Journal
NONLINEAR DYNAMICS
Volume 101, Issue 1, Pages 419-438Publisher
SPRINGER
DOI: 10.1007/s11071-020-05778-1
Keywords
Overhead crane bridge; Robust adaptive tolerant control; Output constraints; Actuator failures; Vibration restriction
Categories
Funding
- National Natural Science Foundation of China [61873296]
- CAS Prospective Deployment Project [ZDRW-KT- 2019-1-010402]
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An active robust adaptive fault-tolerant control protocol is studied for reducing vibration of crane bridge system and handling actuator faults and output constraints simultaneously based on a partial differential equation model. The closed-loop system subject to environmental perturbations and actuator failures can be stabilized with proposed control laws. Furthermore, output constraints of trolley can always be ensured via employing barrier Lyapunov function (BLF), and uncertain actuator faults can also be compensated availably using developed adaptive control laws without any knowledge of actuator fault information. Finally, numerical simulation is provided for illustrating performance of the proposed control method.
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