電振動器 的英文怎麼說
中文拼音 [diànzhèndòngqì]
電振動器
英文
electrical vibrator- 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...
- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
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An adaptive wavelet network classifier for vibration fault diagnosis of steam turbine - generation is proposed based on theory of adap tive wavelet network ( awn )
基於自適應小波網路理論,構造了一個應用於汽輪發電機組振動故障診斷與識別的自適應小波網路分類器。The instrument includes a weight suspended in a spring connected to a registering needle which notes the vibration on a strip of celluloid.
這種儀器有一個重錘懸在與記錄針聯接的彈簧下面。記錄針在一條電影膠片上記錄振動。There are over 80 sets test apparatus in tech - innovation centre, including : anechoic chamber, vibration tester, vibration measurement analysis, impact instrument, constant temperature and humidity facilities. salt spary test case, circle insulation withstand voltage tester, insulation resistance tester, withstand voltage tester, electric lead tester, electrical leakage tester, earth resistance tester, chassis dynamometer, chassis dynamometer control system, high stability dc resistance tester, electrical capacity tester, temperature rise test system
中心擁有各類分析測試儀器和試驗裝置80餘臺套,包括:消音室振動臺噪聲振動測試分析系統沖擊儀恆溫恆濕實驗儀鹽霧試驗箱匝間耐壓分析儀絕緣電阻分析儀對地耐壓分析儀泄露電流測試儀對地電阻測試儀測功機測功機控制系統高精度直流電阻測試儀電參數測試儀帶電溫升測試儀復合式三坐標測量儀萬分投影儀及電功測試分析系統等。In the sub block circuit design, the contents that the author had introduced include : the principle of band gap voltage reference and the design technique in low power supply ; the analysis of spike pulse noise rejection, frequency divider and dead time in oscillator and control circuit ; the selection of the width and length ratio of four switches and 2x / 1x mode change point in driver and mode selection circuits
在子電路設計中,作者比較深入分析的內容有:基準電路的原理及低電源電壓下基準電路的設計;振蕩器和控制電路中尖峰脈沖噪聲抑制、兩分頻電路及死區時間設定;驅動及模式選擇電路中開關管的寬長比的選擇及模式轉換點的設計。One is based on vco, and the other is based on frequency divider. the advantages and disadvantages of them are discussed in the thesis. furthermore, a method of realizing dead time changeable circuit is given, which makes the designed driving circuit have more latitude when it is used
此外,論文還設計了兩種驅動信號產生電路,一種基於vco ,另一種基於振蕩器和分頻器,並對比了兩者的優缺點;給出了一種死區時間可變的電路實現方案,使所設計的驅動電路使用時具有更大的靈活性。Based on chaos circuit, this paper discusses two application modes, random rectangle wave oscillator and chaotic inflator and introduces intensively methods and their results of computer
基於混沌電路,論述了兩種應用方式:隨機矩形波發生器和混沌振動器,並詳細介紹了計算機模擬方法和結果。Study on ultra - low frequency vibration sensor by using magnetoelectric speedometer
用磁電式速度計實現超低頻振動傳感器的研究Secondly, through analyzing the failure instance of electrical connectors in using and testing environment, educed contact fault was a main mode of failure of electrical connectors. on natural working conditions, the main reasons which caused fault of electrical connector were contact stress decreasing, microseism wearing and tearing and surface film growing
而在正常的工作條件下,造成電連接器電接觸失效,即決定電連接器工作壽命的主要原因是接觸壓力減小、微動磨損和表面膜層的生長,而影響接觸壓力、微動磨損和表面膜層變化的主要因素是環境振動和溫度。Electric motor in internal concrete vibrators
電機內裝插入式混凝土振動器Piezoelectric actuator in active vibration control for ultra - precision turning machine
超精密機床的壓電作動器隔振系統研究Internal concrete vibrators with eccentric weight driven by electric motor through flexible shaft
電動軟軸偏心插入式混凝土振動器Annual production of 15000 pieces and sets of insert concrete vibrators ( bars ) built in a motor
年產15000臺套電機內裝插入式混凝土振動器(棒) 。Safety of hand - held motor - operated electric tools - part 12 : particular requirements for concrete vibrators internal vibrators
手持式電動工具的安全第12部分:混凝土振動器The production of high frequency quartz crystals, which are used in audio - visual, telecoms and pc devices, commenced last september. monthly production capacity has now topped 3 million pieces which is half of the full design capacity
高頻石英諧振器廣泛應用於影音、電訊及電腦產品上。集團新設立的高頻率石英振動器生產線于去年九月投產,現時每月產量已逾三百萬只,達生產線設計產能五成。Piezoceramics have been used successfully for many years in the field of vibration control, owning to its high forces into the range of kilo - newtons and short reaction times in the order of a few microseconds
壓電材料由於其自身的壓電效應和逆壓電效應而被製作成壓電傳感器和壓電驅動器來對結構的振動進行控制。Two kinds of modeling methods, finite element method ( fem ) and experimental identification methods based on modal analysis theory, are applied to get the models of the dynamic systems. using the finite element model for the composite material structures with piezoceramics embedded and the technique to reduce the number of degrees - of - freedom of fem model, a reduced and appropriate model for online control is also introduced
通過對埋有壓電作動器和壓電傳感器的智能復合材料結構進行有限單元分析,建立起了結構振動的有限單元模型,並介紹了對有限摘要單元模型進行模型降階的方法,使其適合於對結構的振動進行控制。The early studies are mostly focused on the method of gluing piezoceramics on structural surfaces, which has some disadvantages such as difficulties to protect the ceramics and the connection wires, bad coupling with only one surface glued on the base materials, low signal - to - noise ratio etc. these problems can be solved using the embedded piezoceramics, and furthermore, the piezoceramics can be placed in the optimal positions, especially in the optimal deepness for the piezo - actuators, according to an optimization algorithm befor e they are embedded, so the actuator effects and sensor signals are thereby enhanced
早期的研究主要集中在表面粘貼壓電片的結構,表面粘貼壓電片具有一些無法克服的缺點。本文著重進行利用埋入復合材料結構的壓電傳感器和壓電驅動器對其振動進行主動控制的相關理論和實驗研究,並介紹其相應結果。埋入型壓電材料的優點主要是能保護壓電傳感器和作動器及其連線、增強壓電材料和基體材料的耦合、優化埋入壓電陶瓷的深度和厚度可增強壓電傳感器的測量信號並提高信噪比等。At present, its main products include y, y2 series motor, yd series multi - speed motor, yb2 explosion - proof motor, fractional horsepower motor, vibrator and pump
目前主要有y 、 y2系列電機、 yd系列多速電機、 yb2防爆電機、分馬力電機、振動器及水泵等產品。Results show that the bionic flying can be more easily realized when the scaling sizes are decreased, thus making high flapping frequency motion by the resonance, and meeting the power needs of the flapping wing for the electrostatic, the electromagnetic and piezoelectric actuators
分析結果表明,當尺寸減小時,仿生飛行更容易實現:通過共振能實現高頻運動,微靜電、電磁和壓電驅動器都能滿足撲翼系統功率需求。Laminated pvdf actuator and active vibration control of circular cylindrical shell
壓電作動器及圓柱殼的振動主動控制分享友人