【摘要】：針對(duì)有感無(wú)刷直流電機(jī)中測(cè)速周期長(zhǎng)、精度低、硬件電路復(fù)雜等問(wèn)題,文中給出了一種滾動(dòng)測(cè)速與軟件倍頻相結(jié)合的改進(jìn)測(cè)速方法。在分析霍爾傳感器測(cè)速原理的基礎(chǔ)上,采用軟件編程實(shí)現(xiàn)霍爾信號(hào)輸出六倍頻處理,以提高測(cè)速分辨率、提高可移植性;采用滾動(dòng)測(cè)速法實(shí)現(xiàn)速度檢測(cè),可提高系統(tǒng)測(cè)速精度、縮短測(cè)速時(shí)間間隔;進(jìn)行了系統(tǒng)硬件和軟件設(shè)計(jì)。所設(shè)計(jì)系統(tǒng)在全自動(dòng)酶免分析儀上的實(shí)驗(yàn)表明,該測(cè)速方法精度可達(dá)±0.36%。
[Abstract]:Aiming at the problems of long measuring period, low precision and complex hardware circuit in brushless DC motor, an improved speed measurement method combining rolling speed measurement and software frequency doubling is presented in this paper. On the basis of analyzing the principle of Hall sensor speed measurement, the six-frequency processing of Hall signal output is realized by software programming, in order to improve the speed resolution and portability, the system speed measurement accuracy can be improved by using rolling velocity measurement method. The time interval of speed measurement is shortened and the hardware and software of the system are designed. The experiment of the designed system on the automatic enzyme immunity analyzer shows that the accuracy of this method can reach 鹵0.36.
【作者單位】： 北京信息科技大學(xué)光電測(cè)試技術(shù)北京市重點(diǎn)實(shí)驗(yàn)室生物醫(yī)學(xué)檢測(cè)技術(shù)及儀器北京實(shí)驗(yàn)室;
【基金】：教育部“長(zhǎng)江學(xué)者和創(chuàng)新團(tuán)隊(duì)”發(fā)展計(jì)劃項(xiàng)目(IRT1212) 北京市屬高等學(xué)校創(chuàng)新團(tuán)隊(duì)建設(shè)與教師職業(yè)發(fā)展計(jì)劃項(xiàng)目(IDHT20130518)
【分類(lèi)號(hào)】：TM33

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