共查询到19条相似文献,搜索用时 437 毫秒
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电-气串联混合动力客车动力系统方案设计 总被引:1,自引:0,他引:1
基于对电-气串联混合动力客车运行目标驾驶循环的分析,对动力系统进行了方案设计。对混合动力系统的构型进行了设计,并基于城市公交驾驶循环对动力系统的主要零部件(发动机、发电机、电动机、蓄电池)进行选型计算。建立了整车仿真模型,对整车零部件的选型结果进行了仿真验证。仿真结果表明,所设计的动力系统方案可以满足整车动力性和经济性要求。 相似文献
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为了方便整车总布置,同时提高整车动力系统效率,对动力系统设计了一套布置合理的架构;为了充分发挥混合动力公交车的动力性及经济性优势,让发动机、电机、变速箱、离合器等各部件相互协调工作提高整车行驶安全性,同时又兼顾保护电池的功能,特开发了一套科学合理的控制策略。 相似文献
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燃料电池汽车具有能量利用率高、零排放等优点,对其动力系统进行优化升级,提升整车性能.根据燃料电池汽车混合动力系统的结构,基于传统汽车平台,在不改变其结构参数和性能参数的基础上,更换内部动力部件.采用MATLAB、ADVISOR软件进行仿真模拟,将仿真数据与原车性能数据对比,发现整车动力性基本与传统汽车性能相当,论证了动力系统设计的可行性. 相似文献
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引言 并联式混合动力电动汽车设计的关键是进行动力系统的选型和匹配.本文所述的并联式混合动力汽车采用发动机作为主要动力源,使用超级电容作为储能单元,借助计算机模拟分析的方法对并联式混合动力汽车发动机、动力传动系统、驱动电机、超级电容组、整车动力系统的布置、机电耦合方式、制动能量回收利用进行了研究,探讨了并联式混合动力客车的一般设计方法. 相似文献
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建立了混合动力轻型客车样车的动力系统数学模型,基于这些数学模型及整车模糊逻辑能量管理控制策略,在MATLAB软件环境中建立了混合动力样车的整车仿真模型,仿真计算了样车在NEDC循环行驶工况下的燃油经济性,并利用MATLAB软件编程计算了其动力性.研究结果表明,该混合动力轻型客车的整车动力性符合初始设计目标,燃油经济性较... 相似文献
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四轮驱动燃料电池汽车动力系统参数匹配与优化 总被引:3,自引:0,他引:3
针对某多电机双能源四轮驱动燃料电池汽车动力参数匹配进行了研究。根据其整车结构、行驶工况以及控制策略,对动力系统参数进行初步选择,并以动力系统各部件尺寸最小为目标函数、相应参数为设计变量、整车动力性能为约束条件进行优化计算,得出动力传动系统合理的参数匹配,不仅动力性完全满足设计要求,而且经济性得到提高。 相似文献
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B. Suh A. Frank Y. J. Chung E. Y. Lee Y. H. Chang S. B. Han 《International Journal of Automotive Technology》2011,12(1):131-139
This research concerns the design of a powertrain system for a plug-in parallel diesel hybrid electric bus equipped with a
continuously variable transmission (CVT) and presents a new design paradigm for the plug-in hybrid electric bus (HEB). The
criteria and method for selecting and sizing powertrain components equipped in the plug-in HEB are presented. The plug-in
HEB is designed to overcome the vulnerable limitations of driving range and performance of a purely electric vehicle (EV),
and it is also designed to improve the fuel economy and exhaust emissions of conventional buses and conventional HEBs. Optimization
of the control strategy for the complicated and interconnected propulsion system in the plug-in parallel HEB is one of the
most significant factors for achieving higher fuel economy and lower exhaust emissions in the hybrid electric vehicle (HEV).
In this research, the proposed control strategy was simulated to prove its validity using the ADVISOR (advanced vehicle simulator)
analysis simulation tool. 相似文献
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J. Kim N. Kim S. Hwang Y. Hori H. Kim 《International Journal of Automotive Technology》2009,10(6):733-742
A motor control strategy for an input-split hybrid electric vehicle (HEV) is proposed. From a power characteristic analysis,
it is found that the powertrain efficiency decreases for speed ratios at which power circulation occurs. Using dynamic models
of an input-split HEV powertrain, a motor-generator control algorithm for obtaining high system efficiency is designed by
inversion-based control. The performance of the control algorithm is evaluated by the simulator which is developed based on
PSAT, and simulation results are compared with the test results. It is found that, even if the engine thermal efficiency is
sacrificed by moving the engine operation point from the OOL for the control strategy, improved overall powertrain system
efficiency can be achieved by the engine operation that gives a relatively high efficiency from the viewpoint of the overall
powertrain efficiency. The control algorithm developed can be used in design of future electric vehicles. 相似文献
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混合动力汽车动力总成试验台研究 总被引:12,自引:2,他引:12
基于混合动力汽车有串联、并联和混联等多种结构形式的特点,提出以模块化设计思想来搭建混合动力汽车动力总成试验台的方法,从而达到了在比较短的时间内、以尽量小的改动适应不同混合动力汽车动力总成结构形式组合需要的目标。根据研究需要,首先完成了混合动力汽车动力总成试验台并联形式的建设,并利用该试验台对所研制的混合动力城市客车多能源动力总成控制器进行了初步调试,验证了该控制器的软硬件设计和并联电动助力型控制策略。同时,所完成的发动机台架试验和电机台架试验也充分证明了试验台模块化设计思想的可行性和有效性。 相似文献
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M. Esfahanian A. Safaei H. Nehzati V. Esfahanian M. M. Tehrani 《International Journal of Automotive Technology》2014,15(6):1001-1013
In this paper a package for designing, modelling and simulation of three hybrid powertrains are presented. These powertrains are Electric hybrid, Hydraulic hybrid and Flywheel hybrid. The differences among the proposed hybrid powertrains include the energy storage system components, the secondary power converter and also the powertrain configuration. The O457 city bus is considered as the benchmark vehicle. At first, the design process for each hybrid powertrain which is based on the power requirements of the bus in any driving condition is presented. Then, the powertrains modelling using MATLAB/Simulink as a powerful simulating tool is presented. The models are feed-forward and resemble the real world driving conditions. Each model has the blocks for the main components of the corresponding propulsion system. The most important stage in the modeling process is implementing of the components efficiency in each powertrain. Moreover, there is a block in each hybrid powertrain model for the energy management. Finally, the simulation results for comparing the usefulness of the hybrid powertrains are presented. The results indicate that the electric hybrid powertrain has the most effect on reducing the bus fuel consumption. But regarding the fabrication expenses and manufacturing complexity, the hydraulic hybrid powertrain is recommended. 相似文献