5 results about "Edge function" patented technology

The application discloses an image denoising method and device, and the method comprises the following steps: constructing a hybrid partial differential image denoising model based on an adaptive edge detection algorithm, wherein the model combines ROF and LLT two denoising models in a manner of weighting by a fractional order edge detection function; determining an optimal order of the image fractional order edge function by a pollination algorithm according to feature information of the image; and solving the denoising model to output a denoised image. The application integrates the advantages of total variation and fourth-order partial differential equations, and compared with other advanced denoising algorithms, the application can maintain image edges and texture details while avoiding the "step effect" of smooth areas.

The invention discloses an optimal power flow calculation method, device, equipment and medium based on a Kolmogov-Arnode graph neural network, and relates to the technical field of power systems, and the method comprises the steps: obtaining the current operation parameters of a power system, and constructing a corresponding graph data structure based on the current operation parameters; inputting the graph data structure into a preset optimal power flow analysis model, and performing aggregation processing on the voltage state characteristics of the neighborhood nodes based on the injected active power, the injected reactive power and a node admittance matrix through the preset optimal power flow analysis model to obtain aggregated node characteristics; and carrying out nonlinear transformation on the aggregated node features by utilizing a learnable edge function of a Kolmogov-Arnod network in a preset optimal power flow analysis model to obtain target node feature representation so as to generate and output a generator set optimization output scheme of the power system. According to the real-time change of the power grid, a faster decision-making speed is provided for suppressing frequency fluctuation, optimizing voltage distribution and preventing cascading failures.

This invention discloses an iterative optimization method for internal gear turning processes and tool parameters. The method includes: establishing a cutting edge function and a cutting edge sweep surface function in the turning space, and constructing a three-dimensional chip model; calculating micro-element chip parameters based on the chip model and establishing a cutting force calculation model; establishing a finite element simulation model for turning; setting initial values ​​for tool parameters, and optimizing process parameters with cutting force, maximum chip cross-sectional area, and material removal rate as objectives; optimizing tool structure parameters using finite element simulation based on the optimized process parameters; iteratively optimizing until convergence conditions are met, and outputting the optimal collaborative parameters. This invention achieves systematic collaborative optimization of process parameters and tool structure parameters, effectively reducing cutting forces, improving machining quality and tool life, and is suitable for efficient machining of high-precision internal gears.

Systems, industrial devices, and methods for controlling communication within an industrial system. One system includes a PLC of the industrial system. The PLC may execute a control application to control performance of an industrial process of the industrial system. The control application may be locally stored at the PLC. The PLC may retrieve tag data related to performance of the industrial process, where the tag data may be specific to a tag related to performance of the industrial process. The PLC may route an electronic message including a portion of the tag data to an edge application subscribed to the tag. The edge application may be locally stored at the PLC. The PLC may execute the edge application based on the portion of the tag data such that the edge application performs an edge function related to the industrial system using the portion of the tag data.

The application discloses a data warehouse layer-by-layer carrying control method based on segmented construction, and relates to the technical field of data processing.The method comprises the following steps: calling a theme domain ETL log, taking a dependency priority as a constraint, and mining a hierarchical dependency topology; extracting an adjacent business domain to combine a segmented allocation function to construct an edge function node; configuring a data channel according to the hierarchical dependency to form a processing topology; and K layers receiving source data, progressively performing mutual verification and upward carrying, and outputting a result.The method solves the technical problems that the dependency relationship between business theme domains is complex and lacks hierarchical constraints in the existing data warehouse ETL processing process, leading to chaotic data processing links, easy propagation of errors, and difficulty in guaranteeing data consistency, and achieves the technical effects of automatically mining business dependency priorities through historical processing logs, constructing hierarchical dependency topologies and allocating edge function nodes, realizing mutual verification of intra-layer data and layer-by-layer carrying of inter-layer data in the processing process, and improving the accuracy, consistency and automation level of data processing.