確定穩定性 的英文怎麼說
中文拼音 [quèdìngwěndìngxìng]
確定穩定性
英文
determination of stability- 確 : 形容詞1. (符合事實; 真實) true; reliable; authentic 2. (堅固; 堅定) firm
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 穩 : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 確定 : 1. (明確地定下) define; fix; determine; ascertain 2. (明確而肯定) definite; certain; for sure
- 穩定性 : antiwhip
- 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
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Accurate load forecasting is helpful to planning generators " starting and stopping in the interior of the electrical networks economically and reasonably, preserving the security and stability of power system, reducing the unnecessary circumvolving repertory capacity, making planning to overhaul the units in reason, ensuring the normal production and life of the society, effectively reducing the cost of generating electricity, increasing the economical and social benefit
電力負荷預測是供電部門的重要工作之一,準確的負荷預測,可以經濟合理地安排電網內部發電機的啟停,保持電網運行的安全穩定性,減少不必要的旋轉儲備容量,合理安排機組檢修計劃,保證社會的正常生產和生活,有效地降低發電成本,提高經濟效益和社會效益。Two concepts of critical length of slope and maximum buckling place is defined here to evaluate its stability. applications of two practical projects demonstrate this method ' s accuracy and feasibility. at the same time, all the factors which maybe infect the slope ' s stability, such as the mechanical performance of joint and rock, physical and geometrical character of slope, are considered
並以兩個實際工程實例驗證了本文方法的精確性及可行性;與此同時,本文對各影響因素如結構面的力學特性、巖體的力學特性及坡體的一些物理幾何特徵對該類邊坡穩定性的影響作了分析。In fact, compared with classic ones, the system with high reliability and exaction are more cheap when earlier finding fire in the badly working condition
使系統與傳統的探測系統相比,具有成本低、早期發現、在惡劣工作環境下工作穩定性高、準確度高等優點。Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal
我的思路是:改造現有圖形結構,先建立能反映信噪比大小且含待定參數k的表達式,然後通過離散型h0pfi舊單層反饋神經網路,再結合前邊的混合濾波器構成一個非線性控制系統,寫出對應的網路函數,利用相平面法和李雅普諾大穩定性的判據,得到一個穩定的極限環,從而確定出參數卜的范圍,進而再對原來的小波軟閾值進行修正,用修正後的值作為小波閾值。In addition, all the system states are on the sliding hyperplane at the initial instant, the reaching phase of smc is eliminated and the global robustness and stability of the closed - loop system can be guaranteed with the proposed control strategy
此外,控制策略使得系統的初始狀態已經處于滑模面上,從而消除了滑模控制的到達階段,進而確保了閉環系統的全局魯棒性和穩定性。Considering the nonuniqueness and instability of ultrasonic computerized tomography for structural concrete as well as the ultrasonic transmission characteristics in concrete, a natural weight matrix with dear physical meaning was introduced in the inverse algorithm
摘要針對混凝土超聲波層析成像結果不唯一和穩定性差的問題,首先依據超聲波在混凝土中的傳播特點,在反演演算法中引入物理意義明確的自然權矩陣,對走時較小的射線和射線較密的成像單元加以重權。In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory
由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參數隨負載特性;電網電壓;給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散滑模控制時,必須針對速度環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ,以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果The novel vertical carrier - free linear cluster system phoebus for the economical deposition of amorphous and microcrystalline silicon light absorbers by pecvd ideally combines the strengths of proven vacuum production platforms to precisely focus on the needs of solar cell producers : process stability, productivity, yield, footprint, costs of ownership
新的立式無載體線團系統」菲波斯」 ( phoebus ) ,以pecvd方法經濟地鍍膜無定形的和微晶硅吸光體,理想地結合各種證明可靠的真空生產平臺的優點來精確的聚焦于滿足太陽能電池生產者的需求:工藝的穩定性,生產效率,合格產量率,佔地面積和擁有運營的總成本The main purpose of this discussion is to det ermine the appropriate roadbed earthfill height according to the degree of sandburry, windblown sand drift test, wind tunnel test, windbed stability, road economy and traffic accident analysis. the appropriate roadbed earthfill height is one of vital factors in preventing highways from the harm of sand
本課題研究的主要目的是沙漠公路在地理地貌、植被地質、沙源、風速強度等因素的影響下對公路形成的沙埋和風蝕危害,結合公路沙埋、風沙流實驗、風洞實驗、路基穩定性、道路經濟性、交通事故分析,確定路基的合理填土高度。It is a very feasible operation with relatively invasive procedure and satisfiable functional recovery. it is effective treatment we strongly recommend
閉合穿釘內固定治療不穩定性脛骨骨折,其手術方法簡便易行,手術損傷小,功能恢復滿意,是一個效果確實值得推廣的方法His racket face was opened barely a scintilla, giving him just enough safety and, worst of all for his opponents, an extraordinary degree of bite and accuracy
他的拍面微微打開,這樣可以令球保持足夠的穩定性以及精確落點。The walking stability has direct relation to the gait of the robot, and whether the gait is nicer is vital to the stability. by researching of the walking habit of human being, we proceed the gait planning of biped walking robot, decide the single foot supporting and double feet supporting, and bring forward the principle of phase divided and divide a gait cycle into eight sub - phases. that guarantees the continuity, stability of the whole walking
而步行穩定性與機器人的步態有著直接的關系,良好的步態對步行機器人的穩定性來說又是至關重要的,通過對人類步行習慣的研究,對兩足步行機器人進行步態規劃,確定了步行機器人的單腳及雙腳支撐周期,提出了分相的原則,並將一個步態周期分為八個子步相,保證了運動過程的連續、平穩,並利用zmp理論對步行機器人穩定性進行計算,給出靜態穩定步行的條件。If the airplane has positive weathercock stability, and is truly symmetrical, then it will tend to fly in this condition.
如果飛機確實是對稱的,並且具有正的風標穩定性,則飛機將傾向于在此狀態飛行。Adopt transfiequency motor to control speed, processing speed fast and high processing efficiency ; adopt double straight line rolling glide and double ball screw rod transmission system guarantee the processing size s veracity and stability. upper chamfer angle can automatic rise and fall so its have easy handling, compact structure the minimum width of the glass can be 127mm
加工速度快,效率高雙直線導軌和雙絲桿傳動系統確保了加工尺寸的準確性和穩定性,上倒角自動升降的先進性,使其具備操作方便結構簡潔等特點。The innovations of this thesis can be summarized into three points. firstly, the average relative velocity is introducd into a novel adptive weighted clustering algorithm as one important parameter of weight, then it increases the stability and self - adaptability of cluster head. secondly, a new approach to calculating weight is suggested by integrating subjective and objective factors. it is verified by comparison with other approaches to selecting weight. thus the velocity of weight responding to the changes of network topology is increased. finally, using a som neural network to create a classifying model enables every node to learn to identify by itself the role in manet
本文的創新點有三個:首先本文在wca和aow分簇演算法的基礎上,引入了平均相對移動速度作為權值重要的參數,提出了一種新的基於權值的自適應分簇演算法,提高了簇頭在移動中的穩定性和自適應性;其次,提出了利用主客觀綜合賦權法確定權重的權值計算方法,通過與其他權重選擇方法比較,網路結構變化的權值響應速度得到了改進;最後,論文利用自組織特徵映射神經網路建立分類模型,使得網路中的節點可以自學習地確定簇中角色。So, in this paper, its main researches are to make use of both disequilibrium economics theory and chaotic economics theory to study the market price models ; according to the economic movement, to improve the traditional cobweb models and set up nonlinear and disequilibrium cobweb models, which are more accurate, scientific, and able to describe practical economy ; then to analyze commodity price fluctuation and stability on the established models with the change of the parameters ; finally to draw some conclusions
據此,本文將非均衡理論及非線性混沌理論同時應用於市場價格模型中進行研究,對傳統的蛛網模型加以改進,從現實經濟系統運作的實際情況出發,建立更加準確、科學,更能反映經濟現實的非線性非均衡蛛網模型,並對所建立的模型進行動態分析,研究了各種參數條件下價格波動的穩定性問題,從而得到若干結論。Evolution mechanism of logistic equation is studied, and is used in a kind of cobweb model. the stability and the characters are studied with the change of parameters. finally the parameters " regions in which the economic system reaches the stability and the chaos are determined
第五章:邏輯斯蒂方程在蛛網模型分析中的應用本章研究了邏輯斯蒂方程的演化機制,並將它應用在一類蛛網模型的研究中,對模型進行動態分析和穩定性分析,研究了各種參數條件下的性態,確定了經濟系統達到穩定狀態的參數范圍及進入混沌狀態的參數范圍。By using lmi toolbox in matlab, it is easily to obtain controllers gain matrices. 2 ) based on lyapunov stability theory, the results on robust control for time - delay systems with markovian jumping parameters are extended to neutral
2 )基於lyapunov穩定性理論,將含有markov跳躍參數的線性不確定時滯系統的魯棒控制結果推廣到含有markov跳躍參數的中立型系統中。A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived
對于曲線坐標系下的拋物化穩定性方程,文中發展了求解的高效數值方法:引進法向變換,使得在臨界層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含邊界鄰域在內的完全四階精度的法向有限差分格式,這對方程精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式,大大加速收斂並得到更精確的特徵值。3. the upper guide pipe could avoid temperature zone on the spot by increasing its length, so as to make the temperature of junction end keep in normal condition, thus assuring high stability and precision in measurement
3 .上接管長度增長,避開現場外環境溫區,使熱電偶接線端處于常溫狀況,溫度不受干擾,保障了測試精確度穩定性分享友人