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研究生： 黃家瑜
Huang, Chia-Yu
論文名稱： 高動態飛行器地障閃避系統路徑最佳化
Trajectory Optimization of High Dynamic Aircraft Terrain-Clearance System
指導教授： 詹劭勳
Jan, Shau-Shiun
學位類別： 碩士
Master
系所名稱： 工學院 - 民航研究所
Institute of Civil Aviation
論文出版年： 2022
畢業學年度： 110
語文別： 英文
論文頁數： 61
中文關鍵詞： 高動態飛行器地障閃避系統 、最佳化演算法 、非線性規劃 、最佳化路徑
外文關鍵詞： High dynamic Aircraft terrain-clearance system (HDATCS), optimization algorithm, nonlinear programming (NLP), optimal trajectory
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    • 摘要 I ABSTRACT II ACKNOWLEDGEMENTS IV TABLE OF CONTENTS V LIST OF TABLES VII LIST OF FIGURES VII CHAPTER 1 INTRODUCTION AND OVERVIEW 1 1.1 Motivation and Objectives 2 1.2 Literature Review 3 1.3 Thesis Outline 5 CHAPTER 2 INTRODUCTION AND PERFORMANCE ANALYSIS OF HIGH DYNAMIC AIRCRAFT TERRAIN-CLEARANCE SYSTEM 6 2.1 Look Ahead Distance (LAD) 7 2.2 Search Volume 9 2.2.1 Horizontal Scan Area 9 2.2.2 Vertical Scan Area 10 2.3 Performance Analysis of the HDATCS on the Basis of Taiwan’s Terrain 12 2.3.1 DTM 12 2.3.2 High-Risk Terrains and the Terrain Searching Method 14 2.3.3 HDATCS Performance Verification for High-Risk Terrains 19 2.3.4 Analysis Results 25 2.4 Chapter Summary 27 CHAPTER 3 OPTIMAL CONTROL METHODOLOGY 28 3.1 Overview of the Optimization Algorithm 29 3.2 Formulation of the General Optimal Control Problem 30 3.3 Application of Ground Collision Avoidance in an Optimal Control Problem 32 3.3.1 3D Dynamic Aircraft Model 32 3.3.2 Minimum Control Cost Function 35 3.3.3 Path Constraint: Terrain Buffer 36 3.4 Multiple Shooting Method (Direct Method) 39 3.4.1 RK4 Method 40 3.5 Parameters to Be Specified 42 3.5.1 Time Horizon 42 3.5.2 Input Terrain Range 43 3.6 Chapter Summary 45 CHAPTER 4 SIMULATION RESULTS 46 4.1 Critical Case 1 47 4.2 Critical Case 2 49 4.3 Critical Case 3 52 4.4 Control Plot 54 4.5 Chapter Summary 56 CHAPTER 5 CONCLUSION AND FUTURE WORK 58 5.1 Conclusion 58 5.2 Future Work 59 REFERENCE 60

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