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SEAT DEVICE FOR VEHICLE

  • US 20160221475A1
  • Filed: 09/10/2014
  • Published: 08/04/2016
  • Est. Priority Date: 09/10/2013
  • Status: Active Grant
First Claim
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1. A vehicle seat apparatus comprising:

  • a seat including a seat cushion and a seat back;

    an actuator capable of changing an orientation of at least a portion of the seat; and

    a controller configured to control the actuator,wherein the controller includes;

    a lateral acceleration acquisition unit configured to acquire a lateral acceleration;

    a steering velocity acquisition unit configured to acquire a steering velocity; and

    a posture control unit configured to exercise a seat posture control over the actuator based on the lateral acceleration acquired by the lateral acceleration acquisition unit and the steering velocity acquired by the steering velocity acquisition unit, to change the orientation of the at least a portion of the seat,wherein the posture control unit is configured;

    to activate the seat posture control when a magnitude of the lateral acceleration becomes greater than a first acceleration threshold value, as well asto activate the seat posture control on conditions that the steering velocity has a magnitude greater than a steering velocity threshold value and a direction of the lateral acceleration is opposite to a direction of the steering velocity and when the magnitude of the lateral acceleration becomes greater than a second acceleration threshold value which is smaller than the first acceleration threshold value.

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