Design of a large range XY nanopositioning system

S Awtar, G Parmar - Journal of Mechanisms and …, 2013‏ - asmedigitalcollection.asme.org
Achieving large motion range (> 1 mm) along with nanometric motion quality (< 10 nm)
simultaneously has been a key challenge in nanopositioning systems. Practical limitations …

A superelastic alloy microgripper with embedded electromagnetic actuators andpiezoelectric force sensors: a numerical and experimental study

DH Kim, MG Lee, B Kim, Y Sun - Smart materials and structures, 2005‏ - iopscience.iop.org
This paper presents the analysis, design, and characterization of a superelastic alloy (NiTi)
microgripper with integrated electromagnetic actuators and piezoelectric force sensors. The …

Performance tradeoffs posed by moving magnet actuators in flexure-based nanopositioning

DB Hiemstra, G Parmar, S Awtar - IEEE/ASME Transactions on …, 2012‏ - ieeexplore.ieee.org
Moving magnet actuators (MMAs) are direct-drive, single-phase electromagnetic linear
actuators that provide frictionless and backlash-free motion over a range of several …

Increasing output power of electromagnetic vibration energy harvesters using improved Halbach arrays

D Zhu, S Beeby, J Tudor, N Harris - Sensors and Actuators A: Physical, 2013‏ - Elsevier
This paper extends previously published studies into the performance of Halbach arrays for
electromagnetic vibration energy harvesting. A Halbach array is a specific arrangement of …

Research on radiation field and driving based on super-low frequency mechanical antenna array

X Wang, X Yang, Z Li, B Zhang, Z Cao - iscience, 2023‏ - cell.com
Mechanical antennas (MAs) directly use the mechanical motion of electric or magnetic
charges to excite electromagnetic waves. The radiation distance of rotating magnetic dipole …

[HTML][HTML] A fully coreless Multi-Stator Multi-Rotor (MSMR) AFPM generator with combination of conventional and Halbach magnet arrays

A Habib, HS Che, N Abd Rahim, M Tousizadeh… - Alexandria Engineering …, 2020‏ - Elsevier
An axial flux permanent magnet (AFPM) generator is known to be a good candidate for both
low and high-speed application. In this paper, a new design of fully coreless multi-stator …

Application of fractional-order active disturbance rejection controller on linear motion system

X Shi, YQ Chen, J Huang - Control Engineering Practice, 2018‏ - Elsevier
A fractional-order active disturbance rejection control strategy is presented to realize precise
trajectory tracking and point-to-point positioning performances of a newly designed linear …

Design, modeling and optimization of an N-shape electromagnetic energy harvester for smart bearing of high speed train

Y Gong, S Wang, Z **e, Y Shao… - Smart Materials and …, 2021‏ - iopscience.iop.org
Smart bearings have integrated sensors and processor and could monitor the real time
status of the mechanical equipment. To achieve a long-term service of the smart bearing …

[HTML][HTML] Semi-analytical modeling and analysis of Halbach array

MS Sim, JS Ro - Energies, 2020‏ - mdpi.com
Analysis of Halbach array placed in open space by using finite element method involves
substantial consumption of memory, time, and cost. To address this problem, development of …

Using modular poles for shape optimization of flux density distribution in permanent-magnet machines

AH Isfahani, S Vaez-Zadeh… - IEEE Transactions on …, 2008‏ - ieeexplore.ieee.org
A modular configuration for a type of permanent-magnet pole is proposed for use in
permanent-magnet (PM) machines. The pole consists of three or more permanent-magnet …