{
  "$type": "site.standard.document",
  "description": "The system has a controller (8) for driving operation of an electric motor (9) e.g. brushless direct current motor, and a set of power type accumulators (5) e.g. lithium type accumulators or nickel-metal hydride type accumulators, for powering the motor. A base (3) receives a set of energy type…",
  "path": "/patents/1008888",
  "publishedAt": "2011-10-05T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L50/52",
    "GARDES FLORIAN [FR]"
  ],
  "textContent": "The system has a controller (8) for driving operation of an electric motor (9) e.g. brushless direct current motor, and a set of power type accumulators (5) e.g. lithium type accumulators or nickel-metal hydride type accumulators, for powering the motor. A base (3) receives a set of energy type accumulators (4) in a removable manner. A direct current converter (2) links the set of energy type accumulators to the set of power type accumulators. A central control unit (7) controls the direct current converter.",
  "title": "Autonomous drive system"
}