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