Braking performance oriented multi-objective optimal design of electro-mechanical brake parameters.

Excellent braking performance is the premise of safe driving, and improve the braking performance by upgrading structures and optimizing parameters of braking systems has become the pursuit of engineers. With the development of autonomous driving and intelligent connected vehicle, new structural sch...

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Autores principales:	Tong Wu, Jing Li, Xuan Qin
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e734dfd061b04ba3a856309dee7c5256
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spelling	oai:doaj.org-article:e734dfd061b04ba3a856309dee7c52562021-11-25T06:19:06ZBraking performance oriented multi-objective optimal design of electro-mechanical brake parameters.1932-620310.1371/journal.pone.0251714https://doaj.org/article/e734dfd061b04ba3a856309dee7c52562021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0251714https://doaj.org/toc/1932-6203Excellent braking performance is the premise of safe driving, and improve the braking performance by upgrading structures and optimizing parameters of braking systems has become the pursuit of engineers. With the development of autonomous driving and intelligent connected vehicle, new structural schemes such as electro-mechanical brakes (EMBs) have become the future of vehicle braking systems. Meanwhile, many scholars have dedicated to the research on the parameters optimization of braking systems. While, most of the studies focus on reducing the brake size and weight, improving the brake responses by optimizing the parameters, almost not involving the braking performance, and the optimization variables are relatively single. On these foundations, a multi-objective optimal design of EMB parameters is proposed to enhance the vehicle's braking performance. Its objectives and constraints were defined based on relevant standards and regulations. Subsequently, the decision variables were set, and optimal math model was established. Furthermore, the co-simulation platform was constructed, and the optimal design and simulation analyses factoring in the crucial structural and control parameters were performed. The results confirmed that the maximum braking pressure response time of the EMB is decreased by approximately 0.3 s, the stopping distance (SD) of 90 km/h-0 is shortened by about 3.44 m. Moreover, the mean fully developed deceleration (MFDD) is increased by 0.002 g, and the lateral displacement of the body (LD) is reduced by about 0.037 m. Hence, the vehicle braking performance is improved.Tong WuJing LiXuan QinPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 5, p e0251714 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Tong Wu Jing Li Xuan Qin Braking performance oriented multi-objective optimal design of electro-mechanical brake parameters.
description	Excellent braking performance is the premise of safe driving, and improve the braking performance by upgrading structures and optimizing parameters of braking systems has become the pursuit of engineers. With the development of autonomous driving and intelligent connected vehicle, new structural schemes such as electro-mechanical brakes (EMBs) have become the future of vehicle braking systems. Meanwhile, many scholars have dedicated to the research on the parameters optimization of braking systems. While, most of the studies focus on reducing the brake size and weight, improving the brake responses by optimizing the parameters, almost not involving the braking performance, and the optimization variables are relatively single. On these foundations, a multi-objective optimal design of EMB parameters is proposed to enhance the vehicle's braking performance. Its objectives and constraints were defined based on relevant standards and regulations. Subsequently, the decision variables were set, and optimal math model was established. Furthermore, the co-simulation platform was constructed, and the optimal design and simulation analyses factoring in the crucial structural and control parameters were performed. The results confirmed that the maximum braking pressure response time of the EMB is decreased by approximately 0.3 s, the stopping distance (SD) of 90 km/h-0 is shortened by about 3.44 m. Moreover, the mean fully developed deceleration (MFDD) is increased by 0.002 g, and the lateral displacement of the body (LD) is reduced by about 0.037 m. Hence, the vehicle braking performance is improved.
format	article
author	Tong Wu Jing Li Xuan Qin
author_facet	Tong Wu Jing Li Xuan Qin
author_sort	Tong Wu
title	Braking performance oriented multi-objective optimal design of electro-mechanical brake parameters.
title_short	Braking performance oriented multi-objective optimal design of electro-mechanical brake parameters.
title_full	Braking performance oriented multi-objective optimal design of electro-mechanical brake parameters.
title_fullStr	Braking performance oriented multi-objective optimal design of electro-mechanical brake parameters.
title_full_unstemmed	Braking performance oriented multi-objective optimal design of electro-mechanical brake parameters.
title_sort	braking performance oriented multi-objective optimal design of electro-mechanical brake parameters.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/e734dfd061b04ba3a856309dee7c5256
work_keys_str_mv	AT tongwu brakingperformanceorientedmultiobjectiveoptimaldesignofelectromechanicalbrakeparameters AT jingli brakingperformanceorientedmultiobjectiveoptimaldesignofelectromechanicalbrakeparameters AT xuanqin brakingperformanceorientedmultiobjectiveoptimaldesignofelectromechanicalbrakeparameters
_version_	1718413958818299904

Braking performance oriented multi-objective optimal design of electro-mechanical brake parameters.

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