Fast Convergence in Electric Vehicle Smart Charging

Research output: Chapter in Book/Conference proceedings/Edited volumeChapterScientific

Abstract

We address the problem to control the charging schedules in a large population of plug-in electric vehicles, considered as heterogeneous noncooperative agents, with different strongly convex cost functions weakly coupled by a common pricing signal, convex charging constraints, e.g. plug-in times, deadlines and capacity limits. We assume a minimal information structure through which a central control unit can broadcast incentive signals to coordinate the decentralized optimal responses of the agents. We propose a dynamic control that, based on fixed-point operator theory, ensures global exponential convergence to an aggregative equilibrium, independently on the population size. We illustrate the benefits of the proposed control via numerical simulations, in scenarios where the aggregate charging demand tends to fill the overnight demand valley. Finally, we touch upon the a generalized setup with convex, separable, joint constraints, e.g. transmission line constraints and shared network resources.
Original languageEnglish
Title of host publicationIntelligent Integrated Energy Systems
Subtitle of host publicationThe PowerWeb Program at TU Delft
EditorsPeter Palensky, Milos Cvetkovic, Tamas Keviczky
Place of PublicationCham, Switzerland
PublisherSpringer
Chapter6
Pages123-139
ISBN (Electronic)978-3-030-00057-8
ISBN (Print)987-3-030-00056-1
DOIs
Publication statusPublished - 2019

Keywords

  • Smart charging
  • Plug-in electric vehicles
  • Computational game theory
  • Fixed-point operator theory

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