FAW VW Automobile Co.

Changchun, China

FAW VW Automobile Co.

Changchun, China
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Gao Y.,Jilin University | An Z.,Jilin University | Yang K.,Jilin University | Wang T.,Jilin University | And 2 more authors.
Energy Education Science and Technology Part A: Energy Science and Research | Year: 2014

As an essential component of hybrid electric vehicle (HEV), the DC/DC converter is one of the main electromagnetic interfering sources. In order to solve the problem of electromagnetic radiation of HEV, the paper focuses on electromagnetic radiation about the mathematical model and simulation image of DC/DC converter of HEV. The radiation causes from circuit structure of the DC/DC converter are analyzed. The radiation expressions are deduced, according to the practical circuit structure and working environment, the boundary conditions are established, Simulation images are given out by computation. Through the simulation images, the electromagnetic radiation causes are researched. The modeling and simulation prediction method provides an important reference value for the electromagnetic compatibility analysis of HEV in the design phase. © Sila Science. All Rights Reserved.

Wang W.,Jilin University | Zhao D.-X.,Jilin University | Liu W.,FAW VW Automobile Co. | Yang Z.-S.,Jilin University
2011 IEEE 18th International Conference on Industrial Engineering and Engineering Management, IE and EM 2011 | Year: 2011

After the research and analyze of demand and capacity management in supply chain, the paper proposed an analysis model of MRP and supplier's capacity based on the demand data model and capacity data model to cover the limitations in current management of demand and capacity. Through the practical application of the model in enterprise, the results showed that the bottleneck of capacity can be found in advanced under the normal and maximal production capacity and the decision supports to adjust the production plan and capacity of suppliers were provided. © 2011 IEEE.

Zeng X.,Jilin University | Peng Y.,Jilin University | Song D.,Jilin University | Zheng S.,FAW VW Automobile Co. | And 2 more authors.
Advances in Mechanical Engineering | Year: 2014

Hybrid electric vehicles have excellent energy efficiency and emission performance. Power split device (PSD) is a key component that directly affects the control strategy of power systems, the economic consumption of fuel, and the dynamic performance of vehicles. A differential-based PSD was proposed in this paper. A traditional differential was taken as the prototype and a new design method is proposed to retrofit the differential into a PSD. First, a comprehensive approach that includes theoretical analysis and software simulation was used to analyze the possibility as well as the necessity of retrofitting the differential into PSD. Then the differential was retrofitted. Finally, finite element analysis and bench test were conducted. Results showed that applying the retrofitted differential as PSD is practicable. © 2014 Xiaohua Zeng et al.

Jin D.,Jilin University | Liu J.,Jilin University | Liu J.,Fudan University | Jia Z.-X.,FAW VW Automobile Co. | Liu D.-Y.,Jilin University
Moshi Shibie yu Rengong Zhineng/Pattern Recognition and Artificial Intelligence | Year: 2010

Data clustering is a hotspot in data mining area. Though there have been lots of data clustering algorithms now, the clustering accuracy of them is far from perfect. A structural similarity based network clustering algorithm (SSNCA) is proposed in this paper, which attempt to further improve the data clustering accuracy from the view of network clustering. The concrete solution scheme is that vector dataset for clustering is converted to a k-Nearest-Neigborhood network and SSNCA is used to cluster this network. Comparing SSNCA with the algorithms of c-Means and affinity propagation (AP), experimental result shows that the fitness value got by the proposed algorithm is a little worse than AP, but its clustering accuracy is obviously better than that of the other two algorithms.

Shao L.,State Key Laboratory of Structural Analysis for Industrial Equipment | Liu X.,State Key Laboratory of Structural Analysis for Industrial Equipment | Huang C.,Wuhan Polytechnic University | Guo X.,State Key Laboratory of Structural Analysis for Industrial Equipment | Hua C.,FAW VW Automobile Co.
Applied Mechanics and Materials | Year: 2011

A static triaxial apparatus was designed and manufactured after consideration of shortages in traditional methods for force and deformation measurement. Compositions, structure and functions of this apparatus were introduced. Within this apparatus, an inner force transducer together with digital image processing technology was adopted in order to provide a more accurate measurement of test results. PC functions were modular designed, in order to make the complex processing of interactive features more clearly and easier operation. Finally, results of a typical CD test of saturated sand showed the good performances of this apparatus. © (2011) Trans Tech Publications.

Tang Y.,Hunan University | Zhu W.,Hunan University | Zhu B.,FAW VW Automobile Co. | Sun P.,Xiamen University of Technology | Gan N.,Hunan University
Qiche Gongcheng/Automotive Engineering | Year: 2013

The effects of alignment parameters and Ackerman error on tire wear are quantitatively analyzed based on tire wear theory. The models for front suspension and steering systems are built with Adams/Car module, a sensibility analysis is conducted with Insight module, and the response surface functions for alignment parameters and Ackerman error are fitted by the coordinates of hard points properly selected. The corresponding constraint and objective functions are set up and the coordinates of hard points are optimized with Matlab software. The results show that the variation of wheel camber and the root mean square of Ackerman error reduce by 27.65% and 14.7% respectively, and the toe angle curve is changed to be more reasonable. All these lead to an effective reduction in tire wear.

Wang B.,Dalian University of Technology | Gao H.,Dalian University of Technology | Zhang R.,FAW VW Automobile Co. | Wen Q.,Dalian University of Technology
International Journal of Abrasive Technology | Year: 2011

During drilling of carbon/epoxy composites using grind-drilling method, the temperature of cutting area is high for the grinding mechanism of material removal. A low-temperature air cooling method was proposed and implemented. The results show that low-temperature air cooling method can effectively reduce the temperature of cutting area. The maximum temperature of cutting area is 264.9°C when there was no cooling. Using internal air cooling, the maximum temperature of cutting area is 102.6°C, and the blocking of tool surface and central hole is effectively controlled. In order to avoid the damage caused by cooling air when using internal air cooling, the flow of cooling air should be stopped when the tool tip reaches the maximum temperature position. Copyright © 2011 Inderscience Enterprises Ltd.

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