Command switching based multiobjective safety protection control for inlet buzz of scramjet engine
Command switching based multiobjective safety protection control for inlet buzz of scramjet engine
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DOI：
10.1016/j.jfranklin.2015.08.020
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发表时间：
2015-11
期刊：
影响因子：
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通讯作者：
Yiwen Qi;W. Bao;Qingxin Zhang;R. Cao
中科院分区：
文献类型：
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作者：
Yiwen Qi;W. Bao;Qingxin Zhang;R. Cao
研究了一类超燃冲压发动机进气道嗡鸣安全防护问题。提出了一种基于指令切换的多目标安全保护控制方法。具体而言，首先建立了面向控制的一维超燃冲压发动机模型，包括稳态和动态模型以及进气道嗡鸣特性分析。其次，建立了超燃冲压发动机进气道嗡鸣安全保护指令切换控制的问题求解框架，通过该框架可以调整给定指令的轨迹，以达到性能与安全之间的平衡。然后，在此框架下，利用保性能和区域极点配置技术，设计了一个多目标鲁棒控制器，以保证安全保护的输出跟踪要求。根据超燃冲压发动机的实际工作机理，设计了迟滞指令切换逻辑。最后，以超燃冲压发动机控制模型为例，验证了所提出的整体控制方法的有效性。
This paper investigates the problem of inlet buzz safety protection for a class of scramjet engine. A command switching based multiobjective safety protection control (CS-MSPC) method is proposed. Specifically, first, a control-oriented one-dimensional scramjet modeling is presented, including the steady-state and dynamic modeling as well as the characteristics analysis of inlet buzz. Second, the problem-solving framework of command switching control for scramjet inlet buzz safety protection is constructed, by which the trajectories of the given command can be adjusted to strike the right balance between performance and safety. Then, under the framework, a multiobjective robust controller is designed to guarantee the output tracking requirement of safety protection by using guaranteed cost and regional pole placement techniques. Moreover, based on the actual working mechanism of scramjet, a hysteresis command switching logic is developed. Finally, the scramjet engine control model is employed to demonstrate the effectiveness of the proposed whole control method.