Modeling and simulating of new three - phase four - wire cascade control system 新型三相四線制串級調(diào)速系統(tǒng)的建模與仿真
The concept of networked cascade control system ( nccs ) is presented and a class of nccss based on fieldbus is studied 摘要提出了網(wǎng)絡(luò)化串級控制系統(tǒng)的概念,并針對一類基于現(xiàn)場總線的網(wǎng)絡(luò)化串級控制系統(tǒng)進(jìn)行了研究。
3 ) implement cascade control system to regulate wheel speed by dsp and motor driver instead of ordinarily single closed loop system 3 )改進(jìn)了機(jī)器人輪速控制的單閉環(huán)控制系統(tǒng),通過dsp和電機(jī)驅(qū)動芯片,實(shí)現(xiàn)機(jī)器人輪速的串級控制結(jié)構(gòu),改善了控制效果。
( 2 ) assistant signals each other dispel . according to three impulse control water lever error , designing three impulse pid cascade control system 根據(jù)三沖量水位調(diào)節(jié)系統(tǒng)控制水位誤差,設(shè)計(jì)采用了三沖量pid串級控制方式,采用輔助信號蒸汽流量和給水流量對消方法消除水位偏差。
For the long time - delayed characteristic of main - steam temperature object in power plant , a mainsteam temperature cascade control system with a feed - forward controller was proposed 摘要為了解決電廠主蒸汽溫度系統(tǒng)的大遲延問題,提出了一種帶神經(jīng)網(wǎng)絡(luò)前饋控制器的主蒸汽溫度串級控制系統(tǒng)。
Moreover , its adaptability to non - linear system is not good . the cascade control system consisted of dmc and pid is provided with combinated structure . dual optimal problem of trackability 最后通過對控制系統(tǒng)的設(shè)計(jì)與仿真試驗(yàn),與單一預(yù)測控制進(jìn)行比較,證實(shí)了該方法的可行性與有效性。
Controller performance assessment algorithms based on minimum variance for single loop control system , multivariate control system and cascade control system are derived in the paper 本文利用最小方差準(zhǔn)則,給出了單變量、多變量及串級控制回路的性能評價(jià)方法,并對工業(yè)中兩個(gè)精餾塔控制系統(tǒng)的性能進(jìn)行了分析。
Grounded on cmac learning controller and cascade control system , the cascade cmac learning control strategy , characterized in good adaptabil ity , is presented , and which can be applied in computer real - time control 結(jié)合cmac學(xué)習(xí)控制器和串級控制系統(tǒng),文中后提出了主蒸汽溫度的串級cmac學(xué)習(xí)控制策略,其速度快,自適應(yīng)性強(qiáng),非常適合于計(jì)算機(jī)實(shí)時(shí)控制。
This paper deeply discusses the cascade control system and the smith - predictor system of the conventional control system , states a combination system between them in order to improve the weaken control quality of the cascade system which involve a negligible large time - delay in its inner loop 本文對常規(guī)控制理論中的串級控制和smith預(yù)估補(bǔ)償控制兩種控制方案進(jìn)行了討論,引出了利用smith預(yù)估補(bǔ)償控制特點(diǎn)來解決串級控制系統(tǒng)的副回路中存在大純滯后環(huán)節(jié)時(shí),系統(tǒng)控制品質(zhì)差的問題。
According to the characteristics of temperature control objects in heating medium and cooling system , designs the cascade control system applying the fuzzy control and feed - forward control , solves the problems of lag and variable parameter , and meets the demand of 0 . 1 t temperature control precision 針對熱媒和冷卻控制系統(tǒng)溫度控制對象的特性,結(jié)合模糊控制和前饋控制設(shè)計(jì)了串級調(diào)節(jié)控制系統(tǒng),在溫度控制中較好地解決了大滯后、變參數(shù)的問題,滿足了控溫準(zhǔn)確度0 . 1的要求。