Evaluation method for a controller of active mass damper using central pattern generator

Junichi Hongu; Daisuke Iba; Morimasa Nakamura; Ichiro Moriwaki

doi:10.1117/12.2009720

19 April 2013 Evaluation method for a controller of active mass damper using central pattern generator

Junichi Hongu, Daisuke Iba, Morimasa Nakamura, Ichiro Moriwaki

Proceedings Volume 8692, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2013; 869230 (2013) https://doi.org/10.1117/12.2009720
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2013, San Diego, California, United States

Abstract

This paper proposes an evaluation method for a CPG controller designed for active mass dampers. Neural oscillators composing the CPG have nonlinear and entrainment properties. Therefore, the proposed controller has possibility to have flexibility, when the structural parameters, i.e. stiffness or damping, are changed by the effect of earthquakes and the like. However, there has been no study to evaluate the controller’s above-mentioned properties. For tuning into practical application, the reliability and flexibility along with the controller’s performance must be analyzed. In our previous study, the phase reduction theory was tried to appraise the synchronization between a structure and a single neural oscillator and the synchronization region of the neural oscillator was obtained as basic research. However, the information from the synchronization region was insufficient to evaluate the system, because the neural oscillator has a phase difference called a phase locking point between the structure and the neural oscillator during the synchronization. Then, in this paper, the phase locking point within the synchronization region between a structure and a single neural oscillator is focused on, and the phase locking point and the vibration mitigation effect are considered with the simple object model.

Citation Download Citation

Junichi Hongu, Daisuke Iba, Morimasa Nakamura, and Ichiro Moriwaki "Evaluation method for a controller of active mass damper using central pattern generator", Proc. SPIE 8692, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2013, 869230 (19 April 2013); https://doi.org/10.1117/12.2009720

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