NDLI: An active axis control system for a conventional CNC machine

Content Provider	IEEE Xplore Digital Library
Author	Hanafi, D. Tordon, M. Katupitiya, J.
Copyright Year	2003
Description	Author affiliation: Sch. of Mech. & Manuf. Eng., New South Wales Univ., Sydney, NSW, Australia (Hanafi, D.; Tordon, M.; Katupitiya, J.)
Abstract	A non-invasive approach to implement an active axis controller for a conventional CNC machine is presented. To develop the system a two-stage approach has been taken. In stage one, a generic external axis controller is designed to bring the machine under the real-time control of an external computer. The external controller is interfaced to the CNC machine via the Manual Pulse Generator (MPC) inputs. The external controller uses a special interface to read the machine position. Stage two is the design of the active axis controller. To achieve this, a sensor feedback loop is added to the external controller to enable visual servoing. The developed active axis controller is used to actively track a profile using Visual feedback. The results presented compares the speed of response of the external axis controller with that of the speed of response of the original CNC controller in linear interpolation motion. The accuracy in the performance of the active axis controller is demonstrated by presenting the results of active visual tracking.
Sponsorship	IEEE Ind. Electron. Soc.(IES) IEEE Robotics & Autom. Soc. (RAS) ASME Dynamic Syst. & Control Div. (DSC)
Starting Page	1188
Ending Page	1193
File Size	508880
Page Count	6
File Format	PDF
ISBN	0780377591
DOI	10.1109/AIM.2003.1225511
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-07-20
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Control systems Computer numerical control Force control Feeds Spinning Visual servoing Motion control Monitoring Manufacturing Australia
Content Type	Text
Resource Type	Article

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