Onboard device and method for analyzing fluid in a heat engine
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United States of America Patent
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Feb 7, 2017
Grant Date -
Dec 3, 2015
app pub date -
Dec 4, 2013
filing date -
Dec 7, 2012
priority date (Note) -
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Abstract
A method for controlling a spectrometer for analyzing a product includes steps of: acquiring a measurement representative of the operation of a light source, determining, depending on the measurement, a value of supply current of the light source, and/or a value of integration time of light-sensitive cells of a sensor, disposed on a route of a light beam emitted by the light source and having interacted with a product to be analyzed, and if the integration time and/or supply current value is between threshold values, supplying the light source with a supply current corresponding to the determined supply current value, adjusting the integration time of a light-sensitive cell to the determined integration time value, and acquiring light intensity measurements supplied by the sensor, enabling a spectrum to be formed.
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