{
  "$type": "site.standard.document",
  "description": "A control apparatus for an electric parking brake, including an electric motor to generate a brake force by contacted friction materials upon a brake request, includes a no-load current detection unit to detect a current with the no-load electric motor; a voltage monitor unit to detect a voltage…",
  "path": "/patents/1141962",
  "publishedAt": "2015-05-21T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60T13/741",
    "TOYOTA JIDOSHA KABUSHIKI KAISHA"
  ],
  "textContent": "A control apparatus for an electric parking brake, including an electric motor to generate a brake force by contacted friction materials upon a brake request, includes a no-load current detection unit to detect a current with the no-load electric motor; a voltage monitor unit to detect a voltage applied to the electric motor monitored between two points on a power line; a resistance calculation unit to calculate a resistance between two points based on the no-load current and the monitored voltage; a required voltage calculation unit to calculate a required voltage between the two points required for driving the electric motor to generate the brake force based on the resistance and a target current; and a control unit to flow a current over the target current in the electric motor based on a comparison between the required and monitored voltages.",
  "title": "CONTROL APPARATUS FOR ELECTRIC PARKING BRAKE"
}