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中文摘要：
为简洁实现空间曲线插补,基于开放式数控系统研究插补跨卦限策略。规划了全软件CNC系统和NC嵌入PC系统插补模块的分子模块实现理论,以圆柱螺旋线和空间直线为例,研究了坐标仿射变换、自动跨卦限处理,及基本插补子模块调用的原理和技术。最后,用自行开发的全软件CNC系统进行了实例验证。实现了开放式数控系统插补模块单元化开发,兼顾了系统开放性与实时性,相关策略和原理亦可应用于其他空间曲线的插补。
英文摘要：
To simplify the interpolation for spatial curves,the strategy of cross octant is studied based on the open CNC system.The theory of the sub-modules of the interpolation for complete software CNC system or NC embedded PC system is built.Take the cylinder spiral line and the spatial line for example,some theories and techniques are studied and resolved including affine transformation,automatic cross-octant,and calling basic sub-modules of interpolation.Finally,an illustrative example is proposed to validate its feasibility and effectiveness.Furthermore,the interpolation module can be divided into some sub-modules to develop.The balance between the openness and the real-time is achieved.Some theories and methods in this paper can be also applied to other spatial curves.
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