通过引入驾驶评价指标和制动压力的控制及其要求规范了驾驶行为,为提高测试的准确性以及可重复性提供了保障。利用8名具有多年底盘测功机驾驶经验的驾驶员及两台轻型汽油车,在底盘测功机上开展了大量的新欧洲驾驶循环测试(New European ...通过引入驾驶评价指标和制动压力的控制及其要求规范了驾驶行为,为提高测试的准确性以及可重复性提供了保障。利用8名具有多年底盘测功机驾驶经验的驾驶员及两台轻型汽油车,在底盘测功机上开展了大量的新欧洲驾驶循环测试(New European Driving Cycle,NEDC)和全球轻型车统一循环测试(Worldwide Harmonized Light Vehicles Test Cycle,WLTC),并以10 Hz为采样频率连续记录数据进行综合计算,得到驾驶评价指标结果。通过相关性分析,认定驾驶风格对油门扰动性的影响在NEDC工况下比在WLTC工况下的更大,主因是驾驶员在稳定工况下拥有更多的自由度。对于NEDC工况,可以通过设定IWR及EER限值来实现规范驾驶;对于WLTC工况,可以通过设定IWR和RMSSE限值来实现规范驾驶。此外,通过限制工况驾驶过程中的最大制动压力还为规范驾驶提供了有效途径。不仅为降低不同驾驶员对燃料消耗量测试的影响提供了参考,在我国汽车领域实现“双碳”目标的背景下,也为乘用车碳排放大数据采集的准确性提供了借鉴。展开更多
[Objective] The aim was to study the regression relationship between water index (WI) and fuel moisture content (FMC) of different growth periods of sawtooth oaks leaf.[Method] Taking sawtooth oaks in Huaguo Mount...[Objective] The aim was to study the regression relationship between water index (WI) and fuel moisture content (FMC) of different growth periods of sawtooth oaks leaf.[Method] Taking sawtooth oaks in Huaguo Mountain,Lianyungang City as research object,the sensitivity of WI to leaf FMC was studied at leaf level,and statistical characteristics were analyzed.[Result] The WI of sawtooth oaks leaves was sensitive to the changes of FMC,and the line regression level between them was significant.A fitting curve between leaf FMC and WI was obtained.[Conclusion] The research provides reference for acquisition methods of vegetation water remote sensing within the range of study area.展开更多
文摘通过引入驾驶评价指标和制动压力的控制及其要求规范了驾驶行为,为提高测试的准确性以及可重复性提供了保障。利用8名具有多年底盘测功机驾驶经验的驾驶员及两台轻型汽油车,在底盘测功机上开展了大量的新欧洲驾驶循环测试(New European Driving Cycle,NEDC)和全球轻型车统一循环测试(Worldwide Harmonized Light Vehicles Test Cycle,WLTC),并以10 Hz为采样频率连续记录数据进行综合计算,得到驾驶评价指标结果。通过相关性分析,认定驾驶风格对油门扰动性的影响在NEDC工况下比在WLTC工况下的更大,主因是驾驶员在稳定工况下拥有更多的自由度。对于NEDC工况,可以通过设定IWR及EER限值来实现规范驾驶;对于WLTC工况,可以通过设定IWR和RMSSE限值来实现规范驾驶。此外,通过限制工况驾驶过程中的最大制动压力还为规范驾驶提供了有效途径。不仅为降低不同驾驶员对燃料消耗量测试的影响提供了参考,在我国汽车领域实现“双碳”目标的背景下,也为乘用车碳排放大数据采集的准确性提供了借鉴。
基金Supported by Natural Science Foundation of Jiangsu Province(BK2009627)~~
文摘[Objective] The aim was to study the regression relationship between water index (WI) and fuel moisture content (FMC) of different growth periods of sawtooth oaks leaf.[Method] Taking sawtooth oaks in Huaguo Mountain,Lianyungang City as research object,the sensitivity of WI to leaf FMC was studied at leaf level,and statistical characteristics were analyzed.[Result] The WI of sawtooth oaks leaves was sensitive to the changes of FMC,and the line regression level between them was significant.A fitting curve between leaf FMC and WI was obtained.[Conclusion] The research provides reference for acquisition methods of vegetation water remote sensing within the range of study area.