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1. (WO2018219721) METHOD FOR DETERMINING A PARTICLE CONCENTRATION

Pub. No.:    WO/2018/219721    International Application No.:    PCT/EP2018/063428
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Thu May 24 01:59:59 CEST 2018
IPC: G01N 1/22
G01N 15/06
G01N 21/27
Applicants: AUDI AG
Inventors: KRANZ, Jürgen
RÄTSCHER, Christian
Title: METHOD FOR DETERMINING A PARTICLE CONCENTRATION
Abstract:
A method for determining a particle concentration value relating to the concentration of particles (6) in a fluid flow (7), wherein the fluid flow (7) is conducted through a measuring volume (8), wherein a first measurement value which depends on the particle concentration in the measuring volume (8) is measured by a sensor device (9), and wherein the particle concentration value is calculated according to the first measurement value and a correction value. If a correction condition is met, the meeting of which depends on an interruption in the fluid flow (7) through the measuring volume (8), a second measurement value is measured by the sensor device (9), wherein the correction value is determined or amended according to the second measurement value.