Delta Ground Track Command of Carrier-Based Aircraft Landing
In response to the difficulty of lateral control for carrier-based aircraft landing,a novel landing control method,namely delta ground track command,is proposed based on the advanced concept of MAGIC CARPET carrier landing from the US Navy.Firstly,the control structures and landing performance of lateral conventional control and delta ground track command are analyzed theoretically.Then,improvements are made to the HUD display symbols.Finally,the land-ing control effects of these two methods are compared through real-time human-in-the-loop simulation.The results show that delta ground track command has three advantages:(1)Simplicity:reducing the pilot's control frequency and burden;(2)Intuitive:Landing lateral control is more intuitive,with the lateral stick displacement being directly proportional to the aircraft's lateral deviation correction rate,and the aircraft can automatically track the lateral drift of the runway centerline when the lateral stick returns to the center;(3)Robust:it is significant to improve the ability to suppress crosswind and ship air wake.It is recommended to apply delta ground track command during carrier landing engineering.
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