发明名称 |
Intake port pressure prediction for cylinder activation and deactivation control systems |
摘要 |
A system includes a parameter module that determines at least one of a position of a throttle and a load of an engine. A cylinder status module generates a status signal indicating an activation status of each cylinder of the engine. The cylinder status module determines whether one or more of the cylinders are activated. A first pressure prediction module, when all of the cylinders are activated, predicts first intake port pressures for the cylinders of the engine according to a first model and based on the at least one of the position of the throttle and the engine load. A second pressure prediction module, when one or more of the cylinders is deactivated, predicts second intake port pressures for the deactivated cylinders according to a second model and based on the status signal and the at least one of the position of the throttle and the engine load. |
申请公布号 |
US9222427(B2) |
申请公布日期 |
2015.12.29 |
申请号 |
US201313798536 |
申请日期 |
2013.03.13 |
申请人 |
GM Global Technology Operations LLC |
发明人 |
Matthews Gregory P.;Liu Zhiping Steven |
分类号 |
F02D41/00;F02D41/18;F02D13/02;F02D13/06;F02D17/02 |
主分类号 |
F02D41/00 |
代理机构 |
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代理人 |
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主权项 |
1. A system comprising:
a parameter module that determines at least one of a position of a throttle and a load of an engine, wherein the engine comprises a plurality of cylinders; a cylinder status module that generates a status signal indicating an activation status for each of the plurality of cylinders, wherein the cylinder status module determines whether one or more of the plurality of cylinders are deactivated; a first pressure prediction module that, when all of the plurality of cylinders are activated, predicts first intake port pressures for the plurality of cylinders according to a first model and based on the at least one of the position of the throttle and the load of the engine; a second pressure prediction module that, when one or more of the plurality of cylinders is deactivated, predicts second intake port pressures for the deactivated cylinders according to a second model and based on the status signal and the at least one of the position of the throttle and the load of the engine; and a fuel control module configured to adjust fuel to or torque output of the engine based on the first intake port pressure and the second intake port pressure. |
地址 |
Detroit MI US |