| 摘要 |
The implementation of dual-stage inflators in some production vehicles is quickly becoming a common reality. A dual-stage inflator has two firing squibs that can fire independently, simultaneously or in a delayed mode. This tailorability provides the ability to fire a low level, high level or staged delay level depending on the impact velocity or other means. For each restraint condition, the inflator output threshold speeds are identified. A biomechanical gray zone, for each injury assessment reference value, is defined based on occupant performance. The upper and lower bound of each biomechanical gray zone is associated with a type of occupant, inflator output, belt restraint and injury parameter.
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