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The research of controller area network on hybrid electrical vehicle

High Technology Letters 2006年第2期12卷 213-218页

作者：吴红星 Song Liwei Kou Baoquan Cheng Shukang Department of electrical Engineering Harbin Institute of Technology Harbin 150001 P.R. China

It is of increasing importance to design and implement vehicle networks for transferring information between electrical control units on hybrid electrical vehicle （HEV）. This paper presents a scheme of using Controller Area Network （CAN） technology to realize communication and datasharing between the electrical units on the HEV. The principle and communication protocol of electrical Control Units （ECU） CAN node are introduced. By considering different sensitivity of the devices to the latency of data transportation, a new design procedure is proposed for the purpose of simplifying network codes and wiring harness, reducing assembly space and weight, improving assembly efficiency, and enhancing fault-diagnose in auto networks.

关键词： CAN bus hybrid electrical vehicle vehicle management unit

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An investigation of cam-roller mechanism applied in sphere cam engine

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Journal of Central South University 2016年第4期23卷 825-833页

作者：张雷潘存云徐小军徐海军张正洲 College of Mechatronic Engineering and Automation National University of Defense Technology

As an alternative power source for hybrid electrical vehicle(HEV), electric generating system(EGS) driven by sphere cam engine(SCE) is said to own higher power density and integration. In this work, the structure and working principle of EGS were introduced, based on which the advantages of EGS were displayed. The profile of sphere cam was achieved after the desired motion of piston was given. After establishing the dynamic model of power transmission mechanism, the characteristics of cam-roller mechanism were studied. The results show that the optimal cam profile of SCE is a sinusoid curve which has two peaks and two valleys and a mean pressure angle of 47.19°. Because of the special cam shape, the trace of end surface center of piston is an eight-shape curve on a specific sphere surface. SCE running at speed of 3000 r/min can generate the power of 33.81 kW, which could satisfy the need of HEVs. However, the force between cylinder and piston skirt caused by Coriolis acceleration can reach up to 1182 N, which leads to serious wear between cylinder liner and piston skirt and may shorten the lifespan of SCE.

关键词： sphere cam engine hybrid electrical vehicle cam-roller mechanism kinetic analysis

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Electro-mechanical Braking Method in hybrid Electric vehicles Based on Feedback Control Theory

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Computer Aided Drafting,Design and Manufacturing 2014年第1期24卷 55-59页

作者： ZHANG Li YU Jun-quan LIU Zheng-yu CHANG Cheng School of Machinery and Automobile Engineering Hefei University of Technology Engineering Research Center of Safety Critical Industry Measurement and Control Technology Ministry of Education ATECH Automotive Wuhu Co. Ltd

In this paper, the hybrid electric vehicle braking process is researched, by using variables consists of HEV speed, motor speed, and state of charge established, fimctions of mechanical braking force, regenerative braking force and efficiency of energy recovery are constructed, and the control goal is to maximization the energy recovery efficiency. Under the feedback control strategy, with the constrain condition of braking strength and braking stability, combining experiments in ADVISOR, in different experiments of different working conditions, we can see that in UDDS Cycle, the regenerative braking efficiency is the best. What＇s more, compared with strategies in ADVISOR, strategy proposed in this paper is obviously better.

关键词： hybrid electrical vehicle feedback control regenerative braking efficiency ADVISOR

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