Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Dun Lyu"'
Publikováno v:
Measurement + Control, Vol 56 (2023)
In view of that the tracking error originates from the amplitude attenuation and phase lag of the setpoints frequency component caused by the servo control system at each moment, this paper puts forward the idea of obtaining the setpoints time-freque
Externí odkaz:
https://doaj.org/article/8eefddb0f97b49dbb7f205282c9f4362
Publikováno v:
Machines, Vol 10, Iss 2, p 160 (2022)
The Dynamic Errors (DEs) of individual axes present Time-dependent Characteristics (TDCs) because the setpoints, as the input of the servo feed system, change in velocity, acceleration and jerk during the feed motion. Deep insight into the TDC contri
Externí odkaz:
https://doaj.org/article/f8a832359d7f4be38d4b13a9b39d8f3f
Publikováno v:
International Journal of Computer Integrated Manufacturing. 36:524-541
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering. 236:1447-1463
Accurate identification of the moment of inertia is the basis of modeling, simulation, and controller design of machine tool feed drives. However, insufficient consideration of colored noise factors (such as current loop dynamics, Coulomb’s frictio
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology. 236:2328-2339
Strong shear force developed in the lubrication film in the high-speed spindles will resulting high temperature rise and expanding the mandrel, which would arouse safe servicing problem. This study aimed to address the temperature rise issue in spind
Servo matching (SM) controls the contour error (CE) by coordinating the tracking error (TE) of each axis, which is a basic strategy of CE control. However, the SM, especially the five-axis SM approach, has not been widely used in engineering due to t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d586307bf441455bc7a7dd878124859
https://doi.org/10.21203/rs.3.rs-1924203/v1
https://doi.org/10.21203/rs.3.rs-1924203/v1
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture. :095440542311580
The calculation method of cutter location (CL) points only considers the geometric errors, but cannot consider the requirements of the corner transition algorithm in CNC, which results in the smoothing algorithm in the CNC not playing a maximum role
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 113:1517-1525
The moon-shaped trajectory is designed as to study the influence of dynamic error outside servo loop (DEOS) on the trajectory error of CNC machine tool. Firstly, the system identification method is used to build up the transfer function from the setp
Publikováno v:
SSRN Electronic Journal.
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 106:1869-1891
The dynamic error of CNC machine tools, which often exceeds the quasi-static error at high-speed machining, becomes the main reason affecting the machining error of the sculptured surface parts. Although much research efforts have been dedicated to d