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汽车安全与节能学报

汽车安全与节能学报 ›› 2011, Vol. 2 ›› Issue (4): 345-350.DOI: 10.3969/j.issn.1674-8484.2011.04.009

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用于电气变速器双轴速差的直接测量方法

崔淑梅、黄文祥、匡 志、程 远、宋立伟   

  1. 哈尔滨工业大学 电气工程系，哈尔滨 150080，中国
  • 收稿日期:2011-04-28 出版日期:2011-12-26 发布日期:2011-12-26
  • 作者简介: 崔淑梅（1964—），女（汉），黑龙江，教授。E-mail ：cuism@hit.edu.cn
  • 基金资助:

    国家自然科学基金项目（50577010）

Direct Measuring Method for Dual Shafts’ Speed Difference of Electrical Variable Transmission

CUI Shumei, HUANG Wenxiang, KUANG Zhi, CHENG Yuan, SONG Liwei   

  1. Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150080, China
  • Received:2011-04-28 Online:2011-12-26 Published:2011-12-26
  • About author:CUI Shumei（1964—），女（汉），黑龙江，教授。E-mail ：cuism@hit.edu.cn
  • Supported by:

    国家自然科学基金项目（50577010）

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摘要：

一种用于混合动力电动汽车(HEV) 传动系中的具有新型双转子结构的电气变速器(EVT) 被
提出，为实现对其内电机的矢量控制，必须实时检测该双转子电机两转轴的速度差。本文给出一种
基于凸极式外转子结构的变磁阻式(VR) 旋转变压器配合环形变压器的测量直接方法，并研制了基于
AD2S1200 的轴角变换电路(RDC)，用于系统控制。该方法避免了用两个传感器分别测量双轴转速后再
求差带来的时滞与误差积累等缺陷，理论分析、仿真与实验结果证明该方法可以用于EVT 调速系统。

关键词:  混合动力电动汽车(HEV) , 电气变速器(EVT) , 速度差, 变磁阻式(VR) 旋转变压器, 环形变压器

Abstract:

An electric machine type with a dual-rotor structure called electrical variable transmission (EVT)
was proposed in hybrid electric vehicle (HEV) transmission application, whose speed difference of dual shafts is
detected in real time for its inner motor vector control. A detection method was developed based on salient outer
rotor variable reluctance (VR) resolver work with ring transformer, with the resolver-to-digital converter (RDC)
board based on AD2S1200 being built for the control system. The method can avoid defects such as signal
delay and error accumulation caused by traditional methods, which use two sensors to detect the dual shafts’
speeds and solve the difference thereafter. The results show that the method can be used in EVT’s speed
control systems.

Key words: hybrid electric vehicle (HEV), electrical variable transmission (EVT), speed difference, variable reluctance (VR) resolver, ring transformer

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