Active damping of transient vibration in dual clutch transmission equipped powertrains: A comparison of conventional and hybrid electric vehicles

Abstract The purpose of this paper is to investigate the active damping of automotive powertrains for the suppression of gear shift related transient vibrations. Conventionally, powertrain vibration is usually suppressed passively through the application of torsional dampers in dual clutch transmissions (DCT) and torque converters in planetary automatic transmissions (AT). This paper presents an approach for active suppression of transient responses utilising only the current sensors available in the powertrain. An active control strategy for manipulating engine or electric machine output torque post gear change via a proportional-integral-derivative (PID) controller is developed and implemented. Whilst conventional internal combustion engine (ICE) powertrains require manipulation of the engine throttle, for HEV powertrains the electric machine (EM) output torque is controlled to rapidly suppress powertrain transients. Simulations for both conventional internal combustion engine and parallel hybrid vehicles are performed to evaluate the proposed strategy. Results show that while both the conventional and hybrid powertrains are both capable of successfully suppressing undesirable transients, the EM is more successful in achieving vibration suppression.

[1]  Philippe Chevrel,et al.  An H-infinity-based control design methodology dedicated to the active control of vehicle longitudinal oscillations , 2003, IEEE Trans. Control. Syst. Technol..

[2]  Manuel Goetz.  Integrated powertrain control for twin clutch transmissions , 2005 .

[3]  Jonas Fredriksson,et al.  Improved driveability of a hybrid electric vehicle using powertrain control , 2006 .

[4]  Chris Mi,et al.  Modeling and simulation of a dual clutch hybrid vehicle powertrain , 2009, 2009 IEEE Vehicle Power and Propulsion Conference.

[5]  B. Egardt,et al.  On powertrain oscillation damping using feedforward and LQ feedback control , 2005, Proceedings of 2005 IEEE Conference on Control Applications, 2005. CCA 2005..

[6]  Zhuo Bin.  Simulation of a Single-axle Parallel Hybrid Electronic System with Two-clutches , 2008 .

[7]  Jonas Fredriksson,et al.  Powertrain Control for Active Damping of Driveline Oscillations , 2002 .

[8]  Yi Zhang,et al.  Shift dynamics and control of dual-clutch transmissions , 2007 .

[9]  Uwe Wagner,et al.  Electrical Shift Gearbox (ESG) - Consistent Development of the Dual Clutch Transmission to a Mild Hybrid System , 2005 .

[10]  Hao Ying,et al.  Active Damping Wheel-Torque Control System to Reduce Driveline Oscillations in a Power-Split Hybrid Electric Vehicle , 2009, IEEE Transactions on Vehicular Technology.

[11]  Hong Jiang,et al.  A Systematic Model for Dynamics and Control of Dual Clutch Transmissions , 2009 .

[12]  Paul D. Walker,et al.  Control of gear shifts in dual clutch transmission powertrains , 2011 .

[13]  Hong Jiang,et al.  Dynamic Modeling and Simulation of a Dual-Clutch Automated Lay-Shaft Transmission , 2005 .

[14]  P. Chevrel,et al.  Active damping of automotive powertrain oscillations by a partial torque compensator , 2007, 2007 American Control Conference.