Analytical model for the power losses in rubber V-belt continuously variable transmission (CVT)

Bertini, Leonardo; Carmignani, Luca; Frendo, Francesco

doi:10.1016/j.mechmachtheory.2014.03.016

Cited by 57 publications

(24 citation statements)

References 12 publications

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“…The belt variable transmission is the most frequently employed continuously transmission technology that allows the continuous variability between the low‐speed shaft and high‐speed shaft with no discrete shifts or multiratio gears. The basic configuration of CVSWT with this transmission comprises 2 variable‐diameter pulleys kept at a specific central distance and connected by a multilayered flexible belt . The driving pulley can be commonly coupled to the wind turbine rotor or the low speed shaft, while the driven pulley can be directly connected to the high speed shaft and generator.…”

Section: Continuously Variable Speed Wind Turbines With Mechanical Vamentioning

confidence: 99%

An up to date review of continuously variable speed wind turbines with mechatronic variable transmissions

Yin

2017

Int J Energy Res

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Summary As a promising and potential alternative to conventional fixed or variable speed wind turbines, continuously variable speed wind turbines (CVSWTs) with variable transmissions offer improved power efficiency and enhanced power control capabilities. The CVSWTs can be generally achieved by adapting mechatronic variable transmissions in the turbine drive train for continuously variable speed operations for wind turbines. Therefore, this paper serves to provide an up to date and exhaustive review of the CVSWTs with mechatronic variable transmissions such as mechanical variable transmission, electrical variable transmission, and power splitting transmission. In this paper, the analysis of CVSWTs with different mechatronic transmission topologies is performed regarding basic configurations, dynamic characteristics, control principles, and experimental or simulation results. Review results indicate the feasibility of applying CVSWTs with such mechatronic transmissions and highlight superiorities of the CVSWTs with power splitting transmission. The CVSWT with power splitting transmission will be particularly suitable for megawatt‐scale turbine systems and will hence increase the economic competitiveness of these turbines due to its large power capacity and high reliability. The directions or challenges for future investigations of CVSWTs with such mechatronic transmissions are also presented to foster in‐depth understanding of such CVSWTs and their control strategies.

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Section: Continuously Variable Speed Wind Turbines With Mechanical Vamentioning

confidence: 99%

An up to date review of continuously variable speed wind turbines with mechatronic variable transmissions

Yin

2017

Int J Energy Res

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“…A vehicle equipped with CVT offers smooth vehicle acceleration without gear shift shock and good fuel efficiency [1][2][3][4][5][6]. Commonly, CVT used in the market is an electro-hydraulically actuated type [7][8][9][10][11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Design and Simulation of a New Single Actuator Double Acting Electro-Mechanical Continuously Variable Transmission

Nuri¹,

Hudha²,

Mazlan³

2018

IJMERR

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This paper presents a new design of an electromechanical Continuously Variable Transmission (CVT) by using dual acting pulley at driver and driver sides with single actuator to vary the belt radius. Several conceptual designs on pulley geometry and its working mechanism were proposed and evaluated. The best evaluation design was selected and a prototype of the CVT system, namely single actuator double acting electro-mechanical (SADAEM) CVT system was built. All the mathematical equations will be derived in this paper and the modelling was developed using MATLAB Simulink software. The performance of the SADAEM CVT system was evaluated in term of belt radius and CVT ratio tracking by using proportional−integral−derivative (PID) controller. The results obtained by the simulation showed that the response trends were similar with an acceptable error. 

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“…The power transmission lost at belt end is due to bending, compression, and shearing of the belt due to friction, belt hysteresis, belt disengagement, engagement losses [4]. Lolli Sergio et al The heat generated in CVT is dissipated through CVT liquid in high-end automobiles.…”

Section: Introductionmentioning

confidence: 99%

Steady State Thermal Analysis of Continuous Variable Transmission with Extended Surfaces

al.¹

2018

IJMPERD

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Analytical model for the power losses in rubber V-belt continuously variable transmission (CVT)

Cited by 57 publications

References 12 publications

An up to date review of continuously variable speed wind turbines with mechatronic variable transmissions

An up to date review of continuously variable speed wind turbines with mechatronic variable transmissions

Design and Simulation of a New Single Actuator Double Acting Electro-Mechanical Continuously Variable Transmission

Steady State Thermal Analysis of Continuous Variable Transmission with Extended Surfaces

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