With the development of digital signal processors ( dsps ) , it is possible that some advanced control strategies are applied to the grid - connected pv control system 高性能的數(shù)字信號(hào)處理器芯片( dsp )的出現(xiàn),使得一些先進(jìn)的控制策略應(yīng)用于光伏并網(wǎng)的控制成為可能。
With the appearance of high - performance digital signal processor ( dsp ) chip , it is possible that some most advanced control strategies can be used to the pv grid - connected system 高性能的數(shù)字信號(hào)處理器芯片( dsp )的出現(xiàn),使得一些先進(jìn)的控制策略應(yīng)用于光伏并網(wǎng)的控制成為可能。
This would make great significance in theory and practical about the promotion and application of the technology of fieldbus and advanced control strategy in the power system especially in the power plant 這對(duì)今后現(xiàn)場(chǎng)總線及先進(jìn)控制策略在電力系統(tǒng)(特別是電廠)的推廣和應(yīng)用具有重要的理論和現(xiàn)實(shí)意義。
Also introduced are the applications of advanced control strategies , such as self - adaptation control , changing - structure control and intelligent control , to the control system of permanent magnet synchronous motor 介紹了自適應(yīng)控制、變結(jié)構(gòu)控制和智能控制等先進(jìn)控制策略在永磁同步電動(dòng)機(jī)控制系統(tǒng)中的應(yīng)用。
Consequently , the new wastewater treatment technology development and the advanced control strategy application has been an important research subject of the wastewater treatment industry in order to bring down energy consumption and let up environmental pollution 因此,開發(fā)新的污水處理工藝、應(yīng)用先進(jìn)合理的運(yùn)行控制策略以降低污水處理的能耗、減小環(huán)境污染已經(jīng)成為污水處理行業(yè)的一項(xiàng)重要的研究課題。
The technology of research include following . the computer order control to attain testing condition of relay ' s turn - on and off . to control of testing ac voltage by adoption of advance control strategy 測(cè)控技術(shù)包括:實(shí)現(xiàn)模擬繼電器接通與分?jǐn)嘭?fù)載條件的順序控制技術(shù);采用先進(jìn)控制策略的試驗(yàn)電壓控制技術(shù);試驗(yàn)參數(shù)檢測(cè)技術(shù);試驗(yàn)參數(shù)波形的實(shí)時(shí)顯示技術(shù);以dsp (數(shù)字信號(hào)處理器)為核心的試驗(yàn)數(shù)據(jù)高速采集技術(shù)。
With the combination of automatic control theory and practical thermal process automation object in the power station , three main fields including nonlinear calibration of thermal instrument , new control strategies of main steam pressure and advanced control strategies of main steam temperature are studied in detail in this paper 本文將自動(dòng)控制理論和火電廠熱工自動(dòng)化的具體對(duì)象相結(jié)合,進(jìn)行了3個(gè)方面的研究工作:熱工儀表非線性校正、主蒸汽壓力的新型調(diào)節(jié)策略、主蒸汽溫度的先進(jìn)控制策略。
Second , aiming at all kinds of errors in actual systems , the way of advaced fuzzy control combined with triditional pid control is put forward . performance and reliability of pid fuzzy control system are analyzed after the advanced control strategy is adopted . pid fuzzy control is emulated with matlab / simulink on base of control strategy theorgy . the virtues of pid fuzzy control are proved 其次,針對(duì)實(shí)際系統(tǒng)存在的各種誤差,提出將先進(jìn)的模糊控制策略和傳統(tǒng)的pid控制相結(jié)合的方法,分析了在本試驗(yàn)系統(tǒng)上采用先進(jìn)的控制策略后,系統(tǒng)的動(dòng)態(tài)性能和穩(wěn)態(tài)精度都得到進(jìn)一步的提高。論文在控制策略和控制算法的理論研究基礎(chǔ)上,用matlab / simulink軟件進(jìn)行了仿真和驗(yàn)證,得出了一些有用結(jié)論。
The application of motor has spread all kinds of fields of national economy and people ’ s daily life as the main mechanic - electronic energy conversion device for a century or more . the control strategy of motor has also taken great change . traditonal analog control have been replaced by digital control step by step . the digital control system made of modern ways , such as microprocessor , computer , fpga / cpld , dsp controller , has developed rapidly . pid control is often adopted in the digital control system of motor . but pid control has some scarcity , good control effects have been obtained difficultly in some instances . so the way of advanced control strategy combined with triditional pid control is adopted generally , such as pid fuzzy control , pid nerve control and so on 采用微處理器,通用計(jì)算機(jī), fpga / cpld , dsp控制器等現(xiàn)代手段構(gòu)成的數(shù)字控制系統(tǒng)得到了迅速發(fā)展。在電動(dòng)機(jī)的數(shù)字控制系統(tǒng)中,一般采用的是pid控制,但由于pid控制有其一定的局限性,在有些場(chǎng)合中難以獲得滿意的控制效果。因此,在一些實(shí)際工業(yè)控制過程中,常常將先進(jìn)的控制策略與常規(guī)的pid控制結(jié)合起來,如自適應(yīng)模糊pid控制、神經(jīng)元pid控制等。
By means of - - motc , larger economic benefit has been achieved , and good pfospects has been revealing . so as to improve and extend the function of motc , under the support of chinese high - tech research & development program , " the application of advanced control strategies ffi iii n m % to dcs in large - scale power plant and the development of control software package " and ningxia electrical company project , " automatic generation control of no . 3 power unit in daba power plam " , this paper aims at the optimization tuning for thermal control systems in power plant 為了完善并擴(kuò)充motc的功能,拓展應(yīng)用成果,本文結(jié)合國家“ 863 ”高科技研究發(fā)展計(jì)劃項(xiàng)目“先進(jìn)控制策略在大型火電機(jī)組dcs中的應(yīng)用及控制軟件包的開發(fā)”及“大壩電廠3號(hào)機(jī)組agc改造與實(shí)施”項(xiàng)目,以火電機(jī)組熱工過程為研究對(duì)象,以實(shí)現(xiàn)控制系統(tǒng)的優(yōu)化整定為目標(biāo),力圖對(duì)解決pid控制器參數(shù)的整定這一難題進(jìn)行一些探索工作。