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针对国内消防车辆用夹心取力器采用的机械式离合方式存在的不足,提出采用电磁离合器实现车辆无论是在静止状态还是运动过程中,均可以通过电信号控制取力器的离合,满足取力器带载动力的切入与脱开的性能要求,同时保障取力器稳定可靠的工作状态。 相似文献
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介绍了汽车电器系统的电量平衡评判方法和理论分析,结合一款新开发的商用车,以其夏季交流发电机与用电量匹配为例说明如何根据汽车电平衡数据选择合适的发电机。 相似文献
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应用ADVISOR研究丰田混合动力系统 总被引:4,自引:0,他引:4
研究了丰田混合动力系统及其主要控制策略,利用ADVISOR软件对Prius轿车的加速过程和燃油经济性进行了模拟计算,并与试验结果进行了对比。UDDS工况下计算的油耗为4.88-5.65L/100km,EPA的试验结果为4.85L/100km;HWFET工况下计算的油耗为3.35-4.28L/100km,EPA的试验结果为4.37L/100km。 相似文献
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《Vehicle System Dynamics: International Journal of Vehicle Mechanics and Mobility》2012,50(10):1518-1532
In this paper, a hybrid hydraulic passenger car (HHPC) coupled with a power split continuously variable transmission (P-CVT) is proposed. This P-CVT is capable of splitting the power from the internal combustion engine into mechanical and hydraulic power flows. By adjusting the ratio of the mechanical power to hydraulic power, the P-CVT enables the transmission ratio to be changed continuously. Meanwhile, the P-CVT system can capture the braking energy and store it in the hydraulic accumulator for the next assistant driving. In order to quantitatively investigate the effect of applying P-CVT on improving the fuel economy and operating performance for the HHPC, a numerical simulation is conducted under typical city driving conditions. The simulation results demonstrate that, the P-CVT permits the engine to be run under a more efficient operating range. The total fuel consumption of the HHPC is reduced by 16.4% under the test conditions, compared with that of the original car. 相似文献