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12. 发明授权

US06378515B1 Exhaust gas recirculation apparatus and method 有权
标题翻译：废气再循环装置及方法
公开(公告)号：US06378515B1
公开(公告)日：2002-04-30
申请号：US09590379
申请日：2000-06-09
申请人： Stephen Mark Geyer
发明人： Stephen Mark Geyer
IPC分类号： F02D4114
CPC分类号： F02D41/1402 , F02D21/08 , F02D41/005 , F02D41/0052 , F02D41/0072 , F02D41/1454 , F02D41/1461 , F02D2041/1418 , F02D2041/1433 , F02D2200/0404 , F02D2200/0406 , F02D2200/0414 , F02D2200/1012 , F02D2200/703 , F02M26/04 , F02M26/48 , Y02T10/47
摘要： An exhaust gas recirculation method and apparatus adapted for use on an internal combustion engine. The apparatus includes an engine operational model, with the engine operational model capable of outputting at least one engine operational characteristic, a feedback controller portion, the feedback controller portion receiving an emissions level feedback and generating a feedback control signal based on a difference between a predetermined EGR level and the emissions level feedback, a feedforward controller portion receiving a plurality of engine sensor inputs and using the plurality of engine sensor inputs in conjunction with the engine operational model to generate a feedforward control signal, the feedforward control signal capable of changing an EGR exhaust gas flow before the plurality of engine sensor inputs show a deviation from a predetermined emissions level, and a controller receiving the feedback control signal, the feedforward control signal, and accessing the engine operational model, the controller regulating an EGR exhaust gas flow in response to the feedback control signal, the feedforward control signal, and the engine operational model.
摘要翻译：适用于内燃机的排气再循环方法和装置。该装置包括发动机操作模型，发动机操作模型能够输出至少一个发动机操作特性，反馈控制器部分，反馈控制器部分接收排放水平反馈，并基于预定的 EGR水平和排放水平反馈，前馈控制器部分接收多个发动机传感器输入并且结合发动机操作模型使用多个发动机传感器输入以产生前馈控制信号，所述前馈控制信号能够改变EGR 在多个发动机传感器输入之前的排气流量显示出与预定排放水平的偏差，以及接收反馈控制信号，前馈控制信号和进入发动机操作模型的控制器，控制器响应于EGR排气流量到反馈控制点火，前馈控制信号和发动机运行模式。

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