Please use this identifier to cite or link to this item: https://doi.org/10.1016/0166-3615(92)90095-5
Title: Circular interpolators for numerical control. A comparison of the modified DDA techniques and an LSI interpolator
Authors: Lim, F.S.
Wong, Y.S. 
Rahman, M. 
Issue Date: Jan-1992
Citation: Lim, F.S., Wong, Y.S., Rahman, M. (1992-01). Circular interpolators for numerical control. A comparison of the modified DDA techniques and an LSI interpolator. Computers in Industry 18 (1) : 41-52. ScholarBank@NUS Repository. https://doi.org/10.1016/0166-3615(92)90095-5
Abstract: In numerical control of machine tools, the control of the tool path to follow a specific curve is accomplished by interpolation. A well-known interpolation technique is based on the functional operation of the digital differential analyzer (DDA) integrator. This method of NC path control can be implemented on-line using digital hardware or software. This paper discusses modifications of the DDA interpolation technique for improved accuracy and computation speed, whilst retaining the suitability of the technique for integer computation or implementation using digital hardware. Results obtained from the best modified DDA technique are compared with those obtained from a widely-reported LSI hardware interpolator.
Source Title: Computers in Industry
URI: http://scholarbank.nus.edu.sg/handle/10635/92667
ISSN: 01663615
DOI: 10.1016/0166-3615(92)90095-5
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