2results about How to "Reliable record" patented technology

This invention relates to a data storage method for the black box of an electric vehicle motor controller and the motor controller itself. The method includes: establishing a storage structure comprising two sets of memories; setting the data storage types of the two sets of memories to be mutually exclusive; setting one set of memories as real-time memory and the other as compressed memory; the real-time memory storing operational data in real time using a continuously cyclically overwritten storage method; compressing and transferring data before it is overwritten to the compressed memory; periodically swapping the data storage types of the two sets of memories, after which the original real-time memory is set as compressed memory, and vice versa; during each memory swap, all data previously stored in the compressed memory is first transferred to the real-time memory before the data storage types are swapped. This invention ensures reliable recording of operational data at critical moments and increases the amount of data recorded.

This invention relates to the field of computer vision technology, and in particular to a method for identifying surface defects in wind turbine metal parts based on image processing. The method acquires grayscale images of the wind turbine metal parts at each exposure time, designating any grayscale image as the target image. For any pixel in the target image, an initial fusion weight is obtained based on the difference between the local grayscale distribution of that pixel and the grayscale distribution of pixels in the target image. The initial fusion weight is then adjusted based on the local detail features and the degree of local noise interference of that pixel to obtain the final fusion weight. The final fusion weight and irradiance of each pixel in each grayscale image are obtained, and the fused irradiance corresponding to each pixel in the target image is obtained. Finally, the final image of the wind turbine metal parts is obtained using the fused irradiance of each pixel in the target image, improving the accuracy of defect identification using the final image.