US 11,774,921 B2
Method for determining oscillations occurring in a measuring signal
Andre Bott, Ludwigsburg-Poppenweiler (DE); Jan Gall, Stuttgart (DE); Torsten Welfonder, Leonberg (DE); and Valentin Schwamberger, Tuebingen (DE)
Assigned to ROBERT BOSCH GMBH, Stuttgart (DE)
Appl. No. 16/976,650
Filed by Robert Bosch GmbH, Stuttgart (DE)
PCT Filed Mar. 7, 2019, PCT No. PCT/EP2019/055630
§ 371(c)(1), (2) Date Aug. 28, 2020,
PCT Pub. No. WO2019/170789, PCT Pub. Date Sep. 12, 2019.
Claims priority of application No. 10 2018 203 574.1 (DE), filed on Mar. 9, 2018.
Prior Publication US 2020/0409318 A1, Dec. 31, 2020
Int. Cl. G05B 13/02 (2006.01); F24F 11/38 (2018.01); F24F 11/64 (2018.01); F24F 11/88 (2018.01); G01F 1/325 (2022.01)
CPC G05B 13/025 (2013.01) [F24F 11/38 (2018.01); F24F 11/64 (2018.01); F24F 11/88 (2018.01); G01F 1/3259 (2022.01)] 15 Claims
OG exemplary drawing
 
1. A method for determining oscillations occurring in a measuring signal of a technical system, the method comprising:
receiving the measuring signal;
determining extreme values of the received measuring signal; and
ascertaining closed loops of the measuring signal by:
a) identifying a closed loop using the measuring signal, the closed loop being formed by two half loops having identical oscillation width and opposite direction;
b) storing the identified closed loop;
c) removing the identified closed loop; and
d) repeating steps a) through c) until all closed loops have been ascertained;
wherein the technical system includes an adaptive controller and parameters of the adaptive controller are set as a function of the oscillations which are correlated with the adaptive controller,
wherein ascertained oscillations are used to recalculate and set the parameters of the adaptive controller so that the oscillations of the measuring signal are minimized, and
wherein the closed loop results from two half loops of equal oscillation width but opposite direction, and wherein each of the half loops is defined by an amplitude, a starting time, an end time, a period duration/frequency, and/or a mean value.