unbalance dynamic 中文意思是什麼
unbalance dynamic
解釋
動不平衡-
Rotor dynamic devise is the vital ache on rotating mechanism design. and prefiguring critical speed. calculating unbalance response is the central content
轉子動力學設計是旋轉機械設計中的重要環節，而預計臨界轉速、計算不平衡響應又是其主要內容。 -
After discussing the forces on the typical components of the system and their motions, the dynamic model of the flexible laminated membrane coupling - rotor - bearing system was developed, in which the effects of the misalignment and unbalance of the rotor system were considered
然後對系統中的各典型部件分別進行了受力和運動學分析，同時考慮了轉子的不對中和不平衡因素對系統動力學的影響，建立了膜片聯軸器耦合的轉子?軸承系統的動力學模型。 -
Dynamic voltage restorer ( dvr ) is an important member of custom power family. it can compensate voltage harmonic, fliker, sag, swell, unbalance, and has the advantage of high performance / price, so it is necessary to investigate the theory and operation of dvr
動態電壓恢復器（ dynamicvoltagerestorer ? dvr ）是custompower家族的一個重要成員，它可以補償電壓的跌落、突升以及諧波，具有高性價比的優點。 -
In the book of the theories of international finance and the techniques of quantitative analysis, professor pan guoling proposes a new method of quantitative analysis to solve unbalance of international payments. the article deduces two dynamic equations of net foreign assets and current account by employing the economics and mathematics methods, revealing the relation between the two accounts and the other economic parameters
潘國陵老師在《國際金融理論與數量分析方法》一書中，提出了一種新的解決國際收支和國際債務失衡的數量分析方法，文章運用經濟學和數學方法推導出國外凈資產和經常項目收支動態方程，初步揭示了國外凈資產和經常項目收支與其他經濟變量之間的內在聯系。 -
In this thesis, a multi - disk rotor supported by two plain journal bearings is used for the numerical and experimental studies. the one aim is to analyze the nonlinear dynamic characteristics of the rotor system under different varying parameters ; the methods of online elimination of the oil whip and subharmonic vibration are developed and studied also. besides the expression of the nonlinear oil film force is proposed, so that the unbalance of the nonlinear rotor system may be identified online
作者在總結了前人大量的有關非線性振動研究工作的基礎上，確立了本文的研究目標：一是以工程應用為背景，研究轉子-軸承系統由非線性油膜力引起的非線性振動特性以及各種影響因素，力圖通過對轉子-軸承系統非線性振動特性的分析，找到切實可行的在線消除油膜振蕩的辦法；二是研究非線性油膜力的表達方法式，使非線性轉子系統的不平衡量在線識別成為可能。 -
A balancing mechanism is needed for dynamic allocation of company ' s power. any behavior trying to strengthen or weaken a single department of a company will cause unbalance of the company. theoretically, chinese company act has many limitations
我國目前的治理模式可以概括成大股東權力超強和內部人控制混合模式，存在著許多問題，也造成了中小股東利益得不到保障、內部人掏空公司等現象。 -
So, with the reciprocal mass of this combinational equipment, the dynamic unbalance of the crank has the special status in the field of the unbalance theory
由於有往復質量的影響，曲柄連桿機構不可能達到完全的平衡，有其特殊性，因此其理論在動平衡領域內佔有特殊地位。 -
So, with the reciprocal mass of this combinational equipment, the dynamic unbalance of the crank - connecting rod mechanism has the special status in the field of the unbalance theory
由於有往復質量的影響，曲柄連桿機構不可能達到完全的平衡，有其特殊性，因此其理論在動平衡領域內佔有特殊地位。 -
Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent
本文首先介紹了異步電機的數學模型，在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢量控制的基本原理，採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹，詳細分析了空間矢量脈寬調制策略。本文對異步電機的矢量控制與三電平逆變器之間的介面進行了詳細的研究，包括:參考電壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢量的合成時，選擇只包含p 、 o狀態的空間電壓矢量作為起始矢量，解決了扇區切換時的矢量突變問題。 -
In order to separate the disturbance signal of the external vibration from dynamic balance measuring signal of the precision centrifuge, this paper analyzes the measuring signal of dynamic balance measurement system of the precision centrifuge ( the inertial navigation test equipment ), the rotary center of the rotor acted by the static unbalance and the couple unbalance is studied respectively, the horizontal external vibration from the foundation and the effects of angle vibration on the dynamic measurement are studied respectively
為從精密離心機動平衡測試信號中分離出外界振動的干擾信號，分析了慣導用精密離心機動平衡測試系統的測試信號，研究了靜不平衡與偶不平衡作用下轉子的回轉中心，分析了來自地基水平方向的外界振動及外界角振動對精密離心機動平衡測試的影響。 -
According to dynamic characters of vibration system, the relation between the balance machine vibration and unbalance value is find out, which provide a foundation for the tests method
本文通過研究平衡機機械部分振動系統的動力學特性，得出了平衡機振動系統由於被測工件不平衡的慣性力產生的振動和不平衡慣性力量值之間的關系，為測試方法的建立提供了依據。 -
A multi - sector dynamic model of economic structure unbalance and recessionary
經濟結構失衡與經濟衰退的多部門動力學模型 -
The vibration unit of dynamic balance machine can transfer the information of testing accessory ; the vibration signal proportionates with unbalance force of the accessory. the sensors capture the vibration signals and transmit them into the test system, which can get the value of accessory unbalance
動平衡機的振動系統部分傳遞被測試工件不平衡量信息，振動系統根據工件不平衡慣性力的大小做出相應的反應，產生振動，這個振動信號由傳感器採集後送入測試系統。 -
For ac electric arc furnace is an unbalanced, nonlinear and time variant load that produces unbalance, harmonics and interharmonics related with flicker effect. the modeling of all these aspects requires adopting a nonlinear, asymmetrical and dynamic v - i characteristic for the electric arc
由於交流電弧爐是一種不平衡的、非線性時變負載，它產生與電壓閃變有關的不平衡、諧波和分數諧波，所有這些就需要一種非線性、不對稱的動態u ? i特性的電弧爐模型。 -
This dissertation has presented a new method on the measuring and checking procedures of the dynamic unbalance of the motorcycle crank and made a deep research on its measuring device. what have been done is as follows : firstly, the dissertation has thoroughly discussed the basic theory of rotor unbalance such as its varieties ， characters and rules of the movement which is under the excitation of the inertial force and inertial moment induced by the unbalance mass. it also has deeply expounded the dynamic mechanics of the specially formed components ? crank, especially in the area of the crank integrated with shaft and piston
本論文針對摩托車發動機曲柄連桿機構為研究對象，對曲柄連桿機構動平衡的測試提出了一種新方法，並對其數字化測試裝置進行了深入研究，完成的主要工作及取得的成果如下：首先，對動平衡理論進行了詳細的探討，論述了不平衡產生的原因，不平衡種類及轉子在不平衡量產生的慣性力激勵下的運動規律，並對曲軸這一結構特殊的剛性轉子的平衡理論進行了闡述，重點研究了曲柄連桿機構這一往復式機械構件的力學特性。 -
This dissertation has presented a new method on the measuring and checking procedures of the dynamic unbalance of the motorcycle single - cylinder engine crank - connecting rod mechanism and made a deep research on its measuring device. what have been done is as follows : firstly, the dissertation has thoroughly discussed the basic theory of rotor unbalance such as its varieties, damages, characters and rules of the movement which is under the excitation of the inertial force and inertial moment induced by the unbalance mass. it also has deeply expounded the dynamic mechanics of the specially formed components - crank shaft, especially in the area of the crank - connecting rod mechanism
本論文針對摩托車單缸發動機曲柄連桿機構為研究對象，對曲柄連桿機構動平衡的測試提出了一種新方法，並對其數字化測試裝置進行了深入研究，完成的主要工作及取得的成果如下：首先，對動平衡理論進行了詳細的探討，論述了不平衡產生的原因、危害，不平衡的種類及轉子在不平衡慣性力激勵下的運動規律，並對曲軸這一結構特殊的剛性轉子的平衡理論進行了闡述，重點研究了曲柄連桿機構這一往復式機械構件的力學特性。
分享友人