Results 31 to 40 of about 779 (186)

Application of piezoelectric actuator in series nano-positioning stage

Science Progress, 2020
The existing nano-positioning stages are driven by the piezoelectric ceramics, which have features of high accuracy and resolution, but the traditional positioning stage could not meet the requirement of large working space because the displacement of ...
Qian Lu, Xifu Chen
doaj   +1 more source

Second-order terminal sliding mode control based on perturbation estimation for nanopositioning stage

IET Cyber-systems and Robotics, 2020
This study proposes a robust second-order terminal sliding mode control with perturbation estimation (2OTSMCPE) strategy with application to trajectory tracking control of the flexure-based nanopositioning system.
Ali Al-Ghanimi, Jinchuan Zheng, Jinchuan Zheng, Alaa Aldhalemi, Alaa Aldhalemi, Jasim Khawwaf, Zhihong Man, Zhihong Man   +7 more
doaj   +1 more source

A robust loop-shaping approach to fast and accurate nanopositioning [PDF]

, 2013
Peer ...
Moheimani, S.O. Reza, Ferreira, Antoine, Aphale, Sumeet S., Aphale, Sumeet   +3 more
core   +1 more source

On the Disturbance Rejection of a Piezoelectric Driven Nanopositioning System

IEEE Access, 2020
Nanopositioning systems are very popular and playing an increasingly vital role in micro and nano-scale positioning industry due to their unique ability to achieve high-precision and high-speed operation.
Wei Wei, Pengfei Xia, Wenchao Xue, Min Zuo   +3 more
doaj   +1 more source

Experimental Validation of Ultra-Precision Nanopositioning System

IEEE Access, 2021
In this paper, the development of an ultra-precision XY nanopositioning stage is presented. For system structure, the actuator decoupled parallel compliant mechanism is designed to have the same dynamics in both x- and y-direction so that the coupling ...
Jaeyoung Kim, Dongwoo Kang, Kyung-Rok Kim, Hyunchang Kim   +3 more
doaj   +1 more source

Enhanced Signal-to-Noise and Fast Calibration of Optical Tweezers Using Single Trapping Events

Micromachines, 2021
The trap stiffness us the key property in using optical tweezers as a force transducer. Force reconstruction via maximum-likelihood-estimator analysis (FORMA) determines the optical trap stiffness based on estimation of the particle velocity from ...
Alexander B. Stilgoe, Declan J. Armstrong, Halina Rubinsztein-Dunlop   +2 more
doaj   +1 more source

Robust Tracking Control of Piezo-Actuated Nanopositioning Stage Using Improved Inverse LSSVM Hysteresis Model and RST Controller

Actuators, 2022
Nanopositioning technology is widely used in high-resolution applications. It often uses piezoelectric actuators due to their superior characteristics.
Ayad G. Baziyad, Irfan Ahmad, Yasser Bin Salamah, Abdulaziz Alkuhayli   +3 more
doaj   +1 more source

Model-free Multi-variable Learning Control of a Five Axis Nanopositioning Stage

, 2021
This article compares the performance of recently introduced learning control methods on a 5-axis nanopositioning stage. Of these methods, the Smoothed Model-Free Inversion-based Iterative Control (SMF-IIC) method requires no modeling effort for ...
Thijs Sieswerda, Oomen, Tom, Andrew J. Fleming, Tom Oomen, Sieswerda, Thijs, Fleming, Andrew J.   +5 more
core   +1 more source

Control Issues of MEMS Nanopositioning Devices

, 2016
In this chapter, the control issues of microelectromechanical system (MEMS) nanopositioning devices are introduced and discussed. The real-time feedback control of a novel micro-machined 1-degree-of-freedom (1-DoF) thermal nanopositioner with on-chip ...
M. R. Yuce, A. Bazaei, S. O. R. Moheimani, Yuce, Mehmet Rasit, Bazaei, Ali, Y. Zhu, Zhu, Yong, Moheimani, S. O. Reza   +7 more
core   +2 more sources

Large range nanopositioning stage design: A three-layer and two-stage platform [PDF]

, 2016
In this article, a novel two-dimensional nanopositioning platform (NanoPla) design is described. Its requirements are not only sub-micrometer accuracy for nanotechnology applications, but also long working range (XY-motion 50 mm × 50 mm).
Torralba, M., Aguilar, J. J., Yagüe-Fabra, J. A., Valenzuela , M., Albajez, J. A.   +4 more
core   +1 more source