Adaptive Control Law Design for Model Uncertainty Compensation
Abstract
Disturbance Accommodating Control principles were applied to the design of a baseline aerospace flight control system. The resulting DAC controller designs were evaluated in terms of their ability to maintain an ideal model response when the closed loop system was subjected to significant uncertainties. These uncertainties included parameter perturbations, external disturbances, and unmodelled dynamics. The DAC designs were compared to other adaptive techniques, including Self-Tuning Regulator and Model Reference Adaptive Control concepts. These designs were also compared to a classical Proportional-Integral-Derivative controller. All of the adaptive controller designs were judged relative to each other and relative to the PID design, in terms of performance, design, complexity, and confidence of operation (reliability). In every case the controllers designed using Dynetics innovative approach were able to equal or surpass the STR and MRAC controllers in terms of performance robustness while preserving a linear time-invariant implementation structure.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 14, 1989
- Accession Number
- ADA211712
Entities
People
- J. E. Sorrells