{
  "$type": "site.standard.document",
  "description": "A shock absorber system (20), including: a hydraulic shock absorber (22) configured to generate a damping force with respect to a relative movement of a sprung portion and an unsprung portion; a damping-force changer (24) configured to change the damping force; and a controller (26) configured to…",
  "path": "/patents/947757",
  "publishedAt": "2015-12-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60G17/016",
    "TOYOTA MOTOR CO LTD [JP]"
  ],
  "textContent": "A shock absorber system (20), including: a hydraulic shock absorber (22) configured to generate a damping force with respect to a relative movement of a sprung portion and an unsprung portion; a damping-force changer (24) configured to change the damping force; and a controller (26) configured to determine a damping-force index and to control the damping-force changer, wherein the controller is configured to determine, as the index, a required application force to be applied to the sprung portion for damping its movement in an up-down direction, according to a determination rule in which the required application force has the same direction as a direction of a speed of the sprung portion in the up-down direction when the sprung speed is relatively small and acceleration of the sprung portion in the up-down direction is relatively large in a situation in which the direction of the speed and a direction of the acceleration are mutually different.",
  "title": "SHOCK ABSORBER SYSTEM"
}