Zobrazeno 1 - 10
of 58
pro vyhledávání: '"NING SONG"'
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 113:1873-1886
Interpolators play a core and important role in CNC systems, and the scheduling of feedrate is a main task of CNC interpolators. It is routine to schedule the feedrate of linear/circular toolpaths because of their regular geometry; however, the feedr
Publikováno v:
Precision Engineering. 65:32-43
Five-axis contour following is one of the main tasks for five-axis CNC machine tools. The contour following accuracy directly determines the final machining precision. Therefore, control of the five-axis contour error is significant. Currently, most
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture. 234:1656-1670
Scheduling of the five-axis spline toolpath feedrate is of great significance for high-quality and high-efficiency machining using five-axis machine tools. Due to the fact that there exists nonlinear relationship between the Cartesian space of the cu
Autor:
Jian-wei Ma, De-ning Song
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 105:4701-4714
The feedrate scheduling has received much attention recently because it is one of the most important tasks in the CNC (computer numerical control) spline interpolator which performs better than conventional linear interpolator in both machining smoot
Publikováno v:
Precision Engineering. 60:85-92
The contour error in multi-axis free-form path-following tasks is inevitable due to the existence of factors such as servo lag and external disturbances. Therefore, the control of the contour error is of great significance for improving the precision
Publikováno v:
2021 IEEE 4th International Conference on Electronics Technology (ICET).
With the development of industry, enterprises have put forward higher requirements for real-time data collection and analysis. According to this, a distributed industrial big data platform for Industrial Internet applications is designed, which can e
Publikováno v:
2021 IEEE 4th International Conference on Electronics Technology (ICET).
The dynamically modifying method is proposed to correct digital twin model online in real-time. Firstly, the digital twin model is divided into gradual-changing model and fast-changing model based on data changing ratio. The proximity of the position
Publikováno v:
International Journal of System Assurance Engineering and Management. 11:768-773
Government data sharing can effectively improve the efficiency and quality of government services and enhance the ability of providing government services. However, data sharing may bring the risk of citizen privacy leakage. It is a challenging probl
Publikováno v:
Precision Engineering. 54:243-253
Five-axis machine tools are commonly adopted in machining of complex parts with sculptured surfaces. However, the contouring error in five-axis dual-NURBS (Non-Uniform Rational B-Spline) toolpath following will be formed due to the existence of servo
Autor:
Pandeng Zhang, Jia-Ning Song, Yi Yang, David M. Simpson, Chang Liu, Zhen-Ni Guo, Xinyi Leng, Jia Liu
Publikováno v:
IEEE journal of biomedical and health informatics. 25(4)
Transfer function analysis (TFA) is extensively used to assess human physiological functions. However, extracting parameters from TFA is not usually optimized for detecting impaired function. In this study, we propose to use data-driven approaches to