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 Adaptive parameter identification of Bouc-wen hysteresis model for a vibration system using magnetorheological elastomer
Tác giả hoặc Nhóm tác giả: Xuan Bao Nguyen, Toshihiko Komatsuzaki, Hoa Thi Truong
Nơi đăng: International Journal of Mechanical Sciences; Số: 213;Từ->đến trang: 106848;Năm: 2022
Lĩnh vực: Kỹ thuật; Loại: Bài báo khoa học; Thể loại: Quốc tế
TÓM TẮT
The Bouc–wen hysteresis model has been widely used to design systems using magnetorheological (MR) materials. However, the model parameters cannot be perfectly determined due to the magnetic-field dependency and unmeasurable states. In this study, a novel adaptive parameter identification method is proposed for a model consisting of three components: an estimated model, a hysteresis observer, and adaptive algorithms. While the estimated model refers to the experimental data and adjusts the parameters directly to their actual values, the hysteresis observer is constructed to portray the unmeasurable hysteretic force that is based on the observer dynamic and misalignment. The proposed adaptive algorithms updated the parameters to actual values based on stability and adaptation theory. The Bouc–wen model, whose parameters were determined by the proposed method, captured the MR elastomer
ABSTRACT
The Bouc–wen hysteresis model has been widely used to design systems using magnetorheological (MR) materials. However, the model parameters cannot be perfectly determined due to the magnetic-field dependency and unmeasurable states. In this study, a novel adaptive parameter identification method is proposed for a model consisting of three components: an estimated model, a hysteresis observer, and adaptive algorithms. While the estimated model refers to the experimental data and adjusts the parameters directly to their actual values, the hysteresis observer is constructed to portray the unmeasurable hysteretic force that is based on the observer dynamic and misalignment. The proposed adaptive algorithms updated the parameters to actual values based on stability and adaptation theory. The Bouc–wen model, whose parameters were determined by the proposed method, captured the MR elastomer
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