Research on Subjective and Objective Evaluation of Driving Performance of Commercial Vehicle Powertrain
With the trend of high-end products and younger end users,users have increasingly high require-ments for the driving performance of commercial vehicles.Driving performance reflects the subjective feeling of human vehicle interaction during the longitudinal driving process of a car,and good driving performance is the key to enhancing product competitiveness while meeting the requirements of economy and power.The driving performance of commercial vehicles is largely determined by the performance of their powertrain,and the evalua-tion of powertrain driving performance is an important aspect of the overall vehicle commercial evaluation.This article studies and establishes a driving performance system and evaluation indicators for commercial vehicle pow-ertrain,and uses the hierarchical weight decision analysis method to obtain the weight proportion of evaluation i-tems and indicators.The study concludes that there is a linear relationship between objective evaluation indica-tors and customer subjective feelings,indicating that the established objective evaluation indicators for power-train driving performance can characterize the subjective feelings of drivers and passengers,thereby transforming their subjective feelings into quantifiable technical indicators.This is of great significance for fine control and op-timization of engines and transmission systems,and improving the driving experience of the entire vehicle.