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首页> 外文会议>Conference on Optical Design and Engineering; Sep 30-Oct 3, 2003; St.Etienne, France >Automated control of manufacturing sensitivity during optimization
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Automated control of manufacturing sensitivity during optimization

机译：在优化过程中自动控制制造灵敏度

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摘要

Immediately following an optimization sequence, many designers typically implement sensitivity analysis prior to more intensive tolerance analysis and system error budgeting. This paper proposes a method of automating optical design optimization into a two stage process which incorporates design sensitivity into the optimization process. The first stage consists of the standard optimization approach where the error function is a user defined combination of system performance as well as optical and physical parameter constraints. The second stage amends the error function to include the minimization of incident ray angles on each optical surface as part of the error function. The amendment to the error function in the second stage targets the root mean square of incident angles of sample rays. These rays may typically consist of the marginal ray to the image center, as well as the upper and lower rim rays to the image corner. A priority is placed on reducing large angles as the result of a least squares method. This paper will address the detailed implementation of the proposed approach inside of the optical design program. Practical examples will be presented where the proposed optimization has reduced the system sensitivity to manufacturing errors without substantially effecting image quality. The results of incorporating the amended error function into an automated global optimization approach will be described.
机译：在遵循优化顺序后，许多设计人员通常会先进行灵敏度分析，然后再进行更深入的公差分析和系统误差预算。本文提出了一种将光学设计优化自动化到两阶段过程的方法，该过程将设计敏感性纳入了优化过程。第一阶段包括标准优化方法，其中误差函数是系统性能以及光学和物理参数约束的用户定义组合。第二阶段将误差函数修改为包括将每个光学表面上的入射光线角度最小化作为误差函数的一部分。第二阶段对误差函数的修正以样品射线入射角的均方根为目标。这些光线通常可能包括到图像中心的边缘光线，以及到图像角落的上边缘光线和下边缘光线。最小二乘法的结果是减小大角度的优先考虑。本文将在光学设计程序中介绍拟议方法的详细实现。将给出实际的例子，其中所提出的优化降低了系统对制造误差的敏感性，而基本上不影响图像质量。将描述将修正的误差函数合并到自动全局优化方法中的结果。

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