Interval Index Forecasting Method Based on Robust Interval Extreme Learning Machine
A technology of extreme learning machine and interval index, which is applied in special data processing applications, instruments, electrical digital data processing, etc., and can solve problems such as actual measurement value deviation, production data containing abnormal points, affecting operation optimization and dynamic scheduling effects, etc.
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[0075] In order to better understand the technical solution of the present invention, the present invention has designed the Robust Interval Extreme Learning Machine method (RTELM: Robust Twin Extreme Learning Machine) that is used for production index interval prediction, and this method can be described as follows: Adopt robust interval limit The learning machine constructs an interval upper bound model and a lower bound model, and solves the parameters of the two models in an optimization problem; in this optimization problem, the model complexity, model center error, and model interval error are considered at the same time; then, use the Lu The Least Median of Squares method (LMS: Least Median of Squares) in stick statistics determines the sub-training data set to reduce the influence of outliers.
[0076] Taking a certain large iron and steel production enterprise as an example to illustrate the implementation process of the present invention. The production process of th...
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