排序方式： 共有2条查询结果，搜索用时 0 毫秒
1
1.
模糊控制技术发展及其应用 总被引：2，自引：0，他引：2
模糊控制是智能控制的一个重要分支,在过去十年中得到了广泛的应用。简要回顾模糊控制技术诞生和发展的历史,介绍了模糊控制技术的特点,特别是模糊控制的结构和工作原理以及模糊控制技术的最新发展,总结模糊控制技术近年来的应用。 相似文献
2.
Models for chemical reaction kinetics typically assume well-mixed conditions, in which chemical compositions change in time but are uniform in space. In contrast, many biological and microfluidic systems of interest involve non-uniform flows where gradients in flow velocity dynamically alter the effective reaction volume. Here, we present a theoretical framework for characterizing multi-step reactions that occur when an enzyme or enzymatic substrate is released from a flat solid surface into a linear shear flow. Similarity solutions are developed for situations where the reactions are sufficiently slow compared to a convective time scale, allowing a regular perturbation approach to be employed. For the specific case of Michaelis-Menten reactions, we establish that the transversally averaged concentration of product scales with the distance x downstream as x(5/3). We generalize the analysis to n-step reactions, and we discuss the implications for designing new microfluidic kinetic assays to probe the effect of flow on biochemical processes. 相似文献
1