A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
Filters
Virtual Computer Numerical Control System
2006
CIRP annals
Preserved Fulltext
The Virtual CNC (VCNC) has a modular architecture, allowing a real CNC to be prototyped quickly from standard library functions for feed drive models, feedback devices, axis control laws, and trajectory ...
Various application examples are presented which include the prediction of contour errors, auto-tuning of feed drive controllers, toolpath and feed modification for improved cornering, and rapid identification ...
pole placement [3] , generalized predictive [4] , adaptive sliding mode [5] , and feedforward control [6] , as well as friction compensation [7] . ...
doi:10.1016/s0007-8506(07)60444-2
fatcat:egfygwitjzhw5oea45tsjrqqru
Adaptive Sliding Mode Contouring Control Design Based on Reference Adjustment and Uncertainty Compensation for Feed Drive Systems
2021
Tanzania Journal of Science
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
Keywords: Machine tools, Feed drive systems, contouring control, Uncertainty dynamics, Sliding mode control. ...
to the adaptive sliding mode contouring controller with reference adjustment. ...
Adaptive sliding mode contouring controller design Two steps are normally involved when designing a sliding mode controller. ...
doi:10.4314/tjs.v47i5.23
fatcat:7rbfgykmivcq3ip2v2psg6apdm
Adaptive and sliding mode friction-resilient machine tool positioning – Cascaded control revisited
2019
Mechanical systems and signal processing
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
This paper investigates three nonlinear controllers with cascaded architecture for machine tool axis positioning. ...
Needs for high-accuracy tool positioning and accurate trajectory following have renewed the focus on controller design for machine tools. ...
We would also like to thank them for their invaluable input with respect to the real-life machine tool applications and equipment. The project was sponsored by Siemens AG. ...
doi:10.1016/j.ymssp.2019.06.015
fatcat:lfhnyplsvjfkln7a2ahqb3b3oi
A Cooperative High-Speed Positioning Control System for Dual-Axis Permanent-Magnet Linear Motor
2019
International Journal for Engineering Modelling
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
The SVM (Smart Virtual Machine) is the core virtual machine of the smart cross platform. ...
In the whole design and implementation of the SVM operating in the web based environment, this paper focuses on the interpreter, which is used as a method to execute the contents. ...
Afterwards, the sliding mode variable structure algorithm is used to design the positioning controller. ...
doi:10.31534/engmod.2018.4.si.08s
fatcat:vath632dhzdypoangq7mt4lqfe
Intelligent backstepping sliding-mode control using RBFN for two-axis motion control system
2005
IEE Proceedings - Electric Power Applications
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2014; you can also visit the original URL.
The file type is application/pdf.
Then, to improve the control performance in reference contour tracking, a backstepping sliding-mode approach is proposed to compensate for uncertainties occurring in the motion control system. ...
An intelligent backstepping sliding-mode control system using radial basis function network (RBFN) for a two-axis motion control system using permanent magnet linear synchronous motors (PMLSMs) is proposed ...
In addition, the design of two-axis motion control with high-performance and high-precision machining is required in modern manufacturing. ...
doi:10.1049/ip-epa:20050103
fatcat:gs6noouz4fdffmphpxlx3pjaxy
Adaptive robust contour tracking of machine tool feed drive systems-a task coordinate frame approach
1997
Proceedings of the 1997 American Control Conference (Cat. No.97CH36041)
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2006; you can also visit the original URL.
The file type is application/pdf.
By transforming the machine tool feed drive dynamics to this task coordinate frame, an adaptive robust control (ARC) law is derived to improve the contouring performance under system parameter variation ...
The eectiveness of the proposed control law is demonstrated through the simulated control of an industrial CNC machine tool feed drive system. ...
In most machine tool feed drive systems, the servo controllers are usually individually designed for each o f the motion axes. ...
doi:10.1109/acc.1997.611952
fatcat:fmgkfi6v5fbhjag47cwpyrwqvq
Adaptive Sliding Mode Control with Feedforward Compensator for Energy-Efficient and High-Speed Precision Motion of Feed Drive Systems
2020
IEEE Access
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
INDEX TERMS Computer numerical controlled machines, controller design, adaptive control, sliding mode control, machine tools, nonlinear control, uncertainty dynamics. ...
An adaptive nonlinear sliding mode controller with a feedforward compensator for plant uncertainties is designed and its stability is confirmed through the Lyapunov stability theories. ...
CONCLUSION This study proposes an adaptive sliding mode control with a nonlinear sliding surface and a model-based feedforward compensator for uncertainty dynamics for application in feed drive systems ...
doi:10.1109/access.2020.2977395
fatcat:luz57a7s2ngjplv25tvudlmppu
Adaptive Non-singular Terminal Sliding Mode Fault-tolerant Control of Robotic Manipulators Based on Contour Error Compensation
[article]
2021
arXiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
To achieve accurate contour tracking of robotic manipulators with dynamic uncertainties, coupling and actuator faults, an adaptive non-singular terminal sliding mode control (ANTSMC) based on cross-coupling ...
Thirdly, a unified framework of cross-coupling contour compensation and reference position pre-compensation is designed by combining cross-coupling control with parabolic transition trajectory planning ...
Authors' Contributions All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by Du Baolin, Cui Aodong and Zhu Puchen. ...
arXiv:2110.08705v1
fatcat:egbgegqwyfd3hmvivtrct4hhsi
Advanced Controllers for Feed Drives
1992
CIRP annals
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2016; you can also visit the original URL.
The file type is application/pdf.
To achieve the high precision required in future contouring machining applications. accurate servo-controllers for the feed drives are needed. ...
This paper summarizes existing servo-controllers for contouring applications and presents an evaluation of three basic types of controllers: feedback controller, feedforward controller, and cross-coupling ...
Therefore, a more effective servo-controller (in terms of error reduction) is needed for systems that utilize high-speed machining. (2) For the machine tool systems with large Coulomb friction, an effective ...
doi:10.1016/s0007-8506(07)63255-7
fatcat:xplzs5jjkzak3bpvahjy4ggx4y
Monitoring and Control of Cutting Forces in Machining Processes: A Review
2009
International Journal of Automation Technology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
Feedback control schemes and model-based feedforward scheduling schemes of cutting forces, as well as tool path optimization schemes for cutting force regulation, are reviewed. ...
Much research has gone into machining process monitoring and control. This paper reviews monitoring and control schemes of cutting force and torque. ...
Machine tools used in experiments include one borrowed from the Machine Tool Technologies Research Foundation (MTTRF) via the Equipment on Loan Award Program. ...
doi:10.20965/ijat.2009.p0445
fatcat:6mjqqlihxfhw7mqj6wbbrtdvmq
DESIGN AND SIMULATION-BASED ANALYSIS OF A TEST BED FOR TWO-DIMENSIONAL KINEMATICALLY COUPLED FORCE COMPENSATION
2019
MM Science Journal
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
This includes the simulation-based design of the slides, the machine frame and the electric voice coil drives. ...
The principle of Kinematically Coupled Force Compensation (KCFC) tries to overcome this issue by combining a redundant axis configuration with the principle of force compensation. ...
Fig. 1 shows a simple design for 2D-KCFC with division of motion by Km and axis based position control (axis control). ...
doi:10.17973/mmsj.2019_11_2019044
fatcat:jjqojbh5bfdvhloa4v7lhmkjwq
Modeling and active damping of structural vibrations in machine tools
2014
CIRP - Journal of Manufacturing Science and Technology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
The identified mathematical model is used to mimic the real machine in simulations with the purpose of analyzing the interaction between structural dynamics and a high bandwidth adaptive sliding mode controller ...
Feed drives of High Speed Machine (HSM) tools deliver fast motions for rapid positioning of tool or workpiece. ...
loop of adaptive sliding mode controller. ...
doi:10.1016/j.cirpj.2014.05.001
fatcat:cdo62fc2gfeixfboqvovcjdlk4
Design for Precision: Current Status and Trends
1998
CIRP annals
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
In 'Design for Precision' concerning machines and instruments rather than pure metrology, accurate positioning and machine tool operations are key items. ...
Future developments in Precision Engineering require nanometre-or even subnanometre positioningand measuring accuracy, demanding new design concepts with integrated control and error compensation systems ...
Adaptive control and compensation Adaptive control and compensation, located at level 3 of the control architecture of fig. 5 .10, improves performance, either by enlarging productivity, e.g. in rough ...
doi:10.1016/s0007-8506(07)63243-0
fatcat:32xnhiqwnfhpji7e6cllz7tvq4
Contour error pre-compensation for five-axis high speed machining: offline gain adjustment approach
2018
The International Journal of Advanced Manufacturing Technology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
The control gains used in the position loop of servo drives are optimally adjusted off-line to reduce the contour error for the considered trajectory. ...
Keywords Contour error · CNC · Off-line gain adjustment · Receding horizon · Model predictive control 1 Introduction 5-axis high speed machining is replacing the traditional 3axis machining in sculpturing ...
[6] built a sliding mode controller to reduce the tracking error of each axis in the presence of external disturbances such as friction and cutting force, indirectly decreasing the contour error. ...
doi:10.1007/s00170-018-2859-z
fatcat:htfcaw633vawvlcm77wzytoagq
2018 Index IEEE/ASME Transactions on Mechatronics Vol. 23
2018
IEEE/ASME transactions on mechatronics
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
., +, TMECH Oct. 2018 2156-2167 Continuous Friction Feedforward Sliding Mode Controller for a TriMule Design of an Interactive Control System for a Multisection Continuum Robot. ...
., +, TMECH Feb. 2018 57-67 Continuous Friction Feedforward Sliding Mode Controller for a TriMule Hybrid Robot. ...
1981 -1992 Improved NO and NO2 Concentration Estimation for a Diesel-Engine-Aftertreatment System. Zhang, H., +, TMECH Feb. 2018 190-199 ...
doi:10.1109/tmech.2019.2893551
fatcat:ds4rb6mpw5bnbbbrdn25n3oh6m
« Previous
Showing results 1 — 15 out of 1,407 results