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- Title
Modeling process flow using diagrams.
- Authors
Kemper, Benjamin; De Mast, Jeroen; Mandjes, Michel
- Abstract
In the practice of process improvement, tools such as the flowchart, the value-stream map (VSM), and a variety of ad hoc variants of such diagrams are commonly used. The purpose of this paper is to present a clear, precise, and consistent framework for the use of such flow diagrams in process improvement projects. The paper finds that traditional diagrams, such as the flowchart, the VSM, and OR-type of diagrams, have severe limitations, miss certain elements, or are based on implicit but consequential premises. These limitations restrict the applicability of traditional diagrams in non-manufacturing areas such as service and healthcare processes. We show that a rational reconstruction for the use of diagrams in various disciplines regarding process flow boils down to a generic framework of elements, definitions of generic process metrics, and three classes of applications, namely the ‘as-is’, ‘could-be’, and ‘should-be’ analysis. The goal is not to replace all currently used diagrams, but merely to discuss the role of diagram usage in process flow modeling. This paper provides an explicit framework that is unambiguous and flexible, and has the potential to serve as a guideline for the practitioner, in manufacturing as well as in service and healthcare. Besides, it may serve as a starting point to develop an ontology of business processes. Copyright © 2009 John Wiley & Sons, Ltd.
- Subjects
CHARTS, diagrams, etc.; FLOW charts; MATHEMATICAL models; OPERATIONS research; INDUSTRIAL engineering
- Publication
Quality & Reliability Engineering International, 2010, Vol 26, Issue 4, p341
- ISSN
0748-8017
- Publication type
Article
- DOI
10.1002/qre.1061