Particle Swarm Based Reinforcement Learning For Path Planning And Traffic Congestion
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Particle Swarm Based Reinforcement Learning for Path Planning and Traffic Congestion
In 2019, the average American commuter wasted approximately two and a half days due to traffic delays. Researchers suggest that these delays could be relieved by the addition of intelligent transportation systems, such as navigational systems that identify multiple high-speed travel routes or sophisticated traffic signals that can adapt to different traffic patterns. This dissertation explores the hybridization of the swarm intelligence algorithm, particle swarm optimization, with the reinforcement learning algorithm, Q-learning, and the hierarchical reinforcement learning algorithm,MAX-Q, to produce an intelligent path-planning algorithm and an adaptive traffic control system. By combining these algorithms with particle swarm optimization, the search space of a single agent is reduced through the parallelization and collaboration of multiple agents. Alternatively, the use of a look-up table improves the performance of particle swarm optimization by enhancing the swarm's ability to learn and balance the local and global search. In order to further improve the performance of the hybrid algorithms, a local particle swarm optimization variant was incorporated into the algorithms' action selection policies. This combination results in two hybrid intelligent optimization algorithms, Q-learning with Local Particle Swarm Optimization and MAXQ with Particle Swarm Optimization. When tasked with path planning in the Taxi World environment, QLPSO and MAXQPSO collectively learned the optimal policy in 46.44% fewer episodes than state-of-the-art algorithms and completed the task in 25.57% fewer steps. Given the success of the novel methods in the path planning problem, the two algorithms were slightly modified to identify the optimal policies for the traffic control problem. For various traffic networks, the algorithms collectively minimized the total wait time by an average of 16.31% and decreased the average wait time per vehicle by 11.43%. The combination of PSO and the learning algorithms demonstrate notable benefits as intelligent transportation systems.
Proceedings of the 7th International Conference of Transportation Research Group of India (CTRG 2023), Volume 3
This book presents select proceedings of the 7th Conference of Transportation Research Group of India (7th CTRG, 2023), provides an opportunity for discussion of state-of-the-art research and practice in the developing world for achieving equitable, efficient, and resilient infrastructure, and opens pathways to sustainable transportation. This book covers the solutions related to transportation challenges such as road user safety, traffic operation efficiency, economic and social development, non-motorized transport planning, environmental impact mitigation, energy consumption reduction, land-use, equity, freight transport planning, multimodal coordination, access for the diverse range of mobility needs, sustainable pavement construction, and emerging vehicle technologies. The information and data-driven inferences compiled in this book are therefore expected to be useful for practitioners, policymakers, educators, researchers, and individual learners interested in sustainable transportation and allied fields.
Machine Learning for Drone-Enabled IoT Networks
This book aims to explore the latest developments, challenges, and opportunities in the application of machine learning techniques to enhance the performance and efficiency of IoT networks assisted by aerial unmanned vehicles (UAVs), commonly known as drones. The book aims to include cutting edge research and development on a number of areas within the topic including but not limited to: •Machine learning algorithms for drone-enabled IoT networks •Sensing and data collection with drones for IoT applications •Data analysis and processing for IoT networks assisted by drones •Energy-efficient and scalable solutions for drone-assisted IoT networks •Security and privacy issues in drone-enabled IoT networks •Emerging trends and future directions in ML for drone-assisted IoT networks.