磁性阻尼器 的英文怎麼說
中文拼音 [cíxìngzǔníqì]
磁性阻尼器
英文
magnetic damper- 磁 : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 阻 : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
- 尼 : 名詞(尼姑) buddhist nun
- 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
- 磁性 : [物理學] magnetism; magnetic; magnetic performance; magnetic property
-
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。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。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。In order to understand the effect of alternating magnetic field on the dynamic performance of a disk - type magnetorheological ( mr ) fluid damper based on shear operation, the dynamic character of a flexible rotor supported on the disk - type mr fluid damper was experimentally studied under sinusoidal magnetic field
摘要為了掌握交變磁場對基於剪切方式的盤型磁流變( mr )流體阻尼器動力特性的影響,試驗研究了正弦磁場下支承在盤型磁流變流體阻尼器上的柔性轉子系統的動力特性。This paper presents an adaptive control for the semi - active suspension using the combination of mr damper and feedback neural networks. analyzing the mr damper, a smart actuator, chapter 3 gives the design of pre - amplifier of current, which provides the external magnetic field. and it discusses the additional nonlinear stiffness resulted from the transition of mr fluid from liquid to semi - solid or solid
在分析新型智能材料用做作動器的磁流變阻尼器特性的基礎上,本文給出阻尼器線圈的前置電流放大電路,並討論了因磁流變液體固液態之間的可逆變化而產生的懸架系附加非線性剛度。Against the status of large scale ultra low frequency air spring vibration isolation platform, which is low damping and poor performance of low frequency, and after analyzing the existing key damping system, a new type differential electromagnetic damping system ( emds ) is developed in this article in order to reduce the resonance peak of the platform effectively and improve the low frequency performance of the platform
本文針對大型超低頻空氣彈簧隔振平臺阻尼小、低頻隔振性能較差的現狀,在比較多種提供阻尼力的方法后,提出了用電磁力作為隔振平臺的阻尼力,並開發研製了差動式電磁阻尼器系統。該系統可以有效降低隔振平臺的諧振峰值,從而達到了提高隔振平臺低頻性能的目的。The devices based on mrf include shock absorbers, brakes, clutches, polishing devices, hydraulic valves, etc
磁流變液的快速流變性能使其廣泛用於製造減振阻尼器、制動器、離合器、拋光裝置和液壓閥等。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。Consequently, the suspension with mr damper not only increases ride comfort, but also guarantees the controlling stability of vehicle
因此,基於磁流變阻尼器的半主動懸架在改善行駛平順性的同時,能夠保證車輛的操縱穩定性。By designing a good damping structure, we finished the spin test at the speed of 67000 successfully. 2. we introduced a new kind of vibration controlling technique - cpmd
介紹了一種新型的振動控制裝置? ?可控被動式電磁阻尼器的工作原理,抑振特性及其對轉子系統的影響。The passive electromagnetic damper is applied to an experimental rotor and a very good vibration suppression result is achieved. because of its simplicity and reliability it may be used in industry
在此基礎上,進一步進行了被動式電磁阻尼器用於單盤轉子系統振動控制的實驗研究,用實驗得到的數據和頻譜曲線對實驗系統的有效和可靠性加以驗證。On the basis of analyzing mechanism of magneto - rheology, some models used to characterize mr effect have been summed up in the second chapter. the reasons, which influence mr effect and sedimentary stability of mr fluids, etc. are analyzed according to models above - mentioned. the mr fluids used to develop automotive mr dampers in this dissertation have been comprehensively tested for the damper design purpose by means of the magnetorheology - meter offered by < wp = 7 > department of engineering mechanics of chongqing university
介紹了磁流變效應的流變機理和磁流變效應的模型描述,並利用描述模型分析了影響流變學性能的各種因素,提出了用於汽車磁流變阻尼器的磁流變體的性能要求;介紹了磁流變體的性能測試原理,利用重慶大學力學系研製的磁流變測試儀器對八種磁流變體的bingham模型參數進行測試,為磁流變阻尼器設計計算提供材料參數和結構設計中的技術問題處理提供依據。Magnetorheological dampers are semi - active control devices, which have the virtue of quick response, excellent stability and continually changing their state, and are a promising type of devices on structure vibration reduction
磁流變液體阻尼器作為一種用於半主動控制的作動器,具有響應快、穩定性好且能連續可調的優點,成為結構減振控制中新一代的控制元件。This paper studies on the control strategy using magnetorheological dampers based on the resilience model ou jinping suggested, then set up the mathematics model for improved control strategy that utilize the dampers " character sufficiently, and also give a simple method to solve the problem
本文基於歐進萍給出的恢復力模型,對控制策略進行了研究,充分利用磁流變液體阻尼器能連續可調的特性,建立起改進控制策略的數學模型,同時還給出了一種簡化的求解方法。分享友人