The Design and Realization of the Angular Acceleration Detecting Channel for Auto-transmission Based on the Labview and Newton Interpolation Method

This paper introduces the design of angular acceleration detecting channel for the outputting shaft of auto-transmission. The article introduces the principle of speed detection and designs corresponding signal processing circuit. It also introduces the Newton interpolation method and basing on the method, derives the expression of angle acceleration. This paper explains how to design labview programme to calculate angle acceleration by the Newton interpolation method. also, it collects experimental data to analyze the algorithm compared with the calculated results of matlab, then validate the correctness of the algorithm.