{
  "$type": "site.standard.document",
  "description": "A battery controller 40 for controlling an assembled battery configured by connecting battery groups each including battery cells, includes: voltage measuring units that are provided respectively for the battery groups each to measure a voltage of each of the battery cells included in a…",
  "path": "/patents/1004325",
  "publishedAt": "2012-03-14T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60R16/033",
    "HITACHI VEHICLE ENERGY LTD [JP]"
  ],
  "textContent": "A battery controller 40 for controlling an assembled battery configured by connecting battery groups each including battery cells, includes: voltage measuring units that are provided respectively for the battery groups each to measure a voltage of each of the battery cells included in a corresponding battery group; a minimum value detecting unit that detects a minimum value of the battery cells for each of the battery groups based upon the measured voltage of each of the battery cells; a reference value setting unit that sets a reference value used to determine an abnormal voltage drop for each of the battery groups based upon the measured voltage of each of the battery cells; and an abnormality determining unit that makes a determination that an abnormal voltage drop is present, if a difference between the reference value and the minimum value exceeds a predetermined value, for each of the battery groups.",
  "title": "Battery controller and voltage abnormality detection method"
}