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基于合同的设计,用于工业自动化中强大的网络控制系统.
Friederike Bruns1, Jörg Walter2, Andreas Rauh1
1Distributed Control in Interconnected Systems, Carl-von-Ossietzky Universität Oldenburg, Ammerländer Heerstraße 114-118, 26129 Oldenburg, Germany.
ISA transactions
|September 24, 2025
概括
本研究介绍了工业控制系统的正式方法,通过精确定义消息并将其映射到通信通道,确保确定性的执行和可靠的操作,以保证实时性能.
科学领域:
- 工业自动化 工业自动化
- 控制系统工程 控制系统工程
- 实时系统 实时系统
背景情况:
- 工业分布式控制系统 (IDCS) 在满足实时约束方面面临挑战.
- 像IEC 61499这样的现有模型优先考虑功能,而不是正式的时间保证,冒着性能下降和安全问题的风险.
研究的目的:
- 正式增强消息定义,并开发一种系统的方法来将消息映射到物理通信通道.
- 为了在IDCS中实现精确的时间验证和确定性执行.
- 为了减轻工业自动化中的非决定性和通信延迟.
主要方法:
- 对逻辑消息定义的正式增强.
- 基于通信协议,系统地将消息映射到物理通道.
- 基于合同的设计,用于控制消息传输和同步.
- 虚拟集成测试用于网络通信时间验证.
主要成果:
- 制定了一个正式的消息定义和一个系统的映射策略.
- 实施了增强的同步机制和明确的调度执行.
- 虚拟集成测试证明了可扩展的合同重复使用,并解决了闭环控制中的时间限制.
结论:
- 拟议的建模方法可以通过在设计时整合时间验证来验证分布式系统.
- 这减少了重新设计的努力,并提高了IDCS的可靠性.
- 确保在工业自动化中遵守严格的时间限制.
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