{
  "$type": "site.standard.document",
  "description": "A method for estimating a battery state of an energy storage system () of a vehicle () using at least a dual estimator (), wherein the energy storage system comprises a battery unit (), and wherein the dual estimator comprises: a first estimator configured to estimate said battery state using a…",
  "path": "/patents/1323016",
  "publishedAt": "2022-07-21T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01R31/367",
    "VOLVO TRUCK CORPORATION"
  ],
  "textContent": "A method for estimating a battery state of an energy storage system () of a vehicle () using at least a dual estimator (), wherein the energy storage system comprises a battery unit (), and wherein the dual estimator comprises: a first estimator configured to estimate said battery state using a prediction model, the first estimator having first tuning parameters, a second estimator configured to track changes around nominal values of a set of battery parameters, the second estimator having second tuning parameters, a feedback loop being provided between the first and second estimators, the method comprising: obtaining operational data of the energy storage system, determining whether the operational data fulfil a defined sensitivity criterion with respect to a sensitivity to at least one of the battery parameters, feeding the operational data to the estimators, using the first estimator, estimating the battery state, using the second estimator, for each battery parameter for which the sensitivity criterion is fulfilled, estimating changes around the nominal values of the set of battery parameters.",
  "title": "A METHOD FOR ESTIMATING A BATTERY STATE"
}