Application of Frequency-Voltage Converter Chip in the Vehicle Data Acquisition

Chun Fu Li; Yan Qin Li; Hui Zhi Han

doi:10.4028/www.scientific.net/AMM.511-512.274

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 511-512Application of Frequency-Voltage Converter Chip in...

Application of Frequency-Voltage Converter Chip in the Vehicle Data Acquisition

Abstract:

The speed is the most common frequency signal among a lot of the automotive signal which may be collected, Acquisition for frequency signal generally use the counter input capture. The number of sampling rate not only depends on clock frequency counter, but mainly the number of the frequency of the signal itself, it is bound to take a very long time to collect speed signal when the speed is very low. For most of the data acquisition card, which usually adopt asynchronous acquisition between various channels, that is, only one channel can collect data at any time, so for the multi-signal acquisition system which has a high requirement for real-time, it is undue to collect directly low frequency signal. This paper adopt method of frequency-voltage converter to change the frequency signal to analog signal and collect data, thus, which can greatly improve the system's sampling rate.

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Periodical:

Applied Mechanics and Materials (Volumes 511-512)

Pages:

274-277

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.511-512.274

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Cite this paper

Online since:

February 2014

Authors:

Chun Fu Li*, Yan Qin Li, Hui Zhi Han

Keywords:

Automatic Transmission, Data Acquisition System, Frequency-Voltage Converter, Solenoid Duty Measurement, Virtual Instrument (VI)

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