On the Gearbox Structure Optimization Design Method of the Electric Vehicle
Date Issued
2011
Date
2011
Author(s)
Chang, Huan-Yu
Abstract
The vehicle industry is developing to a new generation of the electric vehicle. The main problem of the EV is the short driving range. Although reducing the weight is the best way to prolong the driving range, light-weight will cause the resonance between the gearbox and the gear, and it may lead to more noises and less efficiency. Therefore, this research brings up a new design method to solve the resonance problem caused by reducing weight. This design method includes the Topology optimization and the Topography optimization, and it can reach the design target of strength, stiffness, and natural frequency simultaneously. So the vibration can be reduced to prevent the problem of efficiency decrease. The new design process provided from this research is applied to the transmission gearbox of the EV, named Green Jumper, which is made by FAPRC (Formosun Advance Power Research Center), to verify the practicability and the feasibility of this design method of EV’s transmission gearbox structure.
Subjects
Electric vehicle
Transmission
Gearbox
Optimization
Vibration
Type
thesis
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