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内蒙古自治区呼和浩特市赛罕区大学西街235号 邮编: 010021
作者机构:Princeton University Princeton New Jersey 08544
出 版 物:《JOURNAL OF GUIDANCE CONTROL AND DYNAMICS》 (制导、控制和动力学杂志)
年 卷 期:1993年第16卷第6期
页 面:1010-1017页
核心收录:
学科分类:12[管理学] 1201[管理学-管理科学与工程(可授管理学、工学学位)] 08[工学] 0804[工学-仪器科学与技术] 0825[工学-航空宇航科学与技术]
基 金:Federal Aviation Administration FAA
主 题:Microburst Rate of Climb Elevator Deflection Elevator Transport Aircraft Trajectory Optimization Pilot Optimization Algorithm Feedback Control Aerodynamic Coefficients
摘 要:The flight path of a twin-jet transport aircraft is optimized in a microburst encounter during approach to landing. The objective is to execute an escape maneuver that maintains safe ground clearance, establishes a positive climb rate as soon as possible after the abort is triggered, and maintains an adequate stall margin during the climb out. A cost function penalizing rate of climb deviations from a nominal value and rate of elevator deflection produces qualitatively good results in a variety of microburst encounters. The optimal maneuver is a gradual pitch-up that ceases near the core of the microburst, followed by a slight reduction in pitch attitude in the tailwind area of the microburst. A minimum airspeed constraint in the optimization prevents excessive airspeed loss in very severe microbursts. The aircraft equations of motion include short-period dynamics, so that the optimization produces the control surface deflections required to achieve the optimal flight paths.