時變反饋 的英文怎麼說
中文拼音 [shíbiànfǎnkuì]
時變反饋
英文
time varying feedback-
Aiming at the non - linear links such as time lag, inertia, dead time and saturation within the turbine regulating system, a fuzzy - immune - pid control system was designed based on a mutative scale chaos optimization method, the principium of immune feedback system and the theory of fuzzy control
摘要針對汽輪機調速系統中存在的時滯、慣性、死區和飽和等非線性環節,採用模糊控制理論,結合免疫反饋機理,設計了基於變尺度混沌優化策略的模糊免疫pid控制系統。Secondly, we introduce the theory that flat systems, an important subclass of nonlinear systems introduced via differential algebraic methods, are defined in a infinite dimensional differential geometrical framework. utilizing this method, the control system of the vtol aircraft becomes a linear control system. finally, we introduce the theory that is found by my teacher, wanghong professor
3 、應用平坦性分析方法和整體微分幾何方法分別分析了pvtol飛機在其起飛過程時的控制律,得到了該系統的整體化方程,指出了該系統是能控能觀的,並且指出該系統是平坦的控制系統,可以通過動態狀態反饋和適當的坐標變換使之變成線性系統。The full - bridge converter was controlled with the pid strategy based on the feedback of voltage output
電源的全橋功率變換器採用基於電壓瞬時值反饋的數字pid控制。Based on output voltage and capacitor - current feedback current spwm control, the inverter is modeled and the prototype is made
並對採用輸出電壓和電容電流瞬時值反饋的電流spwm控制技術逆變器建立了模擬模型,製作了原理樣機。The delay - dependent state - feedaback control for linear time - delay system
線性時不變時滯系統與時滯相關的狀態反饋控制At the same time, considering slow - varying character of fire signal, feedback cybernetic thought and holding time of fire signal is introduced into fire detecting three - layer structure realizing method in this paper. thus better reaches the aim of early warning and reducing mis - warning
同時又考慮了火災信號的漸變特性,將控制論的反饋思想和火災信號持續時間也引入到火災探測演算法上,更好地達到了提早報警和降低誤報警的目的。The system is based on the inner pid regulate function of frequency converter to regulate the living water stress with low constant stress, and the stress signal is sensed by the stress translator as feedback signal and the construction is sent by the computer as the given signal. the water stress is regulated to high constant stress when the fire happens
本論文基於變頻器內置pid調節系統,以管網的壓力變送器壓力信號作為反饋信號,由上位機發出的當前狀態作為給定輸出,調節生活供水壓力使其保持低恆壓狀態;當火災發生時,調節系統管網壓力為高恆壓狀態。The dual - loop control method adapted to current source is proposed - outer loop is the feedback of averaged load current and inner loop is that of inductor current
逆變電路採用了適用於穩流輸出的雙環控制方式:外環負載電流平均值反饋,內環電感電流瞬時值反饋。Different power circuits and control strategy of the single phase inverter in parallel condition are first analyzed, and half - bridge inverter is selected as the power circuit and current hysteresis control is selected as the control strategy
本文首先對單相逆變器的主電路結構和控制電路的結構在並聯條件下進行了比較分析,最後選用了半橋結構的主電路和內環為滯環控制的瞬時電壓電流雙閉環反饋控制方式。Its concrete method is : firstly, precondition the program code. secondly, collect information which will be put use to simulate. lastly, make use of the information collected to simulate to compute, and associate with the controlled object ’ s program module to carry out the multi - cyclical closed - loop simulation
它的實現過程是:先對控制計算程序代碼進行預處理,接著提取程序代碼的結構信息和變量信息,最後利用提取的信息模擬代碼做控制計算,並調用受控對象程序模塊,得到反饋信號變量的實時值,實現多周期閉環的控制計算模擬。Moreover, with the method of emerging hopf bifurcation of the system, the analytic conditions that the low - dimension continuous autonomous chaotic systems controlled by the project are given in theory. applying the conclusions we got to the practical systems, the method is shown by the theoretical description and numerical calculation that it is effective
其次,從實際應用出發,提出了一種增強型的延遲變量反饋控制方案,同樣利用分析延遲系統產生hopf分支條件的方法,也給出了當用這種方案控制低維連續自治混沌系統時,在達到控制目標的條件下,控制參數間的一般解析關系。The topologies family include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits. taking full - bridge mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy of the converter are investigated. the output characteristic curve, the design for the key circuit parameters and the reference sinusoidal circuit which is synchronous with the signal of n or 1 / n times line voltage frequency are given
該電路拓撲族包括單四象限功率開關式、推挽式、半橋式、全橋式電路,以全橋式電路為例分析研究了這類換器工作模式、穩態原理與電壓瞬時值反饋控制策略,給出了變換器的外特性曲線、關鍵電路參數、與電網電壓n倍頻或n分頻信號同步的基準正弦電路的設計。A measurable internal variable signal was feedbacked to compensate flow, so that the loading system tracked position system without delay
通過對可測量的內部變量反饋,補償了活塞運動時流量的變化,使加載系統的跟蹤沒有滯后。Two single - stage pfc converters with the negative feedback of engergy - storage capacotor voltage by transformer windings are analyzed. the two converters have similar performances, and they can be translated each other, which verified the translation rule. the analysis and simulation show that with the negative feedback of energy - storage capacitor voltage by transformer winding have good performances
通過對兩種採用變壓器繞組實現負反饋的單級pfc變換器研究,結果顯示出它們的相近性,驗證了兩端模式和三端模式的轉換規則,同時也說明採用變壓器繞組實現負反饋的方式對抑制電容電壓有很好的效果,並對其進行了優化設計。Our work elucidates the formation of the feedback inhibition site. point mutations reveal that amino acid replacements at phel44, leul75, leul79, phe209 and val221 partially or completely relieve the feedback inhibition of arog addressed by 1 mm phenylalanine. combined with the 3d structure of arog, our results demonstrate that the feedback inhibition site consists of asp6, asp7, ile10, ile13, pro150, gln151, leul75, leu179, serl80, phe209, ser211and val221
實驗結果表明:在1mm苯丙氨酸的存在下, 1 )野生型arog受到90以上的反饋抑制; 2 ) pro150leu , leu179ala , phe209ala和val221ala這四種點突變在保持與野生型arog相近的比活的同時,解除了80 100的反饋抑制; 3 )點突變phe144ala僅解除反饋抑制約30 ,同時保持與野生型相當的比活; 4 )突變體leu175ala僅能夠解除18的反饋抑制, leul75gln能夠解除44的反饋抑制, leu175asp解除了84的反饋抑制,並且比活都比野生型高。The pid control of output voltage feedback is easy to give attention to static and dynamic performance of the control system. output performance of inverter of ups is improved when rms of output voltage feedback is added to pid control system. the hardware and software is designed in order to achieve the digital pid control of inverter of ups
設計了用於逆變器數字化控制的采樣調理電路,結合tms320f240的硬體資源,通過軟體實現了ups系統的緩起動和市電跟蹤,並改進了逆變器電壓瞬時值控制,通過引入輸出電流中心值檢測,對反饋電壓進行補償,解決了逆變器輸出的偏磁問題。The outer - loop adopting the voltage effective value feedback regulates voltage output and reduces the steady error of output voltage. the inner - loop control is inductance current feedback, which implements the stabilization of system, and limits the inductor current
外環採用電壓有效值反饋,調節輸出電壓,內環採用電感電流瞬時值反饋,提高系統動靜態特性,並對採用該方案的級聯逆變器進行了全面分析。Taking single four - quadrant power switch mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy, the auxiliary switching power supply and parallel technology of this kind of converters are investigated. the output characteristic curve and the design for the key circuit parameters are given
以單四象限功率開關式電路拓撲為例,分析研究了這類變換器工作模式、穩態原理與電壓瞬時值反饋控制策略,給出了變換器的外特性曲線、關鍵電路參數、機內輔助開關電源的設計,對電流源高頻交流環節ac ac變換器並聯擴容技術進行了研究。Taking single four - quadrant power switch mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy of current mode ac - ac mode ac / ac converters with high frequency link are investigated. the output characteristic curve and the design for the key circuit parameters are given
以單四象限功率開關式拓撲為例,分析研究了電流源交?交型高頻環節ac ac變換器的工作模式、穩態原理與電壓瞬時值反饋控制策略,給出了變換器的關鍵電路參數的設計準則和變換器的外特性曲線。This paper contrasts performance of current controlled two - state modulation inverter with one based on voltage mean value and instantaneous value feedback by simulation
在此基礎上,對電流控制兩態調制逆變器和電壓平均值電壓瞬時值反饋的spwm逆變器的性能進行了模擬對比。分享友人