從永磁方波無(wú)刷直流電動(dòng)機(jī)的控制特性出發(fā)，提出了基于數(shù)字信號(hào)處理技術(shù)的控制策略，給出了所采用的PWM開(kāi)關(guān)方案。在此基礎(chǔ)上，研究了以TMS320F240 DSP為控制核心的永磁方波無(wú)刷直流電動(dòng)機(jī)數(shù)字控制系統(tǒng)的硬件結(jié)構(gòu)和軟件設(shè)計(jì)，最后給出了實(shí)驗(yàn)結(jié)果。
關(guān)鍵詞 永磁方波無(wú)刷直流電動(dòng)機(jī) 數(shù)字控制系統(tǒng) 數(shù)字信號(hào)處理 PWM TMS320F240
Abstract From control characteristics of permanent magnet square wave brushless DC motor，this paper gives the control strategy based on the technique of digital signal processing and presents the PWM switching scheme used．Furthermore，this paper researches on the structure of hardware and the design of software of control system of permanent magnet square wave brushless DC motor which makes TMS320F240 DSP as control core，with experimental results given eventually．
Keywords Permanent Magnet Square Wave BLDC Motor Digital Control System Digital Signal Processing PWM TMS320F240