Title:
BAD ROAD DECIDING DEVICE, BAD ROAD DECIDING METHOD AND STARTING DEVICE AND STARTING METHOD FOR OCCUPANT PROTECTING DEVICE
Document Type and Number:
Japanese Patent JP3772629
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To decide whether shock applied to a vehicle is caused by a collision or a bad road.
SOLUTION: When a head-on collision is assumed (S104) based on floor G from a floor sensor mounted in the vicinity of a center console of a vehicle, an average value of time integrated values VL, VR of front G from left and right front sensors mounted on left and right front sides of the vehicle and a time integrated value VG of floor G are compared in size, and when the time integrated value VG of floor G is smaller, shock is decided to be caused by the head-on collision (S110), and when the time integrated value VG of floor G is larger, shock is decided to be caused by the bad road (S112). The decision is based on the fact that front G rises earlier than floor G and the value is larger when shock applied to the vehicle is caused by the head-on collision, and floor G and front G rise substantially simultaneously and the value of floor G is larger when shock is caused by the bad road.
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Inventors:
Katsuji Imai
Norifumi Itada
Norifumi Itada
Application Number:
JP2000057574A
Publication Date:
May 10, 2006
Filing Date:
March 02, 2000
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
B60R21/00; B60R21/16; B60R21/01; G01P15/00; (IPC1-7): B60R21/32; B60R21/00; B60R21/01
Domestic Patent References:
| JP11192918A | ||||
| JP11189127A | ||||
| JP8108820A | ||||
| JP11091502A | ||||
| JP2000006753A | ||||
| JP2000055929A | ||||
| JP3270014B2 | ||||
| JP3358022B2 |
Attorney, Agent or Firm:
Kenji Yoshida
Jun Ishida
Jun Ishida