Synthesis and analysis method for powertrain configuration of single motor hybrid electric vehicle

Review of the Methods to Optimize Power Flow in Electric Vehicle Powertrains for Efficiency and Driving Performance

“…Torque coupling is generally useful for start-stop condition, while speed coupling is usually applied to achieve fast acceleration and high-speed driving. Latest examples for the optimization of HEV powertrain configurations can be read in [71][72][73]. In Peng et al [71], various HEV powertrain configurations based on CVT with metal belts and discrete gear automatic transmissions as the torque coupling, and a planetary gearset as the speed coupling, were generated using a fundamental matrix.…”

Analysis of the influence of power coupling type and transmission type of the powertrain on the performance of single-motor hybrid electric vehicles

“…The hybrid electric powertrain shown in Figure 1(c) uses a planetary gear mechanism as the power coupling mechanism and has been equipped in Chery ARRIZO 7e. 9 The hybrid electric powertrain shown in Figure 1(d) uses a Ravigneaux planetary gear as the power coupling mechanism and has been equipped in Toyota Estima. 19 BYD Tang PHEV is equipped with a DCT-based P3 + P4 hybrid electric powertrain as shown in Figure 1(e), and Schaeffler has developed a CVT-based P2/P3 dualmode hybrid electric powertrain as shown in Figure 1(f ).…”

“…The power coupling mechanism of the SMPHP, which determines the power coupling form of engine and motor, can be a parallel shaft gear mechanism or a planetary gear (PG) mechanism, thereby forming torque-coupled powertrains, speed-coupled powertrains and dual-mode coupled powertrains. Peng et al 9 searched the powertrain configuration of the SMPHP with a PG and a CVT and analyzed the influence of the powertrain configuration on the fuel economy, drivability, system working conditions of parallel HEVs. Yang et al 10 compared the fuel economy of P1 torque-coupled, P2 torque-coupled and P2 dual-mode coupled AMT-based SMPHPs and found that the speed coupling working mode can effectively improve the working efficiency of the engine.…”

A Novel Architecture of Multimode Hybrid Powertrains for Fuel Efficiency and Sizing Optimization

“…The research topics of the recent studies include diverse research areas such as driving and regenerative control strategy of HEVs [1]- [3], optimal design of component sizing and electrical energy storage [4], [5], driving energy management strategy for HEV [6], a design methodology for compound-split hybrid electric vehicles with the compound lever diagram [7], comparative analysis of classical energy management optimization with reinforcement learning [8], a parametric model for power split hybrid transmissions [9], and thermal management and analysis of electrified drive systems and hydraulic hybrids [10]- [13]. For the research on architectures of hybrid systems, there have existed a number of studies for past decades since the 1970s and diverse recent studies like a multimode power split hybrid transmission [14], hybrid powertrain architectures for a fourwheel drive [15], series-parallel and power split architecture based dedicated hybrid transmissions (DHTs) [16], powertrain configuration of single motor hybrid systems [17], and novel powertrain architectures with Ravigneaux and planetary gear trains [18].…”