Journal
NEUROCOMPUTING
Volume 408, Issue -, Pages 176-187Publisher
ELSEVIER
DOI: 10.1016/j.neucom.2019.08.102
Keywords
Neural networks; Dynamic surface control; Active suspension systems; Barrier Lyapunov functions
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Funding
- National Natural Science Foundation of China [61622303, 61603164, 61773188, 61773189, 61803189, 61803190]
- Program for Liaoning Innovative Research Team in University [LT2016006]
- Fundamental Research Funds for the Universities of Liaoning Province [JZL201715402]
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This paper addresses controlling of displacements of vehicle active suspension systems with an active seat suspension and a human-body model. A neural networks-based dynamic surface control strategy is constructed for the active suspension systems. Specifically, asymmetric time-varying barrier Lyapunov functions are applied to ensure that the displacements of vehicle active suspensions do not violate their time-varying constraint bounds. Neural networks are used to approximate unknown functions in the active suspension systems and their basis function properties are employed to deal with functions with non-strict form. Dynamic surface control technique is used to reduce the complexity of the controller. Advantages of the control strategy are substantiated by two simulation examples. (c) 2020 Elsevier B.V. All rights reserved.
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