A Nonlinear Wind Velocity Simulation Method Considering Time-Segmentation
A non-linear, time-based technology, applied in instruments, data processing applications, computer-aided design, etc., can solve the problem of low accuracy of purely artificial segmentation
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[0072] The specific implementation manner and working principle of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0073] see figure 1 , a non-linear wind speed simulation method considering sub-periods, including two parts: a sub-section model and a nonlinear time series model, specifically divided into the following steps:
[0074] The invention adopts an off-line mutation point detection algorithm based on Bayesian inference, uses the detected mutation point as the segment point position, and uses this algorithm to segment the wind speed to make the segment stable.
[0075] 1. Obtain the prior information of the wind speed time series through engineering practice experience, including the number of segment points L (l=0,...,L), and the initial value t of the estimated position of the segment points l , the swing time τ of the segment point near this position l And the possibility of the segmentation point at...
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