US 2016/0109527 A1 · METHOD AND APPARATUS FOR DETERMINING A CHANGE IN RESISTANCE OF AN ENERGY STORAGE DEVICE AND VEHICLE

Abstract

An apparatus and a method for determining a change in resistance (ΔR0) of an energy storage device, wherein a measurement voltage (Umeas) of the energy storage device is detected, wherein a model voltage (Umod) of the energy storage device is determined, wherein a deviation (Ue) between the model voltage (Umod) and the measurement voltage (Umeas) is determined, wherein a measurement current of the energy storage device is detected, wherein a change (Ud) in the deviation (Ue) over time is determined, wherein the change in resistance (ΔR0) of the energy storage device is determined depending on the change (Ud) in the deviation (Ue) over time, and to a vehicle.

Claims12

Dependent claims

Method for determining a change in resistance (ΔR0) of an energy storage device, the method comprising:

detecting a measurement voltage (Umeas) of the energy storage device,
determining a model voltage (Umod) of the energy storage device,
determining a deviation (Ue) between the model voltage (Umod) and the
measurement voltage (Umeas), and
determining a change (Ud) in the deviation (Ue) over time,
wherein the change in resistance (ΔR0) of the energy storage device is determined depending on the change (Ud) in the deviation (Ue) over time.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

14/882,516Filed 14 Oct 2015

Priority

DE 102014220913.715 Oct 2014

Published

21 Apr 2016

Term ends

Not estimatedThe source records don’t support an estimate.

Classification7 codes

G01R 31/389
Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of…
B60L 3/12
Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy…:…
B60L 58/12
For monitoring or controlling batteries: responding to state of charge [SoC]
Y02T 10/70
Other road transportation technologies with climate change mitigation effect: energy storage systems for electromobility, e.g. batteries

Method and apparatus for determining a change in resistance of an energy storage device and vehicle

Life of this patent

Method and apparatus for determining a change in resistance of an energy storage device and vehicle

Life of this patent

Abstract

Claims12