Towards Model‐based HSI Engineering: A Universal HSI Model for Utility Optimization

Abstract

This article targets designers of tools for developing utility‐critical systems, including safety‐critical, usability‐critical, and productivity‐critical systems, as well as consumer products. Analyses of operational failure case studies indicate that many of them are due to insufficient support for coping with operational complexity. Operational complexity may be defined in terms of exceptional situations. Prior studies indicate the feasibility of reducing the operational complexity by merging theories from various domains with practices employed in various industries. The article presents a semi‐quantitative study of a universal HSI model, consisting of seven layers of generic mini models (GMM) used to cope with exceptions. Following the APA guidelines, the paper has four sections: introduction, method, results, and discussion.