NDLI: Comparative study between positive position feedback and negative derivative feedback for vibration control of a flexible arm featuring piezoelectric actuator

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Comparative study between positive position feedback and negative derivative feedback for vibration control of a flexible arm featuring piezoelectric actuator

Content Provider	SAGE Publishing
Author	Syed, Hassaan Hussain
Copyright Year	2017
Abstract	Positive position feedback control is the most common resonant control technique that has been studied for last three decades. As a low-pass filter, positive position feedback is very sensitive to low-frequency disturbances. To overcome this shortcoming of positive position feedback controller, negative derivative feedback controller, which acts as a bandpass filter and can effectively control the lower and higher frequency disturbances, has been developed recently. So far, there is no comparison work between positive position feedback and negative derivative feedback on flexible manipulator system. Consequently, to fill this gap, in this article, both positive position feedback and negative derivative feedback controllers are applied experimentally and analysed in terms of settling time and vibration attenuation at different damping ratios on a single link flexible manipulator featuring piezoelectric actuator. Moreover, robustness with respect to natural frequency variation is studied for the first time on flexible manipulator system. Based on experimental study conducted on the particular system developed in this article, it has been observed that negative derivative feedback controller is more effective than positive position feedback controller based on evaluated performance measures.
Related Links	https://journals.sagepub.com/doi/pdf/10.1177/1729881417718801?download=true
ISSN	17298806
Issue Number	4
Volume Number	14
Journal	International Journal of Advanced Robotic Systems (ARX)
e-ISSN	17298814
DOI	10.1177/1729881417718801
Language	English
Publisher	Sage Publications UK
Publisher Date	2017-07-06
Publisher Place	London
Access Restriction	Open
Rights Holder	© The Author(s) 2017
Subject Keyword	PPF controller Active vibration control flexible manipulator NDF controller piezoelectric modal control technique
Content Type	Text
Resource Type	Article
Subject	Artificial Intelligence Computer Science Applications Software

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