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Toward the complete practicability for the linear-equation dwell time model in subaperture polishing

机译:寻求亚孔径抛光中线性方程式停留时间模型的完全实用性

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This study intends to address several problems that are still obstructing the complete practicability of the linear equation dwell time model (LEDTM) used in deterministic subaperture polishing, including memory cost, time cost, arbitrary boundary, and arbitrary tool path. For a large-scale surface error matrix, the memory cost and time cost are two major problems of concern. Here, we present a method that uses the operation of a sparse matrix to build and store the coefficient matrix of the linear equation, which can reduce the memory cost and time cost tens to hundreds of times, thus making LEDTM readily deal with a large-scale surface error matrix on a common personal computer, with a time cost of similar to 1-6 s for a surface error matrix with a scale of 300 x 300 to 600 x 600. The compatibility for an arbitrary surface error boundary and tool path is also addressed. Using the proposed method, we believe the LEDTM reaches a complete practicability in engineering. (C) 2015 Optical Society of America
机译:这项研究旨在解决仍阻碍确定性子孔径抛光中使用的线性方程式停留时间模型(LEDTM)的完全实用性的几个问题,包括存储成本,时间成本,任意边界和任意刀具路径。对于大规模的表面误差矩阵,存储成本和时间成本是需要关注的两个主要问题。在这里,我们提出一种使用稀疏矩阵的运算来建立和存储线性方程式的系数矩阵的方法,该方法可以将存储成本和时间成本降低数十到数百倍,从而使LEDTM可以轻松应对在普通个人计算机上缩放比例的表面误差矩阵,对于比例为300 x 300至600 x 600的表面误差矩阵,其时间成本类似于1-6 s。对于任意表面误差边界和刀具路径的兼容性为也解决了。使用所提出的方法,我们认为LEDTM在工程上达到了完全的实用性。 (C)2015年美国眼镜学会

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