Establishing digital twins is a non-trivial endeavour especially when users face significant challenges in creating them from scratch. Ready availability of reusable models, data and tool assets, can help with creation and use of digital twins. A number of digital twin frameworks exist to facilitate creation and use of digital twins. In this paper we propose a digital twin framework to author digital twin assets, create digital twins from reusable assets and make the digital twins available as a service to other users. The proposed framework automates the management of reusable assets, storage, provision of compute infrastructure, communication and monitoring tasks. The users operate at the level of digital twins and delegate rest of the work to the digital twin as a service framework.

翻译：构建数字孪生是一项复杂的工程，尤其是当用户从零开始创建时面临诸多挑战。可复用模型、数据及工具资产的便捷获取，有助于数字孪生的创建与应用。目前存在多种数字孪生框架以支持其构建与使用。本文提出一种数字孪生框架，用于创作数字孪生资产、基于可复用资产构建数字孪生，并将其以服务形式提供给其他用户。该框架实现了可复用资产管理、存储、计算基础设施供应、通信及监控等任务的自动化。用户仅需操作数字孪生层面，其余工作均可委托给数字孪生即服务平台处理。