Idle speed controller based on active disturbance rejection control in diesel engines |
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Authors: | E Kang S Hong M Sunwoo |
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Institution: | 1.VC Controller SW Team, LG Electronics,Incheon,Korea;2.Turbo Engine Research Lab,Hyundai Motor Group,Gyeonggi,Korea;3.Department of Automotive Engineering,Hanyang University,Seoul,Korea |
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Abstract: | 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. |
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