Fixed-Time Sliding-Mode Reaching based Trajectory Tracking Control of Unmanned Underwater Vehicles
被引:4
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作者:
Ma Chuan
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机构:
Da Lian Maritime Univ, Engn Dept, Dalian, Peoples R China
Qing Dao Mariners Coll, Engn Dept, Qingdao, Peoples R ChinaDa Lian Maritime Univ, Engn Dept, Dalian, Peoples R China
Ma Chuan
[1
,2
]
Liu Yan Cheng
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机构:
Da Lian Maritime Univ, Engn Dept, Dalian, Peoples R ChinaDa Lian Maritime Univ, Engn Dept, Dalian, Peoples R China
Liu Yan Cheng
[1
]
机构:
[1] Da Lian Maritime Univ, Engn Dept, Dalian, Peoples R China
[2] Qing Dao Mariners Coll, Engn Dept, Qingdao, Peoples R China
For the fixed time trajectory tracking problem of unmanned underwater vehicles, a fixed time sliding mode reaching control law is proposed. The scheme combines the fixed time control strategy with the variable-gain sliding mode reaching control law together to guarantee the fixed time stability of the closed-loop system and fixed time convergence of signals. The chattering problem caused by sliding mode control gain is effectively suppressed. Numerical simulations demonstrate that the proposed control scheme can provide the control performance of finite time control, and a further improvement on system fast convergence is also provided.
机构:
MOT, Tianjin Res Inst Water Transport Engn, Tianjin 300456, Peoples R ChinaMOT, Tianjin Res Inst Water Transport Engn, Tianjin 300456, Peoples R China
Li, Xiaosong
Li, Xiaochen
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MOT, Tianjin Res Inst Water Transport Engn, Tianjin 300456, Peoples R ChinaMOT, Tianjin Res Inst Water Transport Engn, Tianjin 300456, Peoples R China
Li, Xiaochen
Ma, Dianguang
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MOT, Tianjin Res Inst Water Transport Engn, Tianjin 300456, Peoples R ChinaMOT, Tianjin Res Inst Water Transport Engn, Tianjin 300456, Peoples R China
Ma, Dianguang
Kong, Xianwei
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MOT, Tianjin Res Inst Water Transport Engn, Tianjin 300456, Peoples R ChinaMOT, Tianjin Res Inst Water Transport Engn, Tianjin 300456, Peoples R China