| IDLE SPEED CONTROLLER BASED ON ACTIVE DISTURBANCE REJECTION CONTROL IN DIESEL ENGINES |
| E. KANG1, S. HONG2, M. SUNWOO3 |
1LG Electronics
2Hyundai Motor Group
3Hanyang University |
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| ABSTRACT |
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This study proposes a design for an idle speed controller to compensate for varying engine load and friction torque in passenger car diesel engines. An active disturbance rejection control (ADRC) framework, comprised of a disturbance compensator and a feedback controller, is applied to an idle speed controller to compensate for disturbances such as engine load and friction torque. In addition, a feedforward compensator is designed into the ADRC framework to improve disturbance rejection performance. The proposed controller is validated by engine and vehicle experiments and the experiment results are compared with a commercial controller. |
| Key Words:
Idle speed control, Active disturbance rejection control, Control oriented diesel engine model, Feedforward compensator, Extended state observer |
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