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Alternative TitleA Feedforward-Feedback Multiple Control Algorithm for Constant Rate Heating Process of Differential Scanning Calorimeter
郁洋1,2; 邹涛1; 魏来星1; 徐志华3; 胡静涛1
Source Publication应用基础与工程科学学报
Indexed ByEI ; CSCD
EI Accession number20200908215186
Contribution Rank1
Funding Organization国家重点研发计划-重大科学仪器设备开发资助项目( 2016YFF0101700-04)
Keyword差示扫描量热仪 恒速升温控制 前馈-反馈复合控制 多控制器


Other Abstract

The temperature control process of the differential scanning calorimeter has the characteristics of time-delay and nonlinearity and it is intractable to obtain the exact mathematic model. A feedforward-feedback multiple control algorithm is proposed to improve the control performance while considering these instrumentation features. Firstly, regarding the time-delay issue, an improved PID (proportional-integral-differential) algorithm is used for compensating the hysteresis effect on control process by adding differential and integral operators. Secondly, in order to solve the nonlinear problem, a multiple controller method is proposed to establish several approximate linear controllers, and a smoothing filter factor is added to solve the sudden change of the control variable caused by the switching process of the controller. Finally, in order to solve the long adjusting time of feedback controller, feedforward controller is added to design feedforward-feedback compound controller.The proposed control algorithm is then applied to the constant speed heating-up temperature control of differential scanning calorimeter.The experimental results show that the proposed algorithm is able to improve the control precision, reduce response time and the control effect is superior to that of the state-of-the-arts.

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Document Type期刊论文
Corresponding Author邹涛
Recommended Citation
GB/T 7714
郁洋,邹涛,魏来星,等. 差示扫描量热仪恒速升温过程的前馈-反馈复合多控制器算法[J]. 应用基础与工程科学学报,2020,28(1):223-234.
APA 郁洋,邹涛,魏来星,徐志华,&胡静涛.(2020).差示扫描量热仪恒速升温过程的前馈-反馈复合多控制器算法.应用基础与工程科学学报,28(1),223-234.
MLA 郁洋,et al."差示扫描量热仪恒速升温过程的前馈-反馈复合多控制器算法".应用基础与工程科学学报 28.1(2020):223-234.
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