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PARTICULATE MATTER REMAINING AMOUNT ESTIMATING METHOD FOR PARTICULATE FILTER AND PARTICULATE FILTER REGENERATING METHOD

机译:微粒过滤器的微粒残留量估算方法和微粒过滤器再生方法

摘要

Every time a specified period of time is counted during execution of filter regeneration control, a PM remaining amount every time that the specified period of time passes is estimated by subtracting the product of the specified period of time, a PM removal rate per unit time, and a PM remaining amount at the point when the specified period of time started to be counted from the PM remaining amount at the point when the specified period of time started to be counted. As a result, the PM remaining amount during execution of filter regeneration control which oxidizes and removes particulate matter that has accumulated on a particulate filter is estimated with greater accuracy.
机译:每次在执行过滤器再生控制期间计算出指定的时间段时,通过减去指定时间段的乘积,每单位时间的PM去除率,来估算每次经过指定时间段时的PM残留量,从开始计数指定时间点的PM剩余量起,开始计算指定时间点的PM剩余量。结果,可以更高精度地估计执行氧化并去除累积在颗粒过滤器上的颗粒物的过滤器再生控制期间的PM残留量。

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