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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Periodic event-triggered sliding mode control for lower limb exoskeleton based on human-robot cooperation.
    Author: Wang J, Liu J, Zhang G, Guo S.
    Journal: ISA Trans; 2022 Apr; 123():87-97. PubMed ID: 34217496.
    Abstract:
    This paper presents a periodic event-triggered sliding mode control (SMC) scheme based on human-robot cooperation for lower limb exoskeletons. Firstly, a Genetic Algorithm-Back propagation (GA-BP) neural network is proposed to estimate the motion intention of the wearer through electromyography (EMG) signals. Secondly, the periodic event-triggered SMC strategy based on tanh function is designed to ensure the asymptotic convergence of the exoskeleton system and save communication resources, where the detailed expressions of sampling period and control gain are designed. Finally, comparative simulation and experimental analysis is presented to verify the effectiveness of the proposed control method.
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