Research Papers

Modeling the Design Process of Product Variants With Timed Colored Petri Nets

[+] Author and Article Information
Qianli Xu

School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798qlxu@ntu.edu.sg

Jianxin (Roger) Jiao

The G. W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405roger.jiao@me.gatech.edu

J. Mech. Des 131(6), 061009 (May 21, 2009) (9 pages) doi:10.1115/1.3125203 History: Received January 19, 2008; Revised March 08, 2009; Published May 21, 2009

The design process of product variants involves complicated task planning that needs to leverage a number of design activities and resources. A comprehensive product variant design process model is imperative for capturing the semantics underlying product variants and subsequently supporting design process planning decisions. This paper applies timed colored Petri nets (TCPN) to model various elements of the product variant design process. The TCPN model performs as a generic design process platform from which alternative configurations of process plans can be derived and further converted to discrete-event simulation models for evaluation. A case study of car dashboard family design demonstrates that the TCPN design process model can effectively represent the elements of multiple design processes and support design task planning while leveraging design activities and resource allocation at the entire product family level.

Copyright © 2009 by American Society of Mechanical Engineers
Topics: Design
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Figure 1

Multiple perspectives of product family development

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Figure 2

Entities and relationships of an activity class

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Figure 3

A generic structure for representing process varieties

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Figure 4

Definition of colored tokens for design processes

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Figure 5

Petri nets for representing design processes

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Figure 6

Petri nets for handling process varieties

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Figure 7

TCPN decision support to design process planning

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Figure 8

Generic routing of the dashboard design process

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Figure 9

Petri net for modeling the design process of the dashboard product family

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Figure 10

Routings of two process variants

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Figure 11

Gantt chart of the design process plans




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