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Search Results: 1 - 10 of 7048 matches for " 张家玮 "
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晶圆厂最适产能规模决策模式
A Model to Determine the Best Capacity Scale of Fab for Semiconductor Fabrication
 [PDF]

杜莹美, 张家
Management Science and Engineering (MSE) , 2015, DOI: 10.12677/MSE.2015.41B003
Abstract:

近年来半导体厂商为了满足需求并提升竞争力,除了在旧厂中增添机台外,也加盖新厂。新厂除了技术层次提升外,最大的特色就是规模加大。然而对于这样大型的晶圆厂,究竟多大的规模才是最佳的设计?因此,本研究提出一套产能规模决策模式以决定一个较佳产能规模。模式中首先透过专家意见定义出需求、绩效、成本、意外为影响规模之重要构面,并运用FAHP方法求算各构面对于产能规模影响之权重值。此外,在决策模式中也针对各个构面对于产能规模的影响加以分析以建构其评分模式。在需求构面方面主要是运用未来之需求预测与该规模之差距比作为评分之标准。绩效构面则使用不同产能规模下之生产周期时间与理论周期时间之比率,并与公司之目标值差异程度作为评分依据。而成本构面则以规模经济之概念探讨在不同产能规模下之设备成本。最后在意外构面方面之评估则是利用保险业依不同产能规模与风险程度考虑收取保费之观念加以应用。综合上述概念,进而发展出最适厂区规模大小之决策模式。


In order to meet market demand and increase competitive advantage, semiconductor manufacturing companies will expand the capacity in the existed fab or build new fab. Normally, except more advanced technology, the most significant characteristic of new fab is larger scale than existed fab. Although there are many benefits of a so-called Giga-fab, such as lower cost, shorter cycle time and more flexibilities etc., the Giga-fab scale will also increase risk of production management significantly. Therefore, the best capacity scale of Giga-fab is still an issue in this decade. In this work, a model to determine the best capacity scale of fab is proposed. Based on the opinions of experts, four decision criteria are defined, including demand, production performance, cost and accident. Besides, fuzzy analytic hierarchy process (FAHP) is applied to decide the weighting of these decision criteria. Regarding to the impact of decision criteria on capacity scale, four scoring equations are constructed. First of all, the 5-year demand forecast is considered as demand criterion and compared with the capacity scale. Secondly, production performance is focused on the changes of products’ cycle time under each specific scale level and the concept of X-factor is applied to the scoring. Thirdly, the cost criterion is based on the concept of economies of scale. Finally, regarding to the accident criterion, we use the concept of the insurance fee under different scale and risk to estimate the level of accident for different scale. By combining these scores of four criteria with their weightings, the best capacity scale can be determined ultimately.


调肝理脾治验4则
张家
中国中医药信息杂志 , 2009,
Abstract:
History Progress of Pharmacology of Traditional Chinese Medical Formulae about Liuwei Dihuang Pill and its clinical application in ancient times
六味地黄丸方剂学历史沿革及古代临床应用概况

Zhang Jiawei,
张家

世界科学技术-中医药现代化 , 2006,
Abstract: This article summarizes literature on pharmacology of traditional Chinese medical formulae of Liuwei Dihuang pill, as well as analyses clinical application of this recipe in ancient times.
恒载效应对拱形梁的影响分析
周世军,张家
工程力学 , 2010,
Abstract: 应用虚功原理,推导了考虑恒载效应影响时拱形梁在活载作用下的非线性微分方程。根据所得方程,利用Galerkin方法讨论了恒载大小及结构自身刚度(矢高、跨度、惯性矩、惯性半径等)等不同因素在考虑恒载效应时对拱形梁静力特性的影响。通过与直梁解析解结果及作者在其它文献中提出的有限元方法对拱形梁分析结果的比较,验证了该文非线性微分方程及其求解公式。结果表明:该文给出的非线性微分方程对于拱形梁和直线梁具有通用性,初始恒载的存在减小了拱形梁在活载作用下的静力反应,这种影响与恒载的大小及结构自身的刚度有关。对轻型结构的设计提出了一些建议。
方剂学发展溯源
张家,鲁兆麟
中国中医药信息杂志 , 2001,
Abstract:
有效成分组??中药复方活性物质基础研究方法刍议
张家,孙建宁,张爱林
中国中医药信息杂志 , 2006,
Abstract:
金匮肾气丸对金匮肾气丸证患者免疫功能的影响
张家,指导:鲁兆麟
中国中医药信息杂志 , 2002,
Abstract:
中药新药开发现代化研究刍议
裘俭,张家,程英
中国中医药信息杂志 , 1999,
Abstract: 在保持发扬中医药传统特色及优势的同时,充分利用现代科技手段和方法研究开发符合国际市场需求的现代中药,提高我国中药产品在国际市场上的竞争能力,是中药新药开发研究现代化的重要课题.1中药新药质量控制现代化目前,在我国的5000多种中成药中,绝大多数缺少切实可行的质量控制标准,不仅药品的稳定性、均一性得不到确切的保证,药品的有效性也相应受到不同程度的影响.中成药缺少有效成分指标的检测,特别是贵重中药材在成药中的含量尚无确切的检测指标可循,影响了中成药的信誉度.另外,某些中成药重金属及农药残留物限量的超标,少数有毒中药材(如川乌)不合理炮制后入药等,也都直接影响了中成药出口贸易的顺利进行。因此,目前应加大对我国现有中药生产厂家的管理及中药新药产品的质量监测力度,同时应结合国际通行标准,尽快制定出国际认可的中药新药质量控制标准.
CEEMD和MCKD的滚动轴承早期故障特征提取
Early Fault Feature Extraction of Rolling Bearings Applying CEEMD-MCKD

杨斌,张家,王建国,张超
- , 2018,
Abstract: 当滚动轴承处于早期故障阶段的时候,受环境噪声和信号衰减的影响,滚动轴承振动信号特征频率成分难以精确提取,并且在信噪比较低时CEEMD不能很好提取微弱故障。针对上述问题,提出了基于互补集合经验模态分解(Complementary ensemble empirical mode decomposition,CEEMD)和最大相关峭度解卷积(Maxim correlated kurtosis deconvolution,MCKD)相结合的故障特征提取方法(CEEMD-MCKD)。两种方法的结合有效解决了CEEMD分解后无法提取出淹没在背景噪声中微弱信号特征的问题,又保持了信号的完备性,避免了有用信息的损失。通过仿真和试验验证了该方法的有效性及优点。
Early fault feature of rolling bearings is very weak and affected by environmental noise and the signal attenuation, the vibration signal characteristic frequency of the rolling bearing is difficult to be accurately extracted; and the background noise is very strong, which will affect the ability of the CEEMD to extract weak signal feature. Aiming at this problem, the paper put forward an integrated diagnosis method based on the complementary ensemble empirical mode decomposition (CEEMD) and maxim correlated kurtosis deconvolution (MCKD). The combination of the two methods effectively solves the problem of weak signal characteristics that cannot be submerged in background noise after CEEMD decomposition, and the completeness of the signal is maintained, and the loss of useful information is avoided. The simulation signal and experimental data prove the effectiveness and advantages of the proposed method
道德伪善解释水平视角下的认知差异
Cognitive differences in moral hypocrisy from construal level perspective

冯曦,,张家
- , 2018,
Abstract: 本文从解释水平理论的视角出发,探讨自己决策和为他人提供建议是否存在道德行为上的差异。提 出为自己和为他人决策时,决策者对决策问题的解释水平存在差异, 前者采用低解释水平表征决策问题,后者则 采用高解释水平。这一认知方式的差异进而导致不同的决策结果。另外,为自己做道德决策时是否功利具有情境 性,意识到自己—他人决策存在差异及其原因,既能加深对有限理性的理解,又有助于在实际决策中避免或利用 这些差异, 从而做出最佳决策。
This study investigated the characteristics of providing suggestions for oneself versus for others in ethical decision-making and the differences between them based on construal level theory (CLT). The mental construals are low when people make decisions for themselves, whereas the mental construals are high when they decide for others. The differences in cognitive way lead to the differences of the decision. What’ s more, situation influences the utilitarian weight in making moral decision for oneself. Theoretically, self-other decision-making differences are illustrations of bounded rationality. Practically, understanding such differences as well as their mechanisms helps to achieve optimal decisions
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