Control design and fuel economy investigation of power split HEV with energy regeneration of suspension

Control design and fuel economy investigation of power split HEV with energy regeneration of suspension
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悬架能量再生动力分流混合动力汽车控制设计与燃油经济性研究

DOI:
10.1016/j.apenergy.2016.08.034
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发表时间:
2016-11
期刊:
影响因子:
11.2
通讯作者:
Chen L
Chen L
中科院分区:
工程技术1区
文献类型:
--
作者:
Shi Dehua;Chen Long;Wang Shaohua;Shi Dehua;Pisu Pierluigi;Wang Renguang;Chen L

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研究了具有能量再生能力的主动悬架对动力分离式混合动力汽车燃油经济性的影响。建立了混合动力汽车动力总成和悬架的模型,并根据它们之间的相互作用进行了统一。综合分析了控制参数对悬架性能的影响。这些分析为悬架控制器的设计提供了依据。设计了混合动力汽车动力总成和悬架的高层监控控制器和低级子控制器。低级子控制器可以保证每个系统的性能,其控制参数由监督控制器更新。为了更好地应用于所提出的系统,对保持充电可持续性的等效消耗最小化策略(ECMS)进行了改进。不同工况下的仿真结果表明,混合动力汽车的燃油经济性和乘坐舒适性都得到了改善。通过对各种方案的对比分析,验证了悬架能量再生对动力分离式混合动力汽车节能性能的积极作用。同时,应用ECMS可以显著提高混合动力汽车的燃油经济性。
This paper explores the impacts of active suspension with energy regeneration capability on the fuel economy of a power split Hybrid Electric Vehicle (HEV). Models of HEV powertrain and suspension are established and, based on their interactions, unified. The impacts of control parameters on the suspension performance are synthetically analyzed. The analyses form a basis for the design of suspension controller. High-level supervisory controller and low-level sub-controllers for HEV powertrain and suspension are designed. Low-level sub-controllers can ensure the performance of each system, whose control parameters are updated by the supervisory controller. The equivalent consumption minimization strategy (ECMS), superior in maintaining charge sustainability, is improved for better application in the proposed system. Simulation results under different conditions demonstrate that both HEV fuel economy and ride comfort are improved. Comparative analyses of various scenarios validate the positive effect of suspension energy regeneration on the energy conservation performance of power split HEV. Meanwhile, the improvement of HEV fuel economy can be highlighted by applying ECMS.
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