Designing Embodiment Design Processes Using a Value-of-Information-Based Approach With Applications for Integrated Product and Materials Design

2008 ◽  
Author(s):  
M. Messer ◽  
J. H. Panchal ◽  
J. K. Allen ◽  
F. Mistree ◽  
V. Krishnamurthy ◽  
...  
Keyword(s):  
Design Process ◽  
Value Of Information ◽  
Performance Indicator ◽  
Materials Design ◽  
Process Performance ◽  
Photonic Crystal Waveguides ◽  
Design Processes ◽  
Embodiment Design ◽  
A Value ◽  
Systematic Strategy

Designers are continuously challenged to manage complexity in embodiment design processes (EDPs), in the context of integrated product and materials design. In order to manage complexity in design processes, a systematic strategy to embodiment design process generation and selection is presented in this paper. The strategy is based on a value-of-information-based Process Performance Indicator (PPI). The approach is particularly well-suited for integrated product and materials design, and all other scenarios where knowledge of a truthful, i.e., perfect, design process and bounds of error are not available in the entire design space. The proposed strategy is applied to designing embodiment design processes for photonic crystal waveguides in the context of a next-generation optoelectronic communication system. In this paper, it is shown that the proposed strategy based on the Process Performance Indicator is useful for evaluating the performance of embodiment design processes particularly when accuracy of the prediction or the associated error bounds are not known.

Model Selection Under Limited Information Using a Value-of-Information-Based Indicator

2010 ◽  
Vol 132 (12) ◽  
Author(s):  
Matthias Messer ◽  
Jitesh H. Panchal ◽  
Vivek Krishnamurthy ◽  
Benjamin Klein ◽  
P. Douglas Yoder ◽  
...  
Keyword(s):  
Value Of Information ◽  
Performance Indicator ◽  
Materials Design ◽  
Design Decision ◽  
Limited Information ◽  
Photonic Crystal Waveguides ◽  
A Value ◽  
Systematic Strategy ◽  
The Impact ◽  
True System

Designers are continuously challenged by complexity, as well as by the excessive instantiation and execution times of models, particularly in the context of integrated product and materials design. In order to manage these challenges, a systematic strategy for evaluating and selecting models is presented in this paper. The systematic strategy is based on value-of-information for design decision making. It consists of a (i) process performance indicator (PPI) to quantify the impact of model refinement from a decision-centric perspective and (ii) a method involving model evaluation. Using this method, a least complex but valid model is evaluated, and, only if necessary, gradually refined it until the most appropriate one is selected. The systematic approach is particularly well suited for integrated product and materials design, and all other scenarios where the perfect knowledge of the true system behavior and bounds of error are not available throughout the design space. The proposed strategy is applied to the design of photonic crystal waveguides for use in a next-generation optoelectronic communication system. In this paper, it is shown that the systematic strategy based on the PPI is useful for evaluating and selecting models particularly when accuracy of the prediction or the associated error bounds are not known.

Managing Design Process Complexity: A Value-of-Information Based Approach for Scale and Decision Decoupling

2007 ◽  
Author(s):  
Jitesh H. Panchal ◽  
Christiaan J. J. Paredis ◽  
Janet K. Allen ◽  
Farrokh Mistree
Keyword(s):  
Design Process ◽  
Value Of Information ◽  
Cooling System ◽  
Design Decision ◽  
Interaction Patterns ◽  
Functional Requirements ◽  
Design Processes ◽  
A Value ◽  
Complex Design ◽  
The Impact

Design processes for multiscale, multifunctional systems are inherently complex due to the interactions between scales, functional requirements, and the resulting design decisions. While complex design processes that consider all interactions lead to better designs; simpler design processes where some interactions are ignored are faster and resource efficient. In order to determine the right level of simplification of design processes, designers are faced with the following questions: a) how should complex design-processes be simplified without affecting the resulting product performance? and b) how can designers quantify and evaluate the appropriateness of different design process alternatives? In this paper, the first question is addressed by introducing a method for determining the appropriate level of simplification of design processes — specifically through decoupling of scales and decisions in a multiscale problem. The method is based on three constructs: interaction patterns to model design processes, intervals to model uncertainty resulting from decoupling of scales and decisions, and value of information based metrics to measure the impact of simplification on the final design outcome. The second question is addressed by introducing a value-of-information based metric called improvement potential for quantifying the appropriateness of design process alternatives from the standpoint of product design requirements. The metric embodies quantitatively the potential for improvement in the achievement of product requirements by adding more information for design decision making. The method is illustrated via a datacenter cooling system design example.

Managing Design-Process Complexity: A Value-of-Information Based Approach for Scale and Decision Decoupling

2009 ◽  
Vol 9 (2) ◽  
Author(s):  
Jitesh H. Panchal ◽  
Christiaan J. J. Paredis ◽  
Janet K. Allen ◽  
Farrokh Mistree
Keyword(s):  
Design Process ◽  
Value Of Information ◽  
Cooling System ◽  
Design Decision ◽  
Interaction Patterns ◽  
Functional Requirements ◽  
Design Processes ◽  
A Value ◽  
Complex Design ◽  
The Impact

Design-processes for multiscale, multifunctional systems are inherently complex due to the interactions between scales, functional requirements, and the resulting design decisions. While complex design-processes that consider all interactions lead to better designs, simpler design-processes where some interactions are ignored are faster and resource efficient. In order to determine the right level of simplification of design-processes, designers are faced with the following questions: (a) How should complex design-processes be simplified without affecting the resulting product performance? (b) How can designers quantify and evaluate the appropriateness of different design-process alternatives? In this paper, the first question is addressed by introducing a method for determining the appropriate level of simplification of design-processes—specifically through decoupling of scales and decisions in a multiscale problem. The method is based on three constructs: interaction patterns to model design-processes, intervals to model uncertainty resulting from decoupling of scales and decisions, and value-of-information based metrics to measure the impact of simplification on the final design outcome. The second question is addressed by introducing a value-of-information based metric called the improvement potential for quantifying the appropriateness of design-process alternatives from the standpoint of product design requirements. The metric embodies quantitatively the potential for improvement in the achievement of product requirements by adding more information for design decision-making. The method is illustrated via a datacenter cooling system design example.

Design Actor-Based Representation of Iterative Design Process for Embodiment Design

1994 ◽  
Author(s):  
Jeong-Soo Ahn ◽  
Kyihwan Park ◽  
Richard H. Crawford
Keyword(s):  
Design Process ◽  
Information Exchange ◽  
Computational Design ◽  
Disk Drive ◽  
Functional Dependencies ◽  
Design Processes ◽  
Feedback Information ◽  
Iterative Design ◽  
Embodiment Design ◽  
Optical Disk Drive

Abstract Design activities consists not only of product design, but also of development of the process by which the product will be designed. However, development and documentation of computational design processes are largely unsupported by commercial CAD systems. This paper proposes a new computational architecture for procedural representation of embodiment design processes. A design actor is defined as an independent computational unit of the design process. The proposed architecture models a design process as a sequence of design tasks by representing individual parameters and tasks as design actors, and the sequence of design tasks as a network of design actors assembled according to their functional dependencies. The use of design actors promotes modularity in representing design problems and solution processes. Iterative design processes can be represented since the architecture provides explicit feedforward and feedback information exchange between design actors. The paper describes an object-oriented implementation of the design actor architecture, and demonstrates the approach with an example design of an air-core solenoid in an optical disk drive.

From Values to Design Requirements

2020 ◽  
Author(s):  
Christoffer Madsen ◽  
Sebastian Madsen ◽  
Mikkel Mørk
Keyword(s):  
Design Process ◽  
General Requirement ◽  
Design Processes ◽  
A Value ◽  
Design Requirements ◽  
Downstream Movement

In this paper, we aim to highlight important challenges that are integral to any design process that purports to be essentially value-driven or value-geared. For value-driven design processes specifically, we formulate a guidance requirement that serves as a general requirement for any value-driven design. Furthermore, we sketch a preliminary structure for a value-driven design process consisting of an upstream and a downstream movement that translates values into design requirements. We argue that the two movements form a design loop and that it is through the iterations of this loop that we make a design process that satisfies the guidance requirement.

Designing Design Processes for Integrated Materials and Products Realization: A Multifunctional Energetic Structural Material Example

2006 ◽  
Author(s):  
Jitesh H. Panchal ◽  
Hae-Jin Choi ◽  
Janet K. Allen ◽  
David L. McDowell ◽  
Farrokh Mistree
Keyword(s):  
Structural Material ◽  
Design Process ◽  
Value Of Information ◽  
Integrated Design ◽  
Simulation Models ◽  
Interaction Patterns ◽  
Model Design ◽  
Design Processes ◽  
Information Metrics ◽  
Sufficient Strength

We present an approach for the integrated design of materials, products, and design processes. The approach is based on the use of reusable interaction patterns to model design processes, and the consideration of design process decisions using the value of information metrics. The approach is presented using a multifunctional energetic structural materials (MESM) design example. The design objectives in the example include sufficient strength and energy release capabilities. The design is carried out by using simulation models at different scales that model different aspects of the system. Preliminary results from the application of the approach to the MESM design problem are discussed. In this paper, we show that the integrated design of materials and products can be carried out more efficiently by considering the design of design processes.

Causing a Stir

2019 ◽  
Vol 2 (1) ◽  
Author(s):  
Camilo POTOCNJAK-OXMAN
Keyword(s):  
Design Process ◽  
Collaborative Design ◽  
Entrepreneurial Activity ◽  
Design Team ◽  
Design Processes ◽  
Early Stages

Stir was a crowd-voted grants platform aimed at supporting creative youth in the early stages of an entrepreneurial journey. Developed through an in-depth, collaborative design process, between 2015 and 2018 it received close to two hundred projects and distributed over fifty grants to emerging creatives and became one of the most impactful programs aimed at increasing entrepreneurial activity in Canberra, Australia. The following case study will provide an overview of the methodology and process used by the design team in conceiving and developing this platform, highlighting how the community’s interests and competencies were embedded in the project itself. The case provides insights for people leading collaborative design processes, with specific emphasis on some of the characteristics on programs targeting creative youth

Roles of externalisation activities in the design process

2016 ◽  
Vol 11 (1) ◽  
pp. 34
Author(s):  
Maral Babapour Chafi
Keyword(s):  
Design Process ◽  
Design Research ◽  
Research Literature ◽  
Physical Models ◽  
Future Research ◽  
Knowledge Gaps ◽  
Design Processes ◽  
Digital Modelling

Designers engage in various activities, dealing with different materials and media to externalise and represent their form ideas. This paper presents a review of design research literature regarding externalisation activities in design process: sketching, building physical models and digital modelling. The aim has been to review research on the roles of media and representations in design processes, and highlight knowledge gaps and questions for future research.

ANALISIS KINERJA ASURANSI SYARIAH MENGGUNAKAN PENDEKATAN MASLAHAH SCORECARD (Studi Kasus Pada PT. Asuransi Takaful Umum)

2020 ◽  
Vol 1 (1) ◽  
pp. 108-125
Author(s):  
Jaharuddin Jahar ◽  
Melia Rostiana ◽  
R Melda Maesarach
Keyword(s):  
Measurement Data ◽  
Secondary Data ◽  
Process Performance ◽  
Measuring Process ◽  
Case Study Design ◽  
Quantitative And Qualitative Research ◽  
A Value ◽  
Takaful Insurance ◽  
Collection Methods

The purpose of this study was to decide the elements of performance at PT. General Takaful Insurance, to find out how to measure performance using the scorecard approach that is by measuring process performance and results performance, and interpreting in the form of conclusions. In this study, researchers tested apply maslahah at PT. General Takaful Insurance with a case study design. This research is a type of quantitative and qualitative research because it uses measurement data through formulas and if interpretative qualitative, and the data used are primary and secondary data. Data collection methods used are observation, interviews and documentation. The results showed that PT. General Takaful Insurance received a value of the performance benefit process of 0.7 which indicates that the company simply applied benefits in terms of process performance. And behave the benefit of PT. General Takaful Insurance got a value of 0.89 which shows that the company is quite good in providing benefits to stakeholders and shareholders. Keyword: Performance, Insurance, Scorecard Maslahah

Evaluation of inspection features including exposure risk using a value of information analysis

2021 ◽  
Vol 38 (1) ◽  
pp. 36-58
Author(s):  
Domenic Di Francesco ◽  
Marios Chryssanthopoulos ◽  
Michael Havbro Faber ◽  
Ujjwal Bharadwaj
Keyword(s):  
Value Of Information ◽  
Information Analysis ◽  
Exposure Risk ◽  
Value Of Information Analysis ◽  
A Value
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