摘要:
The invention relates to a method of controlling a product analysis spectrometer, the method comprising steps consisting in: acquiring a measurement (LFL, TPL) representative of the operation of a light source (LS), determining as a function of the measurement a value of supply current (LCx) of the light source, and/or a value of duration of integration (ITy) of photosensitive cells (y) of a sensor (OPS), which are disposed on a path of a light beam (LB) emitted by the light source and having interacted with a product to be analyzed, and if the value of duration of integration and/or of supply current lies between threshold values, providing to the light source a supply current corresponding to the determined value of supply current, adjusting the duration of integration of a photosensitive cell to the determined value of duration of integration, and acquiring measurements of luminous intensity (MSy) which are provided by the sensor, making it possible to form a spectrum.
摘要:
The present invention relates to a method of adjusting injection, combustion and/or post-treatment parameters of an internal combustion engine with auto-ignition, characterized in that it comprises a step for determining the content and the type of biofuel present in the fuel feeding the injection system. The invention also relates to a motorization system and equipment for implementing this method, implementing a sensor (8) for determining the content and the type of biofuel present in the fuel feeding the injection system.
摘要:
The invention relates to a method of ensuring the safety of the components of the drive train of a vehicle equipped with a heat engine, before or during its startup phase following a deterioration of the quality of the fuel contained in the tank (2) and the fuel feed system of the engine, said method comprising a step of diagnosing the type and extent of the deterioration of the quality of the fuel, said step being based on the measurement of the interactions between an electromagnetic radiation and the constituent molecules of the fuel, said measurement being performed by a system of analysis, and a step of activating a system (13) to ensure the safety of the components of the drive train as a function of the results of the analysis step.
摘要:
The invention relates to a spectrometry device that comprises: a lighting device (LSCR) for generating a light beam covering a wavelength band, a probe arranged so that the light beam from the lighting device interacts with a fluid to be analysed, and a spectral analysis device arranged for receiving the light beam after interaction with the fluid to be analysed, and for providing light intensity measures for different wavelength ranges, wherein the lighting device includes a plurality of light-emitting components (1a-1c) emitting light in separate wavelength ranges, and a mixing optical component (3) attached to the emitting surface of the light-emitting components (1a-1c) for combining the light flows emitted by the light-emitting components into a resulting light beam covering the wavelength band and for guiding the resulting light flow towards the probe.
摘要:
The invention relates to a spectrometry device that comprises: a lighting device for generating a light beam covering a wavelength band, a probe (PRB) arranged so that the light beam from the lighting device interacts with a fluid to be analysed (20), and a spectral analysis device arranged for receiving the light beam after interaction with the fluid to be analysed, and for providing light intensity measures for different wavelength ranges, wherein the probe (PRB) includes a reflector (13) of the back-reflecting type towards the light source, that is arranged so as to receive the light beam from the lighting device through the fluid to be analysed and to reflect it in a substantially opposite direction while slightly spreading the same towards a collecting light guide (12) associated with the reflector and the spectral analysis device in order to at least partially collect the light beam having crossed the fluid to be analysed and to transmit the same to the spectral analysis device.
摘要:
The invention relates to a spectrometry device that comprises: a lighting device (LSCR) for generating a light beam covering a wavelength band, a probe arranged so that the light beam from the lighting device interacts with a fluid to be analysed, and a spectral analysis device arranged for receiving the light beam after interaction with the fluid to be analysed, and for providing light intensity measures for different wavelength ranges, wherein the lighting device includes a plurality of light-emitting components (1a-1c) emitting light in separate wavelength ranges, and a mixing optical component (3) attached to the emitting surface of the light-emitting components (1a-1c) for combining the light flows emitted by the light-emitting components into a resulting light beam covering the wavelength band and for guiding the resulting light flow towards the probe.
摘要:
The invention concerns a method for optimizing operating parameters of a heat engine controlled by an electronic or digital system (12) integrating at least one parameter or one law or one mapping, for injection, combustion or engine post-treatment. The invention is characterized in that it includes a step of analyzing the molecular structure of the fuel based on at least one sensor (7) implanted in the fuel circuit of the engine (1) comprising the filling system (3), the tank (2), the pump (5), the fuel filter (6) and the engine feeding circuitry (4) and the return circuit (11) to the tank, and a step of selecting of modifying said parameter, said law or said mapping for injection, combustion or post-treatment based on the result of said analysis. The analysis is spectroscopic, such as a near-infrared, ultraviolet or nuclear magnetic resonance spectroscopic analysis.