A fully closed-loop motion control method for multi-axis linkage dynamic correction of interpolation position
A technology of dynamic correction and multi-axis linkage, which is applied in general control systems, program control, computer control, etc., can solve the problems of reducing the service life of machine tools, affecting the processing accuracy of workpieces, and unstable processing speed, so as to improve processing accuracy and dynamic Good stability and stable effect
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[0049] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0050] The full-closed-loop motion control of multi-axis linkage dynamic correction includes: 1) Adjust the command position of each axis according to the deviation between the actual position of each axis collected and the actual position of the motor; 2) Map the adjusted command position of each axis into a trajectory command position on the .
[0051]Among them, the data acquisition and deviation calculation are realized based on the double feedback method of motor and machine tool position. Breaking the concept of traditional motion trajectory planning, the axis feedback position obtained by the external position sensing device such as the grating scale at the final execution end of the machine tool axis, and the axis feedback position calculated by the feedback of the servo motor encoder, the difference between the two is the axis motion ...
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