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NVH Features and Corresponding Control Strategies for Differing Architecture Hybrid Vehicle Facing Specific Driving Scenarios
Technical Paper
2023-01-1098
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Hybrid vehicle, equipped power source not only gas engine but also motor, power electronics and differing types of transmissions, manifests more complicated/specific/exceptional NVH behaviors than that of gas powered vehicle, like parking engine start/stop for charging, EV mode traction/recuperation, mode switch, etc. On top of that, differing hybrid architecture exists, depending on number and location of motor and type of transmission, hence NVH features and related control strategies are highly likely to be different even under identical driving scenarios, as such, the holistic and deep insight into the NVH features and related control strategies are very meaningful for hybrid vehicle NVH performance refinement, and will expedite the process of vehicle NVH development. Firstly in this paper, the differing hybrid architectures, e.g. single motor installed parallel hybrid and twin motor installed main stream hybrid architecture are delineated as well as the general NVH pros/cons as per common driving scenarios, then the specific driving scenarios assessing NVH performance differing to gas powered vehicle is described in terms of concerned engine/motor/transmission/vehicle parameters. Secondly the NVH features for differing hybrid architecture facing common driving scenarios are presented to illustrate distinguished NVH phenomenon are existed even facing common driving scenarios by differing hybrid architectures, as of different number/location of motor and of topology of transmission. Lastly, the NVH control strategy/measure guidelines for above-mentioned NVH issues under common driving scenarios pervasively for all mentioned hybrid architecture are elaborated, specifically centering on calibration aspects.
Authors
- Qian Zhao - BAIC Motor Corporation, Ltd.
- Ming Liu - BAIC Motor Corporation, Ltd.
- Liling Zhang - BAIC Motor Corporation, Ltd.
- Jing Li - BAIC Motor Corporation, Ltd.
- Ming Kang - BAIC Motor Corporation, Ltd.
- Xiaolong Li - BAIC Motor Corporation, Ltd.
- Haolong Niu - BAIC Motor Corporation, Ltd.
- Chao Ma - BAIC Motor Corporation, Ltd.
- Yanan Cheng - BAIC Motor Corporation, Ltd.
- Yu Liu - BAIC Motor Corporation, Ltd.
Topic
Citation
Zhao, Q., Liu, M., Zhang, L., Li, J. et al., "NVH Features and Corresponding Control Strategies for Differing Architecture Hybrid Vehicle Facing Specific Driving Scenarios," SAE Technical Paper 2023-01-1098, 2023, https://doi.org/10.4271/2023-01-1098.Also In
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