環式調制器 的英文怎麼說

中文拼音 [huánshìdiàozhì]
環式調制器 英文
ring modulator
  • : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • 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. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀,液浮擺加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調、頻標電路以及力矩電流發生等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。
  2. This thesis introduces the working principle, craftwork requirement, modeling process, control strategies and the realization of lf refining furnance bottom blowing argon control system. through the study and analysis of bottom blowing argon process control system, the thesis discusses the mean neural network model of controlled object and the mathematical models of the exectors, pwm adjustable pressure controller and pcm adjustable flux controller according to the relevant liquid knowledge and relevant data, including design data, test data and running data. to begin with the craftwork reguirement of bottom blowing argon and the actual instance of the control system, it presents the strategies of fuzzy parameters self - adaptive pid control used in pressure difference inner loop and fuzzy plus pi compound control used in flux outer loop which are based on the above modeling in order to carry out the accurate control of argon flux

    本文介紹了lf精煉爐底吹氬過程系統的工作原理、工藝要求、建模過程、控策略以及控系統的實現。通過對精煉爐底吹氬過程系統進行研究與分析,並根據流體力學的有關知識以及有關數據(其中包括設計數據、試驗數據和運行數據) ,建立起了被控對象的平均神經網路模型和執行機構(即pwm調和pcm調)的數學模型。在此模型的基礎上,從底吹氬工藝要求和控系統的實際情況出發,提出了壓差內模糊參數自適應pid控策略和流量外模糊pi復合控策略,以實現氬氣流量的精確控
  3. Mainly discuss the choice of gateway hardware platform, specifically introduced the programming of the gateway, the operate of can controller, the design of can data send and receive programming, network programming and the multi - task programming with emphasis

    軟體設計介紹了交叉開發境keiluvision2ide的設置和調試手段,給出了對can控的操作、 can數據幀處理程序設計、網路編程,其中重點討論了嵌入多任務程序的設計。
  4. 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,包括它的流特性、功率特性和電壓閉調節特性;在此基礎上,又研究了幾種典型的並聯運行控;然後,採用搶占與並發相結合的同步控和反饋與下垂特性相結合的負載均分控設計了並聯控
  5. Neural network control is an important mode of intelligent control, and it is widely used in branches of control science, first, the architecture and the learning rule ( error back propagation algorithm ) of multiplayered neural network which is widely used in control system are presentedo especially, the paper refers to the architecture of diagonal recurrent neural network and its learning algorithm - - - - - recurrent prediction error algorithm because of its faster convergence with low computing costo next, before introducing the neural network control to the double close loop dc driver system, the controllers of current and velocity loop are designed using engineering design approach after analysis of the system, simulation models of the system are created

    神經網路控是智能控的重要方之一,它廣泛應用於自動控學科各個領域。本文首先敘述了控系統中常用的多層前饋網路結構及演算法( bp演算法) ,特別提及了能夠較好描述系統動態性能的對角遞歸神經網路和在用遞推預報誤差演算法訓練drnn時取得了較快的收斂速度。其次,應用工程方法分析設計了tf - 1350糖分離機的電流、轉速雙閉直流調速系統的控,作為引入神經網路控的設計基礎,並建立了系統的模擬模型。
  6. Taking the vr step motor as example in the paper, systemic research is conducted about the principle of the subdividing drive, the non - linearity relationship between microstep and phase current, the method of velocity adjusting and the interrelated factors. the system is designed to realize the subdividing drive, velocity adjusting and position. especially, there are two innovations in this paper. one is the first introduction of pld device and isp technology to the design of phase sequencer, the other is the new measure and amend method of microstep

    本文以三相反應步進電機為實例,對細分驅動原理、細分驅動的非線性、變細分調速以及相關影響因素進行系統的研究;實現細分驅動調速控、定位控和軟硬介面的設計。在此基礎上,本文對細分驅動形分配的設計和微步距測量修正進行了創新;提出將pld件和isp技術引入到細分驅動形分配的設計思想和錯位測量和逼近修正法。
  7. 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,對研配液壓機的工作原理及設計結構進行了簡介;對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結構來對非對稱雙缸進行同步控電液比例同步控方案;在此基礎上著重對比例閥控非對稱缸建模,最後得到位置控系統的總體數學模型,從理論上對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,從而利於交互方調整參數,了解不同的參數對系統的影響,優化同步系統的動態性能;在深入了解系統的動作特性后,對plc控研配液壓機的原理進行了探討,針對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。
  8. For digital audio encoding and decoding modules, delta - sigma modulation is introduced and audio data, preambles with accessorial data are multiplexed according to the digital audio interface standard ; for carrier wave, pll frequency synthesizer is used ; for frequency modulation, voltage control oscillator is taken ; for demodulation, pll frequency discrimination is adopted

    調,並按照數字音頻介面標準對音頻數據、同步字和附加信息進行通道復用;對于載波信號,採取鎖相頻率合成技術手段;對于頻率調,採用壓控振蕩;對于解調電路,採取鎖相鑒頻電路。
  9. The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence

    主迴路採用由18個晶閘管組成的三相零電路,並輔以晶閘管的保護電路,通過控可以得到低頻正弦波的電壓(電流)輸出;控迴路主要以87c196kccpu為核心,其外圍電路包括同步電路,脈沖拓寬電路,功率放大驅動電路等,完成了數字觸發、數字調節、模數轉換等功能;進線電源變壓具有變壓和隔離作用;流電抗則實現了有效抑主迴路瞬時脈動流的功能。
  10. It realizes the functions of storing and transferring the information of fire alarm, displaying time, scanning keyboards, the safe maintenance of system and so on. the part of wireless communication is controlled by at89c2051 mcu, mainly realizing transmitting and receiving data between controller and other detectors. the external signals received by a wireless module are transmitted to mcu through shaping circuit, and the signals of mcu are transmitted by a wireless module through tone modulation circuit

    人機交互部分以單片機c8051f020為核心,為用戶提供一個良好的操作境,實現了火災報警信息的存儲及調用、時間的顯示、鍵盤的掃描、系統的安全維護等功能;無線通信部分由單片機at89c2051來控,主要實現控與其它探測裝置之間信號的無線發射和接收,無線通訊模塊接收到的外部信號經過整形電路送入單片機,單片機發出的信號經過音頻調再由無線通訊模塊發送出去,這樣實現了數據的無線傳輸;本文還從節能的角度出發,兼顧性能的可靠性,提出了一種合理的無線火災報警的信息傳輸模
  11. At the same time we based on the high precision tuning mechanism and computer controlling feed - back technology to design pid controller. so, we finished design of closed - circuit controlling system and achieved the goal of sampling and feedback

    同時,本文在高精度的調諧機構的基礎上,利用計算機控反饋技術,設計了速度pid控,完成了閉反饋控系統的設計,實現了輸出參量光信號採集和反饋的目的。
  12. The author of the dissertation pay a lot efforts to focus on designing the dual - loop control circuit based on optimized psm, include : 1 ). researched the relationship of input and output voltage and output valtage ripple, when psm operate in continuous current mode and discontinuous current mode respectively. what we have done will direct psm apply to converter

    本文在psm調理論的基礎上,設計基於優化psm調的雙電路,主要包括以下幾個方面內容: 1 )對psm調分別在連續和斷續工作模下的輸入輸出電壓關系以及輸出電壓紋波進行研究,以期指導psm調在變換中的應用。
  13. Then, as the substitute of the traditional pi controller, neuron adaptive psd controller is used to alternate the velocity loop of dc driver system, simulation results show that the super - shoot in new system is small and the performance in the way of anti - disturbance and anti - time - varying parameters are higher than the traditional pi controller and robustness of the dc driver system improved greatly, in addition, through analysis of the character of the neuron adaptive psd controller, the paper presents a neural network self - tuning control method for dc driver system in which the diagonal recurrent neural network is used to identify the plant to calculate the plant ' s sensitivity for psd controllers simulation results indicate that excellent static dynamic target was got with this control method and the performance of the system is improved greatly,

    然後,應用單神經元自適應psd控改造調速系統的轉速,代替傳統pi調節方的轉速控。模擬表明,新系統在超調、抗負載擾動和參數時變方面性能優于的傳統的pi控,系統的魯棒性增強。在分析單神經元自適應psd控特性后,本文提出用對角遞歸神經網路辯識控對象,為psd控提供靈敏度參數,從而構成一神經網路自校正控方案。
  14. A comparative study and simulation of different control schemes, for the brushless motor variable - speed system, is presented. the simulation results show that, with the outer speed loop based on conventional proportional - integral controller, the dynamic performance of the system is not content, while with intelligence controller, the performance improves, and with variable - structure control with sliding mode, the system response influenced slightly by the vary of the system parameters

    本文還對無換向電動機雙閉調速系統的不同控進行了模擬比較,結果表明:採用常規的pi轉速調,系統的動態性能不是很好;採用簡單的轉速智能控,系統的動態性能能得到一定改善;採用轉速滑模變結構控,系統的響應特性受系統參數變化的影響較小,具有優異的動態性能。
  15. The fuzzy - pid controller with self - tuned parameters is finally designed out. the dissertation introduces the performance parameters of plvc4 programmable logical controller for valve and its programming software openpcs. connects it to the computer by serial communication and have the computer monitoring program

    閥用可編程用串口通訊線與計算機連接,在其編程軟體openpcs境下用st語言編寫油源系統控製程序,並編計算機監控程序實現參數在線調整和測量狀態監控。
  16. So it becomes the most competitive new type of gyroscope. the interference fog is in the application process. the resonance fog needs shorter fiber or waveguide to realize the same sensitivity, comparing with the interference fog it can realize integration in silicon planar waveguide module and integration of ring cavity, input and output optical circuits and modulator in single chip of planar waveguide

    與干涉光纖陀螺相比,為達到同樣的靈敏度,諧振光學陀螺需要的光纖或波導長度要短幾十倍,並可以進一步實現將形腔、輸入輸出光路、調等集成在單片平面波導上,特別適合於研製微型光學陀螺。
  17. The resonation fog needs shorter fiber or waveguide to realize the same sensitivity, comparing with the interference fog. it can realize integration in silicon planar waveguide module and integration of ring cavity, input and output optical circuits and modulator in single chip of planar waveguide. it fits the rmog very much, which stands for the trend of miniaturization of gyroscope

    干涉光纖陀螺已經進入實用化階段,與干涉光纖陀螺相比,達到同樣的靈敏度,諧振光學陀螺需要的光纖或波導長度要短得多,可以實現將形腔、輸入輸出光路、調等在單片平面波導上的集成,特別適合於微型光學陀螺( rmog ) ,代表將來陀螺小型化的發展趨勢。
  18. With the strong dsp as the control unit, the design of main circuit structure is provided, and the control policy for the main circuit loop, the tuning of the triggering angle for thyristor are given

    在具體的系統實現中,變換主迴路選擇流控,採用高性能dsp作為模糊控核心,通過加權平均判決的模糊決策演算法對變換主迴路晶閘管的觸發角進行調,從而有效控輸出電壓波形。
  19. In order to decrease the over - adjusting in temperature and transaction time, a multi - model selector was provided to different scenarios of ascending temperature to make this system be simulated under simulink ' s circumstances. the result of simulation demonstrated that the effect of the system temperature control with model selector is superior to that of the system with pid controller or with pure lag compensation

    為了進一步降低滲氮爐到溫前的溫度超調量及過渡時間,又提出用一個模來進行多種升溫方的選擇並在simulink境中對帶有模的溫控系統進行了模擬實現,模擬結果表明帶模的滲氮爐溫控系統的控溫效果又要優于帶純滯后補償的pid控系統。
  20. In the optical communication system, the magneto - optic crystal is the most important part of magneto - optical devices, such as magneto - optic modulator, magneto - optic isolator, magneto - optic circulator and so on. the optical characteristics of the magneto - optic crystal will influence the working performance of the devices

    磁光晶體在光通信用磁光件如磁光調、磁光隔離、磁光等中是其核心組成部分之一,它的光學特性直接關繫到件工作性能的優劣。
分享友人