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0pt;">在可靠性方面采取保障技术的同时，还应从故障诊断出发，建立</span><b><span lang="EN-US" style="font-size:9.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"><a href="http://www.bethel-cnc.com/"><span lang="EN-US" style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">加工中心</span></a></span></b><span style="line-height: 19.45pt; text-indent: 0pt; font-size: 9pt; font-family: 宋体; letter-spacing: 0pt;">故障诊断技 术，以满足用户可用性需求。故障诊断就是在系统正处于运行状态时，掌握系统的运行状态，对故障位置进行定位和原因追溯，进而分析其可能发展方向以便采取必要对策。究其 作用主要有两个，一是预防故障发生，二是及早发现出现故障的原因，以利于迅速采取修 复措施。因此迅速查找故障源就成为故障诊断的重要方面，而基于</span><span class="17" style="line-height: 19.45pt; text-indent: 0pt; font-size: 9pt; font-family: 'Times New Roman'; letter-spacing: 0pt;">DEMATEL</span><span style="line-height: 19.45pt; text-indent: 0pt; font-size: 9pt; font-family: 宋体; letter-spacing: 0pt;">-</span><span class="17" style="line-height: 19.45pt; text-indent: 0pt; font-size: 9pt; font-family: 'Times New Roman'; letter-spacing: 0pt;">ISM</span><span style="line-height: 19.45pt; text-indent: 0pt; font-size: 9pt; font-family: 宋体; letter-spacing: 0pt;">的故障 诊断方法能够针对实验数据得到相关故障，经过一些运算后进行分层重构，以便对故障源 的搜索范围进行有效缩小，使得探寻真正产生故障部件的时间达到最短，从而实现故障诊 断精确定位。</span></p> <p class="NewStyle24" style="margin-left: 0pt; text-indent: 0pt; line-height: 13pt;"><!--[if !supportLists]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">[41] </span><!--[endif]--><span style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">DEMATEL/ISM</span><span class="16" style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;"> </span><span class="16" style="font-family: MingLiU; letter-spacing: 0pt; font-size: 9pt;">集成原理</span><span style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="NewStyle23" style="margin-left: 0pt; text-indent: 18pt; line-height: 11.5pt;"><span class="19" style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">决策实验室分析法</span><span style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">（Decision</span><span class="19" style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"> </span><span style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">Making</span><span class="19" style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"> </span><span style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">Trial</span><span class="19" style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"> </span><span style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">and</span><span class="19" style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"> </span><span style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">Evaluation</span><span class="19" style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"> </span><span style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">Laboratory</span><span class="19" style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">, </span><span style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">DEMATEL</span><span class="19" style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">)</span><span class="19" style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">作</span><span style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="NewStyle22" style="margin-left: 0pt; text-indent: 0pt; line-height: 19.45pt;"><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">为目前分析系统最为常用的方法之一，可将比较抽象的相关关系转化为比较直观的模型结 构，工作人员可以利用这样的模型对模型内部各元素之间的依存关系进行分析和计算，通 过矩阵以及图论等相关知识与工具，实现关键因素的确定</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt; vertical-align: super;">[144</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">_</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt; vertical-align: super;">149]</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">。本文就是在充分分析相 关故障的前提下，利用上述方法得到故障有向图，建立矩阵进行计算，利用所得被影响度、 原因度、影响度以及中心度四者来分析故障的相关程度，明确系统内部故障之间的故障传 递过程，从而发现故障发展传递过程中的关键因素和影响程度。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="NewStyle22" style="margin-left: 0pt; text-indent: 18pt; line-height: 19.45pt;"><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">解释结构模型</span><span class="17" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">（Interpretive</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"> </span><span class="17" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">Structural</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"> </span><span class="17" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">Modeling</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">, </span><span class="17" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">ISM</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">)</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">是为实现宏观经济系统等相关 问题研究而开发的一种模型。解释结构系统的设计思路主要在于通过将复杂的大系统分解 为若干子系统进行分析和有向图描述，利用邻接矩阵揭示系统要素间的直接关系，并实现 将邻接矩阵向可达矩阵的转化，再对可达矩阵进行分解，这样就最终实现了由复杂系统向 多个层次系统模型转化的模型构建</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt; vertical-align: super;">[15(</span><span class="17" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt; vertical-align: super;">M</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt; vertical-align: super;">52]</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">，得到多级的递阶层次结构模型，相关人员可利 用该模型做出相应解释。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"><o:p></o:p></span></p> <p class="NewStyle22" style="margin-left: 0pt; text-indent: 18pt; line-height: 19.45pt;"><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">为了实现系统要素之间关系的简化且明晰的表示，同时为了对</span><span class="17" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">ISM</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">建模中复杂矩阵运 算进行简化，本文集成</span><span class="17" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">DEMATEL</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">/</span><span class="17" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">ISM</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">法对</span><b><span lang="EN-US" style="font-size:9.0pt;font-family:"Times New Roman";mso-fareast-font-family: 宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA"><a href="http://www.bethel-cnc.com/bethel/cnc/">CNC<span lang="EN-US" style="font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman""><span lang="EN-US">加工中心</span></span></a></span></b><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">进行故障相关关系分析，从而构成加 工中心故障诊断技术。首先，依据子系统故障相关数据进行子系统故障相关有向图的创建; 其次，根据</span><span class="17" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">DEMATEL</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">计算获取系统影响因素间的综合影响关系矩阵:</span><span class="17" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">T</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">，</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">进而获悉加工中 心每个子系统的影响度、被影响度、中心度与原因度，得到故障子系统相关度排序，据此 可找出关键活跃子系统；第三，明确系统整体影响矩阵好，好</span><span class="17" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">=：T</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;"> + /，</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">可依据整体影 响矩阵好与可达矩阵</span><span class="17" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">M</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">之间的映射关系得到可达矩阵</span><span class="17" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">M</span><span class="21" style="font-family: 宋体; letter-spacing: 1.5pt; font-size: 9pt;">;</span><span class="21" style="font-family: 宋体; letter-spacing: 1.5pt; font-size: 9pt;">最后，融合</span><span class="17" style="font-family: 'Times New Roman'; letter-spacing: 0pt; font-size: 9pt;">ISM</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 9pt;">法对系统进行 等级和区域划分，构建系统要素间的层次结构关系。这样集成两种方法之后，不但能够清 楚故障传递的过程，还能清楚故障的影响程度如何，方便进行故障诊断。</span></p> <p class="MsoNormal"><span style="font-size:9.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">本文采摘自“基于</span><span lang="EN-US" style="font-size:9.0pt">QFD</span><span style="font-size:9.0pt; font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">的加工中心可用性保障技术研究”，因为编辑困难导致有些函数、表格、图片、内容无法显示，有需要者可以在网络中查找相关文章！</span><span lang="EN-US" style="font-size:9.0pt"><o:p></o:p></span></p> <p class="MsoNormal"><span style="font-size:9.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman"; mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">本文由伯特利数控整理发表文章均来自网络仅供学习参考，转载请注明！</span></p> <p class="NewStyle22" style="margin-left: 0pt; text-indent: 18pt; line-height: 19.45pt;"><span 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