Development of Electric Waste Gate Actuator using Planetary Gear and DC Motor for Turbocharger

Authors

  • Soo-Whang Baek

DOI:

https://doi.org/10.17762/msea.v71i3.190

Abstract

Nowadays, due to high oil prices and global warming, the automotive industry is striving to develop automobiles with high fuel efficiency and EWGAs capable of controlling the valve opening degree are preferred. In this study, an electric waste gate actuator (EWGA) for a turbocharger, used to improve the performance of a vehicle powertrain system by applying a DC motor and planetary gear, was developed. To this end, to efficiently manage the turbocharger, the waste gate valve mounted on it was replaced with an EWGA from an on-off vacuum type valve. This EWGA has the advantage of regulating the amount of air introduced into the engine by controlling the amount of exhaust gas entering through the turbocharger using the valve lift of the actuator.

The proposed EWGA was driven by the rotation of a DC motor and was designed to amplify the output torque of the motor by using a planetary gear with a high gear ratio of 40:1. For the planetary gear, the load was distributed inside the gear train, and a two-stage planetary gear was used, considering the stress and safety factor. Finally, an optimal EWGA prototype was manufactured and the feasibility of the proposed design was verified by evaluating the amount of current for both the 1st and 2nd tooth stages.

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Published

2022-06-09

How to Cite

Soo-Whang Baek. (2022). Development of Electric Waste Gate Actuator using Planetary Gear and DC Motor for Turbocharger. Mathematical Statistician and Engineering Applications, 71(3), 515 –. https://doi.org/10.17762/msea.v71i3.190

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Section

Articles