Functional Safety BMS Design Methodology for Automotive Lithium-Based Batteries

The increasing use of lithium batteries and the necessary integration of battery management systems (BMS) has led international standards to demand functional safety in electromobility applications, with a special focus on electric vehicles. This work covers the complete design of an enhanced automo...

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Autores principales:	David Marcos, Maitane Garmendia, Jon Crego, José Antonio Cortajarena
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	battery management system electric vehicles safety integrity level RAMS failure assessment Technology T
Acceso en línea:	https://doaj.org/article/9bf93d48953440dc91fcf40ba3d8474b
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spelling	oai:doaj.org-article:9bf93d48953440dc91fcf40ba3d8474b2021-11-11T15:46:14ZFunctional Safety BMS Design Methodology for Automotive Lithium-Based Batteries10.3390/en142169421996-1073https://doaj.org/article/9bf93d48953440dc91fcf40ba3d8474b2021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/21/6942https://doaj.org/toc/1996-1073The increasing use of lithium batteries and the necessary integration of battery management systems (BMS) has led international standards to demand functional safety in electromobility applications, with a special focus on electric vehicles. This work covers the complete design of an enhanced automotive BMS with functional safety from the concept phase to verification activities. Firstly, a detailed analysis of the intrinsic hazards of lithium-based batteries is performed. Secondly, a hazard and risk assessment of an automotive lithium-based battery is carried out to address the specific risks deriving from the automotive application and the safety goals to be fulfilled to keep it under control. Safety goals lead to the technical safety requirements for the next hardware design and prototyping of a BMS Slave. Finally, the failure rate of the BMS Slave is assessed to verify the compliance of the developed enhanced BMS Slave with the functional safety Automotive Safety Integrity Level (ASIL) C. This paper contributes the design methodology of a BMS complying with ISO 26262 functional safety standard requirements for automotive lithium-based batteries.David MarcosMaitane GarmendiaJon CregoJosé Antonio CortajarenaMDPI AGarticlebattery management systemelectric vehiclessafety integrity levelRAMSfailure assessmentTechnologyTENEnergies, Vol 14, Iss 6942, p 6942 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	battery management system electric vehicles safety integrity level RAMS failure assessment Technology T
spellingShingle	battery management system electric vehicles safety integrity level RAMS failure assessment Technology T David Marcos Maitane Garmendia Jon Crego José Antonio Cortajarena Functional Safety BMS Design Methodology for Automotive Lithium-Based Batteries
description	The increasing use of lithium batteries and the necessary integration of battery management systems (BMS) has led international standards to demand functional safety in electromobility applications, with a special focus on electric vehicles. This work covers the complete design of an enhanced automotive BMS with functional safety from the concept phase to verification activities. Firstly, a detailed analysis of the intrinsic hazards of lithium-based batteries is performed. Secondly, a hazard and risk assessment of an automotive lithium-based battery is carried out to address the specific risks deriving from the automotive application and the safety goals to be fulfilled to keep it under control. Safety goals lead to the technical safety requirements for the next hardware design and prototyping of a BMS Slave. Finally, the failure rate of the BMS Slave is assessed to verify the compliance of the developed enhanced BMS Slave with the functional safety Automotive Safety Integrity Level (ASIL) C. This paper contributes the design methodology of a BMS complying with ISO 26262 functional safety standard requirements for automotive lithium-based batteries.
format	article
author	David Marcos Maitane Garmendia Jon Crego José Antonio Cortajarena
author_facet	David Marcos Maitane Garmendia Jon Crego José Antonio Cortajarena
author_sort	David Marcos
title	Functional Safety BMS Design Methodology for Automotive Lithium-Based Batteries
title_short	Functional Safety BMS Design Methodology for Automotive Lithium-Based Batteries
title_full	Functional Safety BMS Design Methodology for Automotive Lithium-Based Batteries
title_fullStr	Functional Safety BMS Design Methodology for Automotive Lithium-Based Batteries
title_full_unstemmed	Functional Safety BMS Design Methodology for Automotive Lithium-Based Batteries
title_sort	functional safety bms design methodology for automotive lithium-based batteries
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/9bf93d48953440dc91fcf40ba3d8474b
work_keys_str_mv	AT davidmarcos functionalsafetybmsdesignmethodologyforautomotivelithiumbasedbatteries AT maitanegarmendia functionalsafetybmsdesignmethodologyforautomotivelithiumbasedbatteries AT joncrego functionalsafetybmsdesignmethodologyforautomotivelithiumbasedbatteries AT joseantoniocortajarena functionalsafetybmsdesignmethodologyforautomotivelithiumbasedbatteries
_version_	1718434104297390080

Functional Safety BMS Design Methodology for Automotive Lithium-Based Batteries

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