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Airdrop Recovery Systems With Self-Inflating Airbag: Modeling And Analysis

Airdrop Recovery Systems With Self-Inflating Airbag: Modeling And Analysis

Hongyan Wang, Qiang Rui, Huangjie Hong, Jianyang Li

ISBN: 978-1-119-23735-8 February 2017 300 Pages



A complete reference text to airdrop recovery systems with self-inflating airbags, focusing on analysis, test data, and engineering practicalities

  • Comprehensively covers the fundamental theories, design, matching, and analysis of airdrop recovery systems that include a parachute and self-inflating airbag system
  • Gives step-by-step guidance to aid readers in analyzing and designing their own recovery systems
  • Highlights advanced research programs in the field of airdrop recovery systems, such as simulation and optimization methods.

Preface xi

1 Introduction 1

1.1 Categories and Recovery Modes of the Recovery System 1

1.2 Present Status of Recovery Technology 15

2 Analysis of the Working Characteristics of the Parachute System 33

2.1 Kinetic Model of the Working Process of the Parachute System 33

2.2 Statistical Distribution of Airdrop Equipment Landing Velocity and Attitude Parameters 68

3 Self?]inflating Cushioning Airbag Analytical Modeling and Cushioning Characteristic Analysis 85

3.1 Cushioning Airbag Analytical Modeling 85

3.2 Double?]chamber Airbag Modeling, Characteristic Calculation and Influencing Factor Analysis 96

3.3 Cushioning Airbag System Parameter Design and Matching Method 107

3.4 Cushioning Airbag Parameter Optimization Based on Analytical Model 130

4 Equipment?]airbag System Nonlinear Finite Element Modeling and Cushioning Process Simulation 141

4.1 Explicit Dynamic Finite Element Method 141

4.2 Equipment?]airbag System Model 149

4.3 Equipment?]airbag System Landing Cushioning Process Simulation 158

4.4 High Altitude Airdrop Failure Case Analysis and Countermeasures 165

5 Test and Verification of Cushioning Characteristics of the Airbag System 181

5.1 Airbag Launch Test System 181

5.2 Test Plan Design 191

5.3 Test Result Analysis and Model Verification 195

6 Cushioning Airbag Optimization Design and Evaluation 213

6.1 Airbag System Matching Parameter Sensitivity Analysis 213

6.2 Surrogate Model?]based Airbag Parameter Optimization Design 215

6.3 Evaluation of Cushioning Airbag Optimization Design Results 233

Conclusion 237

References 239

Index 251