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Online mechanism design for electric vehicle charging

Record type: Conference or Workshop Item (Other)

The rapid increase in the popularity of electric vehicles (EVs) and plug-in hybrid electric vehicles (PHEVs) is expected to place a considerable strain on the existing electricity grids, due to the high charging rates these vehicles require. In many places, the limited capacity of the local electricity distribution network will be exceeded if many such vehicles are plugged in and left to charge their batteries simultaneously. Thus, it will become increasingly important to schedule the charging of these vehicles, taking into account the vehicle owners’ preferences, and the local constraints on the network. In this paper, we address this setting using online mechanism design and develop a mechanism that incentivises agents (representing vehicle owners) to truthfully reveal their preferences, as well as when the vehicle is available for charging. Existing related online mechanisms assume that agent preferences can be described by a single parameter. However, this is not appropriate for our setting since agents are interested in acquiring multiple units of electricity and can have different preferences for these units, depending on factors such as their expected travel distance. To this end, we extend the state of the art in online mechanism design to multi-valued domains, where agents have non-increasing marginal valuations for each subsequent unit of electricity. Interestingly, we show that, in these domains, the mechanism occasionally requires leaving electricity unallocated to ensure truthfulness. We formally prove that the proposed mechanism is dominant-strategy incentive compatible, and furthermore, we empirically evaluate our mechanism using data from a real-world trial of electric vehicles in the UK. We show that our approach outperforms any fixed price mechanism in terms of allocation efficiency, while performing only slightly worse than a standard scheduling heuristic, which assumes non-strategic agents.

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Citation

Gerding, Enrico H., Robu, Valentin, Stein, Sebastian, Parkes, David C., Rogers, Alex and Jennings, Nickolas R. (2011) Online mechanism design for electric vehicle charging At Tenth International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS 2011), Taiwan, Province of China. 02 - 06 May 2011. , pp. 1-8.

More information

Published date: May 2011
Venue - Dates: Tenth International Joint Conference on Autonomous Agents and Multi-Agent Systems (AAMAS 2011), Taiwan, Province of China, 2011-05-02 - 2011-05-06
Keywords: electric vehicle, mechanism design, pricing
Organisations: Agents, Interactions & Complexity

Identifiers

Local EPrints ID: 271907
URI: http://eprints.soton.ac.uk/id/eprint/271907
PURE UUID: e108918f-1ddc-49df-acec-bf9e8f05ca3c

Catalogue record

Date deposited: 16 Jan 2011 15:13
Last modified: 18 Jul 2017 06:37

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Contributors

Author: Enrico H. Gerding
Author: Valentin Robu
Author: Sebastian Stein
Author: David C. Parkes
Author: Alex Rogers
Author: Nickolas R. Jennings

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