{
  "$type": "site.standard.document",
  "description": "A battery system including a plurality of battery cells, a lower controller configured to collect cell voltages of the plurality of battery cells at each sampling period of a plurality of sampling periods, calculate, based on the cell voltages, an average cell voltage and cell voltage deviations…",
  "path": "/patents/1386989",
  "publishedAt": "2026-02-18T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01R19/003",
    "SAMSUNG SDI CO LTD [KR]"
  ],
  "textContent": "A battery system including a plurality of battery cells, a lower controller configured to collect cell voltages of the plurality of battery cells at each sampling period of a plurality of sampling periods, calculate, based on the cell voltages, an average cell voltage and cell voltage deviations, encode the cell voltage deviations into first bit codes by using a first cell voltage Huffman code table, and transmit the average cell voltage and the first bit codes at each sampling period of the plurality of sampling periods, and an upper controller configured to receive the average cell voltage and the first bit codes from the lower controller, decode the first bit codes into decoded cell voltage deviations by using a second cell voltage Huffman code table, and generate restored cell voltages of the plurality of battery cells by using the average cell voltage and the decoded cell voltage deviations.",
  "title": "BATTERY SYSTEM AND OPERATING METHOD OF BATTERY MANAGEMENT SYSTEM"
}