Using CSTPNs to model traffic control CPS

Using CSTPNs to model traffic control CPS
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使用 CSTPN 对交通控制 CPS 进行建模

DOI:
10.1049/iet-sen.2016.0119
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发表时间:
2017-06
期刊:
影响因子:
1.6
通讯作者:
Cheng Senlin
Cheng Senlin
中科院分区:
计算机科学4区
文献类型:
--
作者:
Zhao Hongzhuan;Sun Dihua;Yue Hang;Zhao Min;Cheng Senlin

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交通信息物理系统(T-CPS)是一个时空离散-连续混合系统。然而,混合T-CPS存在一些分析和建模问题,特别是与时空特性相关的问题。现有的交通控制有色Petri网方法不能有效地分析网络系统和物理实体在空间和时间上的动态变化。此外,一些与状态空间爆炸和大型复杂T-CPS相关的问题也没有得到很好的解决。本研究通过有色时空Petri网(CSTPN)的开发和应用,开发了T-CPS设计和建模的创新方法。提出的研究思路包括CSTPN理论的建立、基于CSTPN的交叉口协调控制系统的开发、交通仿真分析以及基于T-CPS的CSTPN的实现。实验结果表明,基于CSTPNs的交通协调控制新时空理论和方法具有很好的潜力,可以解决T-CPS时空离散-连续特性的相关问题.这些创新方法具有较好的有效性,可以很容易地应用于T-CPS的开发。
Transportation cyber-physical system (T-CPS) is a spatiotemporal discrete-continuous hybrid system. However, the hybrid T-CPSs have some analysis and modelling problems, especially the problems related to the spatiotemporal characteristics. Existing coloured Petri net approaches of traffic control cannot effectively analyse dynamic changes of cyber systems and physical entities in space and time. Moreover, some problems, related to the state space explosion and the large complex T-CPSs, have not been well solved. This study develops the innovative methods for T-CPS design and modelling via the development and application of coloured spatiotemporal Petri nets (CSTPNs). The proposed research ideas involve the CSTPN theory creation, the development of traffic intersection coordination control system using CSTPNs, the traffic simulation analysis and the implementation of T-CPS-based CSTPNs. The experimental results show that the new spatiotemporal theories and approaches of the traffic coordination control based on CSTPNs have excellent potentials to address the issues related to the spatiotemporal discrete-continuous characteristics of T-CPS. Moreover, these innovative methods with a good validity can be easily applied into practise for the development of T-CPS.
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