One of the major issues for hybrid electric vehicles (HEVs) powertrain is the torsional
vibration in the process of speed-up condition, which is unavoidable. The broader goal of …

For plug-in hybrid electric vehicles (PHEVs), mode transition might be the most effective way
of energy conservation. However, the transient torsional vibration (TTV) during mode …

The development of planetary gear hybrid powertrain (PGHT) in recent years has targeted at
the fuel economy for hybrid electric vehicles. However, added complexity and flexibility …

Torsional vibrations in the power drivetrain are a serious problem for power-split hybrid
electric vehicles (HEVs) since the engine is directly connected to the transmission system …

A hybrid electric vehicle (HEV) that uses multiple planetary gear units with clutches as
transmission system is advanced for the powertrain performance, because the operation of …

Due to limited flexibility of engine operation, it is uneasy to improve the fuel economy of
parallel hybrid electric vehicles (HEVs) with a single electric machine (SEM) from control …

The power-split hybrid electric powertrain (PHEP) based on planetary gear can adjust the
engine speed and compensate the engine torque by adopting double motors, which makes …

A novel power-split powertrain is proposed for the electric vehicles (EVs), which consists of
dual propelling motor and one planetary gear set. The original motor is replaced by two …

This paper presents a comprehensive dynamic efficiency model for the overall powertrain
efficiency that considers the internal combustion engine and electric motor generators in …

In this study, based on our previous work, a novel simplified torsional vibration dynamic
model is established to study the torsional vibration characteristics of a compound planetary …