Method and apparatus for monitoring battery state
AssigneeSamsung Electronics Co., Ltd.
InventorsJaemo Sung, Jeonghyun Park, Taejung Yeo
Life of this patent
Estimating the term…
Abstract
A method and an apparatus for monitoring battery state are provided. A method of monitoring battery state involves collecting vibration information based on a signal from an acceleration sensor, calculating a cumulative impact based on the vibration information, and estimating a degree of damage to a battery based on the cumulative impact.
Claims23
A method of monitoring battery state, comprising:
- collecting vibration information associated with a target battery, based on signals from one or more acceleration sensors attached to the target battery;
- calculating a cumulative impact based on the vibration information associated with the target battery;
- and
- estimating a degree of damage to the target battery based on the cumulative impact.
A method of monitoring battery state, comprising:
- collecting vibration information based on a signal from an acceleration sensor;
- calculating a cumulative impact based on the vibration information;
- and
- estimating a degree of damage to a battery based on the cumulative impact, wherein the collecting of the vibration information further comprises:
- monitoring the signal from the acceleration sensor;
- extracting an acceleration sensor signal block for a predetermined period of time in response to an amplitude of the signal being greater than or equal to a predetermined first threshold value;
- determining a frequency and an impact magnitude level of the acceleration sensor signal block;
- and
- generating an impact profile based on the impact magnitude level and a number of events corresponding to a frequency band including the determined frequency.
A method of monitoring battery state, comprising:
- collecting vibration information based on a signal from an acceleration sensor;
- calculating a cumulative impact based on the vibration information;
- estimating a degree of damage to a target battery based on the cumulative impact
- measuring a degree of similarity between a pattern of reference sensing data obtained by sensing at least one of a voltage, a current, and a temperature of a normal battery and a pattern of target sensing data obtained by sensing at least one of a voltage, a current, and a temperature of the target battery;
- and
- estimating a state of the target battery using the estimated degree of damage and the measured degree of similarity.
An apparatus for monitoring battery state, comprising:
- a collector configured to collect vibration information associated with a target battery, based on signals from one or more acceleration sensors attached to the target battery;
- an impact calculator configured to calculate a cumulative impact based on the vibration information associated with the target battery;
- and
- a damage estimator configured to estimate a degree of damage to the target battery based on the cumulative impact.
An apparatus for monitoring battery state, comprising:
- a processor configured to:
- process signals received from one or more acceleration sensors to determine an impact magnitude level for an impact event associated with a target battery, the one or more acceleration sensors being attached to the target battery;
- calculate a cumulative impact based on the impact magnitude level associated with the target battery;
- and
- estimate a degree of damage to the target battery based on the cumulative impact.
Dependencies are inferred from the claim text.