Interpolation type automatically identified interpolation control method
A control method and self-identification technology, applied in digital control, electrical program control, etc., can solve the problems of less calculation and insufficient machining accuracy.
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[0045] Below in conjunction with accompanying drawing and embodiment the present invention is further described, with reference to accompanying drawing:
[0046] like figure 1 , an interpolation control method for self-identifying interpolation types, comprising the following steps:
[0047] The first step is to use the graphic acquisition equipment to take photos of the workpiece, and use the matlab software to process the photos to obtain the processing location point information.
[0048] The second step is to construct a uniform B-spline curve. According to the requirements of spline interpolation and the characteristics of B-spline, the value form of the node vector is:
[0049] U=[-p+1,-p+2,...,0,1,2,...,p] (1)
[0050] where p is the degree of the spline basis function. The calculation formula of the uniform B-spline basis function can be obtained from the recursive formula of the spline basis function, and the specific formula is as follows:
[0051] ...
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