振動激勵器 的英文怎麼說
中文拼音 [zhèndòngjīlìqì]
振動激勵器
英文
vibration exciter- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 激 : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
- 勵 : Ⅰ動 (勸勉) encourage; exert oneself Ⅱ名詞(姓氏) a surname
- 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...
- 激勵 : 1 (激發鼓勵) encourage; impel; urge; inspire; excite; stimulate; put one on one s mettle 2 [電...
-
The probe ' s linearity, temperature and dynamic characteristics are analyzed base on principal theory of eddy - current displacement sensor, such as the influence of the coil q value to the linearity characteristic, influence of the diameter of coil to the linearity characteristic, influence of coil resistance to the temperature characteristic, influence of the measuring coil to the syntony loop
在介紹渦流位移傳感器的基本理論的基礎上,分析了傳感器探頭線性特性、溫度特性、動態特性的影響因素。從探頭線圈q值對線性特性的影響;探頭直徑對線性的影響;探頭線圈電阻對溫度特性的影響;激勵信號溫度特性的影響:檢測線圈?振迴路動態響應特性等方面分析並提出製作高質量傳感器探頭的改進措施。This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer
用java編程語言編寫的曲線擬合模塊,對輸入的實驗數據進行了最小二乘法的曲線擬合;根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗,並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比,能更準確地確定磁致伸縮換能器的諧振頻率及其電氣網路參數。同時,採用當前比較先進的web技術,實現了基於jsp的磁致伸縮換能器web電氣模擬系統,該系統具有良好的人機界面和資源共享、信息發布功能。A 2dof vehicle structure model with mr damper is established, a sliding model controller is designed, and the real - time control damping force of suspension system is educed
摘要建立了履帶車輛1 / 2車體振動模型,設計了相應的滑移面和滑移模態控制器,得出了履帶車輛半主動懸掛系統的實時控制阻尼力,並對路面激勵下滑模控制與最優控制的減振效果進行了模擬。It utilizes two boltclamped langevin transducers with unanimous frequency characteristic which convert vertical vibration to flexural traveling wave. they are arranged on the place of a elastic pipe to generated traveling - wave. when the traveling - wave propagate, the particles on the elastic pipe traverse an elliptic trajectory, materiel is transported by friction or acoustic streaming
利用兩套頻率特性一致並以縱向振動方式工作的夾心式換能器,通過合理的布局在導管中激勵出行波,使輸送管管壁質點產生橢圓運動,從而利用摩擦或在液體中產生聲流來實現固體及液體的傳送。Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment
在windowsnt系統環境和labview虛擬儀器技術開發平臺下,首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊,設計了一種對實驗所得數據進行曲線擬合的方法,對三種擬合方法進行了比較,曲線擬合結果表明,多項式擬合方法相對于其它兩種擬合方法效果更好;根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路參數;最後通過labview提供的網路功能,實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統,並探討了通過datasocket技術實現該系統網路化的方案。But to circular plate with large surface area, the vibrate modes generated is often so high that there is reverse phases existing, which result in a decrease in radiation impedance, electric - acoustic efficiency and the electric power, as well as poor directivity
然而對于輻射面積較大的彎曲振動圓盤,一般激勵的振動階數比較高,因此存在彎曲振動的反相區,導致換能器的輻射阻抗下降,電聲效率和聲功率降低以及指向性變差等問題。Currently, the large space vehicle ’ s vibration test usually adopted dual - shaker system, the electric current phase synchronous controller is one of the equipments importantly in the system. the existing control equipments make use of tri - tek704d controller, and the current feedback in - phase control method
目前,我國大型航天器環境振動試驗採用多振動臺同步激勵的試驗系統來完成,電流相位/幅值同步控制器是並聯雙振動臺同步控制系統中重要的組成設備之一。The device used transducer as power can gain great amplitude effectively and output great power
採用夾心式換能器作為激勵源能有效地獲得大振幅振動,並提高機電耦合效率。Through acoustic coupling of the transducer and the elastic plate, energy is transferred to the metallic plate, thus, the metallic plate ’ s flexural vibrating mode comes into being and driving force is produced by the legs ’ rectilinear motion
該馬達振子由夾心式換能器和加工有齒的金屬薄板連接而成。夾心式換能器激勵金屬薄板產生彎曲模態的振動,從而通過作斜線軌跡振動的齒產生驅動力。Methods for experimental determination of mechanical mobility - measurements using single - point translation excitation with an attached vibration exciter
機械機動性的實驗測定方法.第2部分:用有附加激振器的單點平移激勵設備進行測量In practical application, the m10 180 bolts, which are installed in the head cover of the torque divider of ts5560 special automobile, sometimes fracture all of a sudden. according to the tests of acceleration, stress and strain, and the exciting test, it is resonance vibration that leads to the compound - bending fatigue fracture of the bolts. the exciting force caused by drive system, transmitted through the torque divider, produces a 1000 - 1500hz cyclical excitation at the junction of the bolts and head cover, which causes the first order bending resonance vibration of the bolts
通過加速度、應力應變測試實驗和激振試驗的研究,發現ts5560特種車分動器取力器氣缸端蓋m10 180螺栓斷裂問題是由於共振引起的雙向彎曲疲勞斷裂:傳動系統工作所產生的激勵,經過分動器結構的傳遞(特別是分動器一階扭轉模態的放大) ,在螺栓的連接處產生1000 1500hz的振動激勵,其導致螺栓一階彎曲共振,在螺栓一階彎曲模態的阻尼比較小的情況下,使得螺栓產生較大的共振響應,導致螺紋處的彎曲動應力較大,疲勞壽命較低。Ultrasonic motors are a new kind of solid actuators that come into being since 1980 ’ s, which use inverse piezoelectric effect of pzt to excite stator ’ s elliptical vibration and produce driving power by frictional coupling
超聲波馬達是上世紀80年代開始發展起來的一種新型驅動器,它是利用壓電陶瓷的逆壓電效應激勵出定子表面質點的橢圓軌跡振動,依靠摩擦耦合來實現驅動。On the aspect of errors analysis of hrg, a brief introduction of the close - loop detection theory of hrg is present first. later the expressions of close - loop detection errors are deduced in theory. the impact of stimulating signals, turning speed, outside appended oscillation, the location & area of electrodes, and the current loss in capacitor is considered, and the primary analysis of error compensation is given
在半球諧振陀螺誤差分析方面,本文從半球諧振陀螺的閉環檢測原理出發,對半球諧振陀螺閉環檢測誤差進行了分析和推導,考慮了激勵信號、轉動速率、外界附加振蕩、電極位置及極板面積和電容傳感器等因素造成的陀螺誤差並對誤差補償進行初步分析。Second, numerical simulation and qualitative analysis has been done for the synthetic jet flow field in different cases ( different phase, amplitude and frequency ), and gained many conclusions which are helpful for designing the synthetic jet actuator
二、對不同驅動頻率,振動膜速度幅值以及激勵器的結構對合成射流的影響分別進行數值計算和定性分析,得到了大量有助於合成射流激勵器設計的結論。We apply fuzzy control theory to active control over engine body vibration, design fuzzy control system which combines intelligent control with feedback control. this control strategy mends the flaw of complexity, nonlinear and uncertainty when we use traditional control method. by measuring rotate speed and vibration speed of i. c
在主動控制的基礎上,採用了模糊控制的演算法,設計了內燃機整機振動模糊控制器,改進了傳統控制方法在處理振動復雜性、非線性和不確定性等方面的缺陷,通過測量內燃機轉速和內燃機整機振動速度信號,動態地改變動力減振器的剛度,使減振器的固有頻率跟隨內燃機整機振動激勵頻率的變化,達到降低內燃機振動的目的。Based on giant magnetostrictive actuator, does a experiment of active vibration control about direct disturb, and the results show that the giant magnetostrictive actuator can satisfy the need of active vibration control
在上述基礎上對直接激勵干擾下的系統振動進行了控制以及對系統階躍激勵的控制,結果顯示此超磁致伸縮執行器可以達到進行主動振動控制的要求。The stiffness of ems is controllable, and taking it as the kernel, an emdva which natural frequency can adjust according to the frequency of the excitation force is designed. the emdva can adjust its natural frequency to keep up with the frequency of the excitation force acted on the main mass, reach in the almost perfect status of dynamic harmonization absorption and obtain satisfactory absorption effect
該電磁彈簧的剛度值是可控的,以此電磁彈簧為核心,設計了一種固有頻率可實時調整的電磁式動力吸振器,該動力吸振器能夠調節其固有頻率與作用在主質量上的激勵力的頻率保持一致,從而達到接近理想的動力調諧吸振狀態,獲得滿意的吸振效果。The noise of such structures root in the shell vibration that drove by the inner engine, when coupled with the liquid medium, the noise will affect the performance of the vessels badly
這些航行器的結構噪聲來源於內部機械激勵殼體振動,並帶動周圍流體介質振動產生聲輻射,它嚴重影響了水下航行器的整體性能。Abstract : since piezoelectric resonant filter can not effectively prohibit higher - frequency harmonic, the mechanism of this problem has been discussed by means of a specific example which shows that there exists lots of undesirable resonant frequencies of piezoelectric that would let pass undesirable signals. to solve this problem , an ameliorated electrostatic mechanical resonant filter is proposed and a specific case is demonstrated. the example of electrostatic resonant micro - bridge asserts that by adjusting the gap of exciting capacitance the higher - frequency vibrating model of micro - bridge cannot be excited based on orthogonal character of intrinsic vibrating shape of micro - bridge, so that this kind of resonant filter can effectively filter out undesirable higher - frequency harmonic
文摘:提出壓電諧振濾波器不能很好地濾除高頻諧波的問題,結合一個具體例子理論推導了壓電諧振濾波器存在許多干擾諧振頻率,從而不能有效濾除一些特定頻率的干擾信號.為了解決這個問題,提出一種改進型的靜電激勵諧振濾波器.為了說明其可行性,具體分析了改進型雙端固支微梁靜電激勵諧振濾波器,理論推導證實基於雙端固支微梁的各階振型正交的原理,通過適當調整激振電容的間距,雙端固支微梁的高階振動模態受到很好的抑制,因此這種諧振濾波器可以有效阻止濾波器中心頻率的高頻諧波的通過Since piezoelectric resonant filter can not effectively prohibit higher - frequency harmonic, the mechanism of this problem has been discussed by means of a specific example which shows that there exists lots of undesirable resonant frequencies of piezoelectric that would let pass undesirable signals. to solve this problem , an ameliorated electrostatic mechanical resonant filter is proposed and a specific case is demonstrated. the example of electrostatic resonant micro - bridge asserts that by adjusting the gap of exciting capacitance the higher - frequency vibrating model of micro - bridge cannot be excited based on orthogonal character of intrinsic vibrating shape of micro - bridge, so that this kind of resonant filter can effectively filter out undesirable higher - frequency harmonic
提出壓電諧振濾波器不能很好地濾除高頻諧波的問題,結合一個具體例子理論推導了壓電諧振濾波器存在許多干擾諧振頻率,從而不能有效濾除一些特定頻率的干擾信號.為了解決這個問題,提出一種改進型的靜電激勵諧振濾波器.為了說明其可行性,具體分析了改進型雙端固支微梁靜電激勵諧振濾波器,理論推導證實基於雙端固支微梁的各階振型正交的原理,通過適當調整激振電容的間距,雙端固支微梁的高階振動模態受到很好的抑制,因此這種諧振濾波器可以有效阻止濾波器中心頻率的高頻諧波的通過分享友人