Precise actuation is a widely utilized technology in the realm of high-end equipment.
Piezoelectric actuators (PEAs) stand out due to their exceptional attributes, including high …

In this work, the problems of active vibration suppression and high accuracy attitude control
for a flexible satellite with piezoelectric actuators are studied. Firstly, the attitude error …

Piezoelectric hysteresis is a critical issue that significantly degrades the motion accuracy of
piezo-actuated nanopositioners. Such an issue is difficult to be precisely modeled and …

The hysteresis characteristics, which commonly existed in smart materials–based actuators,
play a significant role in precision control technology. In this article, a modified Bouc–Wen …

Abstract Fiber Bragg gratings (FBGs), with smaller size, are suitable to measure the tooth
root strain of ring gear which is an ideal signal for fault diagnosis of planetary gearboxes. In …

A novel piezoelectric inertial rotary actuator with a bias unit that is based on asymmetrical
clamping structures was presented in this paper. Under the same circumstance, the …

Reliable polymeric motors are required for the construction of rising accurate robots for
surgeon assistance. Artificial muscles based on the electrochemistry of conducting polymers …

Piezoelectric actuators (PEA) are devices that are used for nano-microdisplacement due to
their high precision, but one of the major issues is the non-linearity phenomena caused by …

In this paper, the self-deformation mode of the stick-slip principle was proposed, and
accordingly a piezoelectric actuator based on the self-deformation mode was designed …

Piezoelectric stick–slip actuation is an essential way to achieve nanoscale positioning with a
macro motion stroke. This paper proposes a critical energy evaluation and control method to …