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变胞机构的基因建模理论与构态进化分析 被引量:17

Fundamentals of Metamorphic-mechanism Biological Modeling and Analysis of Configuration Evolution
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摘要 变胞机构的英文首创是'Metamorphic mechanisms'。这一概念借用了生物学中'Metamorphosis',即变形、变拓扑态、可生长并进化演化。基于这一基本概念,并结合机构的基本杆组组成原理,首次提出变胞机构具有生物特性的组成原理,定义变胞元与变胞基因,并基于变胞基本单元建立变胞机构生物特性结构模型,分析基因进化引导的构型综合思想。通过分析变胞机构的构态转化特点,讨论变胞源机构及生成方法与过程,得出变胞机构构态演变过程生物学进化特性。深入研究变胞机构在变胞进化生长过程中构型要素的转化方式与蜕化方法,建立变胞机构学具有生物演变特征的机构组成原理及进化构态建模理论。在此基础上结合传统基本机构进化生成变胞机构构型给出分析示例,并基于工作阶段子机构之间进化为变胞机构过程中不同的自由度跃迁结果,对变胞源机构的进化计算分别进行讨论。 The initiation concept of "Metamorphic mechanisms" was enlightened by "Metamorphosis" in biology, which depicts the change in the form, topology and the ability for evolution and growth. The structural composition principle and topological configuration decomposition theory for metamorphic mechanisms based on biological evolution are proposed for the first time. This fundamental study of biological modeling and configuration evolution in metamorphic mechanism synthesis leads to identification of biological modules (metamorphic cells and genes) and the genetic evolution rules and operations in this newly proposed evolutionary analysis. The configuration state of different working-phase sub-mechanisms gradually changes and develops into different forms in a particular situation and over a period of time, as an evolutionary process of topological change that takes place over several motion phases during which a taxonomic group of organisms change their physical characteristics. The concept of evolution is further introduced by applying biological concept to mechanism modeling that elementary linkages including Assur groups as cells and further break-down parts as genes are used as biological modules to develop biological modeling. The configuration transformation illustrations can further be simulated and depicted with the genetic growth and degeneration in living nature and the evolution operation is based on set theory.
出处 《机械工程学报》 EI CAS CSCD 北大核心 2008年第12期49-56,共8页 Journal of Mechanical Engineering
基金 国家高技术研究发展计划(863计划,2006AA0+2101) 英国工程与物理科学研究基金(EPSRC-EP/E012574/1)资助项目
关键词 变胞机构 进化设计 构型分析 变胞元 变胞基因 变拓扑 创新设计 仿生设计 Metamorphic mechanism Genetic design Configuration synthesis Metamorphic cell Metamorphic gene Evolutionary rules Creative design Bionic design
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参考文献9

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