質量慣性 的英文怎麼說
中文拼音 [zhíliángguànxìng]
質量慣性
英文
ma inertia- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 慣 : Ⅰ動詞1 (習以為常 積久成性; 習慣) be used to; be in the habit of 2 (縱容; 放任) spoil; indulge...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 質量 : 1 [物理學] mass 2 (產品或工作的優劣程度) quality 3 economy (離子源的); 質量標準 quality level...
- 慣性 : [力學] inertia; inertance; sluggishness; the force of inertia
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This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization
本文以拉格朗日方程為理論基礎,對慣性制動器在制動時的振動進行數學建模,然後用matlab對其進行模擬,得出了慣性制動器在制動時振動角頻率分別與制動環和摩擦片之間的摩擦系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參數之間的關系,為慣性制動器的結構優化提供了理論依據。High accuracy kdp crystal optics is now considered as one of optics that is the most difficult to be processed for its series of disadvantageous characteristics to optics processing such as anisotropy, soft nature, easy to deliquesce, high brittleness, sensitive to temperature change, easy to crack and so on. therefore the long machining period, low percent of pass and astaticism quality has become the bottleneck of icf technology, and the surface quality control of kdp crystal processing has become the key problem to be solved in the research of icf in our country
Kdp晶體零件是目前公認的最難加工的光學零件之一,因為kdp晶體具有各向異性、質軟、易潮解、脆性高、對溫度變化敏感和易開裂等不利於光學加工的特點,所以加工周期長、合格率低、質量不穩定成為慣性約束聚變技術的瓶頸, kdp晶體超精密加工表面質量控制問題已經成為我國慣性約束聚變研究中亟待解決的關鍵問題。Standard test method for sampling and determining particulate matter in stack gases using an in - stack, inertial microbalance
利用慣性微量天平在煙囪內取樣並測定煙氣中顆粒物質的標準試驗方法Some conclusions are drawn : 1 ) effect of inertial force from superstructures on the lateral seismic response of single pile can not be ignored ; 2 ) the lateral seismic response of single pile induced by far - field earthquake are mainly affected by acceleration mass of superstructure > site eigenperiod. it increases with the increment of accele ration and mass of superstructure. as the site characteristic frequency approaches the self - oscillation frequency of the pile, sympathetic vibration occurs and the value of lateral seismic response reaches maximum ; 3 ) as the stiffness ratio of pile to soil increase, the relative displacement of pile to soil increases ; 4 ) the lateral seismic response of fixed - head pile is much smaller than that of free - head pile
將其解析解與具體的的抗震設防烈度和場地特徵周期結合起來,計算分析了成層地基中單樁的橫向地震響應,得到了以下結論: 1 )上部結構慣性力對樁的橫向地震響應的影響不可忽略; 2 )成層地基中的單樁的橫向地震響應主要受地震基本加速度、場地特徵周期、上部結構質量的影響,隨地震基本加速度、上部結構質量的增大而增大;場地特徵頻率越接近樁基自振頻率,樁基地震響應越大,等於自振頻率時,由於發生共振現象,樁基響應幅值最大; 3 )樁土剛度比越大,樁土之間的相對位移的幅值越大; 4 )樁頂固接的連接方式,可以有效地降低地震時單樁的橫向地震響應。Optimal design with three variables is then done to the elbow - bar mechanism of the mp1040b moulding machine by utilizing the method of punishing function for constraint problems and variational scale for unconstraint problems. the optimal target function is the maxium of gradient in one work travel for the moulding plank of the elbow - bar mechanism. the result shows that the maximal gradient of moulding plank in one motion period declines by 25. 7 after optimization, and the angular acceleration of the bottom moulding plank decreases greatly
動力學分析中,各構件的質量和轉動慣量是通過pro / engineer軟體,先建立各個構件幾何模型而求得;然後,利用解決約束問題的罰函數法和處理無約束問題的變尺度法對mp1040b型模切機肘桿機構進行三個設計變量的優化設計,優化目標函數為肘桿機構的下模切板在一個工作行程中達到的最大傾斜程度;通過優化設計,模切機肘桿機構的下模切板在一個工作行程中的最大傾斜程度降低了25 . 7 ,其角加速度明顯減小,提高了模切機動力學性能。Forehand attack is a non - habitual action in table tennis playing. it is the most important skill of quick attack players and the key of table tennis teaching to the students majoring in higher physical education. to have a good command of forehand attack in very short time is an important subject in table tennis teaching and coaching. compared with different results of teaching and coaching experiments, it is proved that the alternate teaching and coaching method combined with external factors in practice can help the students form the dynamic finalization, that the teaching and coaching method is very effective and can be used in table tennis theoretical teaching and practical coaching
正手攻球是快攻運動員最重要的技術,是高校體育專業學生乒乓球教學的重點,是一個非習慣性動作,要在較短的時間內高質量地掌握正手攻球,是乒乓球教學中的重要課題.從實驗對比入手,深入研究並確定以交叉教學法並配合練習中施加外部因素的方法,使學生形成穩固的正手攻球動力定型,能明顯提高教學效果,具有較好的實用性We first calculate the velocity potential between two adjacent time - steps and obtain the inertia force and added mass through integration
本文通過直接求解船在變速運動時兩個相鄰時刻的速度勢,進而積分得到附加慣性力及附加質量。By comparing with the present mechanism designed for the elimination of inertia force, this kind of mechanism is smaller in volume, lighter in weight and possessing good result in eliminating vibration
與現有的為消除慣性力而設計的機構相比,這種機構的體積小、質量輕,消振效果較好。Inertial mass can be defined only in terms of certain mechanical measurements whose success hinges on newton's law of motion.
只有用某些力學上測量,才能給慣性質量作出定義,而這些力學上的測量的成就是隨牛頓運動定律而定的。Copper matte converting system is a complicated process which has the characteristics of multivariable, nonlinearity, strong coupling, large inertia, time varying and uncertainty and very difficult to carry out real - time on - line control. the purpose of the optimization, decision - making and control of copper matte converting process is to improve the productivity and decrease energy consumption
銅鋶吹煉過程是一類具有多變量、非線性、強耦合、大慣性、時變性和不確定性、難以實時在線控制等特點的復雜對象,銅鋶吹煉過程優化決策與控制的目的是為了提高勞動生產率,實現優質高產和降低能源消耗。According to the law of mass moment of inertia and of momentum moment, the conditions for the complete dynamic balance of rotor inertial forces and moment of inertia in the rotary piston vacuum pump are put forward, with the rotor movement in single cylinder analyzed as basis
根據質量矩定理和動量矩定理對單缸滑閥真空泵的轉子運動狀況進行了分析,分別提出了轉子慣性力和慣性力矩完全動平衡的條件。The function of strengthen and improve the quality management of the business enterprise become more and more obvious, for raising the business enterprise product and the service quantities, then strengthen the competition ability of the business enterprise, promote the overall development of the business enterprise
事實上,有效地貫徹2000版iso9000族標準會給企業帶來許多好處,如:與國際先進管理慣例接軌;增強質量管理的穩定性,保證產品質量的一致性;增強競爭能力,提高市場佔有分額;全面提高企業綜合素質和整體水平等。Mass moment of inertia
質量慣性矩Mass mement of inertia
質量慣性矩The basic parameters of pms of the powertrain mount system are measured by the experiments, simply introduce the certainty of mass center and mass inertia quadrature, and the experimental results are obtained finally
通過實驗對動力總成的基本參數進行了測試,分別對動力總成重心的確定和質量慣性矩的計算進行了簡要的介紹,最後給出了實驗結果。The mass characteristic parameters of hslrfo include mass, mass center, centroid, lateral misalignment of mass center, rotary inertia, dynamic balance, etc. since the lateral misalignment of mass center is the most important mass characteristic parameter, the demand for the measuring precision of this parameter is very stringent
高速遠程飛行物體的質量特性參數有質量、質心、形心、質心橫偏量、轉動慣量、動平衡等內容,其中最重要的是質心橫偏量,因此,在測量中,對質心橫偏量的測量精度有著更高的要求。Using gyro measurements during periods of thruster firing, with thruster outputs, mass property identification is achieved through recursive least squares algorithms on the basis of the refined dynamics equation. the approach addresses the issue by segmenting the problem into two sub - problems which both allow closed form solution to reduce computation load
該方法利用衛星上的陀螺輸出和推力器控制指令作為演算法的輸入,在修正的衛星姿態動力學模型基礎上,推導了衛星質量特性在線辨識遞推最小二乘演算法,將質心位置和轉動慣量矩陣的辨識解耦以降低辨識演算法的維數,減少計算量。The air bearing is the most important part of an attitude control system simulator for simulating a satellite moving in the weightless circumstance. performance of a satellite attitude simulation system based on air bearing is decided by the inertia matrix and gravity disturbance torque arising from a difference between mass center and rotation center, and air bearing can be used to simulate the algorithm of on - line mass - property parameters identification on the ground. so the problem of mass - property and gravity disturbance torque identification for satellite and air bearing is studied in this thesis
氣浮臺能夠模擬衛星在軌失重條件下的姿態運動,是衛星姿態控制系統物理模擬的核心部件,其轉動慣量和質心偏移引起的重力干擾力矩等決定了基於氣浮臺的衛星姿態物理模擬系統的性能,並且利用氣浮臺可以實現衛星質量特性在線辨識演算法的地面物理模擬驗證,因此本文對衛星和氣浮臺的質量特性及干擾力矩在線辨識問題進行深入研究。Firstly, i built up simplify three - dimensional model and acquired the parameters of quantity, inertia and centroid. then i carried on the kinematics simulation in multi - body dynamics software adams, thus verified the accuracy of design scheme
首先,建立了搖擺臺的三維簡化裝配實體模型,獲得各關鍵零部件的質量、慣量和質心點位置等參數,並在多體動力學軟體adams中進行了運動學模擬,驗證了搖擺臺設計方案的正確性。The attitude control system design and its control effect are affected greatly by mass - property parameters of satellite, which can change on - orbit as fuel is expended, the configuration changes, or payloads are added or removed
衛星質量特性對姿態控制器設計及控制效果有著很大的影響。在軌運行過程中,由於質量消耗等原因會導致衛星轉動慣量及質心位置的變化,實現衛星質量特性的在線辨識能夠有效提高姿態控制精度。分享友人