Method and apparatus for determining an operating point-dependent change in resistance factor and vehicle
First Claim
1. Method for determining an operating point-dependent change in resistance factor (AFAP) of an energy storage device, wherein the method comprises:
- determining a start resistance at an operating point start point in time,determining a change in resistance between a present resistance of the energy storage device and the start resistance at least at an operating point end point in time,determining an end resistance as a sum of the start resistance and the change in resistance determined at the operating point end point in time,wherein the operating point-dependent change in resistance factor (AFAP) is determined as a ratio between the end resistance and a nominal resistance proportion of the start resistance.
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Abstract
An apparatus and a method for determining an operating point-dependent change in resistance factor (AFAP) of an energy storage device, wherein a start resistance is determined at an operating point start point in time, wherein a change in resistance between a present resistance of the energy storage device and the start resistance is determined at least at an operating point end point in time, wherein an end resistance is determined as a sum of the start resistance and the change in resistance determined at the operating point end point in time, wherein the operating point-dependent change in resistance factor (AFAP) is determined as a ratio between the end resistance and a nominal resistance proportion of the start resistance, and to methods for determining an operating point-dependent resistance.
9 Citations
17 Claims
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1. Method for determining an operating point-dependent change in resistance factor (AFAP) of an energy storage device, wherein the method comprises:
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determining a start resistance at an operating point start point in time, determining a change in resistance between a present resistance of the energy storage device and the start resistance at least at an operating point end point in time, determining an end resistance as a sum of the start resistance and the change in resistance determined at the operating point end point in time, wherein the operating point-dependent change in resistance factor (AFAP) is determined as a ratio between the end resistance and a nominal resistance proportion of the start resistance. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. Method for determining an operating point-dependent resistance of an energy storage device, wherein the method comprises:
determining an operating point-dependent resistance depending on a presently stored operating point-dependent change in resistance factor (AFAP), wherein the operating point-dependent change in resistance factor (AFAP) is determined according to the steps; determining a start resistance at an operating point start point in time, determining a change in resistance between a present resistance of the energy storage device and the start resistance at least at an operating point end point in time, determining an end resistance as a sum of the start resistance and the change in resistance determined at the operating point end point in time, wherein the operating point-dependent change in resistance factor (AFAP) is determined as a ratio between the end resistance and a nominal resistance proportion of the start resistance.
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16. Method for determining an operating point-dependent resistance of an energy storage device, wherein the method comprises:
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determining an operating point-dependent resistance depending on a presently stored operating point-dependent change in resistance factor (AFAP) if a time duration between a present point in time and a determination point in time of the operating point-dependent change in resistance factor (AFAP) determined last is less than or equal to a predetermined time duration, wherein the operating point-dependent resistance is determined depending on a replacement change in resistance factor if the time duration between a present point in time and a determination point in time of the operating point-dependent change in resistance factor (AFAP) determined last is greater than the predetermined time duration.
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17. Apparatus for determining an operating point-dependent change in resistance factor (AFAP) of an energy storage device, wherein the apparatus comprises:
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at least one evaluation device, wherein a start resistance is determinable at an operating point start point in time, wherein a change in resistance between a present resistance of the energy storage device and the start resistance is determinable at least at an operating point end point in time, wherein an end resistance is determinable as a sum of the start resistance and the change in resistance determined at the operating point end point in time, and wherein the operating point-dependent change in resistance factor (AFAP) is determinable as a ratio between the end resistance and a nominal resistance proportion of the start resistance.
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Specification