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Lp-Adaptation: Simultaneous Design Centering and Robustness Estimation of Electronic and Biological Systems

机译:Lp-适应:电子和生物系统的同时设计中心和鲁棒性估计

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摘要

The design of systems or models that work robustly under uncertainty and environmental fluctuations is a key challenge in both engineering and science. This is formalized in the design-centering problem, which is defined as finding a design that fulfills given specifications and has a high probability of still doing so if the system parameters or the specifications fluctuate randomly. Design centering is often accompanied by the problem of quantifying the robustness of a system. Here we present a novel adaptive statistical method to simultaneously address both problems. Our method, L p-Adaptation, is inspired by the evolution of robustness in biological systems and by randomized schemes for convex volume computation. It is able to address both problems in the general, non-convex case and at low computational cost. We describe the concept and the algorithm, test it on known benchmarks, and demonstrate its real-world applicability in electronic and biological systems. In all cases, the present method outperforms the previous state of the art. This enables re-formulating optimization problems in engineering and biology as design centering problems, taking global system robustness into account.
机译:在不确定性和环境波动下能稳定工作的系统或模型的设计是工程和科学领域的主要挑战。这在以设计为中心的问题中正式化了,该问题定义为找到满足给定规格的设计,并且如果系统参数或规格随机波动,则很有可能仍会这样做。设计居中通常伴随着量化系统健壮性的问题。在这里,我们提出了一种新颖的自适应统计方法来同时解决这两个问题。我们的方法L p-Adaptation受生物系统鲁棒性的发展以及凸体积计算的随机方案的启发。它能够解决一般非凸情况下的两个问题,并且计算成本较低。我们将描述该概念和算法,在已知的基准上对其进行测试,并演示其在电子和生物系统中的实际应用。在所有情况下,本方法均优于现有技术。考虑到全局系统的健壮性,这可以将工程和生物学中的优化问题重新设计为设计中心问题。

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