上海交通大学：《Systems Engineering 系统工程》课程教学资源（电子讲义）Lecture8-1 System Integration and Interface management 1-DSM

JIAOTONG UNIVERSIT 96 Systems Engineering Lecture 8-1 System Integration and Interface management 1 -DSM Instructor(s) Prof.Jianjun Gao Department of Automation School of Electronic Information and Electrical Engineering 2014 Spring

Systems Engineering Instructor(s) + - 2014 Spring System Integration and Interface management 1 -DSM Prof. Jianjun Gao Department of Automation School of Electronic Information and Electrical Engineering Lecture 8-1

Gao's V-Model Stakeholder Systems Engineering Lifecycle Analysis Overview Managment Requirement Cost and Schedule Commissioning Analysis Management Operations System Verification and Architecture Validation Tradespace System Integration: Interface management Exploration Human System Factor Design Definition and Safety Optimization CLGO System Engineering by J.J.Gao 2

+ - System Engineering by J. J. Gao 2 Gao’s V-Model Stakeholder Analysis Requirement Analysis System Architecture Tradespace Exploration Design Definition and Optimization System Integration: Interface management Verification and Validation Commissioning Operations Lifecycle Managment Systems Engineering Overview Cost and Schedule Management Human Factor System Safety

Today's Agenda Interface Management an Overview Design Structure Matrix DSM Introduction Tools and Cases Requirement Driven System Interface Domain Mapping Matrix(DMM) Axiomatic Design Warning:Interface Management DMM-DSM Design is the key issue in whole process of design,architecture,integration. CLGO System Engineering by J.J.Gao 3

+ - System Engineering by J. J. Gao 3 Today’s Agenda  Interface Management an Overview  Design Structure Matrix  DSM Introduction  Tools and Cases  Requirement Driven System Interface  Domain Mapping Matrix(DMM)  Axiomatic Design  DMM-DSM Design Warning: Interface Management is the key issue in whole process of design, architecture, integration

Decomposition Decompose a complex product/system into sub-systems and components Decompose a complex process into sub- processes and tasks Decompose a large organization into teams and individuals Credit:Professor Steve Eppinger CLGO System Engineering by J.J.Gao 4

+ - System Engineering by J. J. Gao 4 Decomposition

Decomposition The pattern of interactions between the decomposed elements define the architecture -Product/system architecture -Process architecture -Organization architecture “complex architecture” Credit:Professor Steve Eppinger CLGO System Engineering by J.J.Gao 5

+ - System Engineering by J. J. Gao 5 Decomposition

Decomposition of Piston Automobile piston Stage I Piston Pin Ring Rod Bearing Ring Conveyor 08 Nut Gantry Conveyor Pallet Indexing Feed Press SCARA Pick & Vib.feeder Place StageⅡ Indexing Figure 6 Automobile engine piston components and its assembly system decomposition CLGO System Engineering by J.J.Gao 6

+ - System Engineering by J. J. Gao 6 Decomposition of Piston

Piston Intake Valve, DCamshaft 1 Rocker Arm Spring Exhaust Valve, BValve Cover Rocker Arm Spring Intake port Spark Plug DHead Exhaust Port €Coolant ⑦Piston N Engine Block Connecting Rod Oll Pan Rod Bearing oll Sump Crankshaft D inann-nnanns 8200间4w5有孙s CLGO System Engineering by J.J.Gao 7

+ - System Engineering by J. J. Gao 7 Piston

Mapping Out Deliverables ck.d 型 Figure 5.3.2:Wall covered by deliverable cards at the offsite meeting.June 4.2002 ■ Interface management meeting in Ford Motor Company in 2002. Wall-Room with sticky notes. Designing new Engine:Ask each representative in different department to write down the input and output System Engineering by J.J.Gao CLGO 8

+ - System Engineering by J. J. Gao 8 Mapping Out Deliverables  Interface management meeting in Ford Motor Company in 2002.  Wall-Room with sticky notes.  Designing new Engine: Ask each representative in different department to write down the input and output

How Well Companies Document System Level Knowledge 100% 90% 80% 70% 60% 70% 84% 97% 口Experience 50% ▣Document 40% 30% 20% 10% 30% 16% 0% 3% CVC JNJ Ford CLGO System Engineering by J.J.Gao 9

+ - System Engineering by J. J. Gao 9 How Well Companies Document System Level Knowledge

Ariane 5 Failures -00007 A data conversion from 64-bit floating point value to 16- bit signed integer value to be stored in a variable representing horizontal bias caused a processor trap(operand error)because the floating point value was too large to be represented by a 16-bit signed integer. System Engineering by J.J.Gao CLGO 10

+ - System Engineering by J. J. Gao 10 Ariane 5 Failures  A data conversion from 64-bit floating point value to 16- bit signed integer value to be stored in a variable representing horizontal bias caused a processor trap (operand error) because the floating point value was too large to be represented by a 16-bit signed integer