負饋系統 的英文怎麼說
中文拼音 [fùkuìxìtǒng]
負饋系統
英文
negative feeding system-
During the research of theory, developed models of power tetrode ( y841 ), and then examined the control characteristics using circuit analysis software, matlab - simulink. the analysis software tools was used to simulate the control system of high voltage power supply and yielded coincident results. by theory analysis, proved that control system design project of high voltage power supply was feasible, and provided direction for the system ' s experiment
運用matlab - simulink工具，對負高壓電源的反饋控制進行了模擬模擬，從模擬的結果來看，該控制系統能夠滿足負高壓電源的- 80kv ，約100ms脈寬， 0 . 3精度的技術要求，而實驗結果也驗證了我們的設計是完全可行的。First, it analyzes the working principle and some features of the system, such as the circulating current characteristics, power distribution characteristics, and characteristics about closed loop regulation of voltage. then it goes on to the study of some typical control methods, and designs on this basis, a parallel controller using a synchronization control strategy of racing to merging and a load - sharing strategy combined with feedback control and drooped control
文中，首先通過建立系統的數學模型，分析了逆變電源並聯運行的工作原理以及並聯系統的一些主要特性，包括它的環流特性、功率特性和電壓閉環調節特性；在此基礎上，又研究了幾種典型的並聯運行控制方式；然後，採用搶占與並發相結合的同步控制方式和反饋與下垂特性相結合的負載均分控制設計了並聯控制器。Renin secretion is controlled by at least four mechanisms that are not mutually exclusive : a renal vascular receptor responds to changes in tension in the afferent arteriolar wall ; a macula densa receptor detects changes in the delivery rate or concentration of nacl in the distal tubule ; circulating angiotensin has a negative feedback effect on renin secretion ; and the sympathetic nervous system stimulates renin secretion via the renal nerve mediated by receptors
腎素的分泌至少受四種互不排斥的機制控制：腎血管受體對向心小動脈壁張力變化的反應；緻密斑受體發現遠端腎小管內氯化鈉傳遞速率或濃度的變化；循環的血管緊張素對腎素的分泌的負反饋效應；和交感神經系統經由受體介導的腎神經刺激分泌腎素。Then pid flow rate control algorithm is introduced. all experiments made in this chapter are about measuring the valve parameters according to spool positions, single actuator flow rate control by the calculated flow rate feedback control method, free flow rate dividing control under the sufficient pump discharge flow rate situation, proportion flow rate dividing and flow rate dividing based on meter - in flow rate feedback control method under insufficient pump discharge flow rate situation. the results of all experiments proved that the method presented in this thesis is an effective way to overcome the unreasonable flow rate dividing when simultaneously operating multi - actuators with different inertia loads
第四章介紹了多執行器復合控制實驗系統和實驗方法；介紹了實驗採用的流量控制的pid演算法；並測定了執行器控制閥和閥芯位移相關的系數；做了單個執行器計算流量反饋流量控制、流量足夠情況下多執行器流量任意分配、流量不足情況下多執行器按比例調節流量分配和多執行器進油側流量反饋分流控制實驗；通過實驗說明了論文提出的分流控制方法能實現大小慣性負載復合操作時的合理分流。Negative feedback control over chaotic motions in
系統混沌行為負反饋控制Software management model based on negative feedback model
基於控制系統負反饋框圖的質量管理模型The results of the experiment show this creative ac variable frequency speed - governing experiment system can realize the load relationship of direct electromagnetic torque between the motor group, get the continuous control process easily for the reaction load and potential energy load during four quadrant, achieve the total availability of the regenerate energy at any kind of load, and the system consumed power make up under 30 % of actual load power at any kind of load
該方案研究獲得的實驗結果表明：這種具有創新特色的交流變頻調速實驗系統可實現電動機組之間直接電磁轉矩方式的負載關系，可方便地獲得電動機在反應或位能負載特性下四象限運行的連續控制過程，並實現了任意負載方式下再生能量的全部回饋利用，任意負載下系統消耗功率僅占電動機實際負載功率的30 %以下。It is necessary to study the mechanism of harmonics generation, make sure the content and distribute of harmonics current in order to alleviate their harm to traction power system ' s component, equipments of protect and measure as well as other customer ' s electronics equipments
為了從根本上抑制電力牽引負荷諧波帶來的影響，削弱諧波對牽引供電系統主元件、保護測控裝置和其他用戶電子設備的影響，有必要研究電氣化鐵道牽引諧波產生的機理，確定饋線電流諧波的含量與分佈狀況。At last this chapter researches two ways that make system performance optimal, test way and pole allocation way. the affections of feedback parameters, air pressure and load quality are analyzed. chapter 5 introduces the theory, application and foreground of the vsc ( variable structure control ) system
最後一部分研究了實現系統狀態反饋控制的方法，包括試湊法和極點配置法，並分析了各反饋參數、氣源壓力和負載質量對控制性能的影響。The actual negative feedback amplifying circuit doesn ' t form a closed - loop only from the basic amplifying circuit and the feedback network, but forms the multi - loop system ( multi - loop negative feedback circuit ) from several basic amplifying circuits and several feedback networks
摘要實際的負反饋放大電路，並非都是由基本放大電路和反饋網路構成一個閉環系統< 1 > ，還有由多個基本放大電路和多個反饋網路構成的多環系統（多環負反饋電路） < 2 > 。The aimd has got a widely apply for its briefness and ease. at the other hand, it contain limited information because it has only two status : overload or under load. it cannot represent the true demand of the receiver and at the same time the policies of window adjust destroy the demand of smoothness of load, so it cannot afford the request of real - time streaming media
Aimd從演算法的簡單性和實際網路容易實現的角度考慮，反饋給發送方的信息有限，只有過載或欠載兩種二進制狀態； aimd演算法根據瓶頸資源的擁塞狀態向所有用戶發送相同的反饋信號，並不能真實反映接收節點對發送方負載量的要求;同時， aimd的窗口調整策略破壞了負載平滑性的要求，不能滿足當前實時流媒體應用， aimd的這些不足，體現了一種性能和系統復雜度之間的折衷。In this paper we use the color auto - correlogram as the similarity metrics of images in low - level feature space, and change the bandwidth function. then we propose the semantic relevance feedback. the system react differently to the positive and negative user ' s feedback so that the system can go on learning after the annotation process by updating the probabilities of the list of attributes of the relevant images and reaching the real values
本文引入顏色自相關圖特徵作為圖像在底層特徵空間相鄰的度量，並修改了框架中帶寬的計算函數，然後引入反饋機制，對于用戶的正反饋和負反饋分別作不同的處理，以便在使用過程中，系統能夠繼續學習，根據反饋更新圖像的概率鏈表，使之逐漸接近真實情況。Then, by programming with c + +, this thesis achieved partly some application examples of remote control network system which are based on this research, including main program module which took charge of initializing system and remote waking up the console of the controlled and getting the hardware information of the controlled, directive text information setup module which took charge of transmitting text and data, command execution module which took charge of executing simple control command, real time oversight module which took charge of transmitting the real time video of the console of the controlled and feeding information back to the console in charge
之後本文利用c + +編寫程序，來實現部分基於本研究的遠程控制系統中的一些應用實例，採用了模塊化程序設計，實現了負責系統的初始化、並遠程喚醒對方控制臺、獲取對方的硬體信息等功能的主控程序模塊，完成系統文本信息、數據的傳輸功能的指令文本信息設置模塊，執行簡單的控制指令功能的控制指令執行模塊，傳輸對方控制臺即時運行畫面並將信息反饋給控制端的功能的即時監控模塊。The third, the paper analyses and expatiates three mode of speed regulating which are speed negative feedback, voltage negative feedback and voltage negative feedback plus cuttent positive feedback and designs a speed regulating control system adopting the mode of voltage negative feedback plus cuttent positive feedback. at the same time we optimize the speed regulating system using the appraisal software of the performance of wire feeder
再次，從控制論的角度對轉速負反饋、電壓負反饋、電壓負反饋配合電流正反饋等三種轉速調節方式進行了分析論述，採用電樞電壓負反饋配合電流正反饋方式設計了送絲機調速控制系統，並採用送絲機性能評估軟體對調速系統進行了優化。By analyzing and rat testing on the current negative feedback, the voltage negative feedback and the electricity - powered loudspeaker, this paper shows that the current negative feedback can decrease the distortion of the loudspeaker, makes the frequency - response plot more smooth and improves the audio quality greatly
摘要本文通過對電流負反饋和電壓負反饋兩種電路與電動式揚聲器構成的系統進行對比分析，並進行實時分析測試，證實了電流負反饋對電動式揚聲器失真能從實質上得到改善，從而使頻響曲線更加平滑，音響系統的性能明顯提高。A system design of the circulation function therapeutic instrument of brain is presented in this paper. an integrated prototype is composed of at89c55 used as system controlling module and a / d, d / a converter and liquid crystal display device used as a terminal display module to realize the output of dynamic load and permanent flow through digital synthesis
本文提出了一種設計智能腦電治療儀的系統方案，以at89c55為核心控制模塊，輔以d / a 、 a / d成為全反饋閉環系統，使用液晶顯示器為終端顯示設備，實現數字合成動態負載恆流輸出。Before the development of the system, the article describes the above - mentioned aspects, as the bases of the system development. the article emphasizes related auto - controlling technologies : open - 100p and close - 100p, and control mode of negative - feedback, the scatter and quantization of the simulate signal, the conception of a / d and d / a conversion and code / encode, the basic sampling principles of the simulate signal. the article introduces the operation method and process of the system by means of the load spectrum
文章對相關的理論進行了陳述，以作為系統開發的理論依據，重點闡述了自動控制系統中包括開環閉環在內的幾大主要控制模式，以及有關的負反饋控制方式，模擬信號的離散與量化，模數轉換、數模轉換、編碼譯碼的概念，及模擬信號采樣的基本原理? ?采樣定理，並以載荷譜法為例，簡述了所研究的系統將要採取的工作方式及工作過程。The results show that, when and 02 are in various intervals, the trajectories for systems ( i ) are either ultimately periodic or convergent to an equilibrium. the difference between system ( i ) and system ( ii ) only lies on the sign of self - feedback coefficient, but their asymptotic behavior of trajectories are much different. for the given initial value, the solutions for system ( ii ) all converge to the certain equilibrium
結果表明：當_ 1和_ 2在不同的取值范圍內，系統（ ）的解或收斂到某一平衡點，或無限逼近於某個周期解，且部分_ 1 ， _ 2下的極限環全局穩定；系統（ ）與系統（ ）的區別僅在於自反饋系數的符號為負，但由此其解軌線的極限性態發生了很大的變化，對于確定的初值，系統（ ）的解均收斂到確定的平衡點。This paper is first described backgroud and currence of gsm public phone, second is described technological requirement by ministry of information industry, third is detaiedly described the solution based on 32 - bit embedded system, subsequently is briefly described the embedded development platform - - sic33 on which the solution is based, then is detailedly described the hardward drivers, by which a test report is followed to prove the solution is viable, finally some conclusion is concluded
本論文首先說明gsm無線公話產生的背景及現狀，第二章說明根據信息產業部和市場反饋制定的詳細需求，第三章說明確定的系統總體設計方案，第四章簡要說明構建該方案所用的sic33嵌入式系統平臺，第五章詳細說明作者負責設計的硬體驅動部分，第六章給出實際產品的測試報告，最後對本論文進行總結。For a start, bonds can operate as a kind of negative - feedback system ; when yields rise, so do mortgage rates ( particularly in america, where loan rates are linked to bond yields )
首先，債券運作時類似一種負反饋系統；當債券收益率上升，抵押貸款利率也隨之上升（特別是在美國，其貸款利率與債券利率掛鉤） 。分享友人