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Design, analysis and control of large transports so that control of engine thrust can be used as a back-up of the primary flight controls
| 题名： | Design, analysis and control of large transports so that control of engine thrust can be used as a back-up of the primary flight controls |
| 作者： | Roskam, Jan; Ackers, Deane E.; Gerren, Donna S. |
| 关键词： | control；sports；analysis；transport；design；engine；prima；rust；that；large |
| 摘要： | A propulsion controlled aircraft (PCA) system has been developed at NASA Dryden Flight Research Center at Edwards Air Force Base, California, to provide safe, emergency landing capability should the primary flight control system of the aircraft fail. As a result of the successful PCA work being done at NASA Dryden, this project investigated the possibility of incorporating the PCA system as a backup flight control system in the design of a large, ultra-high capacity megatransport in such a way that flight path control using only the engines is not only possible, but meets MIL-Spec Level 1 or Level 2 handling quality requirements. An 800 passenger megatransport aircraft was designed and programmed into the NASA Dryden simulator. Many different analysis methods were used to evaluate the flying qualities of the megatransport while using engine thrust for flight path control, including: (1) Bode and root locus plot analysis to evaluate the frequency and damping ratio response of the megatransport; (2) analysis of actual simulator strip chart recordings to evaluate the time history response of the megatransport; and (3) analysis of Cooper-Harper pilot ratings by two NaSA test pilots. |
| 报告类型： | 科技报告 |
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