Trajectory Dynamic Control for CNC Machining Based on Motion Equation

Yong Min Jiang; De Kun Yue

doi:10.4028/www.scientific.net/AMR.1055.224

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1055Trajectory Dynamic Control for CNC Machining Based...

Trajectory Dynamic Control for CNC Machining Based on Motion Equation

Abstract:

In order to raising the accuracy class, reduction procedure, give up interpolate calculation, it is presented a physical law control method to substitute position control way. Assuming working in ideal condition, a physical motion model of CNC machine tool is built. The relation between geometric parameters, motion parameters and planning parameters is studied with kinematics principle and geometric principle. The motion differential equations are worked out, calculating the equations with trajectory function and planning parameters, the transient motion parameters of coordinate axes can be gotten. In other words, the physical law can be found out. The numbers of trajectory point are infinity, the regularity, however, is one only. Therefore, the control method by physical law is a short-cut and all-sided method. It is proved by experiment and simulation that it is more simple and more comprehensive way.

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Periodical:

Advanced Materials Research (Volume 1055)

Pages:

224-228

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1055.224

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Online since:

November 2014

Authors:

Yong Min Jiang*, De Kun Yue

Keywords:

CNC Machining Motion, Dynamic Error, Relative Space-Time, Trajectory Control

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* - Corresponding Author

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