虚拟轴机床，结构型式，运动学分析，控制系统。
Virtual axis machine tool, Structural Form, Kinematics Analysis, Control System.
为编制虚拟轴机床数控后处理程序提供一条捷径。
A shortcut route has been provided for working out the post-process program of parallel-link machine tools.
讨论滑块式6自由度虚拟轴机床直线电机的推力补偿问题。
Thrust control of 6-dof virtual axle machine tool is studied in this paper.
如何解决耦合问题成为提高虚拟轴机床性能需要解决的重要问题之一。
There by DE coupling issue is an important one to have better performance by the virtual axle machine tool.
研究了能用作平面虚拟轴机床的三自由度平面并联机构的可能的类型。
In this paper all types of the planar parallel mechanisms with three freedoms used in planar virtual axis machine tools are analysized.
建立了一种混联型虚拟轴机床主进给机构位置分析的输入输出方程，并推导出奇异位形判别的解析表达式。
The input output equation of displacement analysis for the main feed mechanism of a new type hybrid virtual axis machine tool is established.
建立了一种混联型虚拟轴机床主进给机构位置分析的输入输出方程，并推导出奇异位形判别的解析表达式。
An analytical expression for determining singularity configuration which is a polynomial equation is set, and the numeric symbolic manipulating technique is introduced in the paper.
对于对位置伺服系统性能有较高要求的虚拟轴机床数控系统，传统的PID控制方法和自适应控制不能达到满意的控制效果。
For virtual axis machine tool that is strict with position servo system, the traditional PID and self-adaptive control method can't obtain the satisfied control effect.
虚拟轴数控机床的各伺服驱动回路由于轴间强耦合的影响，在国内外，一直是控制理论和实现技术方面的一个难题。
Servo-drive of virtual-axis machine is always a problem in control theory and application technology because it has strong coupling.
虚拟轴数控机床的各伺服驱动回路由于轴间强耦合的影响，在国内外，一直是控制理论和实现技术方面的一个难题。
Servo-drive of virtual-axis machine is always a problem in control theory and application technology because it has strong coupling.
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