【摘要】：音圈電機(jī)屬于直線電機(jī)的一種,在工程應(yīng)用中具有諸多優(yōu)點(diǎn),在精密定位系統(tǒng)中得到了廣泛的應(yīng)用。本文針對音圈電機(jī)的閉環(huán)控制展開討論,設(shè)計(jì)一款高性能的音圈電機(jī)閉環(huán)控制系統(tǒng),使其能夠適用于復(fù)雜的高精度位置定位設(shè)備,并能夠根據(jù)設(shè)備的技術(shù)要求和指標(biāo)做出自適應(yīng)的調(diào)整,滿足實(shí)際應(yīng)用要求。 首先,文章對主要的研究對象音圈電機(jī)展開討論,介紹了音圈電機(jī)的力學(xué)模型和電學(xué)模型,針對位置傳感器同樣做了深入的研究,分析了差動變壓器的數(shù)學(xué)模型和傳遞函數(shù),闡述了差動變壓器式位置傳感器的工作原理。 其次,對音圈電機(jī)的控制策略做了深入的探討,分析了音圈電機(jī)的位置環(huán)控制方法、電流環(huán)控制方法和速度環(huán)控制方法,并分別給出了控制框圖和傳遞函數(shù)。 第三,介紹了音圈電機(jī)的驅(qū)動策略,針對PWM控制進(jìn)行了深入的討論,給出了PWM驅(qū)動方法的傳遞函數(shù)和電流計(jì)算方法,介紹了一款典型音圈電機(jī)驅(qū)動器DRV201A,針對差動變壓器的處理電路進(jìn)行了重點(diǎn)設(shè)計(jì)。 最后,將各個部分組合到一起,介紹了音圈電機(jī)閉環(huán)控制系統(tǒng)的軟硬件實(shí)施方案。
[Abstract]:Voice coil motor is a kind of linear motor which has many advantages in engineering application and has been widely used in precision positioning system. In this paper, the closed loop control of voice coil motor is discussed, and a high performance closed loop control system of voice coil motor is designed. And according to the technical requirements and indicators of the equipment to make adaptive adjustment to meet the requirements of practical applications. First of all, this paper discusses the main research object, voice coil motor, introduces the mechanical model and electrical model of the voice coil motor, studies the position sensor also, and analyzes the mathematical model and transfer function of the differential transformer. The working principle of differential transformer position sensor is described. Secondly, the control strategy of voice coil motor is deeply discussed. The position loop control method, current loop control method and speed loop control method are analyzed, and the control block diagram and transfer function are given respectively. Thirdly, the driving strategy of voice coil motor is introduced, the PWM control is discussed in depth, the transfer function and current calculation method of PWM driving method are given, and a typical voice coil motor driver DRV201A, is introduced. The processing circuit of differential transformer is designed emphatically. Finally, the hardware and software implementation of the closed loop control system of voice coil motor is introduced.
【學(xué)位授予單位】：長春理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TM359.4

【引證文獻(xiàn)】

相關(guān)碩士學(xué)位論文 前1條

1 葉雨欣;晶圓級熱電堆探測器批量化測試系統(tǒng)的研制[D];東北電力大學(xué);2015年

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本文編號：2316735