[HTML][HTML] Ultraprecision XY stage using a hybrid bolt-clamped Langevin-type ultrasonic linear motor for continuous motion

DJ Lee, SK Lee - Review of Scientific Instruments, 2015 - pubs.aip.org
This paper presents a design and control system for an XY stage driven by an ultrasonic
linear motor. In this study, a hybrid bolt-clamped Langevin-type ultrasonic linear motor was …

ALO optimized NCTF controller in multi area AGC system integrated with WECS based DFIG system

PC Sahu, RC Prusty, S Panda - 2017 International conference …, 2017 - ieeexplore.ieee.org
This article develops solution to optimize the gain of controllers of doubly fed Induction
Generator for controlling frequencies and Tie Line Power in inter connected two-area system …

Practical high-precision motion control system based on nominal characteristic trajectory following control and simple feedforward element design methods

K Sato - Precision Engineering, 2022 - Elsevier
A practical design for a high-precision motion control system was formulated without an
accurate dynamic model. The designed control system consisted of a nominal characteristic …

An influence of the stepping motor control and friction models on precise positioning of the complex mechanical system

R Konowrocki, T Szolc, A Pochanke… - Mechanical Systems and …, 2016 - Elsevier
This paper aims to investigate, both experimentally and theoretically, the electromechanical
dynamic interaction between a driving stepping motor and a driven laboratory belt …

Friction-induced instability and vibration in a precision motion stage with a friction isolator

J Wang, X Dong, OR Barry… - Journal of Vibration and …, 2022 - journals.sagepub.com
Motion stages are widely used for precision positioning in manufacturing and metrology
applications. However, they suffer from nonlinear premotion (ie “static”) friction, which …

Practical and robust control for precision motion: AR‐CM NCTF control of a linear motion mechanism with friction characteristics

SH Chong, K Sato - IET Control Theory & Applications, 2015 - Wiley Online Library
This study presents the framework of the acceleration reference continuous motion nominal
characteristic trajectory following (AR‐CM NCTF) control system, and its effectiveness in a …

Practical control strategy for positioning control of pneumatic artificial muscles driven stage: Improved NCTF control

TF Tang, SH Chong, RM Nor, K Sato - IEEE Access, 2019 - ieeexplore.ieee.org
This paper presents a practical control strategy for motion control of a pneumatic muscle
actuated the system. Pneumatic artificial muscle (PAM) exhibits strong nonlinear …

Influence of design parameters on the effectiveness of friction isolators in mitigating pre-motion friction in mechanical bearings

X Dong, CE Okwudire - Mechatronics, 2020 - Elsevier
Mechanical bearings (ie, sliding and rolling bearings) are widely used for motion guidance
in precision positioning stages due to their low cost, high off-axis stiffness and vacuum …

Resource placements in 2D tori

B Almohammad, B Bose - Proceedings of the First Merged …, 1998 - ieeexplore.ieee.org
Results on how to place a limited number of resources in two dimensional torus-based
parallel systems are described. The resources are placed so that every non-resource node …

Practical motion control with acceleration reference for precision motion—New NCTF control and its application to non-contact mechanism

SH Chong, H Hashimoto, K Sato - Precision engineering, 2011 - Elsevier
This paper presents an improved practical controller for enhancing precision motion
performance. For practical use, high motion control performance and ease of controller …