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eess.SY2023★ 6 cited
Output tracking based on extended observer for nonlinear uncertain systems
Xinhua Wang, Zengqiang Chen, Zhuzhi Yuan
A high-gain extended observer is designed for a class of nonlinear uncertain systems. This observer has the ability of estimating system uncertainty, and it can be used to estimate…
eess.SY2015★ 46 cited
Modeling and control of an agile tail-sitter aircraft
Xinhua Wang, Zengqiang Chen, Zhuzhi Yuan
This paper presents a model of an agile tail-sitter aircraft, which can operate as a helicopter as well as capable of transition to fixed-wing flight. Aerodynamics of the co-axial…