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2017考博英语阅读题源经济学人文章每日精析（九十五）

2017-02-23 17:33:52来源：网络

　　t seems to work—at least, in simulations. Using live traffic information to mimic journeys in southern California, Dr Qi and Dr Barth compared their algorithm with a basic energy-management system for plug-in hybrids that simply switches to combustion power once the battery is depleted. As they report in a paper to be published in IEEE Transactions on Intelligent Transportation Systems, their system was 10.7% more efficient than the conventional one. If the system is aware in advance that a recharging station will be used as part of the trip (which might be arranged by booking one via the vehicle’s information screen) it can spread the use of electric power throughout the journey, to maximum advantage, knowing when the battery will be topped up. In such situations the average fuel saving was 31.5%.

　　至少在模拟状态看起来可行。利用现实交通实况模拟南加州道路，Qi博士与Barth博士用他们的程序与普通燃油管理系统进行比较，后者用于传统带插头接电的混合动力车，当电池电量耗尽时，它能直接转换成汽油驱动的程序。正如他们在一篇即将发表于IEEE智能交通系统的论文上所述的那样，他们的系统比传统车燃油利用率高出10.7%。如果系统提前知道路上可以充电(这能通过在车上的信息屏幕进行预定，然后提前安排)，它能够在旅途中均衡使用电能，在知道电池在何时能够被充满的前提下，达到最大利用率。并且平均省油将达到31.5%。

　　simulation：n.模拟

　　Dr Qi and his colleagues now hope to work with a carmaker to test the algorithm on real roads. If all goes well, and their system proves able to cope with the nightmares of commuting in southern California, they will not be left stranded on the hard shoulder.

　　Qi博士和他的同事目前希望能与汽车制造商合作，在实际道路上测试程序。如果一切顺利，他们的系统将被证实能够解决南加州上下班路段的难题，那么也将不会出现车辆拥堵的情况了。

　　hard shoulder：紧急停车处


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