, and an end cover. Wires and an airflow sensor are provided on the control module. An elastic mounting base is provided within the battery casing. The elastic mounting base is provided with a through hole running along the axial direction. The control module is installed in the through hole of the elastic mounting base. An inner peripheral surface of the elastic mounting base elastically abuts against an outer peripheral surface of the control module. The wires penetrate the through hole and parts of the wires are compressed between the control module and the elastic mounting base. Compared to the prior art wherein wires pass through separate holes, the invention has a simple assembly means, reduces the product defect rate, and improves the sensitivity of the electronic cigarette.

The invention relates to a low-temperature continuous-annealing interstitial-free atom cold-rolled steel plate and a production method thereof and belongs to the technical field of iron-based alloys. The production method of the cold-rolled steel plate comprises the following steps of: controlling the components of the cold-rolled steel plate in percentage by mass: 0.0005-0.0025% of C, less than or equal to 0.03% of Si, 0.05-0.15% of Mn, less than or equal to 0.015% of P, less than or equal to 0.01% of S, less than or equal to 0.0025% of O, less than or equal to 0.0025% of N, 0.015-0.050% of Al, 0.03-0.07% of Ti, and the balance of Fe and inevitable mixed elements; and meanwhile, controlling the continuous-annealing temperature of the cold-rolled steel plate to be 710-740 DEG C, and controlling the cold-rolling reduction ratio to be not less than 80%. According to the cold-rolled steel plate and the production method thereof, the reasonable chemical components and the suitable control of cold-rolling reduction are adopted, the recrystallization temperature is lowered, full-old-rolled microstructures are formed, and a lower continuous-annealing temperature can be adapted, so that the equipment cost and energy consumption are reduced, the control difficulty of a production process is reduced, the product defects and production accidents are avoided.

The invention discloses a machine vision based full-automatic rotation printed product defect detection device which comprises an industrial control computer, supporting facilities of the industrial control computer, an image defect detection software system, a signal transmission unit, an image collection unit, a loading manipulator system, an unloading manipulator system and a product clamping rotation system; the industrial control computer is electrically connected with the image collection unit through the signal transmission unit; the image collection unit is formed by combining an image collection processing card, a CCD industrial camera, an optical lens and a detection light source together; the signal transmission unit is formed by three parts including an I/O (input/output) card, a synchronous card and a rotary encoder; and the product clamping rotation system is mainly used for fixing a product and driving the product to rotate. The machine vision based full-automatic rotation printed product defect detection device has the characteristics of no contact, high detection precision, rapidness, accuracy, high repeatability and high automation degree, relieves the manual detection pressure, solves various problems in manual detection, improves the detection quality, and increases the detection speed.

The invention discloses a method, device, storage medium and terminal device for product defect detections and locations, wherein the method includes: according to the image data characteristics of products to be tested and the product defect complexity, selecting the neural network structure of detection models to be trained; obtaining training data, wherein the training data include training product pictures and standard categories and standard positions of product defects in the training product pictures; according to the training data, training the selected detection models of each neuralnetwork structure; selecting a best fitting detection model from the detection models after training to provide a detection server with the product defect detection, wherein the detection models are used for calculating according to the received product pictures to obtain predicted categories and predicted locations of the product defects in the received product pictures. Adopting the method, device, storage medium and terminal device for product defect detections and locations is capable of improving the accuracy of detecting the product defects.

The invention discloses an intelligent detecting device for detecting the defects of multi-type irregularly shaped products. The intelligent detecting device comprises a glass sliding table, a bottleneck material passing mechanism and an image collecting system, wherein the glass sliding table is arranged on a rack in an inclining manner relative to a horizontal plane; the bottleneck material passing mechanism comprises two spoon-shaped baffle plates with the same structural size; the spoon mouths of the two spoon-shaped baffle plates are contrary to each other and symmetrically arranged; the image collecting system comprises an overlooking image collecting mechanism, a side-looking collecting system, an image collecting triggering mechanism and an image analyzing system. According to the invention, multi-type products can be detected without a preset database; in addition, a camera and lamplight are designed, so that the photographing effect is enabled to be better, and the detecting quality can be improved; the automation and the intelligence of detecting the defects of the multi-type irregularly shaped products are realized, the labor force and the material resources are greatly saved, and the detecting accuracy is improved.

The invention discloses an electronic die cutting material defect detecting implementation method based on machine vision. The method comprises the following steps of (a) loading a detection template; (b) transferring a detection object; (c) monitoring through a sensor; (d) capturing an image; (e) identifying an object; (f) processing the image; (g) carrying out binarization processing; (h) carrying out data statistics and detection analysis. The method adopts a non-contact optical sensor system, and adopts a machine to replace human eyes to measure and judge, a system utilizes a CCD (Charge Coupled Device) camera for capturing the image of an objective measuring object, and information such as pixel distribution, brightness and color of the image of the objective measuring object is converted into digital image signals; a project control system operates the signals to extract the characteristics of the measuring object; finally, field equipment is controlled to act according to tolerance and other condition output results so as to meet the core demands on on-line detection of product defects and dimension measurement, so that the measurement precision, the measurement speed, and the reliability under an industrial site environment can be ensured.

The invention relates to a visual detection system and method for a filter. The visual detection system comprises an image acquisition module, an image processing module, a detection module, a data management module and a signal control module, wherein the image acquisition module is used for photo sampling of a filter to be detected; the image processing module is used for performing white balance treatment on the filter photos; the detection module is used for selecting a qualified filter photo as a standard sample and comparing the standard sample with other filter photos to identify product defect types; the data management module is used for receiving, storing and displaying defect information, and meanwhile, generating a warning signal and a waste processing signal; the signal control module is used for input and output control of signals, signal filtering and denoising and/or abnormal signal interference screening. As a machine is adopted for detection, not only is the labor intensity of workers reduced, but also the detection speed and the detection precision are high, the detected products are reliable in quality, and quality management of cigarette material plants is greatly assisted.

The invention relates to a product defect detection data processing method, device, system and equipment. The method comprises the steps of receiving a product defect detection model generation request, wherein the product defect detection model generation request carries model training parameters, the model training parameters are determined according to parameter configuration operation of a user, and the model training parameters comprise at least one of defect learning categories or training picture information; obtaining a corresponding training picture according to the model training parameters and obtaining a defect category corresponding to the training picture to obtain a training sample; and carrying out model training according to the training sample to generate a target defectdetection model, the target defect detection model being used for carrying out defect detection on the to-be-detected product according to a to-be-detected picture corresponding to the to-be-detectedproduct to obtain a defect detection result of the to-be-detected product. The model obtained by the method is high in product defect detection efficiency and high in flexibility.

The invention discloses a laser method and laser equipment adopting a robot. The laser equipment comprises a base and a laser machine arranged on the base, and the robot and a material area used for storing workpieces are further arranged on the base; a free end of the robot is provided with a clamp structure used for clamping the workpieces to move between the material area and a laser area; the clamp structure is provided with a clamping portion used for clamping the workpieces; the laser equipment further comprises a positioning mechanism used for positioning the workpieces. The robot is adopted for moving materials from a feeding area to the laser area of the laser machine and further moving the materials to a discharging area after laser operation is finished, full-automatic operations of the workpieces in the laser process are realized, and accordingly production efficiency is improved, and product defects resulted from manual operations are reduced; by the aid of the positioning mechanism, precision in workpiece positioning during clamping is realized to further realize precision laser of the workpieces.

The invention relates to a method and a device for testing an application program. The method for testing the application program comprises the following steps: acquiring a source code of the application program under test, and precompiling the source code of the application program under test on the basis of a test script complied advance; compiling the source code of the precompiled application program under test to generate an application program; running the generated application program, and outputting test information. According to the method and the device provided by the invention, during precompiling, according to the test script of aspect oriented programming, a debugging code for test is dynamically inserted into the source code of the application program under test; when the application program is run, the test information is output on the basis of the debugging code, and therefore, location and quality measurement can be performed on the bug of the application program according to the test information; as the source code of the application program under test does not need to be modified, the product defect and performance risk of the application program cannot be caused; while the validity test of the application program is realized, the maintainability of the code under test is improved.

The invention provides a method and a device for updating a product defect detection model, a storage medium and terminal equipment. The method comprises the following steps: receiving a first detection model generated by training; replacing the second detection model in a detection system with the first detection model, and making the ratio of the number of servers running the first detection model to the number of servers running the second detection model in the detection system after replacement conform to a replacement proportion; calculating the detection accuracy of the detection systembefore replacement and the detection accuracy of the detection system after replacement; and if the detection accuracy of the detection system after replacement is higher than the detection accuracyof the detection system before replacement and the difference is greater than an adjustment threshold, adjusting the replacement proportion based on a preset proportional step size increment, replacing the second detection model in the detection system with the first detection model, and making the ratio of the number of servers running the first detection model to the number of servers running the second detection model in the detection system after replacement conform to the replacement proportion after incremental adjustment. According to the invention, the applicability and detection accuracy of the detection model can be improved.

The invention provides a novel disc type permanent magnet motor against the defects in the existing production and manufacturing process of an armature of the disc type permanent magnet motor, which is characterized in that a stator component is in a slotless structure or a coreless structure; an armature winding for generating electrical excitation is fixed on a stator, and a stator winding is in a printed circuit board structure; a magnetic pole of a rotor is made of permanent magnet material; and the motor does not comprise an electric brush and a commutator. By adopting the technical scheme, not only the production and manufacturing process of an iron core can be simplified, but also the processes, such as winding, paying off, wire connecting and the like can be simultaneously saved, thereby simplifying the manufacturing process of the armature of the disc type permanent magnet motor, which is complex originally, and bringing convenience to automatic mass production by using a machine. The disc type permanent magnet motor has the advantages of being convenient to mount, saving working time, being high in production efficiency, being firm in structure, being low in failure rate, reducing product defects caused by human factors, being applicable to mass production and being low in cost.

The invention discloses a silicon product defect analysis method which is used for carrying out defect analysis for a plurality of identical silicon products; the method comprises the steps as follows: firstly, positions of one group of identical silicon products for detect analysis are adjusted; subsequently, the images of the same positions of the group of silicon products are scanned; the scanned images of the same positions of the group of the silicon products are compared and analyzed to identify the abnormality of the images; finally, according to the abnormality degree of the image of a certain silicon product, the defect situation of the silicon product is determined; the invention also discloses a silicon product defect analysis device which comprises a silicon sheet displacement device, a group of scanning lenses, a stepping motor and an image comparison and recognition system; the invention also discloses another silicon product defect analysis method which is used for carrying out defect analysis for the silicon products with repeated pattern elements. The method and the device can be used for carrying out defect analysis for large batches of silicon products.