Natural gas pipeline network potentiostat output optimization method based on time sequence prediction

The invention discloses a natural gas pipeline network potentiostat output optimization method based on time sequence prediction, and the method comprises the following steps: S1, building a pipeline potential model, and obtaining the relation between the pipeline position and the output current of a potentiostat; s2, acquiring a stray current potential data set, and predicting an interference potential prediction value according to the stray current potential data set; s3, constructing a constant potential rectifier output optimization objective function, and calculating to obtain the optimal output current of the constant potential rectifier in the current time period; the stray current prediction method is based on a field actual measurement data set, data is reliable, and the stray current potential can be accurately predicted; the constructed optimization algorithm comprises all cathode protection piles on the cathode protection section, the coverage range is wide, and the solving result can meet the cat