辊道窑热力系统动态信号相关性的研究

STUDY ON CORRELATION OF ROLLER KILNTHERMAL SYSTEM' S KINETIC SIGNALS

本文研究了辊道窑热力系统多元动态信号间的相关性，从它们的互相关函数中，找出了各相关变量间动态变化的时滞值。并将其应用于多元时间序列数学建模中。用此方法改进后的预报方程进行计算机仿真预报，结果表明其预报精度比原预报方程提高了３０％左右。因此进行相关性的研究对改进窑炉工况监测预报系统及预报控制系统具有重要意义。

In this paper, the correlation between roller kiln thermal system's polynary kinetic signals is studied. The time - lag of kinetic change between the correlation variables is found, and is applied to the building of mathematical models. The computer simulation is carried out with the improved model, its result shows that forecasting accuracy is higher about 30% than one with the original modelf Therefore the study on correlation is of great importance to improving condition monitoring and forecasting system and forecasting contral system.