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本文以容量和能量为电池健康表征参数进行电池健康状态(State of health, SOH)评估方法研究。首先分别采用两种方法进行健康状态估计:一种是直接输入原始电池容量、能量序列,利用灰色预测算法(Metabolic grey algorithm, MGA)对电池容量和能量进行预测;另一种是先输入原始模型参数,利用灰色预测算法对简化电化学-老化模型(Simplifiedelectrochemical model, SEM)参数进行预测,将预测后的参数值代入到模型当中,拟合电池端电压曲线,再通过积分法获取电池的容量和能量。针对两种健康表征参数衰退速度、估计精度等问题,提出基于数据-模型混合驱动的锂离子电池健康状态的综合评估方法,实现电池健康状态的准确估计。 相似文献
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There is a worldwide consensus that excessive anthropogenic carbon dioxide emissions will lead to global warming and other environmental problems. Supports from regulations and policies have gradually implemented in this area. As one of the most discussed policies, the carbon emissions trading schemes(CETS) has an advantage in its price-oriented and cost-saving characteristics. In this paper, we analyze and assess the CETS effect from static and dynamic perspectives by applying provincial panel data covering a period ranging from 2004 to 2017. The CETS policy has a significant constraining effect on both carbon emissions and primary energy consumption. Compared to the other two uncertainties, namely the energy price uncertainty and the technology uncertainty, the carbon permit price uncertainty has a relatively smooth impact on the economy, which is being pursued consistently by the policymakers. 相似文献
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