Control and Optimization of Discrete Event Systems (CODES) Laboratory

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Overview

We model, design, analyze, evaluate, control, and optimize discrete event and hybrid systems with applications on Communication and Sensor Networks, Manufacturing and Supply Chain, Transportation Networks, and a variety of Multi-Agent Systems. read more

Recent Journal Publications

• Xu, H., Xiao, W., Cassandras, C.G., Zhang, Yi., and Li, L., “A General Framework for Decentralized Safe Optimal Control of Connected and Automated Vehicles in Multi-Lane Intersections”, IEEE Trans. on Intelligent Transportation Systems, To appear, 2022.
• Meng, X., Cassandras, C.G., Sun, X. Xu, K., “The Price of Decentralization in Cooperative Coverage Problems with Energy-Constrained Agents”, IEEE Trans. on Control of Network Systems, To appear, 2022.
• Pinto, S.C., Andersson, S.B., Hendrickx, J.M. and Cassandras C.G., “Multi-Agent Persistent Monitoring of Targets with Uncertain States”, IEEE Trans. on Automatic Control, To appear, 2022.
• Wollenstein-Betech, S., Salazar, M., Houshmand, A., Pavone, M., Paschalidis, I. C., and Cassandras, C.G., “Routing and Rebalancing Intermodal Autonomous Mobility-on-Demand Systems in Mixed Traffic”, IEEE Trans. on Intelligent Transportation Systems, To appear, 2022.
• Xiao, W., Cassandras, C.G., and Belta, C. “Bridging the Gap between Optimal Trajectory Planning and Safety-Critical Control with Applications to Autonomous Vehicles“. Automatica, 2021, To appear.
• Houshmand, A., Cassandras, C.G., Zhou, N., Hashemi, N., Li, B., and Peng, H., “Combined Eco-Routing and Power-Train Control of Plug-In Hybrid Electric Vehicles in Transportation Networks”, IEEE Trans. on Intelligent Transportation Systems, To appear, 2022.
• Xiao, W., Belta, C., and Cassandras, C.G., “Adaptive Control Barrier Functions”, IEEE Trans. on Automatic Control, To appear, 2022.
• Xu, H., Cassandras, C.G., Li, L., and Zhang, Y., “Comparison of Cooperative Driving Strategies for CAVs at Signal-Free Intersections”, IEEE Trans. on Intelligent Transportation Systems, To appear, 2021.
• Xiao, W., Belta, C., and Cassandras, C.G., “Sufficient Conditions for Feasibility of Optimal Control Problems Using Control Barrier Functions”, Automatica, Vol. 135, pp. 1-11, 2022.
• Welikala, S., and Cassandras C.G., “Greedy Initialization for Distributed Persistent Monitoring in Network Systems”, Automatica, Vol. 134, pp. 1-16, 2021.
• Xiao, W., and Cassandras, C.G., “Decentralized Optimal Merging Control for Connected and Automated Vehicles with Safety Constraint Guarantees“, Automatica, Volume 123, 109333, 2021.
• Chen, R., and Cassandras, C.G., “Optimal Assignments in Mobility-on-Demand Systems Using Event-driven Receding Horizon Control“, IEEE Trans. on Intelligent Transportation Systems, pp. 1-15, 2020.

Recent Conference Publications

• Queeney, J., Paschalidis I., and Cassandras, C.G., Generalized Proximal Policy Optimization with Sample Reuse Proc. of NeurIPS 2021, 2021.
• Xiao, W., Belta, C., and Cassandras, C.G., Event-Triggered Safety-Critical Control for Systems with Unknown Dynamics Proc. of 60th IEEE Conference on Decision and Control, pp. 540-545, 2021.
• Xiao, W., and Cassandras, C.G., Decentralized Optimal Merging Control for Connected and Automated Vehicles on Curved Roads Proc. of 60th IEEE Conference on Decision and Control, pp. 2677-2682, 2021.
• Welikala, S., and Cassandras, C.G., Event-Driven Receding Horizon Control of Energy-Aware Dynamic Agents for Distributed Persistent Monitoring Proc. of 60th IEEE Conference on Decision and Control, pp. 1898-1904, 2021.
• Abduljabbar, M., Meskin, N., and Cassandras, C.G., Control Barrier Function-based Lateral Control of Autonomous Vehicle for Roundabout Crossing Proc. of 2021 IEEE International Intelligent Transportation Systems Conference, pp. 859-864, 2021.
• Xu, K., Cassandras, C.G., and Xiao, W., Decentralized Time and Energy-Optimal Control of Connected and Automated Vehicles in a Roundabout Proc. of 2021 IEEE International Intelligent Transportation Systems Conference, pp. 681-686, 2021.
• Wollenstein-Betech, Paschalidis, I. Ch., and Cassandras, C.G., Planning Strategies for Lane Reversals in Transportation Networks Proc. of 2021 IEEE International Intelligent Transportation Systems Conference, pp. 2131-2136, 2021.
• Pinto, S.C., Andersson, S.B., Hendrickx, J.M., and Cassandras, C.G., A Semidefinite Programming Approach to Discrete-time Infinite Horizon Persistent Monitoring Proc. of 2021 European Control Conference, 2021.
• Xiao, W., Belta, C., and Cassandras, C.G., High Order Control Lyapunov-Barrier Functions for Temporal Logic Specifications Proc. of 2021 American Control Conference, pp. 4874-4879, 2021.
• Welikala, S., and Cassandras, C.G., Event-Driven Receding Horizon Control For Distributed Persistent Monitoring on Graphs, to appear in 59th IEEE Conference on Decision and Control, 2020.
• Wollenstein-Betech, Paschalidis, I. Ch., and Cassandras, C.G., Joint Pricing and Rebalancing of Autonomous Mobility-on-Demand Systems, to appear in Proc. of 59th IEEE Conference on Decision and Control, 2020.
• Xiao, W., Belta, C., and Cassandras, C.G., Feasibility-Guided Learning for Constrained Optimal Control Problems, to appear in Proc. of 59th IEEE Conference on Decision and Control, 2020.

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