{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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    "mimeType": "image/png",
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  "description": "Provided is an electric power assist system (51) that generates an appropriate level of assist power while a vehicle is running on a slope. The electric power assist system usable for an electric assist vehicle (1) includes: an electric motor (53) generating assist power to assist human power of a…",
  "path": "/patents/1400583",
  "publishedAt": "2026-02-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L15/10",
    "YAMAHA MOTOR CO LTD [JP]"
  ],
  "textContent": "Provided is an electric power assist system (51) that generates an appropriate level of assist power while a vehicle is running on a slope. The electric power assist system usable for an electric assist vehicle (1) includes: an electric motor (53) generating assist power to assist human power of a rider of the electric assist vehicle; a control device (170) controlling a magnitude of the assist power to be generated by the electric motor; and an acceleration sensor (38) outputting an acceleration signal representing an acceleration Gx in a travel direction of the electric assist vehicle. The control device 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 assist power of a magnitude in accordance with the inclination angle.",
  "title": "ELECTRIC ASSIST SYSTEM AND ELECTRIC ASSIST VEHICLE"
}