OPTIMAL RECOVERY FROM MICROBURST WIND SHEAR

作     者：MULGUND, SS STENGEL, RF 

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.