Development and Test of On-Line Spectroscopic System Based on Thermostatic Control Using STM32 Single-Chip Microcomputer

doi:10.3964/j.issn.1000-0593(2023)09-2734-06

	Development and Test of On-Line Spectroscopic System Based on Thermostatic Control Using STM32 Single-Chip Microcomputer
	Huang Chao 5,6; Zhao Yu-hong 6; Zhang Hong-ming 5; Lu Bo 4,5; Yin Xiang-hui 5,6; Shen Yong-cai 2,3; Fu Jia ; Li Jian-kang 1
刊名	SPECTROSCOPY AND SPECTRAL ANALYSIS
	2023-09-01
卷号	43
关键词	On-line spectroscopic system STM32 single-chip microcomputer Proportional-integral-differential (PID) control Pctra data acquisition
ISSN号	1000-0593
DOI	10.3964/j.issn.1000-0593(2023)09-2734-06
通讯作者	Zhang Hong-ming(hmzhang@ipp.ac.cn)
英文摘要	Near-Infrared (NIR, wavelength range: 780 similar to 2 500 nm) on-line spectral analysis technique has the advantages of miniaturization, rapid detection, and stable and reliable results. Therefore, this technique is widely used in the field of industrial detection. Because the spectroscopic system is significantly affected by ambient temperature, the detector is always cooled in traditional on-line spectroscopic systems. However, measurement errors, such as wavelength drift, are still generated from the optical components when temperature changes. In addition, PCs are always used for system control and spectra acquisition, which significantly increase system instability. In order to solve these problems, this paper proposes an on-line thermostatic control spectroscopic system based on an STM32 single-chip microcomputer. Firstly, STM32 single-chip microcomputer is used to control the near-infrared spectroscopy for spectra data acquisition, configuration setting, preprocessing of the spectral data, and calculation of the physical and chemical parameters of the sample. Secondly, a constant temperature control system has been developed based onthe STM32 single-chip microcomputer, in which the proportional-integral-differential (PID) control algorithm is used. The closed-loop thermostatic control has been realized for the whole spectrometer, including the optical and the circuit part. At last, an industrial communication interface including Modbus protocol communication and 4 similar to 20 mA current signal communication has also been developed based on the STM32 single-chip microcomputer. The system test results show that the whole system can be operated stably without PC for a long time. The measure errors originating from the changing of ambient temperature also reduce obviously. During a test of 48-hour system operation, the temperature of the spectrometer is controlled stably at around (5 +/- 0.25) degrees C. A much smaller relative standard deviation of absorption spectra is obtained when the thermostatic control is applied. The system integrates spectra acquisition, pretreatment, calculation of physical and chemical parameters, industrial communication and thermostatic control, which can satisfy the requirements of industrial on-line detection.
WOS研究方向	Spectroscopy
语种	英语
出版者	OFFICE SPECTROSCOPY & SPECTRAL ANALYSIS
WOS记录号	WOS:001064031800013
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/133493]
专题	中国科学院合肥物质科学研究院
通讯作者	Zhang Hong-ming
作者单位	1.Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China 2.Hefei Comprehens Natl Sci Ctr, Inst Energy, Hefei 230031, Peoples R China 3.Hefei Normal Univ, Sch Phys & Mat Engn, Hefei 230601, Peoples R China 4.Univ Sci & Technol China, Sci Isl Branch Grad Sch, Hefei 230031, Peoples R China 5.Chinese Acad Sci, Inst Plasma Phys, HFIPS, Hefei 230031, Peoples R China 6.Univ South China, Sch Elect Engn, Hengyang 421001, Peoples R China
推荐引用方式 GB/T 7714	Huang Chao,Zhao Yu-hong,Zhang Hong-ming,et al. Development and Test of On-Line Spectroscopic System Based on Thermostatic Control Using STM32 Single-Chip Microcomputer[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2023,43.
APA	Huang Chao.,Zhao Yu-hong.,Zhang Hong-ming.,Lu Bo.,Yin Xiang-hui.,...&Li Jian-kang.(2023).Development and Test of On-Line Spectroscopic System Based on Thermostatic Control Using STM32 Single-Chip Microcomputer.SPECTROSCOPY AND SPECTRAL ANALYSIS,43.
MLA	Huang Chao,et al."Development and Test of On-Line Spectroscopic System Based on Thermostatic Control Using STM32 Single-Chip Microcomputer".SPECTROSCOPY AND SPECTRAL ANALYSIS 43(2023).