Project Background
A vehicle restraint system development project required matching optimization of seatbelts, airbags and other restraint devices to ensure optimal occupant protection during crashes.
Technical Solution
- Seatbelt Design: Limiter and pretensioner parameter optimization
- Airbag Matching: Airbag deployment timing and inflation volume optimization
- Occupant Response: Occupant injury指标 evaluation and optimization
- Multi-scenario Validation: Restraint system performance under different crash modes
Analysis Content
- Subsystem Model: Detailed seatbelt and airbag FEA models
- Occupant Dynamics: Dummy motion response and injury evaluation
- Parameter Optimization: Restraint system parameter sensitivity analysis
- Robustness Analysis: Manufacturing tolerance effects
Project Results
- Occupant injury indicators meet regulatory requirements
- 12% reduction in restraint system cost
- Established restraint system matching optimization workflow