A98-37001
`
`A. COLLECTION OF
`TECHNICAL PAPERS
`
`Part 1
`
`AIAA Guidance, Navigation,
`and Control
`Conference and Exhibit
`
`August 10-12, 1998/Boston, Massachusetts
`
`Space Exploration Technologies; NEW PETITION
`Exhibit 1003
`Page 1 of 22
`
`

`
`Copyright© 1998 by
`American Institute of Aeronautics and Astronautics
`
`ISBN
`1-56347-269-4
`
`All rights reserved. No part of this volume may be reproduced or
`transmitted in any form or by any means, electronic or mechanical,
`including photocopying and recording, for any purpose without
`permission from the publisher.
`
`Printed in the U.S.A.
`
`Space Exploration Technologies; NEW PETITION
`Exhibit 1003
`Page 2 of 22
`
`

`
`AIAA Guidance, Navigation, and Control
`Conference and Exhibit
`Boston, MA I August 1~12, 1998
`TABLE OF CONTENTS
`
`Paper No.
`
`Title and Author
`
`"Page Number
`
`98-4103
`
`Advanced ATM Concepts
`Session 1-GNC-1
`98-4101
`Agent-Based Performance Assessment Tool for General Aviation Operations Under Free Flight
`' K. Harper, S. Mulgund, G. Zacharias, and J. Kuchar ...........................................................................
`98-4102
`·Modeling and Identification of an Airline Operations Center as a Multi-Agent Queuing System
`N. Pujet, E. Feron, and A. Rakhit. ....................................................................................................... 11
`Evaluation of a Cooperative Air Traffic Management Model Using Principled Negotiation
`BelY(een Intelligent Agents
`,L. Jacolin and R. Stengel ................................................................................................................... 20
`Solution Complexity Metrics
`W. ,Niedringhaus ................................................................................................................................. 30
`Real-Time Decision Support for Air Traffic Management, Utilizing Concept Learning
`J. Nogami, S. Nakasuka, and K. Hori. ................................................................................................ 52
`Comparison of Algorithms for the Dynamic Resectorization of Airspace
`W. Pawlak, V. Goel, D. Rothenberg, and C. Brinton .......................................................................... 67
`
`98-4104
`
`98-4105
`
`98-4106
`
`
`
`98-4108
`,,
`, 98-4109
`
`Session 2-GNC-2 Reconfigurable Flight Control
`98;4101
`Reconfigurable Flight Control for a Tailless Advanced Fighter Aircraft
`J. Brinker and K. Wise ........................................................................................................................ 75
`Direct Adaptive Reconfigurable Control of a Tailless Fighter Aircraft
`A, Calise, S. Lee, and M. Sharma ..... : ...... t ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 88
`Control Allocation Approaches
`D. Enns ............................................................................................................................................... 98
`Parameter Identification for Systems with Redundant Actuators
`M. Elgersma, D. Enns, S. Shald, and P. Voulgaris ........................................................................... 109
`Stability Analysis of Reconfigurable and Gain Scheduled Flight Control Systems Using LMls
`·K. Wise and J. Sedwick .................................................................................................................... 118
`Reconfigurable Flight Control on Sliding Modes Addresing Actuator Deflection
`and Deflection Rate Saturation
`Y. Shtessel, J. Buffington, M. Patcher, P. Chandler, and S. Banda .................................................. 12
`
`98-4110
`
`98-4111
`
`98-4112
`
`Session 3-GNC-3 Missile Guidance I
`98-4113
`Angle of Attack Guidance via Robust Approximate Inversion
`M. Innocenti, G. Carnasciali, and F. Nasuti. ..................................................................................... 138
`A New Missile Guidance Algorithm Against a Maneuvering Target
`F. lmado, T. Kuroda, and M.-J. Tahk ................................................................................................. 14
`Guidance-Law Synthesis for Interception and Rendezvous
`C.-C. Yang, C.-D. Yang, and H.-Y. Chen .................•........................................................................ 154
`Optimal Guidance of Modified Proportional Navigation
`F.-K. Hsu and P.-J. Yuan .................................................................................................................... NA
`A Composite Guidance Strategy for Three-Dimensional Air-to-Surface Missiles
`0.-R. Taur and J.-S. Chern .........................................................................................
`An Iterative Numerical Method for a Class of Quantitative Pursuit-Evasion Games
`M.-J. Tahk, H. Ryu, and J.-G. Kim ........................ , ........................................................................... 175
`
`98-4114
`
`98-4115
`
`98-4116
`
`98-4117
`
`98-4118
`
`................... 16
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`WCF-Withdrawn
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`Space Exploration Technologies; NEW PETITION
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`Page 3 of 22
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`

`
`98-4120
`
`98-4121
`
`98-4122
`
`98-4123
`
`98-4124
`
`Session 4-GNC-4 Guidance and Control of Aerospace Vehicles
`98-4119
`Reusable Launch Vehicle Guidance and Control Using Subspace Stabilization Control Techniques
`C. Tournes and C. Johnson .............................................................................................................. 183
`Re-entry and Terminal Guidance for Vertical-Landing TSTO (Two-Stage-to-Orbit)
`Y. lshijima, S. Matsumoto, and K. Hayashi. ...................................................................................... 192
`Robust Nonlinear Model Predictive Control for Agile Interceptor Missiles
`R. Mehra, M. Gopinathan, and P. Sistu ............................................................................................ 201
`Minim~m-fuel Trajectory along Entire Flight Profile for a Hypersonic Vehicle with Constraint
`H. Morimoto and J. Chuang ............................................................................................................. 21,2
`Aircraft Guidance and Control Using Subspace Stabilization Control Techniques
`C. Tournes and C. Johnson .............................................................................................................. 225
`Formation Flight as a Cooperative Game
`M. Anderson and A. Robbins ........................................................................................................... ~'/;#
`.
`Space Robotics
`Session 5-GNC-5
`98-4125
`3-D Guidance and Navigation of Mobile and Flying Robot Using Fuzzy Logic
`J. Sasiadek and Q. Want ................................................................................................................ ~ ~5"°
`Experiments on Space Robot Path Planning Using the Sensors Database, Part II
`T. Iwata, S. Ueno, and H. Murakami ................................................................................................ 252
`Planning Paths Through Singularities in the Center of Mass Space
`W. Doggett, W. Messner, and J.-N. Juang ....................................................................................... 261
`Attitude Control of a Space Robot Using the Nonholonomic Structure
`K. Matsuda, Y. Kanemitsu, and S. Kijimoto ...................................................................................... 27
`
`98-4126
`
`98-4127
`
`98-4128
`
`~9~4129
`
`98-4130
`
`~a~~~~~r~:~r ~~e~~l:;,d a~~~~~i~I~ ~i-~.~~'..~.~~~~~~~-~~~~~---~--~~~~~~~~'.~~-~~~~-~~\l·~tt"::;
`-
`Dynamics of Tethered Multi body Systems with Friction and Impact
`S. Matunaga, 0. Mori, and Y. Ohkami ............ ~ ................................................................................ ~7-~
`
`98-4132
`
`Session 6-GNC-6 Robust Control
`Robust Command Augmentation System Design Using Genetic Search Methods
`98-4131
`G. Sweriduk, P. Menon, and M. Steinberg ....................................................................................... _ 2.. f.~
`Robust Flight Controller Design Using H00 Loop-Shaping and Dynamic Inversion Techniques
`Z. Smit and I. Craig ..................................................................... , .................................................... 305
`Design of Flight Control Laws for a Civil Aircraft Using µ-Synthesis
`S. Bennani and G. Looye ................................................................................................................. 314
`A "Modern" Look at Gain and Phase Margins: An HcxJµ Approach
`G. Deodhare and V. Patel ................................................................................................................. 325
`Parameterization of Model Validating Sets for Uncertainty Bound Optimizations
`K. Lim and D. Giesy ......................................................................................................................... 33
`Practical Upper and Lower Bounds for Robust !lf2 Performance Under LTI Perturbations
`J. Tierno and S. Glavaski ................................................................................................................. 347
`
`98-4133
`
`98-4134
`
`98-4135
`
`98-4136
`
`
`
`Session 7-GNC-7 Optimal and Adaptive Control of Flexible Structures
`98-4137
`
`98-4138
`
`98-4139
`
`An Analysis of the Expected Residual Vibration of Input Shaping Designs
`L. Pao and M. Lau ............................................................................................................................ 354
`Robust Control Design for a Flexible Manipulator Using Hoofµ Synthesis
`K. Abdel-Motagaly and T. Alberts ...................................................................................................... 365
`Electrostatic Control of a Membrane Using Adaptive Feedback Linearization
`D. Scharf, D. Hyland, and P. Washabaugh ...................................................................................... 37
`98-4140 Output Feedback Variable Structure Adaptive Control of a Flexible Spacecraft
`Y. Zeng, A. Arujo, and S. Singh ........................................................................................................ 383
`
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`

`
`98-4141
`
`98-4142
`
`Optimal Control Procedure for Large Space Structures by Using Functional Analysis
`S. Suda and H. Fujii ......................................................................................................................... 394
`Robust Optimal Controllers for Active Flutter Suppression
`A. Tewari .......................................................................................................................................... _39g.
`
`98-4198
`
`98-4199
`
`Session 17-GNC-8 Artificial Intelligence Applications Cambridge
`98-4197
`A Coevolutionary Minimax Solver and Its Application to Autopilot Design
`C.-S. Park and M.-J. Tahk ................................................................................................................ 408
`Integrated Fuzzy/H00 Control for Turbofan Engines
`C.-F. Lin and J. Ge ........................................................................................................................... 416
`Reduction of Sensors for Forebody VFC Using Fuzzy Logic Based Control
`J. Suzuki and J. Valasek ................................................................................................................... 421
`98~4200 Synthesis of Adaptive Fuzzy Logic Controllers with Control Rate and Amplitude Limits
`J. Prasad and T.-Y. Jiang .................................................................................................................. 429
`An Improved Neural-Network Flight Mode Interpreter
`D. Smith, D. Ward, and T. Nguyen ................................................................................................... 438
`A Multi-Agent Control System Framework for Smart Structures
`V. Sahasrabudhe and A. Mehra ........................................................................................................ 449
`Airborne Joint Intentions Network
`D. Rock and P. Erway ....................................................................................................................... 460
`
`98-4201
`
`98-4202
`
`98-4203
`
`98-4205
`
`98-4206
`
`98-4207
`
`98-4208
`
`Session 18-GNC-9 Nonlinear Flight Control
`98-4204
`Nonlinear Control Using Forebody Tangential Blowing
`Y. Takahara and S. Rock .................................................................................................................. 471
`High Angle of Attack Control Law Design and Analysis Using Non-linear Bifurcation Methods
`D. Littleboy and Y. Patel ................................................................................................................... 482'
`A Feedback Linearisation Based Nonlinear Controller Synthesis to Recover an Unstable Aircraft
`from Poststall Regime
`A. Saraf, G. Deodhare, and D. Ghose ............................................................................................. 493
`Precision Approach with Curved Flight Path and Accurate Time of Arrival
`A. Naghash and D. Enns .................................................................................................................. 503
`Robust Nonlinear Dynamic Inversion Method for an Aircraft Motion Control
`M. Goman and E. Kolesnikov ........................................................................................................... 511
`98-4209 Output Feedback Variable Structure Adaptive Control of an Aeroelastic System
`Y. Zeng and S. Singh ........................................................................................................................ 522
`Nonlinear Integrated Steering and Control of Flight Vehicles
`D. Li and E. Poh ............................................................................................................................... 533
`Energy Approach to Flight Control
`A. Kurdjukov, G. Natchinkina, and A. Shevtchenko .......................................................................... 543
`
`98-4210
`
`98-4211
`
`S~ssion 19-GNC-10 Missile Guidance II Charles River
`98-4212
`Nonlinear H00 Robust Guidance Law for Homing Missiles
`H.-Y. Chen and C.-D. Yang ............................................................................................................... 554
`98-4213 Optimal Mid-Course Guidance of Variable Flow Ducted Rocket Missiles
`T. Kuroda, S. Mihara, H. Matsuda, R. Hirokawa, and F. Imada ....................................................... 563
`An Approximate Target Adaptive Guidance for IR Homing
`P. Kim, B.-E. Jun, and H. Cho .......................................................................................................... WD
`Simple Guidance Law Against Highly Maneuvering Targets
`P. Gurfil, M. Jodorkovsky, and M. Guel man ..................................................................................... 570
`Three-Dimensional Zero-Lag LOS Guidance of BR/CLOS Missiies
`D.-R. Taur and J.-S. Chern ............................................................................................................... 581
`
`98-4214
`
`98-4215
`
`98-4216
`
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`

`
`98-4217 Gaussian Second-Order Filter for Proportional Navigation of Exoatmospheric Interceptors
`with Angles-Only Measurements
`H. Hablani ......................................................................................................................................... 592
`
`98-4219
`
`98-4220
`
`98-4221
`
`Session 20-GNC-11 Optimization Techniques and Applications
`98-4218
`Linear Time-Varying Dynamic Systems Optimization via Higher-Order Method
`Using Shifted Chebyshev's Polynomials
`X. Xu and S. Agrawal ....................................................................................................................... 607
`An Integrated Dynamics Approach for Optimal Control
`R. Hull and J. Cloutier ...................................................................................................................... 614
`Optimization of Supersonic Transport Trajectories
`M. Ardema, and R. Windhorst .......................................................................................................... 622
`Application of Neural Networks to Transport Performance Optimization
`C.-F. Lin, J. Ge, T. Yu, and G. Gilyard .............................................................................................. 63
`Costate Estimation by a Legendre Pseudospectral Method
`F. Fahroo and I. Ross ....................................................................................................................... 643
`Fast and Accurate Integration of Launcher Trajectory Applied to Trajectory Optimization
`P. Augros and L. Perrot. .................................................................................................................... 654
`
`98-4222
`
`98-4223
`
`98-4225
`
`Session 21-GNC-12 Spacecraft GN & CI
`98-4224
`Cassini Maneuver Experience: Launch and Early Cruise
`T. Goodson, D. <;3ray, Y. Hahn, and F. Peralta .................................................................................. 665
`A Hierarchical Coordination Scheme for Satellite Formation Initialization
`R. Beard, W. Stirling, and R. Frost ................................................................................................... 677
`98-4226 Optimal Formation-Reconfiguration for Multiple Spacecraft
`P. Wang and F. Hadaegh .................................................................................................................. 686
`A New Magnetometer Calibration Algorithm and Applications
`M. Challa and R. Harman ................................................................................................................. 697
`A Novel Sensor for Attitude Determination Using Global Positioning System Signals
`J. Crassidis, D. Quinn, F. Markley, and J. McCullough .................................................................... 708
`Dynamic Feedback Linearizing Attitude Control of Spacecraft with Uncertain Dynamics
`Y. Zeng and S. Singh ........................................................................................................................ 718
`
`98-4227
`
`98-4228
`
`98-4229
`
`98-4231
`
`Session 22-GNC-13 Adaptive and Fault Tolerant Control
`98-4230
`Nonlinear Adaptive Flight Control with a Backstepping Design Approach
`M. Steinberg and A. Page ................................................................................................................ 728
`Stable Adaptive Fault-Tolerant Control of Overactuated Aircraft Using Multiple Models,
`Switching and Tuning
`J. Boskovic, S.-H. Yu, and R. Mehra ................................................................................................ 739
`Robust Variable Structure Controller Design for Fault Tolerant Flight Control
`D. Kim and Y. Kim ............................................................................................................................. 750
`H00 State Feedback Control for Continuous-Time Active Fault Tolerant Control Systems
`J. Ge and C.-F. Lin ........................................................................................................................... 760
`Automatic Closed-Loop Identification and Robust Control Synthesis
`X. Feng, C.-F. Lin, T.-J. Yu, and M. Whorton .................................................................................... 765
`Constrained Model Predictive Control of a Nonlinear Aerospace System
`C. Shearer and S. Heise .................................................................................................................. 772
`
`98-4232
`
`98-4233
`
`98-4234
`
`98-4235
`
`Session 23-GNC-14 Collision Avoidance for ATM
`98-4236
`
`98-4237
`
`The GEARS Conflict Resolution Algorithm
`R. Irvine ............................................................................................................................................ 786
`Using Intent Information in Probabilistic Conflict Analysis
`L. Yang and J. Kuchar ...................................................................................................................... 797
`
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`
`98-4238
`
`98-4239
`
`98-4240
`
`98-4241
`
`98-4242
`
`A Methodology for the Performance Evaluation of a Conflict Probe Tool
`K. Bilimoria ......................................................................................................................................... NA
`Conceptual Design of Free Flight with Airborne Separation Assurance
`J. Hoekstra, R. van Gent, and R. Ruigrok ......................................................................................... 807
`A Review of Different Approaches Based on Force· Fields for Airborne Conflict Resolution
`K. Zeghal .......................................................................................................................................... 818
`Aircraft Collision Avoidance Trajectory Generation
`T. Ota, M. Nagati, and D.-C. Lee ...................................................................................................... 828
`Evaluation of Vertical Collision Avoidance Maneuvers for Parallel Approach
`L. Winder and J. Kuchar ................................................................................................................... 838
`
`98-4244
`
`98-4245
`
`98-4246
`
`98-4247
`
`98-4248
`
`Session 24-GNC-15 European and American Robust Flight Control
`98-4243
`The GARTEUR High Incidence Research Model (HIRM) Benchmark Problem
`E. Muir .............................................................................................................................................. 846
`Robust Flight Control Design for the HIRM via Linear Quadratic Methods
`F. Amato, M. Mattei, S. Scala, and L. Verde .................................................................................... 857
`Nonlinear Dynamic Inversion and Linear Quadratic Techniques
`B. Escande ....................................................................................................................................... 868
`HIRM Design of a Robust, Scheduled Controller Using µ-Synthesis
`J. Markerink ...................................................................................................................................... 878
`Eigenstructure Assignment Applied to the F-117 A
`R. Colgren ......................................................................................................................................... 889
`Synthesis and Analysis of Dynamic Inversion and LPV Tailless Flight Control Law Designs
`J. Buffington, A. Sparks, and D. Leggett .......................................................................................... 900
`Autonomous Control for Subsonic Flight of the X-38
`J. Bain and J. Sunkel ........................................................................................................................ 909
`
`98-4567
`
`.
`Session 35-GNC-16 ATM Human Factors and Operational Procedures
`98-4289
`An Analysis of the Effects of Data Link Equipment Rates and Facility Differences
`on En Route Voice Communications
`M. Rogers, W. Colligan, and D. Embt .............................................................................................. 923
`98-4290 GUI Design for Tower and Terminal ATC Co-operation
`K. Shiomi, Y. Katsuyama, R. Otsuka, and T. Hiwada ....................................................................... 934
`Identification of Flow Constraint and Control Points in Departure Operations at Airport Systems
`H. Idris, B. Delcaire, I. Anagnostakis, W. Hall, N. Pujet, E. Feron, R. Hansman,
`J.-P. Clarke, and A. Odoni ................................................................................................................ 947
`New Approach to the Planning and Control of Air Traffic in the Terminal Area
`H. Idris and R. Simpson ................................................................................................................... 957
`Air Traffic Control Automation System Sensitivity to Storm Forecasting Errors
`R. Bortins and G. Hunter .................................................................................................................. 971
`Study of In-Flight Replanning Decision Aids
`T. Fan, D. Hyams, and J. Kuchar ..................................................................................................... 980
`
`98-4291
`
`98-4292
`
`98-4293
`
`98-4294
`
`Session 36-GNC-17 H-infinity Flight Control
`98-4295
`Integrated Flight and Propulsion Control System Design, via~ Loop Shaping and Partitioning
`I. Postlethwaite and D. Bates ........................................................................................................... 989
`.
`H00 Control for Turbofan Engines
`C.-F. Lin and J. Ge ........................................................................................................................... 999
`Integrated Flight and Aeroelastic Control of a Flexible Transport Aircraft
`M. Hanel ......................................................................................................................................... 1002
`An LPV Controller for a Tailless Fighter Aircraft Simulation
`J. Protz and A. Sparks .................................................................................................................... 1012
`
`98-4296
`
`98-4297
`
`98-4298
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`
`98-4299
`
`98-4300
`
`98-4301
`
`Robust Aircraft Control Design for Glideslope Capture in Windshear Using Gain Scheduling
`S.-P. Shue, R. Agarwal, and P. Shi .................................................................................................... NA
`Design and Flight Testing of an H00 Controller
`for the NRC Bell 205 Experimental Fly-By-Wire Helicopter
`A. Smerlas, I. Postlethwaite, D. Walker, M. Strange, J. Howitt, R. Horton,
`A. Gubbels and S. Baillie ................................................................................................................ 1023
`Robust Lateral/Directional Control for High Altitude Aircraft
`C.-F. Lin, J. Ge, and J. Burken ....................................................................................................... 1034
`
`98-4304
`
`Session 37-GNC-18 Missile Guidance Ill
`98-4302
`An Optimal Composite Guidance Strategy For Vertically Launched Anti-Skimmer RF Missiles
`D.-R. Taur and J.-S. Chern ............................................................................................................. 1039
`98-4303 On the Validity of Linearized Analysis in the Interception of Reentry Vehicles
`J. Shinar, T. Shima, and A. Kebke .................................................................................................. 1050
`Blended Homing·Guidance Law Using Fuzzy Logic
`P. Menon and V. lragavarapu ............................................................................................................ NA
`Exo-Atmospheric Intercept with J2 Correction
`D. Zes ............................................................................................................................................. 1061
`Fuzzy Missile Guidance Laws
`P. Creaser, B. Stacey, and B. White ............................................................................................... 1067
`98-4307 Midcourse Motor and KKV Divert Propellant Allocations for an Exo-atmospheric C Interceptor
`C. Phillips and S. Malyevac ............................................................................................................ 1072
`
`98-4305
`
`98-4306
`
`98-4309
`
`98-4310
`
`Session 38-GNC-19 Advanced FilteringTechniques
`98-4308
`Autonomous LEO Orbit Determination from Magnetometer and Sun Sensor Data
`M. Psiaki ......................................................................................................................................... 1086
`A Generalized Approach to ~he Problem of Qistributed Kalman Filtering
`V. Tupysev ...................................................................................................................................... 1097
`Extension of Kalman Filter Theory to Nonlinear Systems with Application to Wing Roel< Motion
`S.-P. Shue, R. Agarwal, M. Sawan, and K. Rokhsaz ................ .................................................... 1117
`The Effects of Delayed Sensor Requests on Sensor Manager Systems
`L. Pao and M. Kalandros ................................................................................................................ 1127
`The Use of Pseudo-Linear and SDARE Filtering for Satellite Angular-Rate Estimation
`R. Harman and I. Bar-ltzhack ......................................................................................................... 1136
`Adaptive Two-Step Filter with Applications to Bearings-Only Measurements Problem
`Z. Di and M. Chundi ........................................................................................................................ 1145
`
`98-4311
`
`98-4312
`
`98-4313
`
`Session 39-GNC-20 Experimental Methods in Control of Flexible Structures
`.
`.
`98-4314
`Experimental Evaluation of the Torque Shaping Method for Slew Maneuver of Flexible Space Structures
`J. Suk, Y. Kim, and H. Bang ........................................................................................................... 1151
`98-4315 Multivariable Control of Flexlab Using Experimentally Determined Models
`T. Adami and D. Irwin ...................................................................................................................... 1162
`Flexible Structure Model "Construction" for Control System Design
`B. Madelaine and D. Alazard .......................................................................................................... 1165
`Experimental Study on Control of Tethered Subsatellite System in the Rotational Field
`H. Fujii and N. Koga ........................................................................................................................ 1176
`Dynamics of Piezoactuators and Piezosensors in Flexural Vibrations
`A. Yousefi-Koma and G. Vukovich .................................................................................................. 1182
`98-4319 MACE II: A Space Shuttle Experiment for Investigating Adaptive Control of Flexible Spacecraft
`K. Denoyer, D. Hyland, L. Davis, and D. Miller ............................................................................... 1191
`
`98-4316
`
`98-4317
`
`98-4318
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`
`Session 40-GNC-21 Nonlinear Control
`98-4320
`Nonlinear H00 Method for Control of Uncertain Wing Rock Motions
`S.-P. Shue, P. Shi, R. Agarwal, and M. Sawan ............................................................................... 1197
`Nonlinear Optimal Control Design of a Missile Autopilot
`T. Mclain and R. Beard .................................................................................................
`Stability Analysis of Dynamic Inversion Controllers Using lime-Scale Separation
`C. Schumacher, P. Khargonekar, and N. McClamroch ................................................................... 1217
`Dynamic Inversion to Control Large Flexible Transport Aircraft
`I. Gregory ........................................................................................................................................ 1224
`Reduced Sensitivity Nonlinear Control of an Aeroelastic Wing with Torsional Nonlinearity
`R. Rogers ........................................................................................................................................ 1233
`Sub-Optimal Nonlinear Adaptive State Filtering
`R. Williams Jr. and A. Parlos .......................................................................................................... 1239
`
`98-4321
`
`98-4322
`
`98-4323
`
`98-4324
`
`98-4325
`
`~
`
`. 1209
`
`Session 41-GNC-22 Spacecraft GN & C II
`98-4326 Qualification of the International Space Station Rate Gyro Assembly
`K. Stewart ....................................................................................................................................... 1250
`Neural Net Approach to Star Tracker Spatially Dependent Noise Cancellation
`R. Welch and A. Wu .......................................................................................................................... NA
`lime-Optimal Control of Axi-Symmetric Rigid Spacecraft
`H. Shen