Speed Ratio Control Study on CVT with Electrical Control and Motor as Actuator (EM-CVT)

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Abstract:

In this paper,a novel CVT with electronic control and a motor as actuator (EM-CVT) is presented, whose speed ratio can be adjusted by driving the two movable discs of the primary and secondary pulley at the same time. Firstly, the EM-CVT transmission dynamics mode was established based on the analysis of EM-CVT working principle and ratio change characteristics. Secondly, the speed ratio control strategy and control method for EM-CVT was designed according to the EM-CVT features and functional requirements of the control system; Finally, the simulation was carried out to verify the validity of the control strategy and meth

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886-890

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September 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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