1.

Technical Paper
Technical Paper
1. Acoustic Flight Tests of Rotorcraft Noise-Abatement Approaches Using Local Differential GPS Guidance
Chen, Robert T. N. ; Hindson, William S. ; Mueller, Arnold W.
Pub. info.: NASA Technical Reports.  (NASA-TM-110370),  pp.1-38,  1995.  National Aeronautics and Space Adminstration
2.

Technical Paper
Technical Paper
2. Nonlinear Adaptive Control of Tiltrotor Aircraft Using Neural Networks
Rysdyk, Rolf ; Calise, Anthony J. ; Chen, Robert T. N.
Pub. info.: 1997 World Aviation Congress : SAE technical paper.  pp.1-8,  1997.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 1997
3.

Technical Paper
Technical Paper
3. Optimal Trajectories for the Helicopter in One-Engine-Inoperative Terminal-Area Operations
Zhao, Yiyuan ; Chen, Robert T. N.
Pub. info.: NASA Technical Reports.  19980017994  (NASA/TM-96-110400),  pp.1-36,  1996.  National Aeronautics and Space Adminstration