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A Novel Algorithm to Differential Scanning Calorimeter Temperature Control Based on Liquid Nitrogen Feedforward Technique
Yu Y(郁洋)1,2,3; Hu JT(胡静涛)1,2; Jia Y(贾洋)1,2; Wei LX(魏来星)1,2; Sun W(孙威)1,2
Department数字工厂研究室
Conference Name2019 2nd International Conference on Advanced Materials, Intelligent Manufacturing and Automation, AMIMA 2019
Conference DateMay 17-19, 2019
Conference PlaceZhuhai, China
Source Publication2019 2nd International Conference on Advanced Materials, Intelligent Manufacturing and Automation - Machine Learning and Algorithms
PublisherIOP
Publication PlaceBristol, UK
2019
Pages1-8
Indexed ByEI
EI Accession number20193707413785
Contribution Rank1
ISSN1757-8981
AbstractDifferential scanning calorimeter (DSC) is an important instrument in the thermal analysis which could be pervasively applied to property analysis of inorganic compounds, organic compounds and drugs. An effective temperature control technique could ensure DSC thermal experimental accuracy. Unlike the traditional temperature control methods which have limited temperature control ranges and change rates, this paper presents a novel algorithm which exploits the liquid nitrogen feedforward technique to control the temperature of DSC. To be specific, the proposed approach fully takes advantage of the characteristic of the liquid nitrogen that has the ability to rapidly decrease the objective temperature. Furthermore, a cold-heat synergistic feedforward-feedback control is utilized. On one hand, the feedforward controller is able to avoid the singularities for the amount of liquid nitrogen. On the other hand, the feedback controller is able to compensate for the temperature errors due to external disturbances. The proposed algorithm has been applied to the DSC. The experimental results and analysis prove that the control method is able to change the temperature accurately within a wider range.
Language英语
Document Type会议论文
Identifierhttp://ir.sia.cn/handle/173321/25639
Collection数字工厂研究室
Corresponding AuthorYu Y(郁洋)
Affiliation1.Shenyang Institute of Automation Chinese Academy of Sciences, Chinese Academy of Sciences, Shenyang, LiaoNing 110016, China
2.Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang, LiaoNing 110016, China
3.University of the Chinese Academy of Sciences, Beijing 100049, China
Recommended Citation
GB/T 7714
Yu Y,Hu JT,Jia Y,et al. A Novel Algorithm to Differential Scanning Calorimeter Temperature Control Based on Liquid Nitrogen Feedforward Technique[C]. Bristol, UK:IOP,2019:1-8.
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