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摘要: 为中性浮力下的自主飞艇设计了一种非线性自适应控制器. 首先定义了一组新的误差, 包括飞艇的位形误差和速度误差, 然后建立了误差的系统模型. 通过Lyapunov直接法和Matrosov稳定性定理设计了误差系统的自适应控制器, 并证明了闭环误差系统是局部一致渐近稳定的. 仿真验证了控制效果.
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关键词:
- 非线性自适应控制 /
- Lyapunov方法 /
- Matrosov定理 /
- 自主飞艇 /
- 中性浮力
Abstract: This paper presents an adaptive nonlinear control solution to the horizontal motion of an autonomous airship. We define a novel family of error functions including configuration error and velocity error. Then, we establish the error system. The adaptive nonlinear controller stabilizing the error system is designed by Lyapunov direct method and Matrosov theorem. Numerical studies are presented to illustrate the effectiveness of the proposed controller.-
Key words:
- Adaptive nonlinear control /
- Lyapunov method /
- Matrosov theorem /
- autonomous airship /
- neutral buoyancy
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