Vehicle handling stability test method and device

The invention discloses a vehicle handling stability test method and device. The method comprises the steps of test database establishment, test data preprocessing, test validity inspection, test result calculation, test result inspection and handling stability evaluation. The step of establishing the test database comprises obtaining control stability test data; the test data preprocessing comprises outlier elimination and low-pass filtering; the test validity inspection comprises the steps of performing validity inspection on the test data according to a preset standard, and excluding data which does not meet the requirements of the manipulation stability test; the test result calculation comprises the steps of solving a result value of a control stability test; the test result inspection comprises the step of judging the repeatability of a test result according to the difference between the maximum value and the minimum value of the same characteristic parameter; the operation stability evaluation comprise