Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Kaifei Xu"'
Autor:
Tao Sun, Wen Wang, Zhanfeng Chen, Yewen Zhu, Kaifei Xu, Haimei Wu, Zhiqian Sang, Keqing Lu, He Yang
Publikováno v:
Applied Sciences, Vol 11, Iss 24, p 11770 (2021)
Due to the errors of the servo system and the errors of the ball screw drive system, the positioning errors inevitably occur in the process of CNC machine tools. The measurement of traditional equipment is limited by a fixed measurement radius and a
Externí odkaz:
https://doaj.org/article/cd3aa06474a94979b165a5a506c8bcba
Publikováno v:
Journal of Difference Equations and Applications. 29:143-164
Publikováno v:
Economic Analysis and Policy. 76:554-567
Publikováno v:
Information Technology & People.
PurposeThe lockdown of schools to control the spread of Coronavirus Disease 2019 (COVID-19) has adversely affected elementary and secondary school students in China. However, little evidence is available that documents their perceptions toward the us
Publikováno v:
Current neuropharmacology.
Abstract: Parkinson’s disease (PD) is one of the most common neurodegenerative diseases, characterized by the reduction of dopamine neurons in the substantia nigra. Levodopa, as a dopamine supplement, is the gold-standard therapeutic drug for PD. T
Autor:
Tao Sun, Wen Wang, Chuanyong Wang, Zhanfeng Chen, Zhiqian Sang, Keqing Lu, Kaifei Xu, Haimei Wu, Bing-Feng Ju
Publikováno v:
Measurement Science and Technology. 34:055019
Multiaxis machine tools are widely used in manufacturing. The measurement of motion error is important to improve the machining accuracy of machine tools. A double ball bar (DBB), as a high-precision single-dimensional position reading device, is wid
Publikováno v:
Journal of Industrial & Management Optimization; Mar2023, Vol. 19 Issue 3, p1893-1910, 18p
Autor:
Wen Wang, Tao Sun, Zhanfeng Chen, Haimei Wu, Keqing Lu, Chuanyong Wang, Kaifei Xu, Zhiqian Sang, He Yang, Guang Shi
Publikováno v:
Measurement Science and Technology. 33:105904
Measurement and compensation of these errors can improve the machining accuracy of a machine tool. Double ball bar is one of the traditional instruments for measuring machine tool errors, whose measurement range depends on the length of the bar since