Motion control system and method utilizing spline interpolation
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United States of America Patent
Stats
-
Aug 24, 2004
Grant Date -
Feb 13, 2003
app pub date -
Dec 8, 2000
filing date -
Dec 16, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A spline interpolation motion control system and method that can automatically determine where sharp corners and flat sections were intended in a part program. In one embodiment, based upon the length ratio of two consecutive spans, the system and method determines whether to interpolate the first span with a line or with a spline function. If a parameter range is not met, then the span is interpolated as a line to maintain the intended flat section in the program. Also, in this embodiment, the angle defined by a pair of consecutive spans is used to determine whether the two spans should be interpolated with lines or with splines. If a tolerance is exceeded, then the spans are interpolated linearly to maintain the intended sharp corner in the part program.
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Family
International Classification(s)
Cited Art Landscape
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