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基于數(shù)據(jù)采集卡的轉(zhuǎn)速測量方法及實(shí)現(xiàn)
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    摘要:

    為了研究柴油機(jī)相繼增壓系統(tǒng)的性能，實(shí)現(xiàn)相繼增壓柴油機(jī)渦輪增壓器超速保護(hù),，需要實(shí)時(shí)測量多個(gè)渦輪增壓器的轉(zhuǎn)速以及柴油機(jī)的轉(zhuǎn)速,。本文給出了一種基于微機(jī)和數(shù)據(jù)采集卡測量渦輪增壓器轉(zhuǎn)速,、內(nèi)燃機(jī)轉(zhuǎn)速的方法及其算法實(shí)現(xiàn),。該速度測量方法的測速精度,、測速個(gè)數(shù)能夠滿足相繼增壓柴油機(jī)速度測量要求,。

    Abstract:

    In studying the performance of a sequential turbo-charging engine and protecting the turbo-charger from over-speed, the real time measurement of the speeds of turbocharger and the engine is necessary. A new method for the measurement of revolution speeds was given. The analog signals of the speed sensor were read into the computer through a data acquisition card and the periods of the signals were recognized by time saving arithmetic calculations. It was found that the method provides feasible precision and satisfies the demands of performance research on sequential turbo-charging engine.

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王希波,彭海勇,鄧康耀.基于數(shù)據(jù)采集卡的轉(zhuǎn)速測量方法及實(shí)現(xiàn)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2007,38(2):72-75.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(2):72-75.

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