국내 최대 기계 및 로봇 연구정보

기술보고서

기술보고서 게시판 내용
타이틀	Design of Life Extending Controls Using Nonlinear Parameter Optimization
저자	Carl F. Lorenzo, Michael S. Holmes, and Asok Ray
Keyword	Life extending control; Damage; Damage mitigation; Nonlinear optimization
URL	http://gltrs.grc.nasa.gov/reports/1998/TP-3700.pdf
보고서번호	NASA TP-3700
발행년도	1998
출처	NASA Glenn Research Center
ABSTRACT	This report presents the conceptual development of a life extending control system where the objective is to achieve high performance and structural durability of the plant. A life extending controller is designed for a reusable rocket engine via damage mitigation in both the fuel and oxidizer turbines while achieving high performance for transient responses of the combustion chamber pressure and the O2/H2 mixture ratio. This design approach makes use of a combination of linear and nonlinear controller synthesis techniques and also allows adaptation of the life extending controller module to augment a conventional performance controller of a rocket engine. The nonlinear aspect of the design is achieved using nonlinear parameter optimization of a prescribed control structure.