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ID:18810424
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页数:14页
时间:2018-09-24
《成对比较判断矩阵赋值表》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、成对比较判断矩阵赋值表(层次分析法)取值规则,层次分析法采用1~9标度方法(如表3-2所示),对不同情况的评比给出数量标度。表3-21~9数量标度取值及含义标度含义135792,4,6,8倒数表示两个因素相比,具有相同重要性表示两个因素相比,前者比后者稍重要表示两个因素相比,前者比后者明显重要表示两个因素相比,前者比后者强烈重要表示两个因素相比,前者比后者极端重要表示上述相邻判断的中间值若因素与因素的重要性之比为,那么因素与因素重要性之比为。构造出各层次中的所有判断矩阵并求得其最大特征向量的近似解中间层A1—A5各因素对目标层Z构成比较判断矩阵给出成对比较判断矩阵A中的标度数
2、值:例如:ZA1A2A3A4A5A115441A21/511/21/21/3A31/42111/4A41/42111/4A513441则可得:beconsistentwithinthesamedisk.Alternateunifiedcorerequirementsplacedontheterminalstripterminals,onlineidentityandensurethecoppercoreisnotexposed.6.4.6enclosurewithinthesametothecablecoreprovidesbindingintoacircle,harness
3、tiespacingisgenerally100mm;branchofficesshallbebindingonbothends,eachcore13beconsistentwithinthesamedisk.Alternateunifiedcorerequirementsplacedontheterminalstripterminals,onlineidentityandensurethecoppercoreisnotexposed.6.4.6enclosurewithinthesametothecablecoreprovidesbindingintoacircle,har
4、nesstiespacingisgenerally100mm;branchofficesshallbebindingonbothends,eachcore13第一层次:序号项目A1结构A2机构A3电气系统A4安全附属装置A5基础、配重ZA1A2A3A4A5A113541A21/31321A31/51/3143A41/41/21/411A5111/311第二层次:A1:结构:序号项目A11起重臂A12回转台A13底座或底架A14人字架A1A11A12A13A14A111533A121/5133A131/31/313A141/31/51/31A2:机构序号项目A21起升机构A22
5、变幅机构A23回转机构A2A21A22A23A21135A221/311A231/511A3:电气系统序号项目A31动力回路A32控制回路A33接地系统A3A31A32A33A31115A32113A331/51/31A4:安全附属装置序号项目A41起重力矩限制器(起重量限制器)A42起升高度限制器A43变幅角度限制器A44防后倾装置A45回转限制装置A46防护装置A47其它防护装置(抓斗稳定器)A4A41A42A43A44A45A46A47A411353599A421/3124355A431/51/216133A441/31/41/61353A451/51/311/3131
6、A461/91/51/31/51/311A471/91/51/31/3111A5:基础、配重序号项目A51基础A52配重A5A51A52A5115A521/51beconsistentwithinthesamedisk.Alternateunifiedcorerequirementsplacedontheterminalstripterminals,onlineidentityandensurethecoppercoreisnotexposed.6.4.6enclosurewithinthesametothecablecoreprovidesbindingintoacircl
7、e,harnesstiespacingisgenerally100mm;branchofficesshallbebindingonbothends,eachcore13第三层次:A1:结构A11:起重臂序号评价要点A111臂架尺寸参数及总体几何尺寸几何缺陷A112臂架弦杆、腹杆几何缺陷A113锈蚀状况A114销轴螺栓连接部位安全状况A115焊缝锈蚀与外观缺陷A116焊缝宏观裂纹A11A111A112A113A114A115A116A111153231A1121/514133A1131/31/41361A
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