低噪聲電動機 的英文怎麼說
中文拼音 [dīzàoshēngdiàndòngjī]
低噪聲電動機
英文
quiet motor- 噪 : 動詞1. (蟲或鳥叫) chirp 2. (大聲叫嚷) make noise; make an uproar; clamour
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 機 : machineengine
- 電動機 : electric motor; motor (俗稱「馬達; 電滾子」)電動機並聯法 parallel connection of the motors; 電...
- 電動 : motor driven; power driven; power operated電動擺 motor pendulum; 電動扳手 electric wrench; 電動泵...
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Aiming at permanent brushless dc motor in mini - bev ( battery electric vehicle ) with torque ripple and violent noise during low speed running, the fuzzy control method is combined with slide mode control method to suppress the influence due to un - modeling parameters, and to ensure the robustness in the process of reaching slide mode plane
摘要針對微型電動車用永磁無別電動機轉矩脈動大、低速運行時噪聲明顯等主要問題,採用模糊控制和滑模控制相結合的方法,克服了未建模參數的影響,保證了滑模到達階段的魯棒性,同時抑制了轉矩脈動。Compared with traditional mechanical and optic gyros, hrg has such advantages as no high speed circumvolving or moving parts in structure, no warm - up time and short start - up time, wide signal band in frequency, low excursion noises, great endurance in over loading, nuclear radiation and short time power off, small bulk, light weight, low power cost and long life, which is suitable for space applications
與傳統的機械陀螺和光學陀螺相比,半球諧振陀螺具有如下優勢:結構上無高速轉子、無活動部件;不需預熱,啟動時間短;信號頻帶寬,漂移噪聲低;能承受大的機動過載;抗核輻射,並可經受短時間電源中斷的影響;體積小,重量輕,功耗低,壽命長,非常適合空間應用。Series of guowei dry - method composite machines as new product are explored with our many years ' experience, the requirement of the users. the first metal of this machine is adopted with : photo - ecectricity auto. tracking " correcting deviation equipment, magnetic powder tension control. pneumatic back pressure shifting blade, oven temperature controlled qutomatically, big roll with oil heating, coating composite pneumatic control as well as double frequency governor etc. it will make the machine with fast speed, lower voice, low polluted by air, shout consumptionfor energy, stable working etc. especially suitable for al - foil with smooth surface and no enough firming, glass paper, polyester ect. the composite material with hard strength, fireproof, anti - ventilation, anti - fatty, frozen, dudrable steam etc character. it is widely used in food, pharmacy, as well as daily articles to package
「國偉」 、系列乾式復合機,是我廠根據多年的復合機製造經驗及結合客戶需求,開發的新產品,該機第一基材採用了「光電自動跟蹤」糾偏放卷裝置,磁粉張力控制、氣動背壓移動式刮刀、烘箱溫度分段自動控制、大輥筒導熱油加熱、上膠復合氣動控制及雙變頻調速技術,使該機具有復合速度快、噪聲低、空氣污染小、能耗低、運行平穩等特點,適宜於表面光滑的鋁箔玻璃紙聚酰胺等與聚乙烯、聚丙烯等薄膜的復合,復合薄膜具有強度高、防水、防透氣、防油脂、可冷凍、蒸煮等優點,廣泛應用冷凍食品、乾燥食品、醫藥品及日用品的包裝。Two nonlinear simulation methods are designed by curve fitting method and anfis which seem simply and right in the simulation experiment. based on the model different control strategies also were realized in detail such as chopped current control ( ccc ), angular position control ( apc ), amplitude - change ccc and pi control. a simple torque sharing function ( tsf ) method and a tsf controller were designed which decreases torque ripple effectively
文章中還建立一種基於模糊神經網路的非線性模型,並對比分析了三種方法,模擬中確定了電機的最優開通關斷角,在此基礎上實現了電流斬波控制、角度位置控制、變幅值電流斬波控制以及分段雙閉環pi控制,模擬結果表明,它實現了電機的正常運行,很好的抑止了電機轉矩脈動,同時有效地降低了噪聲。Mainly used for home appliances such as electric stove, electric oven grill oven and roasting jack features : high performance, low mechanical noise, high output torque, and long life
此種機型常應用電烤爐烤箱烤肉叉轉動器。具有輸出力矩大性能穩定噪聲低壽命長的特點Yzc motors are widely used for driving highly accurate machine tools and such instuments which low noise and little vibration is needed
Yzc系列低振動低噪聲三相異步電動機振動小、噪聲低,適用於各種高精度的精密機床,以及需要低噪聲、低振動的各種機械設備。They have been widely used in optical - fiber communication, satellite communication, super high speed computer, high speed measurement instrument, mobile communication, etc. since gaas is compound semiconductor, it is difficult to achieve high quality gaas crystal
Gaas器件與電路具有速度高、功耗低、噪聲小、耐高溫、抗輻射等優點,在光纖通信、衛星、超高速計算機、高速測試儀器、移動通信和航空航天等領域中有著重要的應用。Yg832 electronic multifunctional stretcher, adopting ac servo system and exactitude screw arbor drive, has many characteristicses, such as reasonable structure, simple operation, low noise and smooth run etc, adopting scm control, displayed by lcd, intellective interface, deposit the data into the database if connected with the computer
Yg832多功能拉伸儀,採用交流伺服驅動,滾珠絲桿傳動,具有結構合理,操作簡單,噪聲低,運行平穩等特點,電器控制採用單片機控制,液晶中文顯示,人機對話界面,與電腦連接可建立數據庫。This series motors are widely used in various mechanical equipment which needs stepped speed adjustment, so that they enable the equipment to have compact structure, lower noise and ability to save energy
本系列電動廣泛用於各類需要有級調速的機械設備,能使整機結構緊湊、噪聲降低、能量節約。Although reducer can avoid step sense and oscillation partly, the strap transmission will influence orientation precision ( it is key norm to the small metallographic sample cutting machine ), so plan to use step motor to drive the screw directly, the step motor at low velocity, which is not drived by the subdividing drive system, will have obvious oscillation and noise that would influence the cutting function, the usage life and sample structure
由於步進電機是通過皮帶輪減速來驅動絲杠,進而帶動砂輪片前進和後退,雖然減速能部分消除步進感和振動,但皮帶傳動會影響定位精度,定位精度對精密切割機十分關鍵的技術指標。採用步進電機直接驅動絲杠,未經細分驅動的步進電機在低速運行時,有明顯的步進感、振動和噪聲,從而對切割的性能、砂輪片的使用壽命、試樣的組織結構產生較大的影響。Then analytical measurements of the noise were carried out on both of the turbines by means of modern acoustic apparatus and a conclusion has been found that the noise of the concentrated wind energy turbine is lower than the one of the ordinary wind energy turbine and the root of the trouble to cause noise chiefly originates from the turbine blade. besides, the result of analytical measurement also reveals that the power output both of the wind energy turbines will increase with the increase of the wind speed and unfortunately does the noise too. in order to lower the noise, a measures of noise reduction have been advanced that an active method is to develop a wind energy turbine run at a lower rating of wind speed while the passive method is to adopt a board drilled tiny holes, having established a sound technological basis for the development of a kind of wind energy turbine of low noise and high level in the world
主要對濃縮風能型風力發電機在正常運轉時,噪聲產生的機理進行了理論分析研究,並與普通型風力發電機的噪聲進行了對比實驗分析;利用現代聲學測試手段對兩類機型進行測試與分析,得出濃縮風能型風力發電機產生噪聲低於普通型風力發電機和葉輪是風力發電機產生噪聲的主要部件的結論;通過對兩類機型的噪聲、輸出功率的測試,得出隨著風速的增加,兩類風力發電機的輸出功率在增加,產生的噪聲也在增加的結論;提出了進一步降低濃縮風能型風力發電機噪聲的措施,從主動降噪方面,研製低額定轉速的發電機;從被動降噪方面,採用微孔穿板的降噪結構;為研究開發一種國際上低噪聲、高水平的風力發電機打下了良好的技術基礎。4. according to the analyses of underwater acoustic channel and long - range remote control receiving system, we designed the long - range remote control receiver, including a low noise prefix - amplifier, a band pass filter and an auto - gain control circuit. finally, the analog part of the receiver is tested and the frequency response of this receiving system is obtained.
結合對水聲通道特性和遠程遙控接收系統的分析,進行了遠程遙控接收機的設計,包括接收機低噪聲前置放大器的設計、帶通濾波器電路的設計和集成以及自動增益控制電路的設計,最後對接收機模擬電路進行了調試。Ylv motors are the medium size induction motors, which can be used for driving the equipment of petroleum industry, chenisty industry, metallurgy industry and papemaking. etc
Ylv系列低壓大功率三相異步電動機外型美觀,噪聲低、振動小,適用於石油、化工、冶金、水泥、造紙等行業,拖動各種機械設備。Characters including : fuel atomization device replaced by gas sprayer, gas supply controlled by gas flux valve ; separate fuel supply from combustion - supporting air, regulate air supply through changing the electioneering voltage to make the fully burning and improve efficiency and reduce fuel consume ; arts and crafts are simple, the modification of the oil heater ' s configuration is little and the heating power is not below the oil heater ' s level ; because of falling the voltage of electioneering, greatly descend the noise of the sample machine compared with the original
其特點是:以燃氣噴頭替代原機燃油霧化裝置;以燃氣流量控制閥控制燃氣的供給;燃氣的供給與助燃空氣的供給相分離;通過改變主電機的電壓,調整空氣的供給量,使燃燒更加充分完全,並進一步提高了熱效率,降低了燃料消耗;工藝簡單,對原機型改動較小;樣機的加熱功率不小於原機型水平;此外,由於主電機電壓的降低,使樣機的整機噪聲比原機大大下降。The sine wave pulse width modulation ( spwm ) is used to reduce the wastage and the noise of the motor more effectively, as comparing to the equal pulse width modulated pwm
相對于等寬脈寬調制pwm ,正弦波脈寬調制spwm可以有效地降低電動機的損耗和噪聲。Yfp motors are designed direct coupling with the machines, such as pumps and fans, which have the axial load. the motors are featured with low noise and little vibration
Yfp系列直聯式風機水泵用三相異步電動機外型美觀、噪聲低、振動小,適用於能承受一定軸向力的直聯式風機、水泵類等機械。The radio frequency receiver supports interface for instrument and base station and air interface for mobile station, and it takes the task of magnifying low noise and down - convert and digital baseband processor filtering and magnifying intermediate frequency to reverse link signal. the digital baseband processor samples the received signal after down - convert radio frequency signal to intermediate frequency signal and processes other processing and supports interfaces to computer, next sends data to computer. the gps receiver supports interface for instrument and gps system, and receives gps system signal, next it demodulates the correlative information and sends out benchmark clock signal we need
射頻接收部分主要為儀器和基站、移動臺提供空中介面,其主要任務是在反向鏈路上對接收到的射頻調制信號進行低噪聲放大、射頻下變頻變換、中頻濾波放大等;數字基帶部分為對接收信號變頻為中頻后進行a / d采樣,以及其他的rsp處理並和計算機提供介面,將數據送至計算機進行后臺處理、顯示等; gps接收機部分為儀器和gps系統提供介面,接收gps系統信號並解調相關信息,輸出所需的電文及時鐘基準信息等。The test load can be put on samples by the way of mechanical, electric or hydraulic equipment. the hydraulic equipment has been widely used in practice because of the stability and low noise features
靜力試驗可以通過機械、電動和液壓等加載方式完成,其中液壓加載憑借良好的平穩性和運行中的低噪聲,在工程試驗中得到極為廣泛的應用。Y series has the advantages of high efficiency, energy saving, fine operation performance, small vibration, low noise, long service life, high reliablility, convenient maintenance, big breakaway tor que, fixing measurement and power grade completely conform to iec standard. it enploys grade b insulation, ip44 class for shell protection and ic411 cooling mode
系列電動機具有高效、節能、性能好、振動小、噪聲低、壽命長、可靠性高、維護方便、起動轉矩大等優點。安裝尺寸和功率等級完全符合iec標準。採用b級絕緣、外殼防護等級為ip44 ,冷卻方式ic411 。Ylt series three phase asynchronous induction motors are specially designed for the cooling tower, which is with low noise, also are suitable for the low noise air blower
Ylt系列三相異步電動機是我公司專為冷卻塔設計的低噪聲三相異步電動機,也可適用於低噪聲風機上。分享友人