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Sliding mode control of a reusable launch vehicle using sliding mode observers and gain adaptation.

机译:使用滑模观察器和增益自适应对可重复使用运载火箭进行滑模控制。

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In this work, a flight control system for a reusable launch vehicle during Terminal Area Energy Management (TAEM), approach and landing phases of flight is developed and then tested in a high fidelity, nonlinear six degree of freedom simulation. A new control algorithm based on multiple time scale Sliding Mode Control, driven by sliding mode disturbance observers using gain adaptation is designed. Comparisons with a classical, gain scheduled PID controller are made and considerable improvements in performance are shown. The developed Sliding Mode Control system has potential to improve vehicle safety and reliability through robustness to disturbances, and to decrease development and operational cost by reduced analysis time and improved launch availability.
机译:在这项工作中,开发了可重复使用的运载火箭在终端区域能量管理(TAEM),进场和着陆阶段的飞行控制系统,然后在高保真度,非线性六自由度仿真中进行了测试。设计了一种新的基于多时标滑模控制的控制算法,该算法由滑模扰动观测器利用增益自适应来驱动。与经典的增益计划PID控制器进行了比较,并显示了性能的显着提高。所开发的滑模控制系统有潜力通过增强对干扰的鲁棒性来提高车辆安全性和可靠性,并通过减少分析时间和提高发射可用性来降低开发和运营成本。

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