NO<sub>x</sub> sensor special controller based on reference current control method

ZHOU Kun; CHEN Huan-bo; ZOU Jie; JIAN Jia-wen; XIE Jian-jun

doi:10.13873/j.1000-9787(2019)02-0087-04

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NO_x sensor special controller based on reference current control method

更新时间：2025-09-11

- NO_x sensor special controller based on reference current control method
- Issue 2, Pages: 87-90(2019)
- 作者机构：
  
  宁波大学信息科学与工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-9787(2019)02-0087-04
  CLC： TP212
- Published：2019
- 稿件说明：
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ZHOU Kun, CHEN Huan-bo, ZOU Jie, et al. NO_x sensor special controller based on reference current control method[J]. 2019, (2): 87-90.
DOI：

ZHOU Kun, CHEN Huan-bo, ZOU Jie, et al. NO_x sensor special controller based on reference current control method[J]. 2019, (2): 87-90. DOI： 10.13873/j.1000-9787(2019)02-0087-04.

摘要

根据NO

传感器探头的特性

采用通用元件设计硬件控制电路

以STM32F103作为控制算法的实现平台

设计了基于参考电流控制法的NO

传感器专用控制器。测试结果表明:设计的专用控制器可用在范围为（100～1 000）×10

-6

的NO

气体浓度下精确测量

测量误差控制在4. 2%以内

与传统恒压控制法相比提高了测量精度。

Abstract

According to the characteristics of the NO

sensor probe

the hardware control circuit is designed by using common components

and the STM32F103 is used as implementation platform of control algorithm. The design of the NO

sensor special controller based on the reference current control method is developed. The test results show that the designed special controller can accurately measure NO

gas concentration in range of（100～1 000） × 10

-6

and the measurement error is controlled within 4. 2 %

which improves the measurement precision compared with the traditional constant voltage control method.

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Related Institution

National Key Laboratory of Science and Technology on Micro/Nano Fabrication,Shanghai Key Laboratory of Navigation and Location-based Services,Department of Micro/Nano Electronics,School of Electronic Information and Electrical Engineering,Shanghai Jiao Tong University

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School of Electrical and Automation Engineering, Hefei University of Technology

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School of Instrument Science and Photoelectric Engineering,Hefei University of Technology

⁰

NOx sensor special controller based on reference current control method

DOI：10.13873/j.1000-9787(2019)02-0087-04

摘要

Abstract

关键词

Keywords

references

NO_x sensor special controller based on reference current control method