Optimal Timing to Trigger an Airbag Hosei Univ

Format:

Conference/Event

Author/Creator:

Watanabe, Kajiro, author.

Conference Name:

International Congress & Exposition (1993-03-01 : Detroit, Michigan, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 1993

Summary:

AbstractAn airbag upon collision of automobiles must finish expanding at the time when the driver's body arrives at the surface of the expanded airbag from the normal position and it must receive the body softly. Either early or late expansion reduce the effect. Determination of the optimal timing for trigger the airbag is quite important. But it is a difficult job, due to the time delay in the bag filling with the gas after collision.This paper focuses on the issue of the airbag technology to how to find the optimal trigger timing and presents a new and straightforward algorithm to determine the timing by introducing the concept of the prediction. The algorithm first predicts how the driver's body will move in the future time for a time equivalent to the delay time and triggers the airbag by the predicted information so that it can compensate the delay by the airbag operation.The algorithm determines the timing only from the acceleration measured by one sensor set in the automobile and is composed of the following four basic processing blocks;Simulations in the various conditions were carried out and the results demonstrated the validity of the algorithm

Notes:

Vendor supplied data

Publisher Number:

930242

Access Restriction:

Restricted for use by site license