Time optimal cyclic crystallization

Time optimal cyclic crystallization
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DOI:
10.1016/j.compchemeng.2013.05.005
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发表时间:
2013-11-11
影响因子:
4.3
通讯作者:
Bajcinca, Naim
Bajcinca, Naim
中科院分区:
工程技术2区
文献类型:
--
作者:
Bajcinca, Naim

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本文提出了一种时间最优的周期控制方案,用于包括后续生长和溶解阶段序列的多变量晶体布居的形状控制。这种策略使用不同的生长和溶解速率来获得形态,而不仅仅是纯生长或溶解阶段直接产生的形态。我们证明了最小时间轨迹可以通过凸规划来构造,从而得到具有分段常数过饱和的全局最优双峰控制策略。(C)2013爱思唯尔有限公司。保留所有权利。
A time optimal cyclic control scheme for shape manipulation of multivariate crystal populations involving sequences of subsequent growth and dissolution phases is proposed in this note. Such strategies employ the unequal growth and dissolution rates for attaining morphologies that do not result directly from a pure growth or dissolution phase only. We prove that minimum time trajectories can be constructed by means of convex programs resulting in globally optimal bimodal control policies with piecewise constant supersaturation. (c) 2013 Elsevier Ltd. All rights reserved.