Launching and gear shifting coordinated control of a two motor HEV driving system

Zhang, N; Zhou, SL; Zhu, B; Zhang, BJ; Zheng, MY

Launching and gear shifting coordinated control of a two motor HEV driving system

Zhang, N

Zhou, SL

Zhu, B Zhang, BJ Zheng, MY

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Publication Type:: Journal Article
Citation:: Chang'an Daxue Xuebao (Ziran Kexue Ban)/Journal of Chang'an University (Natural Science Edition), 2019, 39 (3), pp. 117 - 126
Issue Date:: 2019-05-01

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Field	Value	Language
dc.contributor.author	Zhang, N https://orcid.org/0000-0001-6408-0044	en_US
dc.contributor.author	Zhou, SL https://orcid.org/0000-0001-5070-141X	en_US
dc.contributor.author	Zhu, B	en_US
dc.contributor.author	Zhang, BJ	en_US
dc.contributor.author	Zheng, MY	en_US
dc.date.accessioned	2020-04-14T06:24:03Z
dc.date.available	2020-04-14T06:24:03Z
dc.date.issued	2019-05-01	en_US
dc.identifier.citation	Chang'an Daxue Xuebao (Ziran Kexue Ban)/Journal of Chang'an University (Natural Science Edition), 2019, 39 (3), pp. 117 - 126	en_US
dc.identifier.issn	1671-8879	en_US
dc.identifier.uri	http://hdl.handle.net/10453/139985
dc.description.abstract	© 2019, Editorial Department of Journal of Chang'an University (Natural Science Edition). All right reserved. To solve the problem of power interruption during gear shifting of AMT in traditional hybrid electric vehicle (HEV) with automatic transmission, a HEV system that consists of one engine, two motors, and transmission with four gear ratios was proposed. By controlling the engine, motors, clutches, and synchronizers of hybrid driving system, it could work in electrical driving mode, parallel hybrid driving mode, series hybrid driving mode, regenerative braking mode, and driving charging mode. The system was equivalent to a mass-spring-damping system adopting the lump inertia method and Newton's second law, from which the dynamic equations were built. The engine model and electric motor model were built through the lookup table method. The mode-switching control strategy and gear-shifting control strategy were designed according to the driving system structure characteristics. The output torque of the engine and motors were coordinately controlled during mode switching and gear shifting based on the torque response characteristics. The electric motor torque compensation control strategy based on engine output torque was designed to maintain the vehicle driving torque and eliminate torque interruption. The vehicle model and control model were built with the AMESim and MATLAB/Simulink software, which were used to simulate the vehicle launching process and gear shifting process. The results show that the HEV system ensures the smooth change of output torque without power interruption during gear shifting. Vehicle jerks during mode switching and gear shifting are limited, by controlling the change rate of engine and motor output torque, as well as engaging and disengaging the speed of clutches and synchronizers. 4 tabs, 17 figs, 22 refs.	en_US
dc.relation	http://purl.org/au-research/grants/arc/DP150102751
dc.relation.ispartof	Chang'an Daxue Xuebao (Ziran Kexue Ban)/Journal of Chang'an University (Natural Science Edition)	en_US
dc.relation.isbasedon	10.19721/j.cnki.1671-8879.2019.03.013	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject.classification	General Science & Technology	en_US
dc.title	Launching and gear shifting coordinated control of a two motor HEV driving system	en_US
dc.type	Journal Article
utslib.citation.volume	3	en_US
utslib.citation.volume	39	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Mechanical and Mechatronic Engineering
utslib.copyright.status	closed_access	*
pubs.issue	3	en_US
pubs.publication-status	Published	en_US
pubs.volume	39	en_US

Abstract:

© 2019, Editorial Department of Journal of Chang'an University (Natural Science Edition). All right reserved. To solve the problem of power interruption during gear shifting of AMT in traditional hybrid electric vehicle (HEV) with automatic transmission, a HEV system that consists of one engine, two motors, and transmission with four gear ratios was proposed. By controlling the engine, motors, clutches, and synchronizers of hybrid driving system, it could work in electrical driving mode, parallel hybrid driving mode, series hybrid driving mode, regenerative braking mode, and driving charging mode. The system was equivalent to a mass-spring-damping system adopting the lump inertia method and Newton's second law, from which the dynamic equations were built. The engine model and electric motor model were built through the lookup table method. The mode-switching control strategy and gear-shifting control strategy were designed according to the driving system structure characteristics. The output torque of the engine and motors were coordinately controlled during mode switching and gear shifting based on the torque response characteristics. The electric motor torque compensation control strategy based on engine output torque was designed to maintain the vehicle driving torque and eliminate torque interruption. The vehicle model and control model were built with the AMESim and MATLAB/Simulink software, which were used to simulate the vehicle launching process and gear shifting process. The results show that the HEV system ensures the smooth change of output torque without power interruption during gear shifting. Vehicle jerks during mode switching and gear shifting are limited, by controlling the change rate of engine and motor output torque, as well as engaging and disengaging the speed of clutches and synchronizers. 4 tabs, 17 figs, 22 refs.

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http://hdl.handle.net/10453/139985