2018
DOI: 10.1155/2018/8252815
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Abstract: Rapid increase of vehicle longitudinal acceleration is required in an engine torque increasing phase, whereas little overshoot and oscillating acceleration are required in a torque holding phase. These two features give satisfying results with respect to both drivability and comfortability. However, when subjected to a sudden torque change in the tip-in condition, the driveline undergoes strong low-frequency torsional vibration which has an adverse impact on vehicle comfortability. Normally, a linear quadratic… Show more

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Cited by 6 publications
(4 citation statements)
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References 19 publications
(23 reference statements)
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“…According to ISO2631-1997, the peak oscillation magnitude has significant influence to comfort that can be used as a quantitative measure by (27). 6…”
Section: Simulation Results and Discussionmentioning
confidence: 99%
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“…According to ISO2631-1997, the peak oscillation magnitude has significant influence to comfort that can be used as a quantitative measure by (27). 6…”
Section: Simulation Results and Discussionmentioning
confidence: 99%
“…The behavior of the proposed controller is evaluated with a 100 Nm step drive torque input in 0.1 s under three kinds of road surfaces, see Figure 8. PID and LQR (based on 2-DOF model 6 ) controllers are selected for comparison. The speed difference at half-shaft is selected as control target for both controllers.…”
Section: Simulation Results and Discussionmentioning
confidence: 99%
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“…To achieve the desired active damping effect, designing reasonable damping control methodologies is necessary. Various efficient methodologies have been applied to deal with the torsional vibration control problems of HEV: (1) feedforward and feedback control (Alma et al, 2011; Ito et al, 2007; Karikomi et al, 2006; Kim et al, 2011; Kou and Weslati, 2013; Morandin et al, 2015): Karikomi et al used a feedback controller and a feedforward compensator to decrease the vibration of the vehicle drive train, and their method was successfully applied to Nissan Leaf series of electric vehicles; (2) quadratic optimal control (Hao et al, 2018; Kum et al, 2013; Liu et al, 2017; Zhao et al, 2019): Zhao et al proposed an engine start-up control strategy based on optimal control theory to improve the ride comfort of the mode transition process, and the experiment results indicate the proposed control method is effective; (3) robust control (Chang et al, 2014; Njeh et al, 2011; Zhang et al, 2016): Chang et al proposed a robust control strategy based on fuzzy sliding mode control technique to improve the drivability and NVH of HEV especially during mode changes; and (4) model predictive control (MPC) (Caruntu et al, 2011; Vadamalu and Beidl, 2016; Yoon et al, 2010): Vadamalu et al used the MPC algorithm to study the vibration reduction of hybrid vehicles equipped with three-cylinder engines, established a simplified three-degree-of-freedom (3-DOF) model of the transmission system and built a controller, and applied torque control to the motor to attenuate the torsional vibration fluctuations at the motor shaft.…”
Section: Introductionmentioning
confidence: 99%