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Yankai Li, Yulong Huang, Dongping Li, Yuan Sun, Han Liu and Yongze Jin
In this paper, we propose an output feedback flight tracking control scheme for helicopter attitude and altitude systems with unmeasured states under full state constraints. Firstly, a state observer is constructed based on the measured output signals, w...
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Yankai Li, Yulong Huang, Han Liu and Dongping Li
In this paper, a full state-constrained anti-disturbance dynamic surface control method is proposed for six-degree-of-freedom unmanned helicopter systems under full state constraints and disturbances. Firstly, due to the underactuated characteristics of ...
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Yankai Liu, Mengjun Chen, Wei Li and Bingchuan Cheng
The safe thickness of concrete retaining walls for curtain grouting on tunnel faces is an essential factor related to tunnel safety and grouting effects. In this research, the concrete retaining wall was simplified into a standard rectangular slab struct...
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