形象思维与工程语言 杨培中博士副教授 上海交通大学 pzyang@sjtu.edu.cn Created by Peizhong Yang,School of Mechanical Engineering,SJTU 1
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 1 形象思维与工程语言 杨培中 博士 副教授 上海交通大学 pzyang@sjtu.edu.cn
内容 QFD回顾 House of Quality'检杳 QFD示例 关于QFD的FAQ 功能分解 辈方案选择 Created by Peizhong Yang,School of Mechanical Engineering,SJTU 2
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 2 QFD回顾 ‘House of Quality’ 检查 QFD示例 关于QFD的 FAQ 功能分解 方案选择 内容
1.QFD回顾 QFD:Quality Function Deployment 定义： 将客户需求转换成公司（工程）需求 的系统方法，包括设计的各个阶段： 从市场调研和产品开发到施工，到销 售，到配送等。 Created by Peizhong Yang,School of Mechanical Engineering,SJTU 3
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 3 1. QFD回顾 QFD：Quality Function Deployment 定义: 将客户需求转换成公司（工程）需求 的系统方法，包括设计的各个阶段： 从市场调研和产品开发到施工，到销 售，到配送等
CORRELATION MATRIX "HOW" DESIGN SPECIFICATIONS CUSTOMER COMPETITIVE RELATIONSHIP MATRIX ASSESSMENT DEGREE OF TECHNICAL DIFFICULTY "HOW MUCH· TARGET VALUES TECHNICAL COMPETITIVE ASSESSMENT SJTU 4
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 4
@9 03 △-1 @ Importance to Customer Technical Competitive Requirements Evaluation Our Company J00Ja Company A Company B Customer (5is Best) Requirements 盒 12345 Paper Doesn't Tear 3 △ O ⊙ ⊙ 文卤 Consistent Finish 1 O ▣X0 Ink Doesn't Bleed 2 回 0▣X Print Cleanly 3 o O X口 Importance Weighting 3 27 36 3627 9 Target Values 的 50 a口口 夏 Technical 4X▣ Xax Evaluation 3▣× 0× 2 OX Cre 1 5
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 5
2.House of Quality'检查 (1)空行. 定义新的EC。 o 一 o■ 阿 O (2)空列. 多余的EC。 可 百 O o o o Created by Peizhong Yang,School of Mechanical Engineering,SJTU 6
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 6 2. ‘House of Quality’ 检查 (1)空行. 定义新的EC。 (2)空列. 多余的EC
2.House of Quality'检查 (③)没有“强关联度”的行 为该CA寻找一个强关联的EC. o 一 Ao e ② o Q (4)关联度重复的行 检查CA的层次。 器 器 车 Created by Peizhong Yang,School of Mechanical Engineering,SJTU 7
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 7 2. ‘House of Quality’ 检查 (3)没有“强关联度”的行 为该CA寻找一个强关联的EC. (4)关联度重复的行 检查CA的层次
2.House of Quality'检查 (⑤)关联簇 CA的层次问题、EC的层次问题。 器 NQ■@ (⑥)有太多“关联”的行 CA可能为价格、可靠性或安全性等 ,可删除此类CA。 器 8 Created by Peizhong Yang,School of Mechanical Engineering,SJTU 8
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 8 2. ‘House of Quality’ 检查 (5)关联簇 CA的层次问题、EC的层次问题。 (6)有太多“关联”的行 CA 可能为价格、可靠性或安全性等 ，可删除此类CA
2.House of Quality'检查 (7)有太多“关联”的列 EC可能为成本、可靠性或安全性等，可删 ⊙ 除此类EC。 可@ ● o Q o (8)对角线以外的关联较少。 CA可能是EC的另外一种描述。 @ CA应该反映客户的声音而不是 @@ g 工程师的声音。 Created by Peizhong Yang,School of Mechanical Engineering,SJTU 9
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 9 2. ‘House of Quality’ 检查 (7)有太多“关联”的列 EC 可能为成本、可靠性或安全性等，可删 除此类EC。 (8) 对角线以外的关联较少。 CA可能是EC的另外一种描述。 CA应该反映客户的声音而不是 工程师的声音
2.House of Quality'检查 (9)太多的弱关联 应该发现更清晰的EC.EC应至少和一个CA 有强关联。 Created by Peizhong Yang,School of Mechanical Engineering,SJTU 10
Created by Peizhong Yang,School of Mechanical Engineering,SJTU 10 2. ‘House of Quality’ 检查 (9)太多的弱关联 应该发现更清晰的EC. EC应至少和一个CA 有强关联