Design of universal exhaust gas oxygen sensor controller based on dSPACE

CHEN Jia-zhen1; HUANG Yun-zhi1; ZHANG Yuan-yuan2; XU Ke-jun1; TENG Qin5; TAN Jian5

doi:10.13873/j.1000-97872010.03.031

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Design of universal exhaust gas oxygen sensor controller based on dSPACE

更新时间：2025-09-11

- Design of universal exhaust gas oxygen sensor controller based on dSPACE
- Vol. 29, Issue 3, Pages: 82-84+88(2010)
- 作者机构：
  
  1. 合肥工业大学电气与自动化工程学院
  2. 合肥工业大学仪器科学与光电工程学院
  3. 安徽大学电子科学与技术学院
  4. 工业自动化安徽省工程技术研究中心
  5. 合肥工业大学机械与汽车工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872010.03.031
  CLC： TP212
- Published：2010
- 稿件说明：
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[1]陈佳臻,黄云志,张媛媛,徐科军,滕勤,谈建.基于dSPACE的宽带型废气氧传感器控制器设计[J].传感器与微系统,2010,29(03):82-84+88.

CHEN Jia-zhen1, HUANG Yun-zhi1, ZHANG Yuan-yuan2, et al. Design of universal exhaust gas oxygen sensor controller based on dSPACE[J]. 2010, 29(3): 82-84+88.
[1]陈佳臻,黄云志,张媛媛,徐科军,滕勤,谈建.基于dSPACE的宽带型废气氧传感器控制器设计[J].传感器与微系统,2010,29(03):82-84+88. DOI： 10.13873/j.1000-97872010.03.031.

CHEN Jia-zhen1, HUANG Yun-zhi1, ZHANG Yuan-yuan2, et al. Design of universal exhaust gas oxygen sensor controller based on dSPACE[J]. 2010, 29(3): 82-84+88. DOI： 10.13873/j.1000-97872010.03.031.

摘要

宽带型废气氧（UEGO）传感器在稀燃发动机混合气空燃比控制中起着极其重要的作用

它在工作过程中的电流和温度等信号需要进行控制。研究了基于dSPACE的UEGO传感器控制器的设计

详细介绍了加热驱动、温度检测及泵电流测量等硬件电路

并利用数字PID实现泵电流的反馈控制。通过在发动机台架上实验

结果表明:设计的控制器能在较宽范围内较好地检测混合气空燃比变化。

Abstract

Universal exhaust gas oxygen（UEGO）sensor is made up of switch type EGO sensor and a pump oxygen cell.Compared with the switch type EGO sensor

UEGO sensor can measures precisely air-fuel ratio（or excessive air coefficient λ） in wide range and plays an important role in control of air-fuel ratio of lean buring engine.Due to the pumping current and temperature must be controlled

UEGO sensor is a kind of controllable sensor.This paper focuses on the design of dSPACE-based controller.The hardware of heat-driving

temperature measuring and pumping current measuring is introduced in detail.The feedback control of pumping current is implemented by digital PID.The system has been tested by engine testbed.The results show that the controller can effectively detects air-fuel ratio of the exhaust gas in wide range.

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references

宽域氧传感器接口控制单元开发 [J]. 孙伟,唐岚,甘海云. 西华大学学报(自然科学版) . 2007(04)

宽范围氧传感器控制器设计及在柴油机EGR系统中的应用 [J]. 刘瑞祥,高希彦,杨德胜. 仪表技术与传感器 . 2004(02)

Fast response air-to-fuel ratio measurements using a novel device based on a wide band lambda sensor [J] . S Regitz,N Collings. Measurement Science and Technology . 2008 (7)

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