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增壓器轉(zhuǎn)速適應(yīng)性測(cè)量方法
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    摘要:

    提出一種以采集卡為測(cè)量平臺(tái)的增壓器轉(zhuǎn)速測(cè)量方法,。系統(tǒng)以軟件方式實(shí)現(xiàn)了隨轉(zhuǎn)速變化進(jìn)行自適應(yīng)調(diào)整的數(shù)字濾波,,給出一種基于轉(zhuǎn)速信號(hào)極值點(diǎn)的周期識(shí)別方法,。分析和實(shí)驗(yàn)結(jié)果表明,,該方法能夠在增壓器轉(zhuǎn)速信號(hào)受外界干擾而偏離的情況下,,在較寬的范圍內(nèi)實(shí)時(shí)測(cè)量增壓器轉(zhuǎn)速,。

    Abstract:

    A method based on the data acquisition card for measuring the revolution speed of the turbocharger was given. By way of applying an adaptive filter, the measurement method dealt with the noise of the revolution speed signal. The characteristics of the signal’s extreme points were used to recognize the period of the signal. The analysis and experiment indicated that the method could measure the turbocharger revolution speed instantaneously even when the signal of the turbocharger speed was badly biased.

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王希波,張哲,鄧康耀,夏慧鵬.增壓器轉(zhuǎn)速適應(yīng)性測(cè)量方法[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2007,38(4):39-41.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(4):39-41.

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