Design and development of few-tooth-deference planetary gear Powertrain Coupling system with biased bent shaft in electric and HEV for all-terrain vehicles

Abstract

The article has analyzed the domestic and international present research status and development trend of the electric and hybrid electric vehicles (HEV). Considering actual scientific research, according to the characteristic and environment requirement of all-terrain vehicle(ATV), the principle of elected and designed component parts for Powertrain Coupling system of ATV, and the demands of performance parameter of power, torque and speed of moving ATV, this article studies on the performance parameter and control strategy of powertrain coupling system of engine, electric motor and the storage battery. The optimization matching, the modeling simulation and the experiment have been carried out. The article proposes a new multipurpose design and development plan on the powertrain coupling system in electric and HEV for ATVs. It introduces a new transmission system based on few-tooth -deference planetary gear powertrain coupling system with biased bent shaft (FPS), which have been applied in powertrain coupling system of the multipurpose light electric and HEV for ATV. The research results show that the proposed FPS meets the performance requirement for entire vehicle (ATV), especially in regard infinitely variable speed. The method and the obtained result provide the basis design theory for the low-speed vehicles (that is, agricultural vehicles) and multipurpose light electric and HEVs. The technology has been applied to ATVs in Ningbo Saiting Electric Bicycle Science & Technology CO., LTD, and is applying for nation invention patent. Keywords-hybrid electric vehicle; powertrain coupling system; few-tooth -deference planetary gear transmission; optimize matching I.

Research on operating domain optimization of power split hybrid electric vehicle based on global bifurcation and chaos threshold

“…One of the key challenges of hybrid electric vehicles is the electromechanical coupling due to multiple energy sources. 1,2 If the operation range of the engine and motor are unreasonable, the rotor system will vibrate and become instability, even resulting in the shaft fracture of the power system. The nonlinear electromechanical coupling characteristics directly affect the performance, work efficiency, and safety of hybrid electric vehicles.…”

The Optimal Design and Controlled Strategy of the Planetary Gearing Powertrain Coupling System with Few-Tooth-Difference in Electric and HEV for All-Terrain Vehicles

“…It focal introduces the new powertrain coupling system based on CPF, which have applied in powertrain coupling system of the multipurpose light electric and HEV's, it emphasis introduces its application. The CPF may enhance the engine working efficiency, save the energy, discharge cleanly, and reduce the environmental pollution all [1] . This kind of ATV besides the engine can charge to the battery, the power can be regenerated to battery when ATV is in deceleration, when ATV was braked the inertia power of moving wheel can transform mechanical energy to electrical energy avoiding the energy waste.…”