時變控制 的英文怎麼說

中文拼音 [shíbiànkòngzhì]
時變控制 英文
time variable control
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 控 : 動詞1 （告發;控告） accuse; charge 2 （控制） control; dominate 3 （使容器口兒朝下 讓裏面的液體慢...
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  1. 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。
  2. Epigenetic alterations in cell - type - specific gene expression control the transition of neural stem cells ( nscs ) from predominantly neurogenic to predominantly gliogenic phases of differentiation, but how this switch occurs is unclear

    細胞類型特異的基因表達之表觀遺傳學改變控制著神經幹細胞由神經元發生為主向膠質細胞發生為主的轉變，但是這一時相的切換機制還不清楚。
  3. Linear time - varying control system

    線性時變控制系統
  4. Firstly, the situation about instantaneous control invert technique is generally introduced in this paper

    本文首先對瞬時值控制逆變技術狀況進行了概述。
  5. A cascade asi experimental prototype with instantaneous control strategy is accomplished. all the guide lines attain the expected request in the all - sided tests

    製作了一臺瞬時值控制的級聯型航空靜止變流器，進行了系統的電氣性能測試，各項指標都達到預期性能。
  6. Similarly, when using the sqlclient provider, errors cause the sqlexception exception to be thrown ; messages do not alter control flow and can be intercepted by application code by registering a callback for the infomessage event handler

    同樣，使用sqlclient提供程序時，錯誤將導致引發sqlexception異常；消息不會改變控制流，而且可由應用程序代碼通過注冊infomessage事件處理程序的回調來截獲。
  7. In the article has simulation weighing system with tdn - ac / acs system and calculate its theory value and compare to the value of identified, then has the mass magnitude size. on the other hand in the article utilize a controlling method. and it controlls the hardware, then it can improve the dynamic weighing system performance and minish the error of the dynamic system

    由於控制對稱量精度影響同樣很重要，所以本文還運用了一種控制方法來改善控制過程，由於在不同的環境下，控制的設備不同，系統的一些參數也要變化，這樣如果把控制點確定為固定的值，有時誤差會很大，本文是在每次識別系統一些參數來改變控制點的大小。
  8. Based on the investigation with several voltage control methods, such as venturini method, instantaneous double - voltage synthesis method and space vector modulation method ( svm ), three new control strategies are put forward. firstly, a time - varying modulation coefficient svm method is proposed to improve mc ' s anti - disturbance performance under the asymmetry input voltage. secondly, a 5 - state switching strategy is presented for mc controlled by the svm method, which reduces the commutation number and switching losses remarkably

    在分析了venturini控製法、瞬時雙電壓法、空間矢量法等電壓控制方法的基礎上，提出了在非對稱輸入條件下矩陣變換器空間矢量法的時變調制比改進控制策略，提高了變換器的抗干擾性能；對空間矢量法的開關策略進行了研究，提出了新型5狀態開關策略，在保證其他性能不受影響的條件下，減少了變換器的換流次數和開關損耗；提出了一種矩陣變換器單電壓合成的新方法，它不僅使得變換器的控制簡單，計算量減少，而且使得開關損耗達到最少。
  9. 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。
  10. How to design the controller are mainly discussed in chapter three. because of the difficulties of the pid arithmetic, signal neuron controller ( snc ) are combined in order to overcome the shortages of the pid arithmetic, which has self - learning and self - adaptive ability

    第三章主要是控制系統控制器的設計，針對常規pid演算法的缺點，本文將pid與神經網路相結合，利用神經網路的自學習功能實時的改變控制器的參數。
  11. After analyzing compensation conditions for 3 - axis stabilization to overcome disturbance from ship surge, sway and yaw, two control strategies - feed - forward compensation and closed - loop feedback compensation - are given. these two strategies are applied to antenna stabilized tracking system with good performance. intelligent pid is used in closed - loop feedback compensation to get high tracking precision and rapid response

    重點分析了天線穩定控制系統的三軸補償條件，提出了穩定系統抑止載體擾動的控制策略：對于橫滾和俯仰系統採用前饋補償的控制策略；對于方位系統，在以步進電機為驅動元件的特定條件下，研究了變控制周期的閉環反饋策略，同時成功將智能pid演算法應用於實際系統，提高了系統的跟蹤精度和響應快速性。
  12. First in this paper, the characteristics and control methods of bldcm is discussed. on the basis of the run state and control method of the bldcm, combining the electric power and electronic technology, micro electric technology, special integrated chips and the theory of motor control theory, setting up the model of electric power inverter system by using the simulating software - matlab, the control schemes are given when the motor is working in the state of electromotion and electrical regeneration

    首先本文介紹了永磁無刷直流電動機的特點及其控制方法，結合電力電子技術、微電子技術、專用集成晶元、電動機以及控制等理論，在重點研究了電動汽車用永磁無刷直流電動機的運行狀態和控制方式的基礎上，利用matlab模擬軟體建立了電力電子逆變系統的模擬模型，給出了電機處于電動狀態和能量回饋狀態時的控制策略。
  13. Mutual information rate and analytic constraint in linear time invariant control systems

    線性時不變控制系統中的互信息率和解析約束
  14. The hydraulically actuating, electronically controlled variable valve actuator, the common rail hydraulical source and the electronic control unit have been designed and developed. the primary control strategies of the valve timing in different conditions have been discussed. the performance of the system has been researched deeply by experiments, from which, plenty of rules have been obtained, and the way to adjust valve timing, lift and duration has been put forward

    研製了電控可變氣門系統的執行器? ?電控可變氣門驅動機構，設計了電控可變氣門系統的液壓驅動源? ?中壓共軌液壓源，開發了電控可變氣門系統的電子控制單元，實現了在不同工況下，氣門正時、氣門開啟持續期、氣門升程柔性的電子控制，並對不同工況下配氣正時的控制策略進行了初步探討。
  15. Base on experiment of torque converter, a mathematics model of torque converter is established and control strategy for cooperating torque converter with cvt is put forward

    建立了液力變矩器數學模型，提出了液力變矩器與無級變速器聯合工作時的控制策略。
  16. Optimal control theory often dictates that nonlinear time varying control law be used, even if the basic system is linear and time - invariant

    即使系統是線性定常的，最優控制理論通常給出非線性時變控制律。
  17. In order to get good dynamic as well as static performance, multiple - loop control strategy with the instantaneous outer voltage loop and inner current loop is used in pfc converter based on dsp tms320lf2407a

    內環通過瞬時值控制獲得快速的動態性能，保證輸出畸變率較低，外環使用輸出電壓的瞬時值控制，具有較高的輸出精度。
  18. This paper focuses on the research of fuzzy control, especially rule self - adjusting fuzzy control method. by theoretic analysis and simulations, the influences of parameters and system performance characteristic of some kinds of rule on - line self - regulating fuzzy control methods are discussed, and a novel real - time self - adjusting fuzzy control method ( vsrsafc ) is proposed from the diagrammatic point of view. in vsrsafc, the slope of the rectifying curve of rule scaling factor a is altered by the fine - tuning and coarse tuning combined mechanism to adjust the fuzzy control rules according to error e and error change ec, which more coincides with characteristic of system response than the conventional self - adjusting method that adjusts rule scaling factor only according to the error e, and has better static and dynamic performances than the latter

    其中變斜率規則自調整模糊控制的效果較為明顯，它是基於插值的非線性規則自調整模糊控制的引申以及常規全論域規則自調整模糊控制的改進，該方法採用粗、細調結合機制，通過改變規則調整因子的修正曲線斜率，使系統同時根據誤差e以及誤差變化ec在線調整模糊控制規則，比傳統的僅基於系統誤差e的自調整方法更符合系統響應特性，可獲得更好的動靜態控制性能，特別是對于系統參數發生改變、控制參數選取不當等不良狀況，控制器仍能較快自調整，具有較強的在線自適應能力。
  19. A robust algorithm for time varying parameter estimation

    梯度演算法在轉子時變控制中的應用
  20. Using the optimization control method of the moderm control theories, the time - varying control and output - feedback control the authors study the variable structure active control over the rotor vibration with sma, especially the method of restraining the transient response of the rotor vibration. they get the rule of the optimum control force and the optimum control electric current and discuss the influence of variable stiffness on the total system stiffness through analyzing the structure of sma controller. they also indicate the shortcoming of the orthodox design method of a controller, especially the imbalance phenomenon caused by the lack of the rod stability, and propose a new method for improvement and items which ought to be paid attention to in the design stage

    運用現代控制理論中的最優控制方法，引入時變控制和輸出反饋控制，研究利用形狀記憶合金對轉子振動進行變結構主動控制，特別是抑制轉子振動的瞬態響應的方法，得出了最優控制力和控制電流的強度變化規律；通過分析形狀記憶合金動作器的結構，探討了變剛度支承對系統總體剛度的影響，指出了傳統設計方法的不足之處，特別是由壓桿穩定性不足引起的失穩現象，並提出了改進的方法和在設計中值得注意的問題
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