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基于圆判据的超空化航行器状态反馈控制研究 被引量:3

A Simple but Practicable State Feedback Control Method for Supercavitating Vehicle Using Circle Criterion
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摘要 超空化航行器由于航行过程中大部分被空泡包裹,必然面临着航行器与空泡剧烈非线性滑行力带来的稳定控制困难。适当设计的线性控制律一般可得到航行器高频有限振幅振荡运动或阻尼振荡运动的控制结果:而在反馈中引入非线性,虽控制结果理想,但要求对滑行力精确可知,这在实际情况下很难做到。针对以上问题,文章以Dzielski提出的超空化航行器模型为研究对象,基于圆判据定理通过线性状态反馈方法,使航行器系统对所有非线性滑行力特性达到全局绝对稳定。文中首先对原模型进行变换和局部抽取,使之适用于圆判据定理的应用条件;接着给出了通过极点配置方法构建线性状态反馈控制律而达到系统绝对稳定的条件;最后结合系统参数,分析了系统局部和全局绝对稳定情况下稳定域的估计,并给出了仿真验证。 Aim.The two control methods proposed by John Dzielski et al in Ref.2 are,in our opinion,both not practicable.Using Ref.2 s model,we propose a control method that is simple but practicable.Section 1 of the full paper briefs circle criterion and that,if any one of three sets of conditions are satisfied,the system is absolutely stable according to the circle criterion.Subsection 2.1,through transformation,converts eq.(2),which corresponds to Ref.2 s model,into eq.(6),which is suitable for circle criterion.Sect...
作者 范辉 张宇文
出处 《西北工业大学学报》 EI CAS CSCD 北大核心 2009年第5期694-700,共7页 Journal of Northwestern Polytechnical University
关键词 状态反馈 控制 超空化航行器 圆判据 state feedback control supercavitating vehicle circle criterion
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参考文献8

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同被引文献34

  • 1王成元,夏加宽,孙宜标,现代电机控制技术[M].北京:机械工业出版社,2012.
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