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《Journal of Xi'an Jiaotong University》 2002-11
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Effective Method of Forward Displacement Analysisfor Virtual Axis Machine Tool

Jiang Hong,Zheng Kangping,Wang Jun,Wang Xiaochun (School of Mechanical Engineering, Xi′an Jiaotong University, Xi′an 710049, China)  
In consideration of the continuity and possibility of machine tool movement, an algorithm to carry out the forward displacement based on the reverse displacement analysis is proposed. The initial position and pose of movable platform are supposed firstly, and the initial position and pose are corrected by the difference between calculated lengths of six legs and the given ones. After several iteration steps, the actual solution of forward displacement analysis can be obtained. Since the reverse displacement analysis is very easy to calculate, the above algorithm ensures that the calculating speed is greatly enhanced and the expended calculating time can meet the requiremnt in a real-time control process.
【CateGory Index】: TG659
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