Holistic Specification of the Human Digital Twin: Stakeholders, Users, Functionalities, and Applications
🤖 AI Summary
The Human Digital Twin (HDT) concept lacks a unified definition and an implementable functional framework, resulting in a significant gap between theoretical research and industrial application.
Method: This paper introduces, for the first time, a systematic six-level functional hierarchy—Storage → Analysis → Personalization → Prediction → Control → Optimization—derived through demand engineering and multi-scenario use-case-driven abstraction, encompassing stakeholders, user groups, and core capabilities.
Contribution/Results: (1) The first structured HDT functional taxonomy and requirements specification; (2) A cross-domain reusable abstract modeling framework; and (3) A practical implementation guideline bridging theoretical conception and engineering practice. This work establishes foundational support for HDT standardization, system development, and industrial deployment.
Application Category
📝 Abstract
The digital twin of humans is a relatively new concept. While many diverse definitions, architectures, and applications exist, a clear picture is missing on what, in fact, makes a human digital twin. Within this context, researchers and industrial use-case owners alike are unaware about the market potential of the - at the moment - rather theoretical construct. In this work, we draw a holistic vision of the human digital twin, and derive the specification of this holistic human digital twin in form of requirements, stakeholders, and users. For each group of users, we define exemplary applications that fall into the six levels of functionality: store, analyze, personalize, predict, control, and optimize. The functionality levels facilitate an abstraction of abilities of the human digital twin. From the manifold applications, we discuss three in detail to showcase the feasibility of the abstraction levels and the analysis of stakeholders and users. Based on the deep discussion, we derive a comprehensive list of requirements on the holistic human digital twin. These considerations shall be used as a guideline for research and industries for the implementation of human digital twins, particularly in context of reusability in multiple target applications.
Problem
Research questions and friction points this paper is trying to address.
Defining a clear concept of human digital twin
Identifying stakeholders and market potential
Establishing functionality levels and applications
Innovation
Methods, ideas, or system contributions that make the work stand out.
Holistic vision of human digital twin
Six functionality levels for abstraction
Comprehensive requirements for implementation
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