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 Effective Light Interference Methane Sensor Based on Three-Dimensional Optical Path Model
Long, Teng1,2; Li, En1,2; Yang, Lei1,2; Fan, Junfeng1,2; Lian, Zize1,2
Source PublicationJOURNAL OF SENSORS
ISSN1687-725X
2018
Pages11
Corresponding AuthorLi, En(en.li@ia.ac.cn)
AbstractAs an important environmental monitoring equipment, the existing methane sensors or the traditional interferometer-based methane detectors have some drawbacks, such as low accuracy, large size, and complex calibration operations. Moreover, the optical path model and analysis method for the light interference methane sensor are not practical. In this paper, an effective light interference methane sensor is proposed based on a three-dimensional optical path model with point light source. Based on this model, the interference optical system is studied to illustrate the cause of the interference fringes. Furthermore, the influencing factors of the light intensity distribution are analyzed and an adjustment method for the interference fringes is proposed, which helps to simplify the assembling and calibrating operations. In order to improve the measurement accuracy, a temperature drift compensation method which includes a mapping table, a steady-state compensator, and a dynamic compensator is proposed. The mapping table is established between the output voltages of photoelectric detector, and the methane concentration, the steady-state compensator, and the dynamic compensator are proposed to eliminate the temperature drift. Finally, an experimental device for the light interference methane sensor is constructed to validate the interference fringe adjustment method and the temperature drift compensation method.
DOI10.1155/2018/1342593
WOS KeywordGAS SENSOR
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[U1713224] ; National Key Research and Development Program of China[2017YFD0701401]
Funding OrganizationNational Natural Science Foundation of China ; National Key Research and Development Program of China
WOS Research AreaEngineering ; Instruments & Instrumentation
WOS SubjectEngineering, Electrical & Electronic ; Instruments & Instrumentation
WOS IDWOS:000439709400001
PublisherHINDAWI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/23523
Collection复杂系统管理与控制国家重点实验室_先进机器人
Corresponding AuthorLi, En
Affiliation1.Chinese Acad Sci, Inst Automat, State Key Lab Management & Control Complex Syst, 95 Zhongguancun East Rd, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
First Author AffilicationInstitute of Automation, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Automation, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Long, Teng,Li, En,Yang, Lei,et al. Analysis and Design of an Effective Light Interference Methane Sensor Based on Three-Dimensional Optical Path Model[J]. JOURNAL OF SENSORS,2018:11.
APA Long, Teng,Li, En,Yang, Lei,Fan, Junfeng,&Lian, Zize.(2018).Analysis and Design of an Effective Light Interference Methane Sensor Based on Three-Dimensional Optical Path Model.JOURNAL OF SENSORS,11.
MLA Long, Teng,et al."Analysis and Design of an Effective Light Interference Methane Sensor Based on Three-Dimensional Optical Path Model".JOURNAL OF SENSORS (2018):11.
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