直線旋轉(zhuǎn)永磁作動(dòng)器的雙DSP控制系統(tǒng)設(shè)計(jì)
金平1，江澤南1，許多1，陳芷群1，林偉偉1，孔祥春1，金敏毅2
1 河海大學(xué) 能源與電氣學(xué)院，江蘇 南京 210098；
2 法泰電器(江蘇)股份有限公司，江蘇 蘇州 215031
摘 要：介紹了一種直線旋轉(zhuǎn)永磁作動(dòng)器(LRPMA)的結(jié)構(gòu)特點(diǎn)與運(yùn)行原理，分析了其數(shù)學(xué)模型，針對(duì)LRPMA需要實(shí)現(xiàn)直線、旋轉(zhuǎn)和螺旋運(yùn)動(dòng)的功能特點(diǎn)，設(shè)計(jì)了基于DSP2812和雙口RAM的雙DSP結(jié)構(gòu)伺服控制系統(tǒng)。該控制系統(tǒng)通過(guò)共享存儲(chǔ)器，實(shí)現(xiàn)了雙DSP之間的實(shí)時(shí)通信，給出了系統(tǒng)軟硬件設(shè)計(jì)及不同運(yùn)動(dòng)形式的控制策略。經(jīng)實(shí)驗(yàn)測(cè)試，結(jié)果表明該系統(tǒng)滿足控制的要求。
關(guān)鍵詞：直線旋轉(zhuǎn)永磁作動(dòng)器；雙DSP；雙口RAM
中圖分類號(hào)：TM351；TP273 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1007-3175(2015)10-0006-06
Double Digital Signal Processor Control System Design of Linear and Rotary Permanent Magnet Actuator
JIN Ping1, JIANG Ze-nan1, XU Duo1, CHEN Zhi-qun1, LIN Wei-wei1, KONG Xiang-chun1, JIN Min-yi2
1 College of Energy and Electrical Engineering, Hohai University, Nanjing 210098, China;
2 Foretech Electric Appliance (Jiangsu) Corporation Ltd, Suzhou 215031, China
Abstract: Introduction was made to the structural characteristics and operating principle of a kind of linear and rotary permanent magnet actuator (LRPMA), whose mathematical model was analyzed. In allusion to the function characteristics of linear, rotary and helical motion which the LRPMA needed to realize, this paper designed the servo control system with the double digital signal processor (DSP) based on DSP2812 and dual-port random-access memory (RAM). This control system shared the memory to achieve real-time communication between the two DSPs, and gave the design of system software and hardware, and different forms of motion control strategy. The experimental results show that the servo control system satisfies the demand of controlling.
Key words: linear and rotary permanent magnet actuator; double digital signal processor; dual-port random-access memory
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