機電耦合系數 的英文怎麼說
中文拼音 [jīdiànǒugěxìshǔ]
機電耦合系數
英文
electro-mechanicalcouplingfactor- 機 : machineengine
- 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...
- 耦 : Ⅰ動詞[書面語] (兩人並耕) plough side by sideⅡ名詞1 (古農具名) plough2 [書面語] (兩人一組) a...
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 機電 : electromechanical機電設備 electromechanical equipment; electromechanical device
- 耦合 : [物理學] coupling; interconnection; catena; linkage; linking
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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The relations between piezoelectric characteristic such as piezoelectric constant, electromechanical coupling coefficient, mechanical quality factor, etc. and its components, granular diameter and manufacturing technology were studied
研究壓電材料壓電常數、機電耦合系數、機械品質因數等特性與其組份、顆粒直徑及製作工藝過程之間的關系。So it can be used as both sensor component and driving component. pzt have better electromechanical coupling coefficient, piezoelectric constant, mechanical quality factor, curie temperature and stability, etc. so, pzt can be used widely in smart materials and structure
與其它壓電陶瓷相比,鋯鈦酸壓電陶瓷( pzt )有較好的機電耦合系數、壓電常數、機械品質因數、居里溫度和穩定性等,因此, pzt能廣泛應用於智能材料結構中。But there is a main question that pvdf does not be in p phase with higher piezoelectric property, but be in other phases with lower or without piezoelectric property, thus, which can not improve distinctly piezoelectric constant d33, reduce notably dielectric spoilage ( tg5 ) and raise remarkably mechanical coupling factor ( kp ) of 0 - 3 pzt / pvdf piezoelectric composite, so these will restrict its development and application. in this paper, 0 - 3 pzt / pvdf piezoelectric composite will be prepared by room pressing - solidity, high - temperature - pressing and room - pressing techniques respectively
由於這個壓電復合材料體系存在一個主要問題? pvdf在0 ? 3型pzt / pvdf壓電復合材料中通常不是以具有較強壓電性的相晶態形式呈現,多是以其它的相態存在,不能有效地提高0 ? 3型pzt / pvdf壓電復合材料的壓電常數d _ ( 33 ) 、降低介電損耗tg和增大機電耦合系數kp等壓電和介電性能,從而嚴重地制約它的發展和應用。Because this transducer not only has a firm structure and uses the longitudinal mechanic - electricity coupling coefficient of piezoelectric crystals, but also can be easily made, it has very good electricity - sound ability
由於製作工藝簡單,結構堅固,且又利用壓電陶瓷的縱向機電耦合系數,因此具有良好的電聲性能。This thesis mainly introduce designing ~ debugging ~ doing experiment and analyzing result of experiment, the following concretely introduce content of thesis. firstly, according to purpose of designing and making mechatronics coupling experiment bench, demonstrate project of experiment bench, establish mathematics model of experiment bench, which consist of mechanism transmission systems servo amplifier and servo motor
本論文主要介紹機電參數耦合實驗臺的設計、調試、實驗及其實驗結果分析,具體內容如下:首先,從研製機電參數耦合實驗臺的目的出發,論證實驗臺的設計方案,建立實驗臺的數學模型,包括機械傳動系統、伺服放大器和伺服電機。Based on the traditional model of vibrat ory machines , an electrome chanical - coupled model of motor - vibrator y machine system is established, and a reasonable quantitative expla ining of engineering phenomena in transi ent processes is given by digital simula tion according to it. the, mechanism of self - synchronous vibration, and vibratory synchronization transmissi on is proposed in this paper
本文對此進行了專門的研究,在傳統的振動機械模型基礎上建立了電機-振動機械繫統的機電耦合模型,利用該模型進行數值模擬對過渡過程中的一系列實際現象做出了合理的定量解釋,揭示了自同步振動和振動同步傳動的機電耦合機理。The circuit is used in high resolution resistance measuring. the coupled chaotic circuit array composed of this circuit is researched by computer simulation and circuit experiment. results show that, it is feasible to improve the stability of orders of chaotic systems and reduce noise in measuring by coupling
最後,對以這種單電源驅動的混沌電路為基本單元所構成的耦合混沌陣列在提高系統輸出的穩定性和抑制噪聲作用方面,進行了計算機模擬研究和實際的電路實驗研究,結果顯示通過耦合的方式,可以將信號檢測的精度提高近一個數量級。Tantalum lithium ( litao3 ), a novel single crystal material, developed and industrialized with the development of communication and information industries recently, owns the excellent performances such as high mechanical - electrical coupling coefficient, lower wear - resistance, excellent high - temperature stability, excellent high - frequency capability, etc. however, researches on tantalum lithium single crystal wafer around world are still lacking
鉭酸鋰是近年來隨著通訊、信息產業迅速發展而開發並產業化的新型光電子材料。它具有機電耦合系數大、低損耗、高溫穩定性、高頻性能好等優良的壓電、電光和熱電性能。Electro - mechanical coupling factor
機電耦合系數The influence that the zr / ti ratios have on the ceramic crystal structure and its properties are studied through the research carried out about the relative respects of the fabricated samples. the increase of zr / ti ratio can result in the crystal structure transformation from the tetragonal to the rhombohedral, it can also induce the weakness in the stability of the ceramic crystal structure, for example, the drop in the curie temperature. in order to enhance the relative low mechanical quality factor of pzn - pzt system piezoceramics, component addition pb ( mn1 / 3sb2 / 3 ) o3 ( hereafter abbreviated as pms ) are introduced in to form a new psudo - tetragonal system ceramics
為獲得具有高的機電耦合系數kp ,高的機械品質因數qm的高性能壓電陶瓷,採用二次合成法制備了不同zr ti比的鈮鋅酸鉛-鋯鈦酸鉛基( pzn - pzt )三元系壓電陶瓷材料,研究了zr ti比變化對陶瓷結構和性能的影響規律,發現zr ti比增大除了可以使陶瓷的相結構由四方相向三方相轉化外,還降低了陶瓷的結構的穩定性,使tc溫度下降。The model from the input to the output of the piezoelectric traveling wave ultrasonic motor is established by synthetically using lagrange - maxwell equation, hertz elastic contact theory and coulomb friction theory, along with considering electromechanical coupling, influence of the interface force between the stator and rotor of the motor on the amplitude of the traveling wave inside the stator and dynamic contact friction friction force
利用拉格朗日?麥克斯韋方程以及赫茲彈性接觸理論,庫侖摩擦理論,考慮機電耦合效應,定、轉子間界面力對彎曲行波的影響及其動態接觸摩擦力,建立了壓電行波超聲波馬達從輸入到輸出的機電耦聯系統的數學模型。In the aspect of saw devices, for zno has high coupling factor, and aln has high saw velocity, if zno thin film was deposited on aln thin film, the multiplayer film has not only high coupling factor, but also has high saw velocity, which was suitable for saw of high frequency
在聲表面波器件應用方面,由於zno具有很大的機電耦合系數,而aln的聲表面波傳播速度較高,因此若zno和aln相結合,則不僅具有大的機電耦合系數,而且具有很高的聲表面波速度,這非常適合於製造高頻聲表面波器件。For gantry - moving type machining center servo system, in order to restrain the machine coupling influencing dual motors system, an adaptive decoupling control technology is first presented in this paper, and through feedforward decoupling ; the dual linear motors controller ' s parameters will be modified by the feedback. the synchronous control caused by the feedback resulting from the adaptive control law will keep synchronism with dual motors in position for realized synchrodrive
針對龍門移動式鏜銑加工中心伺服系統,為了克服因兩個龍門立柱運動狀態差異形成的機械耦合對雙電機系統的影響,本文採用自適應解耦控制技術,先通過前饋解耦,再經過自適應律產生的反饋作用來修改雙直線電機控制器的參數,產生同步控制量,使雙電機在位置上保持一致,從而實現了雙電機的同步傳動。According to the test conditions, the double polarity inputting mode is adopted in the circuit of voltage - frequency converting part ; storage batteries are used in the optical emission part of optical fibre isolating and transmitting device, that can guarantee isolation between the main circuit and the testing system ; the 89c51 singlechip is used in the singlechip testing - controlling unit, the peripheral circuits are extended, data are transmitted through the serial port in this part ; the p opular software delphi5. 0 is used in the pc part, the communication between singlechip and pc by serial port, plotting of current wave, regulation of data ; the optical - electrical isolating and triggering are used in the controlling part, this can guarantee the veracity and reliability of breakers triggered, this triggering mode is also used in the triggering of the main closing breaker, the tested breaker and the assistant breaker, the triggering signals are sent out by a singlechip
壓頻轉換部分電路中根據實際情況採用了雙極性輸入方式;光纖隔離傳輸裝置的光發射部分電源採用了蓄電池供電,確保了主迴路與測試迴路的完全隔離;單片機測控部分採用了89c51單片機,擴充了外圍電路,通過串口向pc機傳送數據; pc機與單片機之間的串口通訊、波形繪制、數據管理等都採用了軟體delphi5 . 0編寫。該測試系統中預留了輸出口,可以對合成迴路中的主合閘開關、被試開關、輔助開關進行觸發,信號由單片機發出,控制部分採用了光電耦合隔離觸發的方法。軟體設計主要集中在對電流信號的數據採集、數據處理、數據傳送、人機界面、波形繪制和數據管理,軟體部分又可分為單片機和pc機程序設計兩大部分。Electrorheological fluids ( erf ) consists of a suspension of high dielectric particles in a liquid of low dielectric constant. with the action of the applied electric field, particles interact with each other. the viscosity of erf increases dramatically and the erf turns into solid
電流變液是由高介電常數、低電導率的電介質顆粒分散於低介電常數的絕緣液體中形成的懸浮體系,具有通過調節電場強度改變表觀粘度和屈服應力的機電耦合特性。The giant magnetostrictive material is a new type of magneto - mechanical energy conversion material. it has giant magnetostrictive strain, high power density, high electromechanical coupling coefficient, high response speed and high force output
超磁致伸縮材料是一種新型的磁?機械轉換材料,具有磁致伸縮系數大,能量密度高,機電耦合系數大,響應速度快等優點。Has been recognized as an ideal substrate material for the rf surface acoustic wave ( saw ) filter, a key component within wireless communication devices as mobile phones. its stability and size make it the preferred option among other piezoelectric materials
為適用於高頻表面聲波濾波器( rfsawfilter )小型化的理想基材,由於具備適中的機電耦合系數且溫度系數低,已被廣泛應用在移動式高頻無線通訊器材,尤其是手機里的關鍵材料。In order to coordinate course of designing mechatronics system and mechatronics servo system, design and make mechatronics parameter coupling experiment bench
機電參數耦合實驗臺是配合機電工程專業的機電系統設計課和機電伺服系統課的教學而研製開發的綜合性實驗臺。Based on the electromechanical coupling characteristic of the multi - machine power system, the transitive closure is calculated depending on the synchronization torque coefficient matrix. then a proper threshold value is chosen to achieve the reasonable block decoupling of multi - machine power system. eigenvalues of block - decoupling subsystem are calculated respectively
該方法根據多機電力系統的機電耦合特性,在多機系統同步力矩系數矩陣的基礎上,求取傳遞閉包,通過選擇適當的閾值水平,實現多機系統的合理分塊解耦;對各分塊解耦子系統分別計算特徵值,各子系統的特徵值的集合可以近似作為原多機系統的特徵值。The principle and realization of auto - coupling system for single - mode pof and silica fiber is introduced in this paper. in this system, from analyzing the feedback data of optical power and picture, two fibers can be accurately coupled
在耦合系統中,上位機控制部分利用光功率計和採集圖像的反饋數據,根據一定演算法對該數據進行分析,從而驅動步進電機,使兩光纖達到精確耦合。分享友人