Abstract

Gasoline vehicle cold start calibration is one of the important calibration work content. And the important evaluation criterion of cold start is start time, overshoot, undershoot. At present, the calibration engineers in most companies mainly use ETAS/INCA software to record test data, and then use MDA software to analyse start time, overshoot and undershoot. But the cold start test data is so huge, so the post-processing efficiency is very low. Facing this problem, the post-processing tool of cold start data based on MATLAB is established. With this tool, the huge amount of data can be processed efficiently, and key start mode or start-stop mode can be distinguished clearly. So it can greatly improve the post-processing efficiency of cold start data.

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