{
  "$type": "site.standard.document",
  "description": "An estimation method includes: performing, for each different degree of degradation, regression analysis between a first value and a second value, wherein the first value is related to one or more reference feature points on a differential curve of a charging-discharging curve indicating a voltage…",
  "path": "/patents/1399494",
  "publishedAt": "2025-08-06T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01R31/367",
    "YOKOGAWA ELECTRIC CORP [JP]"
  ],
  "textContent": "An estimation method includes: performing, for each different degree of degradation, regression analysis between a first value and a second value, wherein the first value is related to one or more reference feature points on a differential curve of a charging-discharging curve indicating a voltage value (V) with respect to integrated current amount (Q) of a reference storage battery (R), and the second value is at least one of a capacity value of the reference storage battery (R) and an internal resistance value of the reference storage battery (R); and estimating at least one of a capacity value of a target storage battery (11) and an internal resistance value of the target storage battery (11), based on a result of the regression analysis and a third value related to one or more target feature points on a differential curve of a charging-discharging curve of the target storage battery (11).",
  "title": "ESTIMATION METHOD, ESTIMATION SYSTEM, ESTIMATION COMPUTER PROGRAM, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM"
}