Decision-Making in Engineering Design – Theory and Practice

Decision-Making in Engineering Design – Theory and Practice
اسم المؤلف
Yotaro Hatamura
التاريخ
18 أكتوبر 2019
المشاهدات
التقييم
(لا توجد تقييمات)
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Decision-Making in Engineering Design – Theory and Practice
Yotaro Hatamura (Ed.)
Translated from the Japanese by Kenji Iino With 250 Figures
Contents
1 What are Decisions? .1
1.1 Understanding the Decision Process 1
1.2 What It Is to “Make Decisions” .1
1.3 Route to Decisions .5
1.4 Decisions and Doubts 7
2 Describing and Transferring the Decision Process 13
2.1 The Need to Know the Decision Process .13
2.2 Method of Recording and Transferring the Decision Process .16
2.3 Actual Methods for Transferring Decision Processes 20
2.4 Diagrams for Expressing the Decision Process .22
2.5 Example of Recording the Decision Process .27
2.5.1 Describing What Happened . 27
2.5.2 Processes and Contents from This Event . 33
3 Decisions in Design .39
3.1 Questions about Design .39
3.2 The Mind’s Decision Process During Design 40
3.3 Constraints and Evaluation of Design .43
3.4 Describing the Design Content 46
3.5 Designers Want to Know the Reason for the Designs .47
3.6 Design Support Systems the Designer Wants 49
4 Sample Decisions in Design 55
4.1 Hydraulic Cylinder – the Mind Process of Designing One .56
4.2 Designed a Torque Sensor .65
4.3 Designed a Positioning Table 77
4.3.1 Design Specification of the Positioning Table 77
4.3.2 Analyzing the Functional Requirements . 78
4.3.3 Discussing and Determining the Basic Mechanism 78
4.3.4 Producing the Structure 80
4.4 Built an Intelligent Grinding Tool for Producing Flat Wafer Surfaces 82xii Contents
4.5 Planned and Proposed the Nanomanufacturing World Project 86
4.6 Developed the Control System for Automatic Grinding of Turbine
Blades 90
4.7 Built “Creative Design Engine” for Assisting Idea Generation .98
4.8 Guided Students’ Free Imagination in Building Stirling Engines 102
5 Real Decisions in Manufacturing 113
5.1 Decision-Making in Technology Development .114
5.1.1 Finding Out the Real Safety System at Mt Usu –
Thinking 1 .114
5.1.2 Designed a Pressure Sensor Exposed to Severe
Conditions – Thinking 2 118
5.1.3 Reduced the Weight of an Automobile Compressor –
Thinking 3 122
5.1.4 Automated the Narita Express Car Junction Hood –
Thinking 4 127
5.1.5 Developed a Telescopic Arm Clamshell Digger –
Development 1 . 131
5.1.6 Developed an Automatic Segment Construction Robot for
Sealed Tunnels – Development 2 . 137
5.1.7 Developed a System for Preventing Mobile Crane
Overturn – Development 3 . 142
5.1.8 Modified the Lighting Unit of a Wafer Character
Recognition Machine – Practice 1 148
5.1.9 Succeeded in Laser Welding by Controlling Its Tip
Distance – Practice 2 154
5.1.10 Applied IC Tagging for Managing Metal Mold Parts –
Practice 3 158
5.1.11 Modified a Sandblast Machine for PDP Class Substrate
Machining – Practice 4 . 161
5.1.12 Installed a New Cable on a Multi-Joint Robot –
Modification 1 164
5.1.13 Modified a Material Cooling System but Could Not Cut
the Cost – Modification 2 . 170
5.1.14 Successfully Anchored a Floating DNA Fiber in Liquid
– Research 1 . 171
5.1.15 Made DNA with Fluorescent Molecule Visible in Liquid
– Research 2 . 176
5.1.16 Built a Microscopic Assembly Tool – Research 3 . 180
5.1.17 Accomplished Wide-Range High-Precision Positioning
– Research 4 . 185
5.2 Decision-Making in Technology Management . 189
5.2.1 Selected a 3D CAD System – System Introduction 1 189
5.2.2 Arbitrarily Selected a CAM System – System
Introduction 2 . 192
5.2.3 Evaluated a Technology for Breaking Rocks with
Electromagnetic Force – Technology Introduction 1 . 195Contents xiii
5.2.4 To Introduce a New Forming Method to Our Main
Factory or Not – Practical Solution 1 198
6 Decisions about Individuals and Organizations .203
6.1 Decisions about Occupations .204
6.1.1 Jumped to a Small Company for a New World – Job
Change 1 . 204
6.1.2 Moved from Manufacturing to Consulting – Job Change
2 207
6.1.3 Moved from a Company to School for a Diploma – Job
Change 3 . 210
6.1.4 Resigned from a Trading Company and Became
Independent – Entrepreneurship 1 212
6.1.5 Started a New Business in the US for Building a Bridge
over the Pacific – Entrepreneurship 2 . 218
6.1.6 I Became Disabled and Selected the Course of My Life
– Turning 1 . 221
6.1.7 Jumped into an Unexplored Research Area – Turning 2 . 225
6.1.8 Built a New Lab and Research Group in a Conventional
Field – Turning 3 227
6.2 Decisions about Corporate Management .231
6.2.1 My Company will Disappear in One and a Half Years –
Operation 1 . 231
6.2.2 Forced an Organizational Change in a Traditional
University – Operation 1 . 233
6.2.3 Located a New Factory – Investment 236
6.2.4 Selected My Successor and Recommended Him –
Resources 1 . 239
6.2.5 Restructured a Department with My Own Thoughts and
Failed – Resources 2 . 241
6.2.6 Started a Young Engineers Training Program –
Management 1 243
6.2.7 Applied to a MITI Project but I Was Declined –
Management 2 246
Applying the Mind Activity for Manufacturing .249
7.1 Where in Manufacturing to Apply the Mind Activity .249
7.2 Decisions by INCS 250
7.3 Implementation by INCS 252
7.4 Outcome of the INCS Development .256
7.5 Where Does This Lead Us to in the Future? .257
Postscript .261
Index
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