Hysteretic nonlinearity behavior ubiquitously occurs in mechanical systems, particularly in
high-precision instruments, which severely degrades system output performance …

Piezoelectric actuators (PAs) are widely used in precision positioning control and active
vibration control. However, positioning accuracy can be compromised by the hysteresis of …

To accurately determine the dynamic response of a structure is of relevant interest in many
engineering applications. Particularly, it is of paramount importance to determine the …

Bayesian model updating techniques are becoming the standard tool for the identification of
nonlinear dynamical systems, because unlike other identification schemes which compute …

Most of the published literature concerned with the parameter estimation of the Bouc–Wen
model of hysteresis via evolutionary algorithms uses a single objective function (the mean …

The hysteresis of piezoelectric actuators (PAs) possesses the asymmetrical and frequency-
dependent characteristics. In order to accurately model the hysteresis of a PA, an …

The dynamic behavior of hydro-turbine rotor system is a complex multi-field and nonlinear
problem, which has been studied by many researchers. The analysis of the rotor system …

In this paper, PZT actuators are used to study the dynamic behavior of a rotating disk
structure due to rotor-stator interaction excitation. The disk is studied with two different …

This paper deals with piezoelectric actuators control. A fractional order fuzzy PID controller is
designed for this class of systems with the help of particle swarm optimization (PSO) …

The modal characteristics are important issues of a Francis turbine runner. It is prone to
cause excessive vibration even resonance of turbine if the natural frequency is close to the …