Above all , this paper work on the principle of simulink . principle of block and model are explained during initialization and execution stage . then runge - kutta ( 4 , 5 ) formula which is a main numerical integration method of simulink and zero crossing detection function are analyzed 從構(gòu)成模型的基本單元? ?模塊入手,闡述其運(yùn)行機(jī)理并對(duì)模型的執(zhí)行階段進(jìn)行全過(guò)程分析,然后介紹simulink的主要數(shù)值積分方法? ?四?五階變步長(zhǎng)runge - kutta法的基本積分原理,以及simulink的拐點(diǎn)處理功能? ?過(guò)零點(diǎn)檢測(cè)技術(shù)( zerocrossingdetection )的基本原理。