Damage mitigating control of a reusable rocket engine: Part 2- Formulation of an optimal policy
Damage mitigating control of a reusable rocket engine: Part 2- Formulation of an optimal policy
The goal of damage-mitigating control in reusable rocket engines is to achieve high performance without overstraining the mechanical structures; and the major benefit is an increase in structural durability with no significant loss of performance. This two-part paper investigates the feasibility of damage-mitigating control of the Space Shuttle Main Engine (SSME). This paper synthesizes an optimal policy for open loop control of up-thrust transients of the SSME. Optimization is based on the integrated model of plant, structural and damage dynamics under fatigue and creep damage constraints in the critical plant components. The results are presented to demonstrate the potential of life extension of reusable rocket engines via damage mitigating control. The concept of damage mitigation, as presented in this paper, is not restricted to control of rocket engines. It can be applied to any system where structural durability is an important issue.
Dokumentinformationen
Damage mitigating control of a reusable rocket engine: Part 2- Formulation of an optimal policy
Eine Beschädigungsüberwachung an einem wiederverwendaren Raketentriebwerk: Teil 2- der Ansatz für einen optimalen Betrieb
ASME International Mechanical Engineering Congress and Exhibition, 1994, Dynamic Systems and Control, 1994 ; 1075-1081
ASME/DSC ; 55-2
1994
7 Seiten, 5 Bilder, 2 Tabellen, 14 Quellen
Aufsatz (Konferenz)
Englisch
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