| 发明名称 |
Transmission load predicting system for a stop-start system and a hybrid electric vehicle |
| 摘要 |
An engine system of a vehicle includes an engine torque module. The engine torque module determines an engine output torque profile including predicted torque outputs based on an accelerator signal and an engine state variable. A load control module determines a dynamic transmission load profile based on the engine output torque profile and an engine speed profile. The dynamic transmission load profile includes transmission loads as a function of engine speed during an auto-start of an engine. A compensation module generates a torque compensation signal based on the dynamic transmission load profile. An actuator module compensates for a change in a transmission load based on the torque compensation signal and during a transition of the engine from a cranking state to an idle state. |
| 申请公布号 |
US8892339(B2) |
申请公布日期 |
2014.11.18 |
| 申请号 |
US201012835842 |
申请日期 |
2010.07.14 |
| 申请人 |
|
发明人 |
Ma Qi;Shafto Robert Douglas;Lochocki, Jr. Ronald F. |
| 分类号 |
F02N11/08;F02D11/10;F02D29/02;F02D13/02 |
主分类号 |
F02N11/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An engine system of a vehicle comprising:
an engine torque module that determines an engine output torque profile including predicted torque outputs based on an accelerator signal and an engine state variable; a load control module that determines a dynamic transmission load profile based on the engine output torque profile and an engine speed profile, wherein the dynamic transmission load profile includes transmission loads as a function of engine speed during an auto-start of an engine; a compensation module that generates a torque compensation signal based on the dynamic transmission load profile; and an actuator module that compensates for a change in a transmission load based on the torque compensation signal and during a transition of the engine from a crank state to an idle state. |
| 地址 |
|
