Patent · US Active

Velocity estimation

US10969401B2 · kind B2 · utility

0Cited by

3References

11Claims

0Family size

Assignee

NIRA Dynamics AB · SE

Inventors

Rickard Karlsson · Linköping, SE
Fredrik Gustafsson · Linköping, SE

Key dates

Filing date	Aug 10, 2015
Grant date	Apr 6, 2021
Priority date	—
Expiry date	Feb 7, 2036

Classification

Technology area (CPC G)Physics
CPC primaryG01P3/50
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The present disclosure relates to the estimation of a velocity of a first object using accelerometer signals, indicating an acceleration of the first object and/or a second object coupled to a first object. To this end, a characteristic frequency in the accelerometer signal spectrum may be determined, preferably by applying a parametric model or by performing a spectrum analysis, and used as a basis to estimate the velocity of the first object based on the determined characteristic frequency. The characteristic frequency may be determined by identifying the frequency having the maximum spectral amplitude or by identifying the fundamental frequency or a particular harmonic in the spectrum.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.