旋轉變流器 的英文怎麼說

中文拼音 [xuánzhuǎnbiànliú]
旋轉變流器 英文
inverter
  • : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
  • : 轉構詞成分。
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 轉變 : change; convert; transform; turn
  1. In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane

    本論文系統研究了自主式水下航行的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題,具體成果和創新點如下1 、根據體力學理論,建立了螺槳推進的動態模型,它以螺槳來速度v _ p和螺速n為狀態量,以電機施加矩為輸入,螺槳推力t和矩q為輸出。
  2. Exchange non - clearane metal oxidate matter arrester is suitabe for the voltage protection of transformer switch cupboard, vacuum switch etc

    無間隙金屬氧化物避雷,適用於、配電屏、開關櫃、真空開關、輸電線路、電力計量箱、並聯補償電容電機等電壓保護。
  3. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是編碼法、液位壓力傳感法和可電阻法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的換和在單片機內的運算;高集成度16位模數換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀提供了時間基準,方便了儀的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  4. The pulse - width modulated ( pwm ) is the key technologyto acquire the high power factor. the document presents the principle of three - phase pwm, then analyzes and compares the several maturely control methods for pwm

    本文將交電機理論中空間坐標系換理論引入到pwm整的分析中來,建立了三相pwm整的統一的數學模型。
  5. Since high tc superconducting ( hts ) tapes for practical applications became commercially available over the past few years, the development of superconducting power technology has achieved significant progress. it is foreseen that superconducting technology will be the prevailing high technology of the 21st century, and that superconducting power equipment will be commercialized soon, enjoying a large - scale worldwide market before 2010. china ' s economy is expanding fast, and the demand for electricity is increasing quickly. at the same time, higher electricity quality will be required. traditional power technology will no longer be able to satisfy future requirements, so superconducting power technology would be the best solution, leading a revolution in the power industry. the history, present status and prospects of superconducting power technology as well as the economic benefits and basic physics problems involved are reviewed

    人們認為,超導體在電力方面出現大規模應用的時間距離我們還非常遙遠.然而,隨著最近幾年來實用高溫超導材料的研製取得重大的進展,高溫超導電力技術的應用已經成為現實,預期將在2010年左右出現大規模的應用,並將帶來電力工業的革命.因此,下一個10年將是國際超導技術競爭最關鍵的10年.我國的經濟發展很快,電能需求量增加十分迅速,對電能質量的要求也越來越高.常規電力技術已經無法滿足我國電力發展的需要,超導電力技術是實現我國電力發展目標的必由之路.文章有代表性地介紹了超導電纜、超導限、超導磁儲能系統、超導和超導電機等的基本工作原理及研究發展歷史,並著重介紹高溫超導電力應用研究的現狀、應用前景、經濟可行性及基本物理問題
  6. In the second chapter, equivalent circuit of the eddy current sensor is firstly analyzed. based on that, the carrier signal generating circuit that is realized by the lc periodic circuit is introduced, thus, the carrier signal of standard frequency is obtained through the trimming capacity. subsequently, the disc type rotational armature generator and the rotational coupling transformer are separately leaded in to realize the power supplies of the carrier signal generating circuit and output of the measuring signal

    在傳感設計一章中,首先對渦傳感進行等效電路分析,在此基礎上分析了由電感、電容諧振電路構成的載波信號發生電路,並通過微調電容獲得了標準頻率的載波信號;接下來提出了採用盤式電樞發電機解決載波信號發生電路電源供給問題的方案,同時通過耦合的引入,使得測量信號輸出問題很好地解決;本章最後給出的一組實驗曲線充分說明了這一方案的可實現性。
  7. In this papef, the torpedo ' s counterrotating propulsion dc motors ( including series excitation motor and permanent magnetic excitation motor ) are the core to stlldy ; combining the characteristics of battery shiffing electrical equipment and counterrotating propellers, the mathematic models of the torpedo ' s electrical counterrotating propulsion system ( including the mathematic models of the propulsion motors and the zn / ago battery and the shifting electrical equipment and counterrotating propellers ) are established

    本論文以雙魚雷直推進電機(包括直串勵電動機和永磁他勵電動機)為研究重點,結合鋅銀電池組、速電、對槳的特性,建立魚雷電動力推進系統的數學模型(包括推進電機、鋅銀電池、速電和對槳等的數學模型) 。
  8. The design of excitation power source based on principle of three phase step motor and pulse width modulation ( pwm ) technology, intelligent power model ( ipm ) is used for inverter switches, the output ac pulse used as excitation signals. the speed of rotation and magnetic intensity can be changed by regulate the exciting converted frequency and magnitude of exciting current. constant current is achieved by closed loop feed back

    勵磁電源結合步進電機原理與脈寬調制技術,選用智能功率模塊ipm作為逆開關件,輸出交脈沖勵磁信號,以調節勵磁換頻率和勵磁電大小為手段,實現對磁場頻率和磁場強度大小的有效調節,並通過閉環反饋實現閉環恆控制。
  9. So the vsr can operate in any power factor. internal model control ( imc ) design concept has been introduced to the unbalanced control system of vsr. with imc design concept, the unbalanced control system not only achieve zero steady state error of sinusoidal ac current, but also obtains strong robustness of the control system

    由於在abc和靜止坐標系中,採用比例和比例積分調節無法實現對時正弦波信號的無差跟蹤控制,而在dq坐標系中需要用正、反兩套坐標系構成四個電內環才能實現對正、負序dq電的無差跟蹤。
  10. Rotating pipes system are often encountered in the rotary machinery of engineering applications. with the popularity of rotary machinery in industry, the characteristics of the fluid flow and heat transfer in the controlling pipe system, the transporting pipe system, and the cooling pipe system are the main factors to improve the efficiencies of the rotary machinery. meanwhile, when a man is in the aerocraft with a high rotating speed or in the rotating machine for training, the flow in the blood vessel of body will change evidently and so the study on the flow in the blood vessel also becomes the important research field in the aerial - physiology

    狀態下,這些曲線管路系統中的動和換熱特性將會發生什麼樣的化,是對管路系統的性能以及裝置的運行安全至關重要的問題,也是管道動中研究很少,又是迫切需要解決的課題;同時,這個課題還可以應用於生物體力學:當人體處于作高速或曲線運動的飛行或宇航飛行員訓練的裝置中,人體血管內血液動將會發生什麼樣的化,是航天生理學研究的重要課題。
  11. Railway applications - rotating electrical machines for rail and road vehicles - machines other than electronic convertor - fed alternating current motors

    鐵路用途.鐵路與公路車輛用電機.用於除電子饋電交電動機之外的機
  12. Railway applications - rotating electrical machines for rail and road vehicles - electronic convertor - fed alternating current motors

    鐵路設施.鐵路和公路車輛用電機.電子饋電交電動機
  13. Electric traction - rotating electrical machines for rail and road vehicles - part 2 : electronic convertor - fed alternating current motors

    電力牽引.鐵路與道路車輛用電機.第2部分:電子供電的交電動機
  14. Electric traction - rotating electrical machines for rail and road vehicles - part 1 : machines other than electronic convertor - fed alternating current motors

    電力牽引.有軌與道路車輛用電機.第1部分:除電子供電的交電動機之外的電機
  15. The paper analyzed the basic theory and mathematic model of three phase voltage pwm inverter and proposed one kind of control strategy based on the voltage - current double - loop. it used the exterior loop to control the voltage the eps outputted, and used the inner loop to control the current. simulation testified that the control method could improve the dynamic response character and interference rejection ability

    在建立三相電壓型pwm逆在兩相同步坐標系下的數學模型的基礎上,提出了一種三相電壓型pwm逆基於電壓電雙閉環的控制方法,利用電壓外環實現對輸出電壓的穩定控制,電內環實現對輸出電的控制,模擬證明該方法有效地改善了系統的動態響應及抗干擾能力。
  16. Aimed at rotating wheels of hydrodynamic torque converter, the basic formula that suited hydrodynamic torque converter was given out ; the model of type yj380 hydrodynamic torque converter was established and the finite element method was chosen, the model was taken into an appropriate boundary conditions in order to proceed the simulative calculation of the internal flow field in torque converter, at last the theoretic results were compared with the experimental results

    摘要給出了適合於坐標系下的基本方程組;建立了yj380型液力三維模型,選擇了有限元法作為其分析方法,給模型加以適當的邊界條件,對其內部場進行三維動態模擬;將理論計算結果與實驗結果進行對比分析。
  17. Research on adaptive damper system review the current er damper and active vibration control technology, the conception of converting vibration energy to energy damping vibration is presented. the adaptive er damper system has a rack and pinion mechanism which converts a linear motion of piston to a rotary motion

    採用齒輪、齒條機構將車輛的往復直線運動換為運動,再利用齒輪機構升高速驅動永磁直發電機產生電能,把電壓升高後作用於電體減振,由此構成一個完整的自適應減振系統。
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