Results 101 to 110 of about 541 (160)

Spin-photon correlations from a Purcell-enhanced diamond nitrogen-vacancy center coupled to an open microcavity. [PDF]

Nat Commun
Fischer J, Herrmann Y, Wolfs CFJ, Scheijen S, Ruf M, Hanson R.   +5 more
europepmc   +1 more source

Super-Resolution Diamond Magnetic Microscopy of Superparamagnetic Nanoparticles. [PDF]

ACS Nano
Mosavian N, Hubert F, Smits J, Kehayias P, Silani Y, Richards BA, Acosta VM.   +6 more
europepmc   +1 more source

Adaptive Fuzzy Fixed-Time Trajectory Tracking Control for a Piezoelectric-Driven Microinjector. [PDF]

Micromachines (Basel)
Zhang R, Wu Z, Zhang W, Xu Q.
europepmc   +1 more source

Quantification of mechanical-cytoskeletal coupling in human corneal cells across myopia severity. [PDF]

Biophys Rep (N Y)
Junyuan G, Yue L, Shuangcheng L, Yan W, Xin Z.   +4 more
europepmc   +1 more source

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A novel direct drive electromagnetic XY nanopositioning stage

CIRP Annals, 2021
Abstract To overcome the inherent limitation of existing nanopositioning stages running in hundreds of micrometres, a novel normal-stressed electromagnetic actuator is developed to construct a direct drive XY nanopositioning stage, which features a contactless dual-axial actuation with a relatively high force density, a loosely-constrained stroke ...
Zhiwei Zhu, Li Chen, Suet To
openaire   +1 more source

Phase leading active disturbance rejection control for a nanopositioning stage

ISA Transactions, 2021
Hysteresis severely reduces positioning accuracy of a piezoelectric nanopositioning system. Inverse hysteresis model-based control is difficult to maintain satisfied performance in presence of uncertainties and disturbances. Linear active disturbance rejection control (LADRC) is a practical approach.
Wei, Wei, Zhiyuan, Zhang, Min, Zuo
openaire   +2 more sources

A MEMS Stage for 3-Axis Nanopositioning

2007 IEEE International Conference on Automation Science and Engineering, 2007
Applications in micro and nanotechnologies require millimeter-sized devices that are capable of 3-axis positioning with motion ranges of micrometers and resolutions of nanometers. This paper reports on the design, fabrication, and testing of a MEMS-based 3-axis positioning stage.
Xinyu Liu, Keekyoung Kim, Yu Sun
openaire   +1 more source

Maglev 6-DOF Stage for Nanopositioning

Dynamic Systems and Control, Volumes 1 and 2, 2003
This paper presents a novel magnetically levitated (maglev) stage with nanoscale positioning capability in all six degrees of freedom (DOFs). The key aspect of this device is that its single moving part has no mechanical contact with its stationary base, which leads to no mechanical friction and stiction, and no wear particle generation.
Wong-Jong Kim, Shobhit Verma, Jie Gu
openaire   +1 more source

Range-based control of dual-stage nanopositioning systems

Review of Scientific Instruments, 2014
A novel dual-stage nanopositioner control framework is presented that considers range constraints. Dual-stage nanopositioners are becoming increasingly popular in applications such as scanning probe microscopy due to their unique ability to achieve long-range and high-speed operation.
Garrett M, Clayton, Christopher J, Dudley, Kam K, Leang   +2 more
openaire   +2 more sources