摘要:文章介紹了一種用于拉絲機(jī)恒張力控制的PH)控制器的控制原理，以定點(diǎn)數(shù)字信號處理器MWS32OF42。為核心的數(shù)字控制系統(tǒng)的硬件構(gòu)成及各個硬件單元的工作原理，并對所采用的控制算法和軟件流程進(jìn)行了詳細(xì)說明。最后，文章給出了一種簡易PID控制參數(shù)的整定法。實(shí)驗(yàn)結(jié)果表明，經(jīng)該方法整定出的參數(shù)使該控制器獲得了良好的控制效果。
關(guān)鍵詞 PID控制DSP 拉絲機(jī)擴(kuò)充臨界比例度法
Abstract Thec ontrollingp rincipleo fP IDc ontroleru sedi nc onstantte nsionc ontrolof 。drawingm achineis p resented.Th eh ardwareo fth ed igital controller system based on a fixed-point digital signal processor TMS32OF240 as the，as wel as the operational principle of each hardware units，described. addition,a lt hec ontrolal gorithmsa nds oftwarefl owcharts，expoundedin d etail.Th es impletu ningm ethodo fP IDc ontrolpa rametersis given finaly.The experimental result slows that excelent control efect is obtained with the tuning parameters contributed this method.