高速運轉系數 的英文怎麼說

中文拼音 [gāosùyùnzhuǎnxìshǔ]
高速運轉系數 英文
type characteristic
  • 高 : Ⅰ形容詞1 （從下向上距離大; 離地面遠） tall; high 2 （在一般標準或平均程度之上; 等級在上的） above...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 轉 : 轉構詞成分。
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 高速 : （高速度） high speed; high velocity （hv）; high rate; swift; fast; express; high-speed
  • 運轉 : 1. （沿一定軌道運轉） revolve; turn round 2. （指機器轉動） work; operate; run; travel 3. （循環） flow
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted

    在負荷較小時，壓縮機採用低速運轉，吸氣壓力升高，這對系統降低能耗是有利的；變頻控制時，蒸發器製冷劑流量的變化並非線性；系統中採用電子膨脹閥進行過熱度控制，被控對象具有參數時變的特性，相應地宜採用變結構的控制器。
  2. At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost ， which have restricted the development of apf

    目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換，需要快速、實時運算，因此必須使用高速的數字微處理器和高性能a / d轉換器，這必將大大提高系統成本，使得電路結構復雜，在一定程度上限制了有源濾波器的發展。
  3. Most galaxies rotate at a speed that should cause them to fly apart if all that holds their visible matter together is gravity as physicists understand it

    如果象物理學家理解的那樣，把可見物質結合在一起的就是重力，那麼大多數星系運轉的速度之高，完全可以把星系撕的四分五裂。
  4. A mathematic model of the motor is builded and emulated through matlab. the low - speed and constant - torque, high - speed and constant - power state is analyzed and researched, also the software approach of simulation to the driver has been done, a digital signal processor tms320lf2407 is developed successfully to control the perm square - wave bldcm driving airscrew of solar powered unmanned engine. it is useful to the further study

    在matlab下建立了電機的數學模型，通過計算機模擬，驗證了數學模型的正確性，同時在理論上對低速恆轉矩高速恆功率運行進行了分析與研究，提出了一種用模糊控制的方法實現恆功率控制，並對驅動器進行了系統模擬，成功的研製了以數字信號處理控制器tms320lf2407為控制核心的驅動器，控制無刷直流電動機驅動太陽能無人飛機的螺旋槳，為後面繼續研究工作提供了參考。
  5. Thermal stress control system actually gather the real - time data of unit sets ， compute temperature fields ， stress fields and maximum dangerous stress by the math modal ， decide target and speedup rotation in every stage of startup process ， and justify automatically to realize auto control a serial of processes of turbine ， such as speedup ， warm - up ， connecting net ， load changing ， stop and unsteady condition etc ， and improve automatic level of the unit sets. turbine auto startup ( tas ) system can automatically evaluate steam turbine ' s startup and load changing process according to thermal stress of

    熱應力控制系統實際是對機組運行參數進行實時採集與監控，通過數學模型實時地計算高、中壓缸轉子的溫度場、應力場分佈，以及最危險熱應力，以確定啟動過程各階段的目標轉數及升速率，並進行自動調整，實現機組沖轉、升速、暖機、並網、升負荷、停機以及異常工況下的自動控制，大大提高了機組的自動化水平。
  6. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。
  7. The titanium alloy valve is more superior than ordinary steel valve in lighter, smaller thermal expansion coefficient, lower in thermal expansion, fatigue durable, good elasticity, and reduces oil consumption so as to prevent instability while revolving at high speed and obtain perfect performance

    鈦合金汽門彈簧比一般鋼閥材質更輕巧、熱膨脹系數小、熱量傳導擴散更低、耐疲勞、彈性佳、減少油耗，以阻止在高速運轉下的不穩定以獲致最完美的性能表現。
  8. Measure and control unit adopted 16 - bit, high - speed a / d converter, it can guarantee the speed and precision of alternating sample. the part of communication adopted can bus to transmit the data, it was suitable for real - time control and can guarantee dependability. it adopted the can bus adapter of yan - hua company whose type was pcl - 841 to communicate with processor unit the processor unit adopted industrial pc, which can guarantee the system work well for a long time

    其中下位裝置採用西門子公司的高性能十六位處理器c167cr - lm ，其內嵌can總線控制器便於通過can總線與上位機進行通訊，數據採集部分採用十六位高速a d轉換器從而保證了交流采樣的速度與精度，通訊部分採用可靠性高，適于現場實時控制的can總線來傳輸數據，與上位機介面採用研華公司的型號為pcl - 841的can總線適配器，為保證系統長時間可靠運行上位機採用工控機。
  9. For the operation performance of thsc series of sheet cutters, basically the machine speed of 300 m min and the cutting speed of 500 cut min can be reached in the range of 1400 - 1900 series, but it is hardly to reach it under operation of the remain series, such as : 2100 - 3500, however, still depend on the quality of base paper. the deviation of cutting length is approximately about 0. 3 mm

    在運轉性能方面： thsc系列切紙機其裁切紙張線速度最高可達300m min ，切刀數500cut min ，其裁切的長度偏差值為0 . mm ，當裁切多層紙張時，切刀的負載可達600gsm ，可以說是真正高科技高效率的切紙機。
  10. Following is the author ' s main workings : building the launching dynamics model of the spin tube gun, obtaining the transfer matrix of the whole system and equation of the characteristic, giving the method of solving vibration characteristic, compiling the fortran program, computing the natural frequency and vibration model

    推導了高速旋轉和空間大運動的轉管炮各個元件的傳遞矩陣，得到了轉管炮系統總體傳遞矩陣和特徵方程，給出了振動特性的求解方法，編制了求解振動特性的數值計算程序。
  11. In the test, choose the angle contact bearing as test bearing, and work in the different position of spindle system, then test the temperature and vibration of the bearings in different speed and different loading, and analysis the data to verified the mathematics models

    首先根據理論計算，選用適用於高速運轉的一組角接觸球軸承，各軸承處在軸系中不同位置，然後通過試驗分別對各軸承的工作溫度和軸系振動量進行測量，最後對數據進行分析，通過試驗驗證前面所建立的數學分析模型的正確性。
  12. By using for reference, in theory, simply introduced the basic working principle of the secondary adjusting hydrostatic transmission system, the basic controlling rules of secondary regulation, and the most radical controlling rules such as rotational speed, torque control and power control etc. by analyzing theory and studying, check - uping the motion parts of secondary element and constructing the control system ; and setting up the topmost rotational speed control system ; designing and completing the software of date processing and system control

    通過參考相關的資料，從理論上介紹了二次調節靜液傳動系統原理，二次調節系統的基本控制規律，簡要介紹了最基本控制規律如：轉速控制、扭矩控制和恆功率控制等。在理論分析和研究的同時，對二次元件的運動部件的檢測和控制系統進行構建；組建了二次元件最高轉速控制系統；設計並完成了數據採集和系統控制軟體；同時，對二次元件控制系統和制動特性採用pid控制進行計算機模擬研究。
  13. This system is developed based on high performance, low cost and many controllers inside of the embedded processor, and enlarged gpio for the plat of the hardware and software. this system is applied to the high - speed numerical control carving machine. show the operate interface by lcd, input the control code from the keyboard, the data is readed from the usb interface and store that in sdram

    本系統應用於高速數控雕刻機，以lcd為人機可視化操作界面，以編碼鍵盤為操作控制部分，以嵌入式處理器s3c44b0x晶元為核心，文件數據經usb口讀取u盤中的雕刻數據文件暫存於sdram中，經嵌入式處理器進行相關演算法處理，得出相應參數傳送到fpga ，由fpga控制輸出脈沖和脈沖間延時，通過高速光耦隔離（ 2mbit / s ）后輸出，控制步進電機的運轉。
  14. The influence of high velocity has been analyzed and then the relative ways of compensation are introduced. from theory the influence of spinning motion which bring to the targets " one - dimension range - profile has been analyzed. the arithmetic of estimation of signal with polynomial phase is introduced and then spin compensation is realized

    本文以寬帶線性調頻體制雷達為研究背景，以高速運動目標、自旋運動目標為研究對象，研究了高速運動對目標成像所造成的影響，提出了相應的補償演算法；理論分析了目標自旋對一維距離像的影響，引入多項式相位信號系數估計的演算法，實現了目標旋轉補償。
  15. As an example of 3d program with high quality mesh, proper boundary & initial conditions and ingenious simulation strategy, numerical analysis of flow - fields in hylte nozzle and cavity of dfcl running on fuel system of ( nf3 + h2 + he ) / d2 and experimental stagnation parameters, has been performed using vibration - state - unbalance & rotation - state - balance model, and a detailed kinetic model including 111 one - way primary reactions expressing by finite rate equations between thirteen species. the coefficients of transportation used in the analysis are calculated by employing the formulas of molecular kinetics

    新建立的三維程序在高質量網格、合理的初邊值以及模擬方案基礎上，採用振動非平衡?轉動平衡模型和有限速率方程表達的111個單向基元反應的化學動力學模型，利用分子運動理論計算的輸運系數和工程實驗採用的滯止參數，對運轉（ nf _ 3 + h _ 2 + he ） d _ 2燃料體系的df激光器的hylte噴管和光腔進行了數值模擬分析。
  16. Since 1960s, the mechanical strength reliability and structural system reliability, whose main failure modes are fatigue and service life, has achieved a great deal of development and been applied to engineering machine, aeronautical and astronautical engineering, electric apparatus, bridges, ship, civil engineering etc. with the developing of space technology and tendency of machine towards high speed, precision, automation, one realizes the importance of mechanism reliability based on the accuracy of motion, for the errors of mechanism occurred more often than that of structure, especially in the field of aeronautical and astronautical engineering and operate system of weapon

    上個世紀60年代以來，以疲勞、壽命為主要失效模式的機械強度可靠性、結構體系可靠性研究得到了很大發展，並迅速應用於工程機械、航空航天、電器設備、橋梁、船舶、土木工程等。隨著空間技術的發展以及機械的高速精密化、自動化發展，人們逐漸認識到以機構動作參數的準確可靠為主要指標的可靠性問題日益突出，因為在很多機械上機構的故障多於結構的故障，尤其是在航空航天及武器操縱系統方面。由於這些機構的運轉特性，振動可靠性的研究亦佔有突出的位置。
  17. In this paper, a new way of real - time damage detection method was proposed according to the high speed working situation of the composite flywheels for energy storage, and a suit of equipment was developed to test the composite samples with piezoelectric disc built - in, the response waves before and after the damage occurred were recorded to the computer. on the base of traditional spectrum analysis of signal recorded, the wavelet analysis was introduced and the program in matlab language was made. with the wavelet packet decomposition of the signal, the relations between the change of response signals and damage characters were gotten, a database for damage recognition was created

    本文結合儲能復合材料飛輪高速旋轉的工作特點，提出了一種在線檢測飛輪轉子損傷的方法，自主設計一套實驗裝置對模擬各種損傷的的試樣進行了測試，試樣損傷前後的響應信號被採集后存入計算機中；在對採集信號進行傳統的頻譜分析的基礎上，引入了先進的小波分析理論，利用matlab語言編寫程序，對信號進行小波分解，得到了信號變化和損傷特徵之間的關系，建立了一個識別飛輪損傷的數據庫；小波包分解得到信號對比圖和特徵向量，可以有效判定材料內部有無損傷和損傷的程度，結合頻譜分析等，可一定程度上判定損傷的類型，為儲能飛輪的安全運轉和智能化運作提供了決策依據。
  18. The task of realtime display on lcd and the complicated control arithmetic are implemented in this smps system, and a microcontroller with high resolution, high speed, high integration, large memory is necessary. in this paper, the design theory of s / h ware module which forms the smps control module and the design scheme is discussed in detail. in this system, the digital compute - control module is implemented with samsung ’ s high resolution, high integration, arm core microcontroller s3c44b0 and ad converter with 16bit resolution produced by ad company, ad7705. the ad7705 implements the data acquisition of the voltage and current feedback signal, and transfer the data to microcontroller through spi bus, which is implemented with s3c44b0 ’ s gpio, for computation and display

    本開關電源系統不僅完成lcd的實時顯示，還要完成復雜控制演算法，需要高速度、高精度、高集成度、大存儲空間的微控制器的支持。本文詳細的論述了構成電源控制模塊的各個軟硬體模塊的設計原理和設計方案。本系統提出了以samsung公司的高速度、高集成度的基於arm架構的微控制器s3c44b0與ad公司具有16位解析度的模數轉換器ad7705晶元構成數字採集運算控制模塊。
  19. Firstly, the paper starts from the one - way wave equation of wavefield extrapolation, research the relationship and transform condition of wavefield extrapolation operators, and improves on the wavefield extrapolation operator and so heightens the operation efficiency, and chooses the pspi that fits to the lateral variation of velocity to resolve the wave - equation, which lay a foundation of the theoretic study

    首先，從波場延拓的單程波方程出發，研究了頻率?波數域的波場延拓運算元之間的相互關系和轉換條件，並在此基礎上改進了波場延拓方案和提高了運算效率，選擇了適合於縱橫向速度劇烈變化的pspi方法求解波動方程，為整個研究打下了理論基礎。
  20. Abstract : according to the characteristics of high - speed water entry about the rotary projectile, an experiment plan satisfing mach similarity has been put forward for hydroballistic modeling of high - speed water entry about the rotary projectile by using dynamic equations of projectile movement and similarity theory, which can achieve the equivalent of main similarity parameters between true object and its model at atmospheric environment

    文摘:針對旋轉彈體高速入水特點，從彈體運動的動力學方程和相似理論出發，提出了模擬旋轉彈體高速入水水中彈道的馬赫相似實驗方案.該方案在大氣環境條件下，能夠實現原型和模型兩系統的主要相似準數相
分享友人
分享到 Line

分享到臉書