Zobrazeno 1 - 10
of 299
pro vyhledávání: '"Kuang-chao Fan"'
Publikováno v:
IEEE Photonics Journal, Vol 11, Iss 1, Pp 1-12 (2019)
A new micro accelerometer is proposed to measure and reduce low-frequency vibrations actively. It is mainly composed of a seismic mass, a leaf spring, and a focus probe modified from a digital versatile disc (DVD) pickup head. When a vibration occurs
Externí odkaz:
https://doaj.org/article/ba2e929916cb419f86c19054a214587f
Autor:
Kuang-Chao Fan, Peter Kinnell
Publikováno v:
Applied Sciences, Vol 11, Iss 22, p 10660 (2021)
Metrology is the science of measurement and can be divided into three overlapping activities: (1) the definition of units of measurement, (2) the realization of units of measurement, and (3) the traceability of measurement units [...]
Externí odkaz:
https://doaj.org/article/3f2c6bd1ecf449cf91022f09daec3a74
Publikováno v:
Applied Sciences, Vol 10, Iss 17, p 6019 (2020)
Currently, the widely used pendulum-type precision level cannot be miniaturized because reducing the size of the pendulum will reduce its displacement so as to decrease the measurement accuracy and resolution. Moreover, the commercial pendulum-type l
Externí odkaz:
https://doaj.org/article/3f9b53d44720407c917a5c7aede36a11
Publikováno v:
Sensors, Vol 19, Iss 20, p 4587 (2019)
A low-cost miniature homodyne interferometer (MHI) with self-wavelength correction and self-wavelength stabilization is proposed for long-stroke micro/nano positioning stage metrology. In this interferometer, the displacement measurement is based on
Externí odkaz:
https://doaj.org/article/6f05cbefde0d49869c028b275b046164
Publikováno v:
Sensors, Vol 19, Iss 20, p 4409 (2019)
The structural deformations caused by environmental changes in temperature, vibration, and other factors are harmful to the stability of high precision measurement equipment. The stability and optimal design method of a 2D optoelectronic angle sensor
Externí odkaz:
https://doaj.org/article/d3c0214e159649be8576d3868a97d82b
Publikováno v:
Sensors, Vol 19, Iss 18, p 3833 (2019)
A robust laser measurement system (LMS), consisting of a sensor head and a detecting part, for simultaneously measuring five-degree-of-freedom (five-DOF) error motions of linear stages, is proposed and characterized. For the purpose of long-travel me
Externí odkaz:
https://doaj.org/article/fad69285ed824462a93977ac5a8c11a1
Autor:
Kuang-Chao Fan, Liang-Chia Chen
Publikováno v:
Applied Sciences, Vol 9, Iss 16, p 3314 (2019)
Precision dimensional measurements always play the critical role in workshop quality control [...]
Externí odkaz:
https://doaj.org/article/4a7c33edc1904dc5b36342b467aaf365
Publikováno v:
Sensors, Vol 19, Iss 13, p 2855 (2019)
The geometric error motions of rotary stages greatly affect the accuracy of constructed machines such as machine tools, measuring instruments, and robots. In this paper, an embedded sensor system for real-time measurement of two radial and three angu
Externí odkaz:
https://doaj.org/article/3314333701fd4dd7a41e8843b6d06e46
Publikováno v:
International Journal of Automation and Smart Technology, Vol 1, Iss 2, Pp 93-99 (2011)
This paper presents a novel design of a planar encoder based on the principle of diffractive interferometry. The system is capable of measuring the two-dimensional displacement of the planar grating of any size. It adopts a specially designed optical
Externí odkaz:
https://doaj.org/article/2b56712f18f648ecae7463eabe03f224
Publikováno v:
Sensors, Vol 18, Iss 12, p 4229 (2018)
To meet the requirement of high precision measurement of coordinate measurement machine system, a compact microprobe has been designed for 3D measurement in this paper. Aiming to reduce the influences of signal coupling during the probing process, th
Externí odkaz:
https://doaj.org/article/7b9ddc8c0ba34cbc918ba8c80b1460cd