Feature extraction method and system for energy consumption prediction
A technology for feature extraction and energy consumption prediction model, which is applied in the field of feature extraction methods and systems for energy consumption prediction, and can solve the problems of long optimization time, poor generality, and weak generalization performance of energy consumption prediction.
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Embodiment 1
[0049] see figure 1 , the present embodiment provides a feature extraction method for energy consumption prediction, comprising the following steps:
[0050] S1: Collect the historical operation data of the central air-conditioning system to be analyzed, and preprocess the historical operation data to obtain the initial feature set;
[0051] S2: Obtain the gradient boosting tree energy consumption prediction model according to the initial feature set training, and calculate the contribution of each input feature;
[0052] S3: Feature screening is performed according to the contribution degree to obtain an optimized feature set;
[0053] S4: Optimize the gradient boosting tree energy consumption prediction model according to the optimized feature set, and obtain the predicted value according to the optimized gradient boosting tree energy consumption prediction model;
[0054] S5: Calculate the mean square error between the contribution degree and the predicted value; judge wh...
Embodiment 2
[0090] Corresponding to the above method embodiments, this embodiment provides a feature extraction system for energy consumption prediction, including a memory, a processor, and a computer program stored in the memory and operable on the processor. When the processor executes the computer program Steps to implement the method described above.
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