CASIA OpenIR  > 复杂系统管理与控制国家重点实验室  > 先进机器人
Analysis and Design of an Improved Light Interference Methane Sensor
Hao Lin; Zize Liang; En Li; Mingbo Yang; Bo Zhai
2014-06
Conference Name2014 11th IEEE International Conference on Control & Automation (ICCA)
Source PublicationProcessing of 11th IEEE International Conference on Control & Automation
Conference Date2014-6
Conference PlaceTaichung, Taiwan
Abstract
The light interference methane sensor has many advantages except inconvenient reading and no communication with monitoring system. To improve it, many systems have been
reported, but which are too big in size to use in practice. In this paper, we analyzed the reason for the big size and proposed two optical configurations to reduce the system size. Based on the one-to-one relationship between the output of the photosensitive element and the methane volume fraction, we redesigned two types of chambers taking up most room of the optical configuration. The one with the rectangular cross section was only for measuring the low methane volume fraction, and the other one with the trapezoid cross section for both low and high methane volume fraction. The feasibility of the design method is verified by the simulation. We showed the manufactured optical configuration compared to the original, and the new designed optical configuration is less than half size of the original. The experiments showed that the maximum measuring error of the
calibrated sensor with the designed optical configuration was ±0.01%.
Other Abstract本文针对传统光干涉式瓦斯传感器气室体积大的问题,设计一种梯形气室,在这种气室作用下,传感器即可测量低浓度瓦斯气体,同时能够实现高浓度瓦斯的高精度测量。
KeywordLight Interference Methane Sensor
Indexed ByEI
Language英语
Document Type会议论文
Identifierhttp://ir.ia.ac.cn/handle/173211/11795
Collection复杂系统管理与控制国家重点实验室_先进机器人
Corresponding AuthorHao Lin
Affiliation中国科学院自动化研究所
Recommended Citation
GB/T 7714
Hao Lin,Zize Liang,En Li,et al. Analysis and Design of an Improved Light Interference Methane Sensor[C],2014.
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