使用PSO-FOPID控制器控制氯酸钠电池的pH值以提高能效

IF 1 4区 工程技术 Q4 CHEMISTRY, APPLIED Chemical Industry & Chemical Engineering Quarterly Pub Date : 2021-01-01 DOI:10.2298/ciceq200911031s
Sreepriya Sreekumar, Aparna Kallingal, Vinila Mundakkal Lakshmanan
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引用次数: 1

摘要

工业氯酸钠生产是一个高能耗的电化学过程。如果不控制氯酸盐电池的pH值,电流效率会从99%下降到66.66%。因此,控制氯酸槽pH值对于高效生产氯酸钠具有重要意义。本文提出了一种分数阶PID控制器来控制氯酸钠电池的pH值。采用粒子群优化方法对FOPID控制器变量进行整定。该控制器的优点是灵活,易于部署,并且由于在PSO中需要调整的参数很少,计算时间显著降低。利用稳定时间、上升时间、峰值超调等时域条件和积分平方误差(ISE)、积分绝对误差(IAE)、积分时间绝对误差(ITAE)等误差指标,研究了所提FOPID-PSO控制器的性能分析,并与传统PI控制器和PID控制器进行了比较。与传统控制器相比,采用PSO的FOPID控制器具有0.5秒的稳定时间和0.1秒的上升时间。这表明FOPID-PSO控制器具有较好的设定值跟踪能力,这对于所考虑的过程是非常重要的。
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pH control in sodium chlorate cell for energy efficiency using PSO-FOPID controller
Industrial sodium chlorate production is a highly energy-intensive electro-chemical process. If the pH of the chlorate cell is not controlled, the current efficiency drops from 99% to as low as 66.66%. Hence control of chlorate cell pH is very significant for energy-efficient sodium chlorate production. This study puts forward a fractional order PID controller for controlling the pH of the sodium chlorate cell. The tuning of FOPID controller variables is affected by employing particle swarm optimization. The highlight of the controller is that it is flexible, easy to deploy and the time of computation is significantly low as few parameters are needed to be adjusted in PSO. The performance analysis of the suggested FOPID-PSO controller was studied and compared with the traditional PI controller and PID controller using time-domain provisions like settling time, rise time and peak overshoot and error indicators like integral square error (ISE), integral absolute error (IAE), and integral time absolute error (ITAE). FOPID controller employing PSO proved to perform well compared to conventional controllers with 0.5 sec settling time and 0.1 sec rise time. This demonstrates that the FOPID-PSO controller has better setpoint tracking, which is very essential for the process under consideration.
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来源期刊
Chemical Industry & Chemical Engineering Quarterly
Chemical Industry & Chemical Engineering Quarterly CHEMISTRY, APPLIED-ENGINEERING, CHEMICAL
CiteScore
2.10
自引率
0.00%
发文量
24
审稿时长
3.3 months
期刊介绍: The Journal invites contributions to the following two main areas: • Applied Chemistry dealing with the application of basic chemical sciences to industry • Chemical Engineering dealing with the chemical and biochemical conversion of raw materials into different products as well as the design and operation of plants and equipment. The Journal welcomes contributions focused on: Chemical and Biochemical Engineering [...] Process Systems Engineering[...] Environmental Chemical and Process Engineering[...] Materials Synthesis and Processing[...] Food and Bioproducts Processing[...] Process Technology[...]
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