{
  "$type": "site.standard.document",
  "description": "An electric power assist system generates an appropriate level of assist power while an electric assist vehicle is running on a slope and includes an electric motor that generates an assist power to assist human power of a rider of the electric assist vehicle, a controller that controls a magnitude…",
  "path": "/patents/1246066",
  "publishedAt": "2019-10-17T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B62M6/50",
    "YAMAHA HATSUDOKI KABUSHIKI KAISHA"
  ],
  "textContent": "An electric power assist system generates an appropriate level of assist power while an electric assist vehicle is running on a slope and includes an electric motor that generates an assist power to assist human power of a rider of the electric assist vehicle, a controller that controls a magnitude of the assist power to be generated by the electric motor, and an acceleration sensor that outputs an acceleration signal representing an acceleration in a travel direction of the electric assist vehicle. The controller acquires speed information representing a running speed of the electric assist vehicle based on an external signal, detects an inclination angle of a road surface based on the speed information and the acceleration signal, and causes the electric motor to generate an assist power of a magnitude in accordance with the inclination angle.",
  "title": "ELECTRIC ASSIST SYSTEM AND ELECTRIC ASSIST VEHICLE"
}