作　　者： ; ; ;

机构地区： 深圳职业技术学院汽车与交通学院

出　　处： 《机电工程》 2012年第8期890-893,共4页

摘　　要： 针对汽车自动变速器换档冲击的原因,设计了汽车自动变速器性能检测实验台的输出轴角加速度检测通道,包括通道结构、信号处理硬件电路以及对应的检测软件程序;针对相应的信号处理电路,采用牛顿插值法,推导了角加速度计算公式,并建立了角加速度数学模型;编写了基于牛顿插值法的角加速度算法的LabVIEW软件程序;通过台架实验,采集相应的输出轴实验数据,对算法程序进行了分析,并将结果与Matlab的计算结果进行了比较。研究结果表明,该检测通道的软、硬件设计具有较好的实时性和准确性。 Aiming at the causes of automobile automatic transmission shift shock, output shaft angular acceleration detection channel for automobile automatic transmission performance testing bench was designed, including channel structure, signal processing hardware circuits and corresponding detection software program. Aiming at corresponding signal processing circuits, Newton interpolation method was adopted to deduce angular acceleration calculation formula and establish angular acceleration mathematical model. LabVIEW software program of angular acceleration algorithm based on Newton interpolation method was developed. Corresponding output shaft test data was acquired by means of bench test, algorithmic program was analyzed and compared with calculation results of Matlab. The results indicate that both the software and hardware design of the detection channel have good real-time attribute and accuracy.

关 键 词： 自动变速器 检测实验台 角加速度 牛顿插值法

领　　域： [机械工程] [交通运输工程] [交通运输工程] [机械工程]