磁性阻尼 的英文怎麼說
中文拼音 [cíxìngzǔní]
磁性阻尼
英文
magnetic damping-
Magnetic hysteresis is the intrinsic characteristic of mr dampers, which will have more serious effect on the performance of mr dampers
本文對mr阻尼器的固有特性磁滯效應對控制效果的影響進行了研究。Several semi - active control algorithms used in the semi - active suspension system with mr dampers are proposed and developed including the " on - off " voltage controller, the continuously linear variable voltage controller, the modulated continuously linear variable voltage controller based on " sky - hook " damping concept and the hybrid controller based on the combination of " sky - hook " damping concept and " ground - hook " damping concept and the fuzzy logic controllers using measurements of the relative displacement between the sprung and unsprung mass or the absolute acceleration of the sprung mass as the input variables of fuzzy logic controllers. the simulation models were prepared in matlab ? simulink ? fuzzy toolbox programs. the experiment setup of the semi - active suspension system with mr dampers in the lab has been designed and developed
根據磁流變阻尼器特性和對懸架系統動力學特性的規律性研究，為磁流變阻尼器設計了基於「天棚」阻尼控制概念的「 on - off 」 、線性連續和修正的線性連續控制策略，基於「地棚」阻尼控制概念的磁流變阻尼線性連續控制策略， 「天棚」阻尼和「地棚」阻尼控制概念線性組合起來的磁流變阻尼混合控制策略，根據模糊控制原理設計了以簧載質量和非簧載質量間相對位移或簧載質量加速度分別作為輸入變量的模糊邏輯控制器用於磁流變阻尼半主動懸架的智能控制。The results show good effect of semi - active car suspension with mr damper and verify feasibility and advantage of mr damper in car suspension control and in the mean time provide a good future for the development of car absorption of vibration technology
本文研究證明了磁流變阻尼器在汽車半主動懸架控制系統中良好的減振控制特性，為汽車減振技術的進一步發展提供了很好的前景。Compared with the passive car suspension, the semi - active car suspension system with the intelligent mr damper can control the damping force automatically with the computer control and then enhance the ride comfort and handling stability of the car effectively
與傳統的汽車被動懸架系統相比，裝有磁流變阻尼器的半主動懸架系統，可以根據路面狀況和車輛運行狀態，在計算機的控制下自動調節阻尼力，大大提高了汽車乘坐的舒適性和行駛安全性。Keeping the self - adjusting of damping behavior when the controllability of semi - active damping is disable, or saving the unnecessary energy when the continuous modulation of damping is not needed, the composite structure for self - shifting between passive and semi - active structure is presented
摘要當磁流變減振器半主動功能失效時，為保持其阻尼性能仍具一定的自調節性或實際路況不需無級調節時，節省不必要的能耗，提出用於車輛半主動懸掛系統的被動與半主動功能自動切換的復合結構磁流變減振器。Based on the special property of magnetic fluid ( mf ), we fill the magnetic fluid into the working clearances of the servo valve torque motor. one side, the magnetized magnetic fluid can exert a damping torque on the torque motor armature and reduce vibration of the armature ; on the other side, it can improve the magnetic circuit efficiency of the torque motor because of the magnetic fluid ’ s larger magnetic permeability
基於磁流體所具有的特殊性質，將磁流體添加到伺服閥力矩馬達的工作間隙中，一方面磁流體被磁化后可增大銜鐵的阻尼力，減少振動;另一方面由於力矩馬達氣隙中磁導率的提高，使氣隙中的磁通量增大，力矩馬達的磁路效率和輸出扭矩將增大，因此可以提高力矩馬達的固有頻率和伺服閥的響應速度。By using the larger magnetic permeability, magnetic fluid was used to improve the magnetic circuit efficiency in torque motor, enlarge the output torque and displacement of torque motor, and the output flow of servo valve. correspondingly, the ability of noise - overcoming and system damping was enhanced due to the property of magnetic fluid. as a result, the stability of servo valve and servo - control system can be improved
由於磁流體具有較大的導磁率，可提高力矩馬達磁路效率、增大力矩馬達的輸出力矩和位移，從而增加伺服閥的輸出流量;同時，利用磁流體的粘度特性，可增強力矩馬達阻尼及抗干擾能力，從而增強伺服閥及伺服控制系統的穩定性。According to the direction and damping characteristic of the torque produced by the magnetorquers, the three axis attitude control schemes of gravity gradient satellite and other satellite with damper is presented. the control coefficients are determined by the dynamic characteristics of geomagnetic intensity, so the attitude control precision is improved
根據磁力矩在地磁場中的定向阻尼特性，提出了磁控重力梯度衛星和攜帶阻尼器的非重力梯度姿態控制規律，根據地磁場強度變化規律選擇控制系數，提高衛星的姿態控制精度。According to the working modes of mr devices, combining the ohm ' s law of magnetic circuit and the design theory of non - steady magnetic circuit, magnetic structures of the automotive damper have been worked out. to emulate the performance of conventional shock absorber, two automotive mr dampers were designed and fabricated at chongqing university. an applied magnetic field increase the yield stress of mr fluids in flow annular passages, which alters the velocity profile of mr fluid in the passages and raise the pressure gradient between low cavity and high one at some given flow rates
根據磁流變阻尼器工作模式，利用磁路中的歐姆定律和動態磁路設計原理，結合汽車懸架的技術要求和結構特點，提出了基於剪切模式和流動模式共同作用（混合工作模式）的汽車磁流變阻尼器設計原理，討論了阻尼器動態磁路設計中的若干技術問題；根據流體力學navier - stokes方程，分別利用newton流體特性和bingham流體特性，推導了基於平板模型和軸對稱模型的流變學方程，得出了阻尼器阻尼力的計算方法。Electromagnetic compatibility - part 4 - 10 : testing and measurement techniques - damped oscillatory magnetic field immunity test
電磁兼容性.第4 - 10部分:試驗和測量技術.阻尼振蕩磁場抗擾性試驗Emc electromagnetic compatibility - testing and measurement techniques - damped oscillatory magnetic field immunity test - basic emc publication
電磁兼容性.第4部分:試驗和測量方法.第10節:阻尼振蕩磁場抗擾試驗.基本電磁兼容性Emc electromagnetic compatibility ; part 4 : testing and measurement techniques ; section 10 : damped oscillatory magnetic field immunity test ; basic emc publication
電磁兼容性.第4部分:試驗和測量方法.第10節:阻尼振蕩磁場抗擾試驗.基本電磁兼容性Analysis software. the analysis show : the gyroscope effect to the flywheel rotor ' s and the shaft ' s vibration character under high rotate speed should be considered. at this time, the system ' s normal frequency is the function of rotate speed ; the amplitude passing through the resonance field can be lowered obviously by improving the effective damping of the electro - magnetic bearing
建立了高速旋轉狀態下，採用磁軸承作支撐的飛輪轉子和轉軸的動力學模型，給出了有限元法在此問題中的具體應用，並利用i - deas有限元分析軟體具體分析了飛輪系統的共振頻率、系統振型，以及對偏心激勵的響應，分析表明：對于高速旋轉的飛輪轉子和轉軸，應考慮陀螺效應對其動力學特性的影響，此時系統的固有頻率是轉速的函數；通過提高磁軸承的等效阻尼可顯著降低系統通過共振區域時的振幅。In the forth chapter, the performances of mr dampers designed and fabricated at chongqing university have been tested in national center for test and supervision of coach quality, including schematics of damping force vs. displacement of piston head, damping force vs. velocity of piston head, etc. for some given electric currents of the coil. the experimental results demonstrate that damping force offered by mr damper consists of background damping generated by resistance of mr fluid and damping caused by magnetic field
對不同勵磁電流條件下的理論阻尼力與測試阻尼力進行了比較，分析了產生誤差的主要原因；對阻尼器產生溫度效應產生的主要原因進行了分析，提出了應該提高磁流變體的溫度穩定性；推導了磁流變體的感性和容性流動方程，從理論上分析了磁流變體的感性和容性對阻尼器特性的影響。Results show that the magnetic field frequency has significant effect on the dynamic performance of the disk - type mr fluid damper
結果發現，磁場的頻率對盤型磁流變流體阻尼器的動力特性有著顯著的影響。The dynamic character of the rotor system is the same as that without magnetic field when the magnetic field frequency is over a critical frequency, and the sinusoidal magnetic field cannot control the dynamic performance of the disk type mr fluid damper
當磁場的頻率高於一個臨界頻率后，轉子系統的動力特性與無磁場時的動力特性相同，正弦磁場不能夠控制磁流變流體阻尼器的動力特性。This dissertation also presents the equivalent stiffness and damping models and the nonlinear hysteresis and saturation model of a kind of the mr damper developed by the experimental testing and modeling in order to describe accurately characteristics of the mr damper
建立了磁流變阻尼器的等效剛度和等效粘性阻尼系數與施加電壓、激振頻率和振幅的關系以及能精確表示磁流變阻尼器的力學特性的非線性滯回模型。As the lightest constructional material, magnesium alloy has high specific strength, high specific stiffness, good magnetic - shielding ability, good damping ability, and good machinability
鎂合金是比重最輕的結構材料，具有高的比強度、比剛度和良好的磁屏蔽性、阻尼性、切削加工性等優點。The article introduces about the bridge semi - active algorithm ’ s present state and perspectives of ordinary viscoelasticity damp system and the magnetorheological damp system, and selects one standard test question, gives to the damp model with the procedure to realize
文章詳細介紹了關于橋梁半主動演算法的普通粘彈性阻尼系統和磁流變阻尼系統研究現狀，並且選用了一個標準的測試問題，對阻尼模型用程序予以實現。Magnetic fluid is a magnetic liquid shows a higher saturation when it is exposed to a magnetic field. using its magnetization, damping and lubricating property, the applications of magnetic fluid are extensive
磁流體是一種在外加磁場作用下具有較大磁化強度的磁性液體，利用其磁化、阻尼和潤滑特性的應用日趨廣泛。分享友人