用于估计排气后处理系统中烟尘负载的系统和方法

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By combining a weighted model of the wall cleaning and wall clogging processes, the controller can more accurately estimate the dust load, solving the problem of inaccurate regeneration events in the prior art and realizing the protection and optimized operation of system components.

CN114753908BActive Publication Date: 2026-07-17CUMMINS LTD

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Patent Information

Authority / Receiving Office: CN · China
Patent Type: Patents(China)
Current Assignee / Owner: CUMMINS LTD
Filing Date: 2021-01-08
Publication Date: 2026-07-17

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Abstract

一种系统、装置和方法。该方法包括：由控制器确定在后处理系统的过滤器上的第一烟尘负载量，所述第一量基于第一基于压差的烟尘负载估计(DPSLE)确定；由所述控制器确定所述过滤器上第二烟尘负载，所述第二量基于第二DPSLE确定；由所述控制器基于所述第一量和所述第二量确定加权的烟尘负载量；响应于加权量超过再生阈值，由控制器命令排气后处理系统的再生事件。

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