7results about How to "Good achievability" patented technology

The invention discloses an intelligent data compression method for a twin system. The method comprises the following steps: collecting video, audio and text data for preprocessing; constructing a Bootstrap model, and performing feature extraction and preliminary compression on the input data; the method comprises the steps that a Combined model composed of a Bootstrap model and a Support model is constructed, and probability distribution output by the Bootstrap model is combined with probability distribution output by the Support model; finally compressing the output probability distribution by using an arithmetic coding method so as to reduce the volume of data transmission, and transmitting the data to target equipment; the target device decodes and reconstructs the received data and restores the original data before compression; according to the method, the data compression ratio and the compression time efficiency are improved, so that the time delay of data transmission is effectively reduced, the method is suitable for various data types in a twin system, and real-time processing of the data is ensured.

The invention relates to the field of belt detection, and discloses a belt and material deviation detection method and device and a storage medium, and the method comprises the steps: employing an industrial camera to obtain belt images of material transportation and belt images without material transportation in different time periods; labeling the acquired images by using a label, and dividing the images into two types of belts and materials to obtain a constructed data set; constructing a belt and material segmentation model, and training the belt and material segmentation model by using the constructed data set to obtain a trained model; and acquiring a real-time image by using an industrial camera, and inputting the real-time image into the trained model to obtain an offset judgment result. The method has the beneficial effects that compared with a traditional belt deviation and material deviation detection method, the detection accuracy is high, and the realizability is good.

The invention relates to a channel foreign matter image generation and channel foreign matter detection method based on a generative adversarial network, and the method comprises the steps: image collection: employing an unmanned plane for inspection, and collecting a channel image; image noise reduction: carrying out noise reduction processing on the acquired image by adopting a median filtering technology; model improvement: based on the GAN model, introducing an SE attention mechanism, and improving a loss function to obtain an improved GAN model; model training: training the improved GAN model through a training data set; image generation: generating a channel foreign matter image by using the trained foreign matter image generation model, and forming an extended sample set; foreign matter recognition: training a target detection network in combination with the original sample set and the extended sample set, and detecting and recognizing the channel foreign matter based on the trained target detection network; and foreign matter positioning: according to an identification result, based on a GIS system, determining a spatial position of a foreign matter. The method is beneficial to generating images similar to real channel foreign matter features, and the channel foreign matter detection precision is improved.

The application relates to a design method of an asymmetric tail nozzle under strong geometric constraints, and belongs to the technical field of engines. Compared with the prior art, the design method of the asymmetric tail nozzle under strong geometric constraints can meet the given strong geometric constraints by simplifying the lower wall surface of the nozzle into a straight line and controlling the initial expansion circular-arc segment matching outlet position constraints, and the designed nozzle length is short due to the adoption of the circular-arc initial expansion, so that the structure is beneficial to realization and has good realizability.

The present invention relates to the field of automobile driving safety, and discloses a method for constructing a driving behavior safety evaluation model based on real vehicle testing, and the implementation steps are: collecting the driver's eye movement information, automobile operation information, radar information and lane line information during the driving of the automobile on the test road section; calculating the numerical value of each driving behavior safety evaluation index characterization quantity; then using the calculated characterization quantity numerical value as an index, calculating its weight, and finally obtaining a driving behavior safety evaluation model. The present invention uses real vehicle test data to numerically evaluate the driver's driving behavior safety, and the evaluation result has the advantages of visualization and comparability, and can better reflect the driving behavior safety of the driver's regular driving process. At the same time, according to the numerical value of each evaluation index characterization quantity, the common dangerous driving behavior of the driver during the driving process can be known, which is of great significance to the driver to improve driving habits and reduce the occurrence of traffic accidents and traffic violations.

The invention relates to the technical field of rocket power, in particular to a power device, a rocket and a design method of the power device.The power device comprises a combined combustion chamber and a spray pipe, the combined combustion chamber comprises at least one section of combustion chamber, and the combustion chamber located at the tail of the combined combustion chamber is clamped with the spray pipe through a clamping part; and under the condition that the combined combustion chamber comprises a plurality of sections of combustion chambers, every two adjacent sections of combustion chambers are clamped through the clamping parts. Aiming at the use requirements of short period and combination of a solid axial power device, in particular to a booster with more diversified capability levels, the difficulty in designing manpower, time period, tool mold and production cost in production of various design states can be overcome, redesign of explosive types is not needed, and reproduction of molds is not needed.