DC charging pile charging monitoring data-oriented new energy automobile battery SOC anti-interference evaluation method

The invention relates to a DC charging pile charging monitoring data-oriented new energy vehicle battery SOC anti-interference evaluation method, which takes a new energy vehicle and a 60KW DC charging pile as an example, and carries out new energy vehicle charging experiment tests in a laboratory environment and an engineering actual environment respectively with a noisy ampere-hour integral method, an EKF method and an ASTUK method. And the SOC evaluation error is analyzed. For charging monitoring data of a current charging pile, the method is applied to adaptively update a bad data threshold value, then bad data is eliminated, the accuracy of original data is improved, finally, evaluation is performed by combining a Thevenin model of a secondary power battery and applying a robust Kalman filtering method, and accurate evaluation of the SOC is realized. The analysis and calculation advantages of the direct-current charging pile are fully utilized, the charging monitoring data of the direct-current charging