Cover -- Half Title -- Title Page -- Copyright Page -- Contents -- Preface -- List of Tables -- List of Figures -- Acknowledgements -- Chapter 1: Introduction -- 1.1 Motivation: The Quest for Increasingly Efficient Aircraft -- 1.2 Literature Review on Active Load Alleviation -- 1.3 Proposed Approach -- 1.4 Fundamental assumptions -- 1.5 Unique features of this book -- 1.6 Book Organization -- Chapter 2: Unsteady Aerodynamic Modeling of a Multiflap Wing -- 2.1 Quasi-Steady Aerodynamic Model -- 2.2 Unsteady Lifting-Line Theory (ULLT) -- 2.3 Unsteady Vortex Lattice Method (UVLM) -- 2.4 Verification of Aerodynamic Models -- 2.5 Assumptions and Constraints -- Chapter 3: Review of Model Order Reduction Methods -- 3.1 Introduction -- 3.2 Proper Orthogonal Decomposition: Fundamentals -- 3.3 Balanced Proper Orthogonal Decomposition -- 3.4 Eigensystem Realization Algorithm (ERA) -- 3.5 Example: Application to a Finite Element Model of a Cantilever Beam -- 3.6 Chapter Summary -- Chapter 4: Modal Identification of Aerodynamic Systems -- 4.1 Modal Identification from UVLM -- 4.2 Limits in Identifiability -- 4.3 Modal Identification from ULLT -- 4.4 Physical Interpretation of Aerodynamic Modes -- 4.5 Effects of Varying Wing Planform on the Mode Shapes and Eigenvalues -- 4.6 Chapter Summary -- Chapter 5: Spatial Control of Spanwise Lift Distribution -- 5.1 Model Output Expansion into Mode Shapes -- 5.2 Threshold for Model Truncation -- 5.3 Spatial-Temporal Controller Synthesis -- 5.4 Shape Control Problem -- 5.5 Gust Load Alleviation Problem -- 5.6 Gust Load Alleviation Problem with Gust Estimation -- 5.7 Chapter Summary -- 5.8 Future Developments of This Methodology -- Appendix A -- References -- Index -- Supporting Materials.