Abstract

In the plateau environment with low pressure, turbine supercharger speed is an important parameter to supervise working condition of diesel engines. In view of the problems of installation difficulty and low measurement accuracy in measurement of turbine supercharger speed in vehicles, this paper sets up a projection pursuit regression (PPR) model to predict turbine supercharger speed. The calculation result indicates that the fitting effect of this model is obviously superior to that of any other regression models, which has great significance to prediction on turbine supercharger speed of diesel engines in a low pressure environment.

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