Model Development and Model-Based Control Design for Nonlinear Smart Composite Systems

摘要

This program focused on the development of physics-based models, highly efficient numerical approximation techniques, parameter estimation algorithms, and model-based control techniques for shape memory alloys and polymers, electroactive polymers, magnetic actuators, and PZT-based actuators and sensors that provide unique transducer capabilities for Air Force applications. In the modeling and simulation component, energy and statistic- based techniques were used to characterize hysteresis, constitutive nonlinearities, and complex dynamics in a manner that facilitates device and control design. The emphasis in the control component focused on the development of robust linear and nonlinear algorithms that permit real-time implementation while achieving stringent stabilization and tracking specifications.