This paper presents a comprehensive optimization procedure of a series electric hydraulic hybrid vehicle powertrain and control through the interactive adaptive-weight genetic algorithm method. The optimization sim. ••Electric hydraulic drivetrain concept to improve drive range and b. 4WD 4-wheel driveBOL Beginning of lifeEHHV. In the current global scenario of air quality concern, the road transportation sector contributes to a substantial parcel of air pollutant emissions, which consist of a major threat to cli. In this work, the software Matlab/SimulinkTMwas used to build the EHHV computational model considering the vehicle longitudinal dynamics applying Newton's secon. The Fuzzy Logic Control (FLC) combines specialized knowledge and experience acquired in experiments to determine the actions that must be performed. The control variables are defi.
[PDF Version]
Can electric-hydraulic hybrid vehicles save energy?
Electric-hydraulic hybrid vehicle hasmore potential to save energy than electric vehicles. Innovative strategy that blends deep reinforcement learning with rule-based method is proposed. TD3 algorithm is used to achieve the self-adaptive electric-hydraulic ratio.
Can electric hydraulic hybrid vehicle powertrain architectures reduce battery aging?
Finally, the optimization results indicate that electric hydraulic hybrid vehicle powertrain architectures can be a very attractive propulsion technology regarding both sustainable and economical aspects, effectively reducing battery aging by the use of a high power density hydraulic accumulator, which acts as a peak power buffer unit.
Is the electric hydraulic hybrid a viable solution to the electric fleet?
Both vehicle configurations were optimized under the same driving cycles and the electric hydraulic hybrid vehicle demonstrated cost by driving range ratio improvement up to 9.57% as compared to the HESS EV, which indicates that the electric hydraulic hybrid is a viable solution to immediate implementation of the electric fleet.
Can electric hybrid vehicle powertrain reduce the life cycle of batteries?
The implemented vehicle architecture aimed to decrease the current peaks, which expressive decrease the life cycle of batteries. The electric hydraulic hybrid vehicle powertrain architecture could reduce these current peaks since the hydraulic system, which has high power density, can be used as a peak power buffer unit, avoiding battery overloads.
Are hydraulic drivetrain architecture and electric powertrain system related?
This study proposed the association of the hydraulic drivetrain architecture and the electric powertrain system, generating the electric hydraulic hybrid vehicle controlled by fuzzy logic.
Are batteries a primary energy storage component of electric vehicles?
Batteries have relatively high energy density and thus serve as the primary energy storage components of electric vehicles . However, under operating conditions characterized by frequent braking in urban areas and high-current accelerations, batteries undergo frequent and substantial charging and discharging processes .