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A novel approach for dynamic traffic lights management based on Wireless Sensor Networks and multiple fuzzy logic controllers

机译：基于无线传感器网络和多个模糊逻辑控制器的动态交通信号灯管理新方法

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This paper proposes a novel approach to dynamically manage the traffic lights cycles and phases in an isolated intersection. The target of the work is a system that, comparing with previous solutions, offers improved performance, is flexible and can be implemented on off-the-shelf components. The challenge here is to find an effective design that achieves the target while avoiding complex and computationally expensive solutions, which would not be appropriate for the problem at hand and would impair the practical applicability of the approach in real scenarios. The proposed solution is a traffic lights dynamic control system that combines an IEEE 802.15.4 Wireless Sensor Network (WSN) for real-time traffic monitoring with multiple fuzzy logic controllers, one for each phase, that work in parallel. Each fuzzy controller addresses vehicles turning movements and dynamically manages both the phase and the green time of traffic lights. The proposed system combines the advantages of the WSN, such as easy deployment and maintenance, flexibility, low cost, noninvasiveness, and scalability, with the benefits of using four parallel fuzzy controllers, i.e., better performance, fault-tolerance, and support for phase-specific management. Simulation results show that the proposed system outperforms other solutions in the literature, significantly reducing the vehicles waiting times. A proof-of-concept implementation on an off-the-shelf device proves that the proposed controller does not require powerful hardware and can be easily implemented on a low-cost device, thus paving the way for extensive usage in practice. (C) 2015 Elsevier Ltd. All rights reserved.
机译：本文提出了一种新颖的方法来动态管理隔离路口的交通信号灯周期和相位。与以前的解决方案相比，该工作的目标是一个系统，该系统提供改进的性能，灵活并且可以在现成的组件上实现。这里的挑战是找到一种有效的设计，既要达到目标，又要避免复杂且计算量大的解决方案，这将不适合当前的问题，并且会损害该方法在实际场景中的实际适用性。所提出的解决方案是一种交通灯动态控制系统，该系统结合了用于实时交通监控的IEEE 802.15.4无线传感器网络（WSN）和多个并行工作的模糊逻辑控制器，每个阶段一个。每个模糊控制器处理车辆转弯运动，并动态管理交通灯的相位和绿灯时间。所提出的系统结合了WSN的优点，例如易于部署和维护，灵活性，低成本，无创性和可伸缩性，以及使用四个并行模糊控制器的好处，即更好的性能，容错能力以及对相位的支持特定的管理。仿真结果表明，所提出的系统优于文献中的其他解决方案，大大减少了车辆的等待时间。在现成设备上的概念验证实现证明，所提出的控制器不需要强大的硬件，并且可以轻松地在低成本设备上实现，从而为在实践中广泛使用铺平了道路。 （C）2015 Elsevier Ltd.保留所有权利。

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