Structure design of an innovative adaptive variable camber wing

Wind Tunnel Investigation of a Flexible Wing High-Lift Configuration with a Variable Camber Continuous Trailing Edge Flap Design

Nhan T. Nguyen a NASA Ames Research Center, Moffett Field, CA 94035 Nathan Precup b and Eli Livne c University of Washington, Seattle, WA 98195 James Urnes, Sr. d Boeing Research & Technology, St. Louis, MO 63134 Eric Dickey e Boeing Research & Technology, Huntington Beach, CA Chester Nelson f Boeing Commercial Airplanes, WA 98124 Jonathan Chiew g Stanford University, Stanford, CA 94305 David L...

design of an analog fuzzy logic controller chip

fuzzy logic has been developed over the past three decades into a widely applied techinque in classification and control engineering. today fuzzy logic control is one of the most important applications of fuzzy set theory and specially fuzzy logic. there are two general approachs for using of fuzzy control, software and hardware. integrated circuits as a solution for hardware realization are us...

Topological Optimization of Compliant Adaptive Wing Structure

Load-path-based topology optimization is used to synthesize a compliant adaptive aircraft wing leading edge, which deforms in a prescribed way when subject to a single point internal actuation. The load-path-based optimization method requires the specification of a parent lattice. Increasing the complexity of this lattice means the number of parameters required for a complete representation of ...

Variable Structure Adaptive Backstepping Controller

This paper presents a Variable Structure Adaptive Backstepping Controller (VS-ABC) for plants with relative degree one, using only input/output measurements. Instead of traditional integral adaptive laws for estimating the plant parameters, switching laws are used to increase robustness to parametric uncertainties and disturbances, as well as, to improve transient response. Moreover, the contro...

An Adaptive Variable Structure Control Law for Sensorless Induction Motors