BCD-10 ANALYSIS OF RUBBER BELT CVT WITH MECHANICAL ACTUATORS(BELT AND CHAIN DRIVES)

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概要

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• In this paper, thrust equations for a rubber belt CVT are derived by considering the geometry and mechanism of the mechanical actuators. In order to solve the thrust equations, an algorithm to calculate the speed ratio is suggested for the given driver speed and load torque based on the actuator characteristic equations and existing formula for the belt thrust forces. Experiments are performed to investigate the driver speed-load torque-speed ratio characteristics at a steady state. The speed and torque efficiencies are measured and are used to modify the actuator equations. It is found that the modified equations predict well the steady state characteristics. In addition, a rubber belt CVT shift dynamic model is derived experimentally. Simulation results of the CVT shift dynamics are in good accordance with the experiments and it is noted that different coefficient is required to describe the CVT shift dynamics for the upshift and the downshift.

• 2001-11-15

著者

• KIM Hyunsuk

  Auto Transmission Engineering Team of Research & Development Division, Hyundai Motor Company & Kia M

• LEE Heera

  School of Mechanical Engineering, Sungkyunkwan University

• SONG Hanlim

  Dept. of Computer Aided Mechanical Design, Ansan College of Technology

• KIM Hyunsoo

  School of Mechanical Engineering, Sungkyunkwan University

• Lee Heera

  School Of Mechanical Engineering Sungkyunkwan University

• Song Hanlim

  Dept. Of Computer Aided Mechanical Design Ansan College Of Technology

• Kim Hyunsoo

  School Of Mechanical Engineering Sungkyunkwan University

• Kim Hyunsuk

  Auto Transmission Engineering Team Of Research & Development Division Hyundai Motor Company &

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