6results about How to "Improve match rate" patented technology

The invention discloses a multi-source information high-precision positioning method and system for an unmanned forklift, and the method comprises the following steps: configuring a millimeter-wave radar, a laser radar and an inertial measurement unit for a dual-radar positioning system, designing a random matching algorithm to calibrate the timestamps of the millimeter-wave radar and the laser radar, and obtaining a main image and an auxiliary image; designing a key frame extraction algorithm to extract key frames of the main image to obtain a primary main image; designing an information matching algorithm, and calculating the positioning of the unmanned forklift by using a dynamic sliding window; a position diagnosis algorithm is designed, positioning deviation is calculated, and positioning of the unmanned forklift is corrected; and outputting the positioning of the unmanned forklift of the double-radar positioning system. According to the scheme, by obtaining the multi-source information of the millimeter wave radar, the laser radar and the inertial measurement unit, a multi-source fusion and dynamic correction mechanism adaptive to a metal processing plant is established, and the positioning precision of the unmanned forklift is remarkably improved.

The invention provides a data processing method and device, equipment, a storage medium and a program product, and can be applied to the field of storage systems and data management. The data processing method comprises the steps that input data are matched with multiple data types in a data type library, multiple target modes corresponding to the input data are obtained, and the multiple data types are stored in the data type library; based on the target mode, performing fragmentation polling processing on the input data to obtain target address information corresponding to the target mode, the fragmentation polling processing including segmenting the input data into a plurality of pieces of target mode data and processing the plurality of pieces of target mode data by using a plurality of threads; and storing a target mapping relationship between the multiple target modes of the input data and the corresponding target address information into a data type library.

The invention discloses an accurate matching method for radial clearance of a double-half-inner-ring angular contact ball bearing, and relates to the technical field of bearing manufacturing. In order to solve the problems that an existing method has very strict requirements on the consistency of the eccentricity and the groove curvature radius of a bearing inner ring, fluctuation exceeding 0.005 mm cannot exist, otherwise, a great difference exists between a theoretical matching radial clearance and an actual matching radial clearance, so that the actual matching radial clearance value is out of tolerance, unqualified products are generated, and the production efficiency is low. After two indexes di and L which cannot be accurately detected in an original formula are eliminated, an optimized formula Gr = De-D is calculated through the radial matching clearance, the diameter size of an outer compound circle is obtained only by measuring D after the D passes through a bearing inner ring and a steel ball assembly, and accurate control over the matching radial clearance of the double-half-inner-ring angular contact ball bearing is achieved, so that the accuracy of the matching radial clearance of the double-half-inner-ring angular contact ball bearing is improved, and the accuracy of the matching radial clearance of the double-half-inner-ring angular contact ball bearing is improved. After the matching radial clearance value is detected by a special instrument, the coincidence rate of the matching radial clearance value and the matching radial clearance value can be controlled within 0.001 mm, so that the matching rate of the bearing is greatly improved, and the production efficiency is improved. The method is suitable for bearing manufacturing.

This application provides a lightweight intelligent question-answering system based on multiple strategies and phased optimization. It includes a dynamic parameter configuration module configured to adjust the system's core parameters; a text preprocessing module configured to preprocess the language data to be recognized, obtaining preprocessed language data; an ONNX model inference module configured to generate semantic vectors from the preprocessed language data, obtaining semantic vectors; a vector post-processing module configured to refine and optimize the semantic vectors, obtaining target semantic vectors; and a similarity matching module configured to perform vector retrieval and semantic structure matching based on the target semantic vectors, obtaining the target speech answer corresponding to the language data to be recognized. This application solves the problems of high deployment cost, low word segmentation and vocabulary matching rate, insufficient vector discriminability, and high system complexity in existing intelligent question-answering systems.

This utility model relates to the field of PCB inspection technology, and in particular to an intelligent barcode reading and binding docking station. Its technical solution includes conveying and inspecting PCBs via a conveying mechanism and an inspection mechanism. The distance between the fixed and movable conveying components is adjusted using a threaded rod to facilitate the inspection of PCBs of different sizes. Two cameras capture images of the top and bottom surfaces of the PCB, and the illumination angle of the lighting is adjusted using an adjusting rod to solve the problem of unclear camera images. This facilitates the subsequent reading and binding of QR codes in the captured PCB images, thereby determining the PCB model and preventing errors in transmitting the PCB model to other SMT placement lines. This improves the PCB matching rate, reduces workload, saves time and labor costs for model inspection, and enhances the accuracy and efficiency of inspection.