Enhanced battery thermal management systems with optimal charge control for electric vehicles

A. Rashid, T. Hofman, B. Rosca

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

5 Citations (Scopus)
3 Downloads (Pure)


Thermal management systems play an important role in maintaining the required operating conditions of batteries in electric and hybrid vehicles. These systems consume energy and operate based on the temperature variations measured in the battery pack. Various types of such systems exist and can be classified as an active or a passive system, however, these systems could be limited in its ability to handle the entire heat load from the battery in an optimal way. This work explores the benefit of powertrain control for electric vehicles in supporting the battery thermal management. The developed strategy restricts the charging power to the battery during regenerative braking and at plug-in fast charging stations along the operating trajectory. The optimal control problem is approached as a power split between regenerative and friction braking and is solved using Pontryagin's Minimum Principle. Simulation results demonstrate the capability of this control law by operating an electric bus over a fixed trajectory, while maintaining the battery temperature within a defined safe operating range.

Original languageEnglish
Title of host publication2018 Annual American Control Conference, ACC 2018
PublisherInstitute of Electrical and Electronics Engineers
Number of pages6
ISBN (Print)9781538654286
Publication statusPublished - 9 Aug 2018
Event2018 American Control Conference (ACC 2018) - Hilton Milwaukee City Center Hotel, Milwaukee, Wisconsin, United States
Duration: 27 Jun 201829 Jun 2018


Conference2018 American Control Conference (ACC 2018)
Abbreviated titleACC 2018
Country/TerritoryUnited States
CityMilwaukee, Wisconsin
Internet address


  • battery electric bus
  • Battery thermal management system
  • charging control
  • optimal control
  • regenerative braking


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