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Anti-jerk controller design with a cooperative control strategy in Hybrid Electric Vehicle

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5 Author(s)
Yong Seok Kim ; Hyundai Motors, 771-1, Jangduk-Dong, Hwaseong-Si, Gyeonggi-Do, The Republic of Korea ; Joonyoung Park ; Tae Wook Park ; Jae Sung Bang
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Abstract-In this paper, vibration suppression in the drivetrain of HEV(Hybrid Electric Vehicle) is considered. This study is motivated by the fact that vibration in the drivetrain of HE V and E V(Electric Vehicle) becomes a more important problem because while the existing gasoline or diesel vehicles have sufficient elements which have a role of a damper such as a torque converter, a flexible joint, and so on, the HEV and EV do not, and then the vibration is not effectively suppressed. Since the vibration makes passengers feel uncomfortable and causes poor drivability, this problem should be solved for good merchantable quality of HEV and EV. For this, in this paper we design an anti-jerk controller with a cooperative control strategy among HCU(Hybrid Control Unit), MCU(Motor Control Unit), EBS(Electric Brake System), TCU(Transmission Control Unit), and ECU(Engine Control Unit). We present the cooperative control strategy which makes appropriate circumstances under which the anti-jerk controller operates well. Then, the anti-jerk controller is designed that is composed of an active damping method producing a reverse torque of which the phase is opposite to that of the vibration and a torque profiling method limiting the gradient of torque. In order to verify the effectiveness of the proposed controller, simulation results and experimental results are shown.

Published in:

Power Electronics and ECCE Asia (ICPE & ECCE), 2011 IEEE 8th International Conference on

Date of Conference:

May 30 2011-June 3 2011