基于专家模糊PID控制的生物炭炭化炉的研究
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摘要
加热炉的特性参数由于受负荷或干扰因素的影响,具有时变性、大滞后、大惯性及一定非线性的特点。生物炭作为一种新型土壤改良剂与全球温室效应缓解良药吸引了各国研究人员的兴趣,其制取设备—生物炭炭化炉是一种特殊的加热炉,它不仅要求精准控温避免超调,还要求可控升温速率,这对于该炉的设计提出了不小的挑战。为此,应用专家模糊PID控制系统实现了生物炭的精确制备,并在Mat Lab/Simulink仿真的基础上,验证了该设计满足生物炭炭化高精度、无超调的要求。
The characteristic parameter of the heating furnace is influenced by the load or the interference,which has the features of time varying,large delay,large inertia,and certain nonlinearity. Biochar as a new soil amendment and the effective medicine for the mitigation of global greenhouse effect has attracted the interest of researchers all over the world,and the carbonization furnace for producing biochar is a special kind of heating furnace,which not only requires the precise temperature control to avoid overshoot,but also need to control the heating rate that is difficult challenge of the design of the furnace. In this paper,the expert-fuzzy PID controllor is adopted to achieve the precise preparation of biochar. And basing on the Matlab / simulink,it is verified that this kind of expert- fuzzy PID controller is meeting to requirements of the high accuracy and no overshoot for producing biochar.
The characteristic parameter of the heating furnace is influenced by the load or the interference,which has the features of time varying,large delay,large inertia,and certain nonlinearity. Biochar as a new soil amendment and the effective medicine for the mitigation of global greenhouse effect has attracted the interest of researchers all over the world,and the carbonization furnace for producing biochar is a special kind of heating furnace,which not only requires the precise temperature control to avoid overshoot,but also need to control the heating rate that is difficult challenge of the design of the furnace. In this paper,the expert-fuzzy PID controllor is adopted to achieve the precise preparation of biochar. And basing on the Matlab / simulink,it is verified that this kind of expert- fuzzy PID controller is meeting to requirements of the high accuracy and no overshoot for producing biochar.
引文
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[8]王伟,张晶涛,柴天佑.PID参数先进整定方法综述[J].自动化学报,2000(3):47-50.
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[2]刘金琨.先进PID控制Matlab仿真[M].北京:电子工业出版社,2011:270-297.
[3]Harder B.Smoldered-Earth Policy:Created by Ancient Amazonian Natives,Fertile,Dark Soils Retain Abundant Carbon[J].Science News,2006,169:133-143.
[4]Lehmann J.A Handful of Carbon[J].Nature,2007,447:143-144.
[5]陈森.生物质热解特性及热解动力学研究[D].南京:南京理工大学,2005.
[6]V.A.Oliveira,L.V.Cossi,M.C.M.Terxeira.Synthesis of PID controllers for a class of time delay systems[J].Automatica,2009,45(7):1778-1782.
[7]K.S.Tang,K.F.Man,G.Chen,S.Kwong.An Optimal Fuzzy PID Controller[J].IEEE Transactions on Industrial Electronics,2001,48(4):1104-1110.
[8]王伟,张晶涛,柴天佑.PID参数先进整定方法综述[J].自动化学报,2000(3):47-50.
[9]G.J.Silva,A.Datta,S.P.Bhattacharyya.Structure and Synthesis of PID Controllers[M].London:Springer-Verlag Press,2000.
[10]张兴权.热解炭化炉:中国,CN200620028222.5[P].2006-01-26.
[11]周永宏.秸秆炭化炉:中国,CN200830026230.0[P].2008-04-11.