Patent ID: 11906589
Assignee: NUVATION RESEARCH CORPORATION
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A method of determining whether a state-of-charge estimate of an energy storage system is tracking, the method comprising:
measuring, by a current measurement module comprising a current sensor, a current related to the energy storage system to ascertain a measured current;
measuring, by a voltage measurement module comprising a voltage sensor, a voltage related to the energy storage system to ascertain a measured voltage;
determining, by an estimator module, a model-based state-of-charge estimate for the energy storage system based on the measured current and the measured voltage;
determining, by the estimator module, a model-based standard error based on the measured current and the measured voltage;
determining, by a tracking module, an upper confidence limit and a lower confidence limit based on the model-based state-of-charge estimate and the model-based standard error; and
providing, by the tracking module, a tracking signal that indicates whether an output state-of-charge estimate is tracking between the upper confidence limit and the lower confidence limit;
wherein the estimator module and the tracking module are implemented on one or more processors.