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Flight-test of the glide-slope track and flare-control laws for an automatic landing system for a powered-lift STOL airplane
| 题名： | Flight-test of the glide-slope track and flare-control laws for an automatic landing system for a powered-lift STOL airplane |
| 作者： | Watson, D. M.; Hardy, G. H.; Warner, D. N., Jr. |
| 关键词： | track；control；glide；slope；power；ding；lift；light；atic；system |
| 摘要： | An automatic landing system was developed for the Augmentor Wing Jet STOL Research Airplane to establish the feasibility and examine the operating characteristics of a powered-lift STOL transport flying a steep, microwave landing system (MLS) glide slope to automatically land on a STOL port. The flight test results address the longitudinal aspects of automatic powered lift STOL airplane operation including glide slope tracking on the backside of the power curve, flare, and touchdown. Three different autoland control laws were evaluated to demonstrate the tradeoff between control complexity and the resulting performance. The flight test and simulation methodology used in developing conventional jet transport systems was applied to the powered-lift STOL airplane. The results obtained suggest that an automatic landing system for a powered-lift STOL airplane operating into an MLS-equipped STOL port is feasible. However, the airplane must be provided with a means of rapidly regulation lift to satisfactorily provide the glide slope tracking and control of touchdown sink rate needed for automatic landings. |
| 报告类型： | 科技报告 |
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