The increasing capabilities of Digital Twins (DTs) in the context of the Internet of Things (IoT) and Industrial IoT (IIoT) call for seamless integration with simulation platforms to support system design, validation, and real-time operation. This paper introduces the concept, design, and experimental evaluation of the DT Simulation Bridge - a software framework that enables diverse interaction patterns between active DTs and simulation environments. The framework supports both the DT development lifecycle and the incorporation of simulations during active operation. Through bidirectional data exchange, simulations can update DT models dynamically, while DTs provide real-time feedback to adapt simulation parameters. We describe the architectural design and core software components that ensure flexible interoperability and scalable deployment. Experimental results show that the DT Simulation Bridge enhances design agility, facilitates virtual commissioning, and supports live behavioral analysis under realistic conditions, demonstrating its effectiveness across a range of industrial scenarios.
翻译：在物联网（IoT）和工业物联网（IIoT）背景下，数字孪生（DTs）日益增长的功能需求要求其与仿真平台实现无缝集成，以支持系统设计、验证和实时运维。本文提出了数字孪生仿真桥接框架的概念、设计与实验评估——该软件框架能够实现活跃数字孪生与仿真环境间的多样化交互模式。该框架既支持数字孪生的开发生命周期，也支持在运行过程中嵌入仿真环节。通过双向数据交换，仿真可动态更新数字孪生模型，而数字孪生则提供实时反馈以调整仿真参数。我们阐述了确保灵活互操作性和可扩展部署的架构设计与核心软件组件。实验结果表明，数字孪生仿真桥接框架提升了设计敏捷性，促进了虚拟调试，并支持真实条件下的实时行为分析，在一系列工业场景中验证了其有效性。
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