液力阻尼器 的英文怎麼說
中文拼音 [yèlìzǔníqì]
液力阻尼器
英文
hydraulic retarder-
The motion of plunger of oleo damper excited by colored gaussian noise with exponential correlation time is governed by first order nonlinear differential equation
摘要油液阻尼器受指數型高斯色噪聲外激勵時，活塞在油腔內的運動可用一階非線性動力學方程描述。While adopts bang - bang control to realize semi - active control of vehicle suspension system equipped with electrorheologic damper, the coulomb damping force of electrorheologic damper is fixed, as the bang - bang control is two - value control actually. the bang - bang control cannot make full use of performances of the electrorheologic fluids
由於開關控制是一種二值控制，採用開關控制策略實現對電流變液阻尼器半主動控制懸架系統的控制時，電流變液阻尼器輸出的庫侖阻尼力無法連續變化，不能充分發揮電流變液的特性。In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards
論文第三章針對組成系統的各個模塊進行了機理建模，並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究，主要針對影響系統特性的主要參數變化，動態分析系統的輸出特性，在上下行工況中，分析了電機軸系粘性阻尼系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響；最後對軸向柱塞泵馬達的流量壓力脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。2. prepare the self - adaptive damper which consists of piezoelectric ceramic and er fluids. the experiment show that the resonant peak of the self - adaptive damper minish more than 30 % compared with the damper whose electrostatic field built by piezoelectric ceramic did not charge up er fluids
結果表明，前者相對於後者，阻尼器共振峰被壓抑了60以上，從而證實了壓電陶瓷在外壓力作用下產生的靜電場可以驅動電流變液； 2In order to set up the dynamic model of swimming micro robot, this dissertation builds up the statics model and analyses the micro motion amplifying performance of micro robot mechanism, builds up the vibration model of micro robot and analyses the vibrating performance without and with damp, researches the propelling force of driven wing and the resistance of micro robot in liquid based on the theory of flat board resisting stream, builds up the dynamic model of swimming micro robot for the first time in nation and analyses its swimming performance which is influenced by driving signal frequency, amplifying performance of main machanism, area of driven wing, character of fluid and so on. this dissertation manufactures the micro robot and sets up the experimental environment and tests the amplifying effect and the vibrating performance
本文建立了主體機構靜力學模型，研究了主體機構的結構參數對微位移放大性能的影響；建立了主體機構振動模型，研究了主體機構在無液體阻尼和有液體阻尼情況下的振動特性；根據流體力學平板繞流理論，研究了驅動翼產生的推進力和微機器人在流體中受到的阻力；在此基礎上國內首次建立了泳動微機器人的動力學模型，並對模型進行了深入的研究，詳細闡明了驅動信號頻率、主體機構放大性能、主體機構振動特性、驅動翼面積、液體性質等因素對微機器人泳動特性的影響。Constantinou, m. c., t. t. soong, g. f. dargush, ” passive energy dissipation systems for structural design and retrofit ”, mceer monograph, multidisciplinary center for earthquake engineering research, buffalo, new york, ( 1998 )
張士賢，樓房結構加裝線性液流阻尼器之動力行為探討，碩士論文，國立成功大學土木工程研究所，臺南（ 2001 ） 。The main contributions of the dissertation are as follows : on the basis of experimental results, the operational effects, such as the magnitude of magnetic field, the temperature and the rate of shear strain, on the shear stress of the mr fluid are shown and models of the quasi - bingham model and a nonlinear model for the shear stress of the mr fluid also are developed, in which the characteristic of " shear - thin " of the mr fluid is described
論文的主要貢獻如下：通過測試磁流變液剪切應力與磁感強度、剪切應變速率、溫度的變化規律，建立了能反映磁流變液剪切變稀現象的剪切應力與剪切應變速率的磁流變液模型。根據磁流變液模型，從理論上建立了能在較寬的電壓內范圍比較準確地預報磁流變阻尼器輸出力的近似公式。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。Semi - active control is fit for suppressing the vibration of vehicle suspension system. electrorheologic fluids can transfer between newton fluid and bingham fluid with the control of applied electric field. electrorheologic damper, which can offer controllable damping force, can be used in semi - active control of vehicle suspension s ystem
電流變液（ electrorheologicfluids ）在外加電場的作用下可以實現牛頓（ newton ）流體和賓漢（ bingham ）流體之間的轉變，利用電流變液製造的阻尼器能夠提供可控阻尼力，可以利用電流變液阻尼器實現對車輛懸架系統的半主動控制減振。After deriving the governing equation of motion of these dampers and the theoretical model, we simulated the damping force of the dampers under different electric field strength conditions, and used an electrical hydraulic servo dynamic testing system to test flow mode er damper and mixed mode er damper
在不同電場下，模擬阻尼器的阻尼力特性，並使用電液伺服動態測試系統測試流動模式電流變液阻尼器及混合模式電流變液阻尼器。This part chooses the third kind of plan and designs its structure, and research the armature piston model mr damper ' s functions, and analyze the effects to damping force by various materials of mrf, various dimension of geometric and various input electric current
對所設計的電樞活塞式磁流變阻尼器進行了性能研究，分析了不同的磁流變液材料、不同的幾何尺寸、不同的輸入電流對阻尼力的影響，並進行了比較，指出了磁流變阻尼器設計中應重點注意的一些問題。And physical embodiments of the concept are proposed, which are hydraulic damping networks established according to inner force feedback principle combined with semi - active control scheme
首先提出了該主動阻尼懸架的實現模型，該模型是在傳統的液力減振器的基礎上，應用半主動控制的思想結合力反饋的原理建立起來的內部液壓反饋阻尼網路模型。The last part concludes that mr dampers is one of the very attractive control elements in semi - active control. as one of mixed model mr dampers, armature piston ' s mr dampers have principle designs good function and better practical value, it ' s worth to popularize use. about the armature piston ' s mr damper ' s designs, the space of work, the diameter of wok and the length of magnetic pole have obvious affects to the force of mr dampers, mr fluid materials should be paid attention, input electric current affects mr dampers greatly the high current increases the damping force, the effect of reduce vibration increase obviously,
最後，論文給出了結倫：磁流變液阻尼器是半主動控制裝置中非常吸引人的控制元件之一，混合工作模式的磁流變阻尼器結構簡單，阻尼效果比流動模式和剪切模式均要好，是一種比較理想的磁流變阻尼器；電樞活塞式磁流變阻尼器作為混合模式磁流變阻尼器的一種結構形式，其結構設計合理，性能良好，具有較強的實用價值，值得在工程中推廣應用；在電樞活塞式磁流變阻尼器的設計中，應特別注意工作間隙h 、工作直徑d 、磁極長度卜都對阻尼器的阻尼力有明顯的影響，並注意選用合適的磁流變液材料；輸入電流對磁流變阻尼器的阻尼效果影響很大，輸入大電流時阻尼力明顯增大，減振效果明顯提高。The common models of damping force of mrf dampers and its " application are comprehensively analyzed. simple comparison is made between er and mr fluids. mrf is much greater than erf in application because of the virtue of mrf, in which the high yielding stress can be obtained easily during the greater range of temperature
本文主要介紹了磁流變液的研究發展現狀，重點探討了它的機理、組成、性能等特點，系統分析了磁流變阻尼器的常用阻尼力模型的特點，以及與其有關的一些應用；簡單比較了磁流變液與電流變液的區別，由於磁流變液的優良特性，即較大的屈服應力，更寬的溫度范圍，使其比電流變液應用范圍寬廣的多。So far, the research is partial to designing resilience models for magnetorheological dampers, and is weakness in control strategy comparatively. two aspects are not concerted with each other
目前的研究多偏於磁流變液體阻尼器恢復力模型的設計，而相比之下對基於這些恢復力模型，進行結構控制策略的研究還很少，二者顯得很不協調。The key parts of semi - active suspension system are hydraulic dampers capable of adjusting damping force in accordance with driving conditions. on the base of it, the paper designs moveable valve adjustable dampers. its structure simple, the control is effective
半主動懸架系統的關鍵部件是適應車輛行駛變化的阻尼力可調的液力減震器，鑒於此，本文設計了一種電磁閥控制的兩態可調減震器，其結構簡單，控制有效。分享友人