A Two-Layers Predictive Algorithm for Workplace EV Charging

In this paper, the problem of electric vehicle (EV) charging at the workplace is addressed via a two-layer predictive algorithm. We consider a time of use (TOU) pricing model for energy drawn from the grid and try to minimize the charging cost incurred by the EV charging station (EVCS) operator via...

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Published in:arXiv.org 2023-07
Main Authors: Ahmad, Saif, Baltussen, Jochem, Kergus, Pauline, Kader, Zohra, Caux, Stéphane
Format: Article
Language:English
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Adaptive algorithms
Algorithms
Dynamic programming
Electric vehicle charging
Stochastic models
Time of use electricity pricing
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Baltussen, Jochem
Kergus, Pauline
Kader, Zohra
Caux, Stéphane
description In this paper, the problem of electric vehicle (EV) charging at the workplace is addressed via a two-layer predictive algorithm. We consider a time of use (TOU) pricing model for energy drawn from the grid and try to minimize the charging cost incurred by the EV charging station (EVCS) operator via an economic layer based on dynamic programming (DP) approach. An adaptive prediction algorithm based on a non-parametric stochastic model computes the projected EV load demand over the day which helps in the selection of optimal loading policy for the EVs in the economic layer. The second layer is a scheduling algorithm designed to share the allocated power limit (obtained from economic layer) among the charging EVs during each charge cycle. The modeling and validation is performed using ACN data-set from Caltech. Comparison of the proposed scheme with a conventional DP algorithm illustrates its effectiveness in terms of supplying the requested energy despite lacking user input for departure time.
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subjects Adaptive algorithms
Algorithms
Dynamic programming
Electric vehicle charging
Stochastic models
Time of use electricity pricing
title A Two-Layers Predictive Algorithm for Workplace EV Charging
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