Hierarchical Hybrid MPC for Management of Distributed Phase Change Thermal Energy Storage

Herschel C. Pangborn, Cary E. Laird, Andrew G. Alleyne

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

A rapid increase in the electrical power on board vehicles has presented significant challenges to their thermal management. One proposed solution for large vehicles is the use of thermal energy storage (TES) modules containing phase change material (PCM) to quickly absorb large thermal loads, buffering fast thermal transients to reduce peak cooling requirements. However, the inherent nonlinearity and multi-timescale nature of vehicles with phase change energy storage must be addressed in control design. This paper presents a hierarchical hybrid model predictive control (MPC) framework to meet this need. A hierarchical control framework coordinates between the relatively slow phase change dynamics of the TES and relatively fast temperature dynamics elsewhere, excited by highly transient loading. Switched linear models are used to approximate nonlinearities across a wide range of operating conditions, resulting in hybrid MPC formulations that balance model accuracy and computational burden. The proposed approach is demonstrated in simulation on a candidate thermal management system with multiple TES modules.

Original languageEnglish (US)
Title of host publication2020 American Control Conference, ACC 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages4147-4153
Number of pages7
ISBN (Electronic)9781538682661
DOIs
StatePublished - Jul 2020
Event2020 American Control Conference, ACC 2020 - Denver, United States
Duration: Jul 1 2020Jul 3 2020

Publication series

NameProceedings of the American Control Conference
Volume2020-July
ISSN (Print)0743-1619

Conference

Conference2020 American Control Conference, ACC 2020
Country/TerritoryUnited States
CityDenver
Period7/1/207/3/20

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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