NDLI: Disturbance suppression control combined disturbance ovserber with acceleration feedback in 2-dimensional shaking table system

Content Provider	IEEE Xplore Digital Library
Author	Seki, K. Iwasaki, M.
Copyright Year	2014
Description	Author affiliation: Dept. of Comput. Sci. & Eng., Nagoya Inst. of Technol., Nagoya, Japan (Seki, K.; Iwasaki, M.)
Abstract	This paper presents a controller design approach to suppress the disturbance in 2-dimensional shaking table systems. In the system, the overturning moment of specimen generated by the centroid movement as the disturbance generally deteriorates the motion performance of the table, resulting in the lower reproducibility for the desired earthquake acceleration. In this paper, therefore, a control approach based on the disturbance observer and the acceleration feedback to compensate for the overturning moment, which is one of deterioration factors for the reproducibility of acceleration waveforms. In the controller design, the acceleration feedback using an acceleration sensor is applied to suppress the resonant vibration, while the disturbance observer is designed to improve the disturbance suppression characteristic. The bandwidth of observer can be expanded by including the acceleration feedback loop. The proposed approach has been verified by experiments using a laboratory 2-dimensional shaking table system.
Starting Page	156
Ending Page	161
File Size	1153516
Page Count	6
File Format	PDF
e-ISBN	9781479957361
DOI	10.1109/AIM.2014.6878071
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-07-08
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Acceleration Actuators Observers Pistons Servomotors Frequency control Vibrations
Content Type	Text
Resource Type	Article

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