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Even when based on simple models, a fed-batch fermentation process can demonstrate several different forms of complex dynamic behaviours throughout the course of its operation. One of the most intriguing forms of dynamic behaviours that can occur at some points during the fed-batch operation is represented by a fourth-order integrating-unstable system with multiple RHP zeros. To deal with the stabilization of this complex dynamics, a new triple-loop multi-scale control (TL-MSC) scheme is proposed. This scheme aims to first decompose the complex dynamics into three simpler sub-systems which are then separately addressed in a multi-scale structure. This paper presents both the fundamental of TL-MSC scheme and the details of its design. A typical fed-batch alcoholic fermentation is shown as an example to demonstrate the applicability of the new scheme. 相似文献
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在高职院校教育发展中落实科学发展观,坚持以人为本,构建充满活力的高职教育体系,才能适应经济社会发展的需求.文章从分析目前高等职业教育的困境入手,提出了加强基础能力建设,构建高职教育体系新立交,建立职业资格认证体系、加大政府和社会资助的高职教育体系构建思路. 相似文献
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