Iranian Journal of Mechanical Engineering Transactions of ISME

Iranian Journal of Mechanical Engineering Transactions of ISME

Intelligent Control Smart Timoshenko Beam by Using MOPSO-PID Controller Based on Optimal Location PZT Patch Actuator Approach

Abstract
The significance of vibration omission in the engineering structures has led the striking vastness for the applied designing science. The role of vibration omission in materials with emphases on energy-saving and cost reduction is such a topic that has been analyzed and discussed as a challenge in the mechanical engineering. Here, a steel structure with a certain number of piezoelectric pieces with specific dimensions is considered. The aim is to omit vibrations or reduce the vibration range at the minimum time. In this paper, the placement of piezoelectric is carried out in order better to accelerate the suppression of vibration amplitude using the MOPSO, an optimization algorithm. Piezoelectric elements are installed as sensors and actuators on the top and bottom of structures. An early rise is applied to the structure and thus it begins vibration and the amplitude of these vibrations is suppressed by the piezo actuators. Piezoelectric sensors sense the structure’s vibration motion and control operations are done based on it, and finally to suppress, a control signal is sent to the actuators. The result of this motion is the structural vibration suppression. In this thesis, the studied structure is Timoshenko beam.
Keywords
Piezoelectric
Vibration Suppression
structure
MOPSO Algorithm
PID Controller

Subjects

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Iranian Journal of Mechanical Engineering Transactions of ISME
Volume 20, Issue 3 - Serial Number 52
System Dynamics and Solid Mechanics
Autumn 2018
Pages 6-28

  • Receive Date 12 September 2016
  • Revise Date 14 February 2017
  • Accept Date 21 February 2017