Internal Combustion Engine - Automatic Transmission Matching for Next Generation Power Transfer Technology Development in Automotive Applications

Robinette, Darrell; Singh, Tejinder

doi:10.4271/2016-01-1099

Cited by 2 publications

(1 citation statement)

References 26 publications

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“…From the overall findings in [31], the optimal gear selection is highly dependent on vehicle and engine application. In [32], a range of hypothetical gasoline engines with lower and wider BSFC contours in the core operating region were created, and the influence of these hypothetical engines on the transmission gear selection was conducted, as well as the fuel consumption improvement.…”

Section: Introductionmentioning

confidence: 99%

Architecture Optimization of Hybrid Electric Vehicles with Future High-Efficiency Engine

Hong¹,

Zhao²,

Lei³

et al. 2018

Energies

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The great development of engine technologies can help to improve the engine characteristics and performance: a better thermal efficiency and an extending fuel economy area, which will subsequently decrease the fuel consumption and thus influence the overall architecture of the vehicle. In this paper, an investigation is carried out to assess the influence of the high-efficiency engine on the transmission gear numbers. First, according to the relevant studies and the integration of the advanced engine technology, a future engine fuel consumption map is obtained, based on which, the preliminary simulations are applied to explore the best match between the transmission and the proposed future engine from the perspective of fuel consumption. The simulation results indicate that the transmission with four gears is the best option to match the future engine while maintaining good fuel economy and meeting the driving demands. Then, based on this conclusion, a new hybrid powertrain architecture, which includes four gears for the engine, is introduced and analyzed in detail, with the advantage of seamless gear shift due to the compensation torque of the motor. Finally, to further examine the fuel economy and gear shift quality of the proposed powertrain, the dynamic model is established and the simulation results demonstrate that the new powertrain architecture shows a good fuel consumption performance and the gear shift process can be achieved without power interruption.

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Section: Introductionmentioning

confidence: 99%