| 摘要 |
PURPOSE: A buffer of a seat for a vehicle is provided to improve a ride in heavy vehicle with poor seat cushion by controlling seat buffering according to the road condition. CONSTITUTION: A buffer of a seat for a vehicle comprises: a spring(19) to be mounted to make elastic force between a X-type link(13) and a seat(11); a damper(18) to be mounted to make damping force between the seat and a body(12), with magnetic induction fluid or electric induction fluid; acceleration sensors(14)(15) to be respectively mounted on the seat and the body, and to generate signals according to variations of accelerations; a displacement sensor(16) to be mounted between the seat and the body, generate signals according to variations of relative displacements; a controller(26) to receive signals of the acceleration sensors and the displacement sensor, and to generate an output to adjust a damper(18); an operation output device to receive output signals of the control and to vary current or voltage of the damper.
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