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Airbag and Seatbelt Design Change Risk Assessment with DRBFM

30 Chapters
View Course Samples Online
01
DRBFM fundamentals for airbag and seatbelt systems
definition, origins, and why change-point risk assessment is critical for safety-critical restraint systems.
DRBFMseatbelt
02
Airbag and seatbelt system architecture
key components, deployment chain, sensor-to-actuator interfaces, and safety performance requirements relevant to design changes.
seatbeltarchitecture
03
Change categorization and triggers in restraint systems
distinguishing minor, major, and safety-critical changes across airbag modules, seatbelt retractors, buckles, and anchoring structures.
categorizationtriggers
04
Preparing for a DRBFM workshop
scoping the change, assembling cross-functional teams, and gathering design, validation, and field data for airbag and seatbelt changes.
PreparingDRBFM
05
Functional modeling of airbag and seatbelt systems
decomposing functions, sub-functions, and interfaces to support change-point analysis.
Functionalmodeling
06
Identifying change points in airbag and seatbelt designs
mapping physical and functional deltas from CAD, BOM, and specification changes.
Identifyingseatbelt
07
Failure mode and effect analysis (FMEA) linkage to DRBFM
leveraging existing FMEA for airbag and seatbelt change risk assessment without duplication.
analysisFMEA
08
Concern analysis and worry questions
generating focused DRBFM questions for airbag inflator, cushion, module, and seatbelt webbing/retractor changes.
analysisquestions
09
Root cause analysis techniques for restraint system changes
applying 5 Whys, fishbone, and fault tree analysis to airbag and seatbelt failure scenarios.
analysistechniques
10
Risk assessment matrices for airbag and seatbelt changes
severity, occurrence, and detection scoring tailored to restraint system safety.
assessmentmatrices
11
Design verification planning from DRBFM outputs
translating change risks into test and validation requirements for airbag and seatbelt systems.
verificationplanning
12
Simulation and CAE validation for airbag and seatbelt design changes
using occupant simulation and component FEA to investigate DRBFM concerns.
SimulationCAE
13
Physical testing strategies for airbag and seatbelt changes
sled tests, component tests, and environmental tests driven by DRBFM risk items.
Physicalstrategies
14
Supplier integration in DRBFM for restraint systems
extending change risk assessment to airbag inflators, seatbelt webbing, and buckle suppliers.
Supplierintegration
15
DRBFM for airbag inflator and propellant changes
assessing burn rate, pressure curve, and deployment variability risks.
DRBFMinflator
16
DRBFM for airbag cushion and module changes
evaluating tear seam, venting, folding pattern, and module housing effects on deployment.
DRBFMevaluating
17
DRBFM for seatbelt retractor and pretensioner changes
analyzing locking behavior, spool geometry, and pretensioner activation risks.
DRBFMseatbelt
18
DRBFM for seatbelt webbing, buckle, and anchor changes
assessing load path, geometry, and material substitution risks.
DRBFMseatbelt
19
Interface and integration risk assessment
airbag-to-vehicle, seatbelt-to-seat, and sensor-to-restraint interactions in DRBFM.
Interfaceintegration
20
Human factors and misuse considerations in DRBFM
evaluating change impacts on occupant positioning, belt routing, and airbag deployment zones.
considerationsDRBFM
21
Regulatory and standards compliance in DRBFM
mapping change risks to FMVSS, ECE, and internal safety requirements for airbag and seatbelt systems.
Regulatorystandards
22
Documenting DRBFM results
creating change-point lists, risk registers, and action tracking for restraint system design changes.
DocumentingDRBFM
23
Case study
DRBFM for an airbag module housing material change: from change point identification to validation closure.
DRBFMmaterial
24
Case study
DRBFM for a seatbelt retractor design change: analyzing locking sensitivity and pretensioner interface risks.
DRBFMseatbelt
25
Case study
DRBFM for a seatbelt anchor location change: assessing load path, geometry, and occupant protection performance.
DRBFMseatbelt
26
Integrating DRBFM with change management and PLM systems
workflow, traceability, and approval gates for restraint system changes.
IntegratingDRBFM
27
DRBFM review and facilitation skills
running effective workshops, challenging assumptions, and capturing tacit knowledge for airbag and seatbelt changes.
DRBFMfacilitation
28
Common pitfalls and best practices in DRBFM for airbag and seatbelt systems
avoiding superficial analysis and ensuring risk-based validation.
pitfallspractices
29
Practical workshop
conducting a DRBFM on a selected airbag or seatbelt design change using a structured template and team exercise.
workshopconducting
30
Capstone project
end-to-end DRBFM risk assessment for a real or simulated airbag/seatbelt change, including documentation and validation plan.
Capstoneend-to-end