Sea level requirements as systems engineering size metrics

Ricardo Valerdi, Jatin Raj

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

The Constructive Systems Engineering Cost Model (COSYSMO) represents a collaborative effort between industry, government, and academia to develop a general model to estimate systems engineering effort. The model development process has benefited from a diverse group of stakeholders that have contributed their domain expertise and historical project data for the purpose of developing an industry calibration. But the use of multiple stakeholders having diverse perspectives has introduced challenges for the developers of COSYSMO. Among these challenges is ensuring that people have a consistent interpretation of the model's inputs. A consistent understanding of the inputs enables maximum benefits for its users and contributes to the model's predictive accuracy. The main premise of this paper is that the reliability of these inputs can be significantly improved with the aide of a sizing framework similar to one developed for writing software use cases. The focus of this paper is the first of four COSYSMO size drivers, # of Systems Requirements, for which counting rules are provided. In addition, two different experiments that used requirements as metrics are compared to illustrate the benefits introduced by counting rules.

Original languageEnglish (US)
Title of host publication15th Annual International Symposium of the International Council on Systems Engineering, INCOSE 2005
Pages989-1002
Number of pages14
StatePublished - Dec 1 2005
Externally publishedYes
Event15th Annual International Symposium of the International Council on Systems Engineering, INCOSE 2005 - Rochester, NY, United States
Duration: Jul 10 2005Jul 15 2005

Publication series

Name15th Annual International Symposium of the International Council on Systems Engineering, INCOSE 2005
Volume2

Other

Other15th Annual International Symposium of the International Council on Systems Engineering, INCOSE 2005
CountryUnited States
CityRochester, NY
Period7/10/057/15/05

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ASJC Scopus subject areas

  • Hardware and Architecture
  • Information Systems
  • Control and Systems Engineering

Cite this

Valerdi, R., & Raj, J. (2005). Sea level requirements as systems engineering size metrics. In 15th Annual International Symposium of the International Council on Systems Engineering, INCOSE 2005 (pp. 989-1002). (15th Annual International Symposium of the International Council on Systems Engineering, INCOSE 2005; Vol. 2).