# Presentation: 511258

## π

**Design Structure Matrix**
**Guiding Principles for Building a DSM in a Rapid Collaborative Design Environment**
**Method for Identifying Sub-Teams Using Loop Analysis**
**Shared Mental Models**
**Scalable Network Model of Shared Knowledge in Engineering Design**
**Metric that Captures Dynamics of Shared Knowledge**
**Explicit Connection between                                     Organizational/Social                                                              Psychology and Systems                                                      Engineering Best Practices**

- Socio-Cognitive Analysis of        Space Systems Design
- Mark S. Avnet, Ph.D. Candidate

**How can the Design Structure Matrix be used to improve the process in a rapid collaborative design environment?**
**How can a network-based approach reveal the dynamics of shared knowledge in engineering design teams?**
**What is the relationship between design process and shared knowledge in engineering systems design?**

**Analysis of Information Flow using Parameter Dependencies**

- Research Motivation

- Research Setting

- Pi-Shaped Research

- Results

- Mark S. Avnet

- Start Date: September 2005
- Research Group: Center for Aerospace Systems, Policy, and Architecture Research (CASPAR)

**π**

**Technical**

**Social**

**Scalable, Dynamic Network Model of Shared Knowledge in Design Teams**

**Relationship between Information Flow & Shared Knowledge**
**Interdisciplinary Insight on Design Process Implementation **

**ES Analysis**

**Integrated Concurrent Engineering (ICE)**
**Rapid Collaborative Design Environment**
**15 Design Sessions Observed **

- Modeling and Analysis

**Metric of Mental Model Sharedness Based on Survey Data on Perceived Design Drivers**

**Parameter-Based Design Structure Matrix (DSM) of Spacecraft Design Partitioned to Reveal Phases of the Design Life Cycle**

**Team-Based DSM Clustered to Reveal Potential Sub-Teams of Interdependent Disciplines**

**Loop Analysis**

**Structural Similarity**

***Stability                 of Shared ***
***Knowledge***

**Design Budgets Torn**

**ICE “Core” Reveals Central Role for the Communications Subsystem**

***Technical***

***Social***

***Iterate***

**The Communications subsystem appears to be an indicator of shared knowledge.  The central role of Communications in the ICE “Core” offers an explanation for this phenomenon.**

**Socio-Technical Congruence (STC)**
**Proportion of required interactions               that actually occur**
**Expected: Team DSM**
**Actual: Survey Data                                     on Team Interactions**
**Lean STC proposed to                                  account for extraneous or                                    non value-added interactions                                         by using simple matching**

- Thesis Advisor: A. L. Weigel
- Committee: C.L. Magee, J.S. Carroll, R.P. Binzel

- Key Questions

***Source (modified)*****: Robinson, G.L., “Systems Engineering Initiatives at NASA,” Goddard/SMA-D Education Series,       25 Sept 2008.**

***Source*****: Mission Design Laboratory, Integrated Design Center,               NASA Goddard Space Flight Center.**

- Contributions

**Notes:**
Suggested template for 2nd years, or so...