On geometrically nonlinear mechanics of nanocomposite beams

MS Vaccaro - International Journal of Engineering Science, 2022 - Elsevier
Nowadays, nanocomposite beams undergoing large displacements are effectively
employed as basic structural components of small-scale electro-mechanical systems, such …

A purely centered and non-redundant piezoelectric stick-slip rotary stage with force amplification

S Ma, Y Yang, Y Cui, G Wu, Y Wei - Mechanical Systems and Signal …, 2024 - Elsevier
This paper proposes a purely center-rotation and non-redundant piezoelectric stick–slip
rotary stage with force magnification. A bridge driving mechanism with centrosymmetric …

Modeling and experiments of bipedal actuated linear piezoelectric platform with smooth motion and strong load capacity

J Sun, S Zhang, J Cheng, J Deng… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Piezoelectric platforms commonly use step accumulation to achieve large strokes. However,
frequent starts and stops cause velocity fluctuations, particularly under large load conditions …

A flexure hinged piezoelectric stick–slip actuator with high velocity and linearity for long-stroke nano-positioning

G Qiao, P Ning, Q Gao, Y Yu, X Lu… - Smart Materials and …, 2022 - iopscience.iop.org
It is difficult to simultaneously achieve high linearity, high velocity, and high resolution for
long-stroke piezoelectric actuators due to their discontinuity. To improve the velocity and …

A bipedal cooperative drive method for the stick–slip piezoelectric actuator to achieve smooth motion

Z Ding, H Yu, X Zhou, Z Xu, J Dong… - Review of Scientific …, 2023 - pubs.aip.org
Existing kinds of stepping piezoelectric actuators have difficulty in maintaining smooth
stepping characteristics in motion, especially with applied loads, because they are limited by …

Design and optimization of a new large stroke micropositioner based on cricket-mimicked bistable mechanism for potential application in polishing

NT Tran, MP Dang, TP Dao - The International Journal of Advanced …, 2023 - Springer
To overcome the limited stroke of existing micropositioning stages in precision engineering
systems, this article proposes an optimal design of a new micropositioner based on the …

The Frequency-Variable Rotor-Blade-Based Two-Degree-of-Freedom Actuation Principle for Linear and Rotary Motion

X Li, S Wang, X Peng, G Xu, J Dong, F Tian, Q Zhang - Sensors, 2023 - mdpi.com
Piezoelectric accurate actuation plays an important role in industrial applications. The
intrinsic frequency of previous actuators is invariable. However, variable frequency can …

Design and experiment of a clamping-drive alternating operation piezoelectric actuator

M Sun, Z Cao, L Zheng - Micromachines, 2023 - mdpi.com
In recent years, piezoelectric actuators, represented by inertial and inchworm actuators,
have been widely applied because of their high accuracy and excellent responsiveness …

Optimizing the Scanning Throughput of a Stick-Slip Piezoelectric Actuator by Exploring the Scannable Trajectory Set

X Wang, Y Meng, Z Xu, L Li, H Huang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Stick-slip piezoelectric actuators are promising because they enable both macroscale
motion in stepping mode and nanoscale motion in scanning mode. However, when the …

A novel macro-fiber-composite stick-slip actuator with large single-step displacements

G Wu, Y Yang, Y Cui, G Li, Y Wei - Precision Engineering, 2024 - Elsevier
Precision micro-manipulation tasks demand high-speed motion but low driving frequency for
stick-slip actuators to achieve efficient operation and reduce friction wear. This paper …