Xiumin YANG
Shenyang Institute of Engineering

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The Control System Modeling and The Mechanical Structure Analysis For EMCVT Lei ZHANG; Xiaomei CONG; Hujian Pan; Zuge CAI; Xiumin YANG
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 7: July 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

The current automotive metallic belt continuously variable transmission (CVT) mostly use hydraulic system to push the cone disc and achieve the speed ratio control. A new Electrical Mechanical Continuously Variable Transmission without hydraulic control (Electrical Mechanical CVT, EMCVT) studied in this paper, uses the rolling screw mechanism to press cone disc, achieves speed regulation through the electronic control mechanism, and abandons the energy-intensive hydraulic system. In this paper, based on the analysis of mechanical configuration, the EMCVT's transmission system and its speed regulation process, speed ratio control characteristic and the clamping force control feature are studied and modeled. Besides, the Control strategy of the transmission system driven by motor is built, so as to provide an important theoretical basis for the further building of EMVCT's control system and the selection and implementation of Control strategy. DOI: http://dx.doi.org/10.11591/telkomnika.v11i7.2935
The Electric Vehicle Power Design and The Matching Characteristics Analysis of The Transmission System Lei Zhang; Guili Hao; Xiumin Yang; Chunyang Zhou
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 11: November 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

According to the requirements of the performance parameters of chongqing lifan E520 cars, electric vehicles with pure mechanical electronically controlled continuously variable transmission (CVT) were designed and developed. The power function of traction motor was designed firstly. According to the vehicle performance and motor parameters, matching parameters of CVT were calculated and confirmed. The parameters of maximum speed, acceleration time and gradeability of CVT were analyzed and compared. The parameters of the battery pack were designed according to the acceleration capability of electric vehicles, continued driving mileage. Currently, the electric vehicles equipped with pure mechanical electronically controlled CVT have passed the bench test and loading operation. These have proved that the dynamic design and driveline matching design in this paper were correct and achieved a predetermined operating performance and power performance indicator. DOI: http://dx.doi.org/10.11591/telkomnika.v11i11.3801