IEEE Transactions on Computers
Curves and surfaces for computer aided geometric design (3rd ed.): a practical guide
Curves and surfaces for computer aided geometric design (3rd ed.): a practical guide
Intersection of offsets of parametric surfaces
Computer Aided Geometric Design
A survey of CORDIC algorithms for FPGA based computers
FPGA '98 Proceedings of the 1998 ACM/SIGDA sixth international symposium on Field programmable gate arrays
Curves and surfaces for CAGD: a practical guide
Curves and surfaces for CAGD: a practical guide
Surface Modeling for CAD - Cam
Surface Modeling for CAD - Cam
Evaluation of CORDIC Algorithms for FPGA Design
Journal of VLSI Signal Processing Systems
Area-Delay Tradeoff in Distributed Arithmetic Based Implementation of FIR Filters
VLSID '97 Proceedings of the Tenth International Conference on VLSI Design: VLSI in Multimedia Applications
An analysis and evaluation of fitness for shoe lasts and human feet
Computers in Industry
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Tool path generation is one of the most complex problems in computer aided manufacturing. Although some efficient strategies have been developed, most of them are only useful for standard machining. The algorithm called Virtual Digitizing computes the tool path by means of a virtually digitized model of the surface and a geometry specification of the tool and its motion, so it can even be used in non-standard machining. This algorithm is simple and robust and avoids the problem of tool-surface collision by its own definition. A Virtual Digitizing optimisation that makes the most of specific hardware in order to improve the algorithm efficiency is presented in this paper. A comparative study will show the gain achieved in terms of total computing time. We also present a FPGA-based architecture that can be used to produce rotations with more precision and speed than other well-known classic implementations.