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Parameter design and performance analysis of zero inertia continuously variable transmission system

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Abstract

In order to solve the problem of weak power performance of vehicle equipped with continuously variable transmission (CVT) system working under transient operating conditions, a new CVT equipped with planetary gear mechanism and flywheel was researched, a design method of transmission parameter optimization was proposed, and the comprehensive matching control strategy was established for the new transmission system. Fuzzy controllers for throttle opening and CVT speed ratio were designed, and power performance and fuel economy of both vehicles respectively equipped with conventional CVT system and new transmission system wrere compared and analyzed by simulation. The results show that power performance and fuel economy of the vehicle equipped with new transmission system are better than that equipped with conventional CVT, thus the rationality of the parameter design method and control algorithm are verified.

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Authors and Affiliations

  1. State Key Laboratory of Mechanical Transmission (Chongqing University), Chongqing, 400044, China

    Jian-jun Hu  (胡建军), Yi Ji  (吉毅) & Jiu-jiang Yan  (晏玖江)

Authors
  1. Jian-jun Hu  (胡建军)
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  2. Yi Ji  (吉毅)
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  3. Jiu-jiang Yan  (晏玖江)
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Corresponding author

Correspondence to Jian-jun Hu  (胡建军).

Additional information

Foundation item: Project(2011BA3019) supported by the Chongqing Natural Science Foundation, China

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Hu, Jj., Ji, Y. & Yan, Jj. Parameter design and performance analysis of zero inertia continuously variable transmission system. J. Cent. South Univ. 22, 180–188 (2015). https://doi.org/10.1007/s11771-015-2508-8

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  • DOI: https://doi.org/10.1007/s11771-015-2508-8

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