<abstract xmlns="http://www.w3.org/1999/xhtml">

A smart structure plays a vital role in aerospace applications and robotics and other applications. It presents many challenging control problems due to their non-linear dynamic behavior. The Objective of this work is to design a controller that minimizes the structural vibration using H∞ controller. Vibration as a measured parameter has been used to evaluate model of a nonlinear process (piezoelectric actuator and sensor) at different modes .The model was generated using an ARMAX technique. By selecting appropriate weighting functions <italic>H</italic> ∞ <bold>controller were designed based on mixed sensitivity approach using singular loop shaping method. The performance of</bold> <italic>H</italic> ∞ <bold>controller was compared with LQG controller based on vibration reduction. From the results it is observed that the H∞ controller is the best suited for smart structural process</bold>.
</abstract>

A smart structure plays a vital role in aerospace applications and robotics and other applications. It presents many challenging control problems due to their non-linear dynamic behavior. The Objective of this work is to design a controller that minimizes the structural vibration using H∞ controller. Vibration as a measured parameter has been used to evaluate model of a nonlinear process (piezoelectric actuator and sensor) at different modes .The model was generated using an ARMAX technique. By selecting appropriate weighting functions H ∞ controller were designed based on mixed sensitivity approach using singular loop shaping method. The performance of H ∞ controller was compared with LQG controller based on vibration reduction. From the results it is observed that the H∞ controller is the best suited for smart structural process.

Model identification and Smart structural vibration Control using <italic>H</italic> ∞ controller

Department of Electronics& Instrumentation Engineering

International Journal on Smart Sensing and Intelligent Systems

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Model identification and Smart structural vibration Control using   controller

A smart structure plays a vital role in aerospace applications and robotics and other applications. It presents many challenging control problems due to their...

Model identification and Smart structural vibration Control using H ^∞ controller

Published Online: Dec 13, 2017

Page range: 655 - 671

DOI: https://doi.org/10.21307/ijssis-2017-414

Keywords
controller, ARMAX, smart structure, LQG, weighting function, loop shaping, weighting function

© 2010 M.Sridevi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Model identification and Smart structural vibration Control using H ∞ controller

Published Online: Dec 13, 2017

Page range: 655 - 671

DOI: https://doi.org/10.21307/ijssis-2017-414

Keywordscontroller, ARMAX, smart structure, LQG, weighting function, loop shaping, weighting function

© 2010 M.Sridevi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Model identification and Smart structural vibration Control using H ^∞ controller

Keywords
controller, ARMAX, smart structure, LQG, weighting function, loop shaping, weighting function