非對稱調制器 的英文怎麼說

中文拼音 [fēiduìchèndiàozhì]
非對稱調制器 英文
asymmetrical modulator
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 稱動詞(適合; 相當) fit; match; suit
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : 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...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感在兩主軸方向的靈敏度大致相同,敏感元件採用高度的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、線性誤差小、外圍電路簡單等優點;設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調處理,然後通過解調輸出與加速度成正比的電壓信號。
  2. Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc

    本文根據大量的國內外文獻,研配液壓機的工作原理及設計結構進行了簡介;位置同步的控方法進行了比較分析,提出比例閥和伺服閥復合控的閉環結構來雙缸進行同步控電液比例同步控方案;在此基礎上著重比例閥控缸建模,最後得到位置控系統的總體數學模型,從理論上同步系統動態特性進行了分析,並用pid控進行參數整定,減小雙缸同步誤差、提高系統的動態響應性能;其中控性能的分析藉助于matlab軟體中的simulink工具箱,由已建立的數學模型形成模擬模型,得到可視化的模擬結果,從而利於交互方式下調整參數,了解不同的參數系統的影響,優化同步系統的動態性能;在深入了解系統的動作特性后,plc控研配液壓機的原理進行了探討,針siemens公司s7 ? 200型plc給出了硬體設計的總體規劃,編出研配液壓機動作控製程序,在編程中著重研究位移傳感與plc的通訊、雙缸同步運行的pid控在plc上的實現及bcd碼撥盤輸入程序的植入問題。
  3. 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方法的基礎上,提出了在輸入條件下矩陣變換空間矢量法的時變調比改進控策略,提高了變換的抗干擾性能;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,減少了變換的換流次數和開關損耗;提出了一種矩陣變換單電壓合成的新方法,它不僅使得變換的控簡單,計算量減少,而且使得開關損耗達到最少。
  4. The objective of this dissertation is a kind of press - high speed numeric control oil - press. with a theoretical analysis and study about proportional control system, this paper sets up the mathematical model of proportional valve controlled non - symmetry hydraulic cylinder via the hydraulic system model building. then analyzes and modifies the model based on the matter of this study, and simulates the model with matlab software to confirm pid parameters, thus designs the pid controller

    本學位論文針一具體的研究項目?高速數控壓機的開發,比例控系統進行理論分析與研究,通過液壓系統的精確建模,建立起比例閥控液壓缸的數學模型,然後根據所研究問題的實際情況模型進行必要的分析和修正,再運用模擬軟體matlab分析系統模型及確定pid控參數,設計出pid控,使得控系統的設計具有更多的可靠性和靈活性,最後運用pic單片機實現此控,並結合整機調試試驗驗證了pid控的成功。
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