The Low Frequency Of The Computer Of The Submerged Arc Furnace Control System

Low-frequency Submerged Arc Furnace is an important improvement in ferroalloysmelting.It implemend the high-powered, low- frequency power source, but not thetraditional 50HZ source to supply power for the system.This brings certain advantagessuch as improving the power factor,energy saving,low noise,etc,and it has a fairly goodeffect on its industrial applications.The Fuzzy Control is a new type of control method which lies in the foundation ofFuzzy Mathmatics. It is a kind of nonlinear control method and it has achieved somesatisfied results in those systems, which can not get their mathematic model theirmathematic models are rather rough .It has solved some problems which can no besettled by that traditiona1 contro1 method. Although the Fuzzy Control is developing andits theory needs to be continually perfected,its application in temperature control, booilerand steam engine operation control, traffic chemical production control, blastfor smelting process control and appliance control,etc,has been Proved to be verywell.Geneic Algorithm is a stochastic search algorithm that uses the natural selection andnatural genetic mechanisms,and it was put forward by American Prof.J.Holland.Its maincharacteristic is its colony searching tactics and its exchange of information betweenindividuals in colony, its searching process does not rely on the gradientinformation .Especially this algorithm is an efficient approach to deel with complicatedand nonlinear problems that are difficult to solve using traditional searching methods. Ithas wide application in combinatorial optimization, machine study, self-adaptingcontrol, planning and design, and artificated life,etc.It is one of key techniques ofintelligent control in the 21^st century. As a new type of optimizing searching method of thewhole, Genetic Algorithm has many advantages, such as simple and common use, strongRobust, suitable to parallel processing, etc.Also, if Genetic Algorithm is combined with the Fuzzy Control methodology, it wouldbe favorable to the optimization of the fuzzy reasoning rules and parameters adjustmentof the Pop System.Taking the Low-hequency Sndmempd Arc FUmat as the COthelled member,thisPaPer first introduces the frequenC conx,ersion Principles of the high-powered lowfrequsncy H source,as well as itS comPUte realiZation.Then this paPer discusses theFuny ContrO! combined with Genatic AlgOrithm,in areordance with the workingchwtstics of the fUrnace.Finally,the comPute simulations of Lhe pe are showedin this paperwhich indicate that this control strategy haS very good effects.