VIP20
本课程属于：024-Occupant Protection and Crashworthiness Development English Technical Courses · 共 20 门相关课程，组合学习更完整。
查看所属VIP全部课程 →
← 返回所属目录 咨询 / 购买

Occupant Protection Targets Under Conflicting Crash Pulses

30 Chapters
View Course Samples Online
01
Course introduction
occupant protection targets, conflicting crash pulses, and the engineering challenge of balancing injury criteria across load cases.
occupantprotection
02
Crash pulse fundamentals
acceleration-time history, delta-v, pulse duration, and frequency content as inputs to occupant simulation.
acceleration-timeduration
03
Conflicting pulse scenarios
frontal offset, oblique, small overlap, side impact, and rear impact pulses that impose competing restraint requirements.
Conflictingscenarios
04
Occupant injury criteria
HIC, chest deflection, Nij, femur force, and other targets defined in FMVSS, Euro NCAP, and C-NCAP.
Occupantcriteria
05
Restraint system architecture
seat belts, pretensioners, load limiters, airbags, and their interaction with different pulse shapes.
Restraintarchitecture
06
Pulse-dependent restraint tuning
how belt force limiting and airbag venting must be calibrated for aggressive versus soft pulses.
Pulse-dependentrestraint
07
Occupant simulation workflow
MADYMO, LS-DYNA, and coupling with sled test data for pulse-driven load cases.
Occupantsimulation
08
Sled test design for conflicting pulses
pulse generation methods, buck configuration, and instrumentation for target validation.
conflictinggeneration
09
Frontal rigid barrier versus offset deformable barrier
pulse differences and resulting occupant target trade-offs.
deformabledifferences
10
Small overlap and oblique crashes
unique pulse characteristics and challenges for restraint and structural countermeasures.
characteristicschallenges
11
Side impact pulses
door intrusion, pole impact, and the conflict between early restraint and lateral clearance.
intrusionconflict
12
Rear impact and whiplash
pulse shape effects on seat design and neck injury targets.
whiplash
13
Occupant size and posture variation
how conflicting pulses affect 5th percentile female, 50th percentile male, and 95th percentile male targets.
Occupantvariation
14
Out-of-position occupants
pulse timing and airbag deployment conflicts under varying initial conditions.
Out-of-positionoccupants
15
Adaptive restraint systems
sensors, algorithms, and actuators that switch strategies based on pulse severity and occupant state.
Adaptiverestraint
16
Case study
engineering a restraint system for both frontal offset and small overlap pulses within target limits.
restraint
17
Case study
balancing side impact pole and barrier pulses for head and thorax protection.
balancingprotection
18
Optimization methods
DOE, surrogate modeling, and multi-objective optimization for conflicting pulse targets.
OptimizationDOE
19
Robustness and variability
accounting for pulse tolerances, manufacturing variation, and occupant parameter uncertainty.
Robustnessvariability
20
CAE correlation and validation
matching simulation to sled and vehicle crash tests across conflicting pulses.
CAEcorrelation
21
Regulatory and consumer rating interactions
how conflicting pulse requirements drive design decisions and trade-offs.
Regulatoryconsumer
22
Structural countermeasures
front-end geometry, crash boxes, and load paths that shape pulses for occupant benefit.
Structuralcountermeasures
23
Restraint-countermeasure integration
coordinating airbag, belt, and seat design with structural pulse modification.
Restraint-countermeasureintegration
24
Advanced airbag strategies
dual-stage inflators, adaptive venting, and pulse-specific deployment profiles.
Advancedstrategies
25
Belt system innovations
motorized pretensioners, reversible restraints, and load-limiting profiles for conflicting pulses.
innovationsmotorized
26
Seat design for conflicting pulses
energy absorption, anti-submarining, and whiplash mitigation across load cases.
conflictingabsorption
27
Pedestrian and vulnerable road user protection
pulse conflicts in mixed crash scenarios and target prioritization.
Pedestrianvulnerable
28
Electric and autonomous vehicle considerations
new pulse profiles from battery mass and seating reconfiguration.
Electricautonomous
29
Data-driven approaches
machine learning for pulse classification and real-time restraint adaptation.
Data-drivenapproaches
30
Capstone project
develop and validate an occupant protection target set for a vehicle subjected to two conflicting crash pulses, with documented trade-offs and engineering justification.
Capstonevalidate