NDLI: Semi-Continuous Interpolation Algorithm for Aspherical Surface Grinding

Content Provider	IEEE Xplore Digital Library
Author	HyungTae Kim HaeJeong Yang
Copyright Year	2005
Description	Author affiliation: Res. Center in AM Technol., Ansan (HyungTae Kim)
Abstract	This paper proposed a tracking algorithm for the tool path of an aspherical surface in the grinding process. The algorithm is based on the concept that an operator simply puts in lens constants on the machine, and the grinding tool follows the lens surface. The ideal equation of a grinding tool path was derived from an aspherical lens equation. The path was sectioned by an arbitrary interval. The inputs of the algorithm, the acceleration and velocity, were determined from the position error at the beginning of the step. The velocity and the acceleration were updated by the position error and velocity of the previous step. This update smoothed the tool path and increased continuity. The algorithm was demonstrated on a 2-axis machine which had ball-screws and air-guide. The tool moved on both convex and concave surfaces by the proposed algorithm. Error was monitored by the change of the tool diameter. The maximum position error was under sub-micro level.
Starting Page	1
Ending Page	5
File Size	1106233
Page Count	5
File Format	PDF
ISBN	0780393112
DOI	10.1109/TENCON.2005.301165
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-11-21
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interpolation Lenses Acceleration Mirrors Telephony Error correction Monitoring Digital cameras Nonlinear equations Velocity control
Content Type	Text
Resource Type	Article

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