轉速同步器 的英文怎麼說

中文拼音 [zhuǎntóng]
轉速同步器 英文
rpm synchronizer
  • : 轉構詞成分。
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : Ⅰ名詞1 (步度; 腳步) pace; step 2 (階段) stage; step 3 (地步; 境地) condition; situation; st...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 轉速 : speed; revolution; rotation rate; speed of revolution; rotating speed; rotational speed轉速指示器...
  1. After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control

    在指向反射鏡的擺動控制方面,採用低性能好的分裝式直流力矩電機作為指向反射鏡的驅動電機,並採用感應作為角度測量元件,運用軸角ad2s80a進行角度和度的輸出,採用技術成熟的pid控制方案,進行度和位置雙閉環控制,以實現指向反射鏡度的平穩性和位置的精確性。
  2. The synchronous sensor and velocity sensor for high speed rotating - mirror streak camera are described

    論文介紹了高鏡式條紋相機高性能傳感度傳感
  3. Automatic engine speed synchronizer

    發動機自動
  4. Adopting the technologies of the powerful steering, dual - pipes hydraulic for four - wheel brake and synchronizer in shifting speed. all of these make the truck steer lightly, brake reliably, and operate expediently

    採用動力向,雙管路液壓四輪制動及換檔變等技術,使車輛向輕便,制動可靠,操作方便。
  5. In order to solve need badly three - ring type gear reducer ( problems of high vibration, high temperature and short spin arm bearing life in operation, by means of power separation flow, elastic ring equilibrating load, tardy down and assimilation vibration of synchronous belt transmission, and mechanism balance principle, the author designs a new type three - ring type gear reducer with arc tooth synchronous belt transmission, the gear reducer is fully balancing, equilibrating load and reducing vibration and phase difference 180 ( of mass eccentricity

    為解決一般三環減振動大、溫升高和臂軸承使用壽命短等生產中迫切需要解決的問題,依據功率分流、彈性環均載、帶緩沖及吸振和機構平衡原理,設計出了一種具有圓弧齒帶傳動的完全平衡、均載減振,偏心相位差為180的新型三環減
  6. Technical system includes the injector and the accelerator subsystem, synchrotron, beam transport, gantry with beam transport and nozzle, treatment couch and control subsystems etc

    技術系統包括用作入射的加、高能加(可採用?旋加) 、射束輸送管、旋架質子輸送和射?管口、治療床、管制次系統等。
  7. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調動態特性、靜態特性對頻率測量的實時性和精度要求的不,利用s7 - 200plc基本單元中內置的高計數以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調的機械液壓隨動系統具有進電機電液換元件,採用五相反應式進電機,根據其驅動特性設計了變頻調壓驅動,實現plc與進電機驅動之間數字介面。
  8. By high frequency injection method and a kind of magnetic anisotropy of pmsm, the rotor saliency position can be calculated in the pmsm sensorless vector control system

    摘要通過注入特定的高頻電壓信號,利用電機的各向異性以確定子的凸極位置,在電機無傳感矢量控制中,對包括零度在內的所有度下都能獲得精確的子位置信息。
  9. The stator of aceg is connected to the grid and the three symmetrical excitation windings in the rotor are fed by converter. the magnitude and frequency and phase and phase sequence of excitation voltage can be controlled, so the magnitude and position of excitation mmf as well as the speed of rotor can be controlled. therefore, acegs have superior performances by contrast with conventional synchronous generators and induction generators, such as upstanding stability, power generation of variable speed constant frequency ( vscf ), adjusting active power and reactive power independently, and absorbing lag reactive power deeply

    交流勵磁發電機的基本結構與繞線式異電機相,其定子側接電網,子上採用三相對稱分佈的勵磁繞組,由變頻提供對稱交流電勵磁,且勵磁電壓的幅值大小、頻率、相位、相序都可根據要求加以控制,從而可以控制發電機勵磁磁場大小、相對于子的位置和電機的,使得交流勵磁發電機具有良好的穩定性及適應能力、獨立的有功與無功調節能力和較強的進相運行能力,性能超越傳統發電機和感應發電機,因而有著廣闊的應用前景。
  10. Our factory increase a set of intensifier with non - grade - adjustable rating speed to form the intensive air drying, the wet material mixed with hot air fully by screw feeder in the intensifier and material surface is crashed into fine granules and moving to the outlet as well as drying, under rapid rotating hitting and pushing. in the long run, the materials get a further even drying in the dryer pulled by the wind force and those wet and weighty granules the wind force can not pull continue to be crashed, dried until they are pulled by the wind force into the dryer

    我廠強化型氣流乾燥是在基本型上增加一套可以無級調節的強化組成,濕物料通過螺旋加料進入強化后和熱氣流充分混合,在飛的擊刀擊碎和推進下,物料被破碎成細顆粒,在乾燥時向出口移動,最後在風力吸引下進入乾燥管,進一均勻乾燥,風力無法吸引的濕重顆粒繼續被擊碎、乾燥、直至能被風吸起進入乾燥管。
  11. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機運行特性及其最佳風能利用原理,通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性,並給出了模擬系統的硬體結構;然後為了實現交流勵磁發電機有功、無功功率獨立調節機理,分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變恆頻風力發電時必需的定子磁鏈定向矢量控制策略;針對雙饋發電機子能量雙向流動的要求,提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻;最後為實現從理論到實踐的全面研究,研製出了一套小功率完整的雙pwm變頻交流勵磁的雙饋風力發電機實驗系統,進行了空載、並網、及上、下的發電運行等一系列的運行實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。
  12. In the dissertation, a novel hybrid excitation constant voltage synchronous generator is adopted to improve the system performance, which takes the advantages of both electrical excitation and permanent magnet machines. a parted configuration is presented in order to design the structure of the generator. the adaptive digital adjustment is settled in principle using the single chip microcomputer 80c31 as the control core of the voltage regulator and adopting the proportion - integral - differential control as the control arithmetic, then a sample is made

    論文對發電機的工作原理、性能特點、電機本體以及電壓調節的硬體和軟體設計進行了研究,針對稀土永磁發電機變載、變情況下輸出電壓不可調的不足之處,採用一種新穎的電機型式? ?自適應復合勵磁恆壓發電機,綜合了永磁發電機和電勵磁發電機的優點,提出一種磁路分開的結構進行電機本體的設計,並選用單片機80c31作為電壓調節的控制核心,比例?積分?微分控制( pid )作為其控制演算法,從原理上較好地解決了其電壓的自動數字調節,並試制了一臺樣機。
  13. 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矩控制的缺陷和未來直接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 )提出一種新型的度磁鏈觀測,新型的度磁鏈觀測採用自適應閉環磁鏈觀測代替傳統的積分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的新型自適應收斂律; ( 2 )改善系統的低運行性能,主要從提高低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矩控制系統, sercos ( serialrealtimecommunicationsystem )是目前最適合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。
  14. Aiming at wide variations in loads and moment of inertia, large disturbed moment of a permanent magnet synchronous motor position servo system, and the problem of velocity limit to uniform sliding mode control, a cascaded compound slide mode controller was proposed and designed for permanent magnet synchronous motor position servo system

    摘要針對某永磁電動機位置伺服系統負載力矩和動慣量變化大、干擾力矩強的特點,以及統一滑模變結構控制度限幅的難題,提出並設計了串級復合滑模變結構拉制
  15. Efforts are concentrated on how to improve the performances of the synchronous and velocity sensor of high speed rotating mirror camera, creative ideas in this paper are displayed as follows. ( 1 ) high speed rotating mirror camera signal is processed by means of opto - electronic system. the advantages of the opto - electronic system, such as good emi resistance and fast processing ability, are employed to optimize the design

    本文的工作就是圍繞如何提高高鏡相機傳感的性能開展的,主要工作內容和創新點如下: ( 1 )利用光電系統對高鏡相機度傳感信號進行處理本文利用光電傳感系統的抗電磁干擾及可高處理的特性,把高狀態下反射鏡的時間參量換為光信號,再經過光探測換為電信號。
  16. In such situation, controlling of the transf - orming process and synchronizing of sampled data only could be achie - ved via hardware, and data must be stored ( by using high - speed stora - ge chip ) and digital signal must be processed ( by using high - speed d - sp ) in real time simultaneously

    在這種情況下,通常只能用硬體實現換過程的控制和采樣數據的,仔細設計時序電路,時必須採用高存儲晶元對數據進行存儲和高的數字信號處理( dsp )完成數字信號的實時處理。
  17. Specific issues examined are : compensation for the variation of the stator resistance, the offset error of the dc bus voltage, the voltage error generated by the forward voltage drop the dead time of the switches, improvement of the steady state performance, and the speed sensorless control for the pmsm dtc drive system are of major concern in this thesis

    定子電阻變化,直流母線電壓漂移,開關件反向相電壓降、逆變死區時間引起的電壓誤差的補償,提高系統穩態運行性能以及永磁電機直接矩控制的無度傳感運行方案等問題都是本文研究的重點。矩的快響應是直接矩控制演算法的一個卓越的性能。
  18. This paper deals with synchronous measure technology of the cylinder pressure with the engine cold start by adoping micro - chip aduc812, and it discuss the analysis of breakdown of engine cold start with the mixture of technology of information. through the analysis of the parameters of cylinder pressure of the engine cold start, turning speed and starting electricity, and according to the measure data and witness, a theory is to be inferred, and with the help of breakdown - checking systems, the engine piston groups and the breakdown of starting system can be judged. at last, the. remote measure technology of cylinder pressure ' s parameters

    本文採用微處理晶元aduc812研究發動機冷起動氣缸壓力的測試技術,討論了基於信息融合技術的發動機冷起動故障診斷方法。通過對發動機冷起動氣缸壓力、、起動電流等參數的測試,根據測試數據和證據推理理論,藉助故障專家系統,判定發動機氣缸活塞組以及起動系的故障。最後研究了氣缸壓力等參數的遙測技術。
  19. This paper studies on used the ac servo system based on ti dsp ( lf2407a ) and the foc and digital signal processing thorem, achieves following results : algorithm. we employ svpwm ( space voltage pwm ) algorithm, improve the efficiency of the electric source, and decrease the harmonious elements. we build the mathematic model of the system and simulate it on matlab platform, dsigne segmented pid regulator to adapt variable speed and widen the speed range. measurement. the velocity and electric current measuring, we adopt multi - sampling - rate and digital filter principles. as more improvements we make, the whole system gets a good results. pc control. the complete controlling system can be controlled remotely. so we develop the pc controlling program.

    採用磁場定向脈寬調制演算法,提高了電源利用率,降低了逆變電壓的諧波,改善了電機的運行特性,降低了對電網的污染;在matlab平臺上建立了交流永磁伺服電機和電壓空間矢量脈寬調制控制系統的數學模型,在模擬的基礎上,對傳統pid調節進行了改進,提出調節和電流調節採用分段pid結構,根據給定所處的區間,自動選擇相應pid調節的參數,拓寬了調范圍,提高了控制精度。
  20. In large rotating machinery using filmatic bearing ( turbogenerator, air compressor, etc. ) there is a potential trouble from impefect installation or running conditions, a metals " contact between rotors and shells. the trouble is usully called rubbing. the advantage of ae technologe in the rubbing diagnosis and early detection is showed. instead of classical ae characteristic parameters ( counts, amplitude, energy, duration and the other ones ) a new feature extraction by frequency analysis of ae envelop signals is discussed. both research of ae process and field experements indicate that periodic components in the envelop spectrum related to rotational speed increase evidently at the beginning of rubbing production, hence are highly sensitive to the rubbing fault diagnosis. according to the new design an acoustic emission equipment for the rubbing diagnosis named buaa ae testing system is developed and described

    汽輪發電機、空氣壓縮機等採用油膜支撐的大型動機械,由於安裝或運行中的原因,在子旋過程中,可能和壁發生輕微的摩擦和碰擊,簡稱碰摩.聲發射技術在碰摩發生特別是故障早期診斷上有優越性.本系統的特點是沒有沿用傳統的計數、幅度、能量和持續時間等聲發射特性參數,而是在聲發射包絡信號的頻率分析中進行特徵提取.聲發射發生的過程分析和現場試驗都表明這種方法對碰摩檢測很敏感,在碰摩發生的起始階段,包絡譜中與的周期性分量顯著增加.根據這種新的設計思想自行研製了buaa碰摩聲發射檢測儀並對此作了介紹
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