Distributed, Passivity-Based, Aeroservoelastic Control (DPASC) of Structurally Efficient Aircraft in the Presence of Gusts

Period of Performance: 05/06/2015 - 05/05/2017


Phase 2 STTR

Recipient Firm

TAO of Systems Integration, Inc.
1100 Exploration Way
Hampton, VA 23666
Firm POC, Principal Investigator

Research Institution

The Texas A&M Engineering Experiment Station
400 Harvey Mitchell Parkway South, Suite 300
College Station, TX 77845
Institution POC


Control of extremely lightweight, long endurance aircraft poses a challenging aeroservoelastic (ASE) problem due to significantly increased flexibility, and aerodynamic, structural, and actuator nonlinearities. To obtain the benefits of increased aerostructural efficiency, the controller needs to trim at a specified optimal shape while minimizing structural fatigue from gust disturbances. Tao Systems, Texas A&M University and University of Minnesota propose to develop a distributed, passivity-based, ASE controller (DPASC) using sectional aerodynamic and structural output-only feedback. This scalable approach has the potential to minimize the impact of aerodynamic / structural uncertainties and control surface free-play / saturation, while guaranteeing global asymptotic stability.