Short-term wind power prediction method for optimizing SVM based on segmented ant colony algorithm
A technology of wind power forecasting and ant colony algorithm, which is applied in forecasting, computing, computer components, etc., can solve problems such as falling into local optimum, neural network is easily affected by subjective factors, etc., to achieve enhanced exploration, enhanced global search capabilities, The effect of increasing the speed of parameter selection
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[0044] The present invention is based on the segmented ant colony algorithm to optimize the short-term wind power prediction method of SVM, comprising the following contents:
[0045] 1. Considering the factors that have a greater impact on wind power, six indicators, wind speed, wind direction sine value, wind direction cosine value, temperature, humidity and air pressure, are selected as the environmental impact factors of wind power output power, and they are used as inputs for simulation research. The raw data collected in this example are as figure 2 As shown, the collected data is taken as an interval of 1 hour, including the data from January 1, 2012 to January 11, 2012. The data from January 1 to January 10 is used as the model training set, and the data on January 11 is used as the test set to predict the wind power output power on January 11, and then compare it with the actual measured data at the same time as the prediction time.
[0046] 2. Use the min-max normali...
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