锅炉温度串接多容小惯性全补偿前馈控制.pdfVIP

V ol . 39 N o. 6 杨 平, 忻文杰 上海电力学院电力与自动化工程学院, 上海 200090 [ ] 提出了电站锅炉蒸汽温度控制系统采用串接多 小惯性环节方式实现全补偿前馈控制 的设计方案仿真结果表明, 前馈控制效果及其鲁棒性与串接多 小惯性时间常数有 关; 多 小惯性环节的分母多项式阶数应等于分子多项式阶数串接多 小惯性全补 偿前馈控制方法克服了全补偿前馈控制器的可实现性问题 [ ] 电站锅炉; 蒸汽温度; 串接小惯性; 全补偿; 前馈; 控制 [ ] T P13 [ ] A [ ] 1002- 3364( 2010) 06- 0041- 03 [DOI ] 10. 3969/ j. issn. 1002- 3364. 20 10. 06. 04 1 THE FULL- SCALE COMPENSATION FEED- FORWARD CONTROL WITH SERIALLY CONNECTED MULTI- CAPACITANCE AND SMALL INERTIA LINK FOR STEAM TEMPERATURE OF BOILERS YANG Ping, X N W enj ie School of El ect ric Pow er an d Aut omat ion E ngineering, S hang hai Elect ric Pow er College, Sh angh ai 200090, PR C Abstract: A design schem e of bo iler st eam t emperature contr ol sy st em adopt ing ser ially connect ed multi - capacit ance and small inert ia link mode t o realize t he f ull- scale com pensat io n f eed- f orw ard control has been put fo rw ar d. Result of em ulat ion show s that t he eff ect iveness and robust ness of t he feed- for w ard contr ol is relat ed t o the t ime co nst ant of serially co nnect ed mult i- capacit ance and sm all iner t ia link, t he steps of multinomial ex pression f or t he denominat o r of said link should be g reat er t han that of t he num er at or. T he f ull scale f eed- fo rw ar d control method w it h serially co nnect ed m ult i- ca pacit ance and sm all inert ia link o ver com es t he realizability pro blem of t he f ull- scale compensat ion feed - f orw ard co ntroller. Key w rds: ut ility boiler; st eam t em peratur e; serially co nnect ed small inert ia link; full- scale compensa t ion; f eed- f orw ard; control , , , : ( 1954- ) , , ,