起動變加速度 的英文怎麼說
中文拼音 [qǐdòngbiànjiāsùdù]
起動變加速度
英文
starting up of speed-
The driver model should imitate the behavior of a real driver as well as possible. for this purpose, the staring behavior was defined by taking into account the coalesce process about the drive side and take - off side of the friction clutch, the driving behavior was defined by taking into account the change of acceleration pedal position, arrester pedal position and clutch pedal position in the shifting process
定義車輛起動特性時考慮了起步階段離合器主從動部分的接合過程,定義行駛特性時考慮了行駛階段加速踏板和制動踏板的開度變化以及換檔過程中離合器踏板和加速踏板的開度變化情況,真實地描述了一個駕駛員的特性,使得模擬結果更接近於實際。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。" to date, there are few similar studies documenting such accelerated atherogenesis in obese children so far, and this innovative project by cuhk clearly indicates that overweight or obesity in children may cause various impairment of endothelial function. " professor woo elaborated. " this may lead to cardiovascular disease or other metabolic diseases when the child grows up
到目前為止,甚少文獻報道有關兒童肥胖可引致加速性動脈粥樣硬化病變的報告,而中大這項研究結果的公開發表,則清楚顯示在兒童時期,超重或肥胖可能導致動脈血管內皮功能發生不同程度的障礙,隨著年齡的增長,更可引起一系列心血管疾病和其他代謝性疾病。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。This is a newly introduced slight shocking, direct driving centrifugal hyro - extractor. the electric locomotive on its base is semi - closed, internal ventilating, self cooling, weight adding and energy saving. the internal drum and rotational drum are istalled on the axel of the locomotive and drived directly, which effectively decreases energyloss, and simplifies therotation. acontrolling box is used in the machine to start through frequency conversion. and stop through resistance. the showing board shows the rotation speed and adjusts the speed and time. the featues of this machine areenergy saving, durable and repair infrequent. this machine is spcially used for cloth hydroectraction
本機系最新引進直微震直驅式離心脫水機,它使用半封閉內通風自冷加重型專用節能電機裝于中間底座,內桶及轉鼓裝于電機軸而直接驅動之,有效地減小了多功能損耗,簡化了傳統的多級繁瑣轉動,本機配有一個電控箱機變頻起動,電阻剎車於一體面板有轉速顯示並可調速度及時間,該機特點省電、耐用、維修機會極少,本機適合布匹脫水使用。Due to the vibration feedback from super structure, the motion of foundation is different from that of free field
上部結構柱頂加速度反應主要由基礎轉動引起的擺動分量組成,平動分量次之,而彈性變形分量很小。Statistically, it makes a quantitive analysis on the evolvement of the country economic structure in xi ' an city, the economic benefit of the changes in industry structure, the effect on labor resource collacation in industry structure and the effect of the increasing income of countrymen in industry structure changes, which discloses a rule of the industry structure evolvement in country. the putting forward of the non - agriculture industry in country, especially the rapid increase in country industry will promote the rise of the country industry level for a long term. the country industry structure influences a lot the increase of the farmer ' s income which is also affected by agriculture structure and planting structure, but less. the non - agriculture industry plays a main role in the increase of farmer ' s income. for the low level of the townlization and industrialization, developing industry, construction and commercial in country is very feasible to resolve the problem of spare labors in country. it is strengthening labors transferring and reducing the modulus of labor over the infield that farmers income could be kept increasing. after a theoretical analysis and twenty years practise in the regulation of country economy structure after the reform and opening policy in xi ' an, a new thought of regulating country economy structure in xi ' an is put forward that a strategic regulation must be taken in country economy structure and the agriculture structure must be optimized. moreover, an expanding agriculture must be developed and transfer the spare labors in country effectively. so the government function during the regulation of country economy structure is transferred to : the first one, making the stress policy in the regulation of country industry structure. 2ndly, strengthening the force in regulating country industry structure ; 3rdly, making a plan on the regulation of country industry structure ; 4th promoting the optimizition and upgree of industry relying on sci - tech progress ; 5th enhancing the townlization and optimizing the country industry structure ; last one, improving the quality of labors in full scale
本文在概述經濟結構理論的基礎上,第一次系統地研究了西安市農村經濟結構調整,用數據統計的方法,定量、定性地分析了西安市農村經濟結構演變的軌跡,分析了產業結構變動的經濟效益、產業結構勞動力資源配置效應、產業結構變動的農民收入增長效應,揭示了農村產業結構演變的規律。提出農村非農產業,尤其是高速增長的農村工業,對促進農村產業水平的提升起著長?推動力的作用;農民收入增長直接受農村產業結構的影響最大,農業產業結構、種植業結構對農民收入有影響,但作用不可高估;非農產業是農民增收的主要支撐力量,解決農村余勞動力在城鎮化、工業化水平不高的情況下,切實可行的選擇是在農村發展工業、建築業、商飲業等非農產業;農民收入要保持快速增長態勢必須加大農村勞動力轉移力度,減少耕地承載勞動力的系數。通過理論分析,結合西安市改革開放后20多年的農村產業結構調整的實踐,提出了西安市農村產業結構調整的發展思路及目標、原則,明確指出了政府在農村經濟結構調整過程中的職能轉變的重要方面:一是制定農村產業結構調整的傾斜政策,二是加大對農村產業調整的投入力度,三是制定產業結構調整的規劃,四是依靠科技進步促進產業優化和升級,五是加快城鎮化過程,優化農村產業結構。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。The paper discuss the range of slant angle, deduce angle calculation formulae. the paper gives the calculation methods for three axes angular velocity and acceleration caused by ship swing and target moving
討論了傾斜角度的取值范圍,推導出各軸旋轉的角度公式,對船搖和目標運動引起的各軸角速度及加速度的變化給出切實可行的計算方法。Field test shows that, this rig is characterized by high power utilization ratio, high hoisting speed, less load on the belt brake, and high capability of dealing with accidents
現場試驗表明,鉆機功率利用率高,起升速度快;反轉制動特性減輕了帶剎車的載荷;變矩特性加強了處理事故的能力。2. the discrete sampling value of field track vibration acceleration wave is transformed by fft and analyzed by deterministic analysis. one degree of freedom simplified model is used for train and the kinematic equilibrium differential equation is deduced to simulate the vertical wheel system
最後,通過線性回歸得到了該地鐵軌道交通引起的環境振動的振級衰減公式; 2 .通過快速fourier變換,對實測的軌道振動加速度進行了數定分析。In this thesis, we focus on dual axis capacitance vibration transducer, which was fabricated by micro - electromechanical systems ( mems ). the operation mechanism of this kind of accelerometer was analyzed. under external acceleration, the space between sensitive quality mass and detecting electrode will change, which causes the variation of equivalent capacitance
本論文研究了採用微機械加工技術( mems )製作的雙軸電容式振動傳感器,其基本工作原理是利用慣性質量塊在外界加速度的作用下與檢測電極間的空隙發生改變,從而引起等效電容的變化來測定振動加速度的。In this paper, two important modifications in dct - based coding algorithm are suggested after making deep study on the generally used scheme of h. 263 coder. first, we find plenty of invalid computation in the transformation part of the h. 263 coder and an improved scheme based on the pre - transform decision to avoid invalid computation is proposed. second, in the motion estimation part of the coder, we find that normal search algorithms are not effective, which neglects different levels of motion in image sequences, and we suggest a new search algorithm which has variable search region based on the difference of motion level. combining the pre - transform decision scheme with variable search region method in motion estimation, a global decision coding scheme is provided, which greatly increases the coding speed of h. 263 coder
本文對h . 263編碼演算法的現有實現方法作了深入的分析,首先發現變換部分存在大量無效運算,提出了在變換前加判決的前變換判決的編碼方案,以壓縮無效的變換運算;其次發現運動估計部分由於忽略了圖像場景的分級運動而存在一定的無效搜索運算,提出了基於分級運動的可變搜索域法來壓縮無效的搜索運算;最後將前變換判決方案與運動估計的可變搜索域法有機地結合在一起,提出了全局判決編碼方案,從而比較全面地改進了現有實現方法,因而能大幅度地提高編碼器的編碼速度分享友人