Motorcycle Airbag System

About the Motorcycle Airbag System

  • Introduction
  • Development Objective
  • Development History
  • Research and Development Methodology
  • System Composition and Functionality
  • System Operational Flow

System Operational Flow

Deployment Conditions

The airbag is designed to deploy in the case of a frontal collision in which the rider could be thrown forward from the motorcycle.

System Operation

When a frontal collision occurs, the crash sensors convey the data they generate to the airbag ECU, which determines if a collision has occurred and whether or not it is necessary to inflate the airbag. If the calculations performed by the ECU indicate that airbag deployment is necessary, the ECU sends an electronic signal to the airbag inflator, which instantaneously responds by releasing nitrogen gas to inflate the airbag. To help the inflated airbag absorb some of the forward momentum of the rider, the gas is allowed to escape slowly from two vents, one on each side of the airbag.

This chain of events takes only approximately 0.15 seconds from start to finish, less than the blink of a human eye (about 0.2 seconds).

(Side collision with a stationary vehicle (Honda Accord) at 50km/h)

Operational Flow

Operational Flow
Operational Flow

(Side collision with a stationary vehicle (Honda Accord) at 50km/h)

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