A method for predicting dynamic trajectory trend of power grid based on long short-term memory network
A long-term and short-term memory, trend prediction technology, applied in the direction of AC network circuits, electrical components, circuit devices, etc., can solve the problems of power grid dynamic trajectory trend prediction methods that have not seen long-term and short-term memory networks, such as literature reports, and avoid large-scale power outages. , Refined cutting amount, strong applicability effect
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[0048] A power grid dynamic trajectory trend prediction method based on a long-term short-term memory network of the present invention can be driven by data to get rid of the constraints of the physical model, while ensuring the timeliness and accuracy of the prediction process. It includes the following contents:
[0049] 1) Considering that the trajectory has the two most important attributes that characterize its geometric characteristics, the rotation angle and the length, the trajectory offset distance is defined as:
[0050]
[0051]
[0052] In the formula, d θ representative track Angle offset between; d l representative track The length offset between the two trajectories is θ j -θ i , is the reference vector, the modulus is 1, and the direction is the same as consistent;
[0053] 2) with d l 、d θ Extract the generator characteristics of the complex system, and use the density-based clustering algorithm of DBSCAN (Density-Based Spatial Clustering of...
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