比例導引法 的英文怎麼說
中文拼音 [bǐlìdǎoyǐnfǎ]
比例導引法
英文
proportional guidance- 比 : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
- 導 : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
- 引 : Ⅰ動詞1 (牽引; 拉) draw; stretch 2 (引導) lead; guide 3 (離開) leave 4 (伸著) stretch 5 (...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 比例 : 1. (長度上縮小和放大的倍數) scale; scaling 2. (比率) proportion; ratio; proportionality
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Furthermore, it analyzed the conflict in terms of the change of movable real right in the two systems and the effect of explanation and deploitation in terms of inscape of improper benefiting, scope of application and the effect of correcting the benefit imbalance which is caused by improper benefiting towards the system of non - reason of real right, and opened out the intrinsic relations between he system of non - reason of real right and the system of improper benefiting. the fourth part of the paper mainly analyzed our legislation pattern of real right alteration and the attitude towards non - reason of real right action in the field of civil law, and set forth the aim and existing obstacles in transplanting real right action and non - reason theory, and then pointed out, from the judge of theory, there are some factors of real right action in our exiting civil legislation and the biggest obstacle for transplanting the theory lies in the matter of cognition
關於物權行為無因性制度與不當得利制度的比較,主要分析了物權行為無因性在給付不當得利的構成要件、適用范圍等方面的解釋和開拓作用,以及不當得利制度對於物權行為無因性制度所引起的利益失衡的平衡作用,指出物權行為無因性與不當得利之間存在著某種內在聯系,在不承認物權行為無因性原則的立法例中,不當得利請求權處于輔助地位,在適用中多受限制;在以物權行為無因性原則為特徵的立法例中,不當得利制度在理論上具有圓通性,在實務上功能突出,成為救濟物權行為無因性所導致的利益失衡狀態的有效措施。The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器,通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。The second part studies optimal pure proportional navigation ( ppn ), with time - dependent gain of navigation to maneuvering target based on proportional navigation theory. optimal gain of navigation is constant for ppn without maneuvering ; based on this, solution of time - dependent gain of navigation is given by iteration approach, and the time required for capture is given, the times of iteration is decided by comparing this time with the iteration step
對目標機動的追逃問題,考慮導航增益可為任意實數,且隨時間和初始條件改變,這一思想是建立在目標非機動的純比例導引制導規律,最佳導航增益為常數的基礎之上,利用迭代的方法,給出了時變的導航增益的求解方法,並給出了實現捕獲所需的時間,用此時間與迭代步長進行比較,判定迭代次數。Pn is the method to obtain optimum control in condition of target without maneuvering, pursuer is controlled by feedback of opponent ’ s information and by continually updating the gain of navigation to achieve capture of maneuvering target, thus the pn is optimum control of one - side
比例導引律是在目標非機動下得到最優控制量的計算方法,通過將對手信息反饋,不斷更新導航增益控制追蹤者,實現目標在機動時的捕獲,故其是單方最優的控制。This paper put forward a method of using amending sine value in the spwm sine table. this method can correct the distortion of the output voltage waveform, which resulted from the dead time used to the voltage type whole bridge main circuit. the inverter system adopts digital fuzzy controller with feed forward correction and which proportion coefficient and integral coefficient is changeable, so dynamic response is improved
本文提出了一種採用修補spwm正弦表值的方法,用以改善電壓型全橋逆變主電路因上下橋的功率器件切換時先關斷后導通的死區時間而引起的輸出電壓波形畸變;逆變系統採用帶前饋校正的變比例變積分系數的模糊控制器,提高了系統的動態響應指標;系統設計了完善的保護措施,並具有市電電網的故障診斷功能。Firstly, ownership concentration should be kept properly in chinese listed companies and the shareholding percentage of large shareholders should be declined to achieve ownership control. secondly, decrease the percentage of state - owned shares by means of selling them to artificial persons. problem of the absence of the available state - owned shareholders should be solved as soon as possible
根據以上結論,本文提出四點建議: ( 1 )保持一定程度的股權集中,同時通過降低第一大股東持股比例形成股權制衡; ( 2 )以法人股東受讓的方式減持國有股,解決國有股有效持股主體缺位的問題; ( 3 )提高流通股比例與大力發展機構投資者相結合,引導機構投資者參與公司治理; ( 4 )進行經營者持股的制度創新,充分發揮其激勵作用。The first - order perturbation method correct for forcing decoupling method based on perturbation theory is put forward to decrease error ; iii. the complex modal method is introduced into analysis of non - classical damping systems to eliminate error of forcing decoupling method, and improve the complex modal response spectrum, which can apply to design of non - classical damping systems ; iv. for exerting the energy dissipation capability of each device, a two - step optimum method, whose controlling function is extremum expectation of interbedded displacement, is put forward to optimize the number and position of device ; v. the problem of iterative method applied to analyze energy dissipation systems is indicate, and give some primary advice based on pilot study
為改善上述缺點,本文進行了以下的研究工作:在忽略耗能器附加質量的基礎上,推導出適用於耗能減震結構的攝動法,減少振型分解法在迭代計算過程中的工作量,加快計算速度;針對運動方程的強行解耦所產生的誤差,根據攝動法原理,對其進行一階攝動修正;為消除強行解耦振型分解法用於非比例阻尼結構分析時產生的誤差,引入狀態空間對系統進行復模態分析,並改進了基於復模態理論的、適用於非比例阻尼結構設計的雙反應譜方法;對于耗能器的數量和位置優化進行了一些探討和研究。5. improve and simplify the original algorithm for missile attack range, making the calculation faster and more efficient
改進了導彈攻擊區的計算方法及類比例導引法,提高了計算速度,改善了實時性。In comparison with similar cities worldwide, hong kong has performed very well in reducing fatal traffic accidents. nevertheless, stringent enforcement action continues to be taken for offences that cause or are likely to cause traffic accidents
香港與世界其他類似城市比較,在減少致命交通意外的工作方面成績斐然。然而,警方仍會繼續嚴厲執法,對付足以導致意外或容易引發意外的交通違例事件。In part iv, a kinematics model for 3d guidance problems is derived. then pure proportional navigation, approaching method, and fuzzy logic algorithm are combined to develop a three - dimension fuzzy guidance law. finally, this thesis expounds the modeling technology of 3d objects in computer animation simulation and the method of using opengl engine in visual c + + environment
第四部分建立了三維空間中導彈追擊目標的運動學關系模型,分析了兩種古典導引律(平行接近法和比例導引法)的優缺點,在此基礎上提出了一種三維組合導引律,然後用模糊邏輯對其進行了優化,獲得了一種性能更為優越的三維模糊導引律,最後通過模擬證明該方法的優越性。First, according to the demand of vimp for resin system, the reaction kinetics and rheological of up resin are investigated and the optimal content of low additive profile ( lpa ) is determined. then vimp based on a high - permeable medium and grooves are studied by visual experiments, through which the appropriate high - permeable mediums are selected and the parameters of width, depth and spacing for flow grooves and spacing for supply grooves are optimized. furthermore, various factors affecting the mold filling process are discussed and the whole vacuum infusion procedures are described taking examples of the manufacture of a model boat and a sandwich panel in one infusion
文中首先根據vimp對樹脂體系的要求,對vimp用不飽和聚酯樹脂體系的動力學和流變學性能進行了研究,確定了最佳低收縮添加劑的含量;對高滲透介質型和溝槽型vimp開展了實驗研究,通過可視化實驗優選出較好的高滲透介質,確定了引流槽的寬度、深度和槽間距及主槽的槽間距等工藝參數並進行了優化;對影響充模過程的各種因素進行了詳細的討論,並以模型船和夾芯面板的製作為實例描述了兩種vimp的成型過程;在實驗的基礎上,建立了二維滲漏模型,採用控制體有限元法對高滲透介質型vimp進行了成型過程的計算機模擬計算,通過充模時間和流動前峰的計算值與實驗結果的比較,驗證本文所採用的數學模型和數值方法的正確性,其結果對實際生產具有一定的理論指導意義。To overcome the shortages of the traditional proportional guidance in attacking maneuvering targets, the paper firstly established the relative motion models for the anti - ship missile and the target in three dimensions, then based on the optimal guidance law for aiming at non maneuvering targets and the sliding - mode control theory, the optimal sliding - mode guidance law in three dimensions, which was more easily - accomplished in engineering, was derived by making the pitch plane and yaw plane superposition
摘要針對傳統比例導引法攻擊機動目標的不足,建立了三維空間中反艦導彈和目標的相對運動模型,在研究反艦導彈攻擊非機動目標的最優制導律基礎上,利用俯仰和偏航兩個平面相疊加的方法,結合滑模控制理論設計了工程上易於實現的三維模型下的反艦導彈最優滑模製導律。At the same time, this paper puts forward a validity function for judging clustering in order to lead us to use it in k - nearest neighbor classification ; then introduces " generalization capability of a case " to k - nearest neighbour. according to the proposed approach, the cases with better generalization capability are maintained as the representative cases while those redundant cases found in their coverage are removed. we can find a new less but almost complete training data set, consequently reduce complexity of seeking near neighbour
針對k值的學習,本文初步使用了遺傳演算法選擇較優的k值,同時總結了一種聚類有效性函數,數值實驗證實了其有效性,旨在指導應用於k -近鄰分類中;然後還將「擴張能力」的概念引入k -近鄰演算法,根據訓練集例子不同的覆蓋能力,刪除冗餘樣本,得到數量較小同時代表類別情況又比較完全的新的訓練集,從而降低查找近鄰復雜性。5. aiming at the specific mission that intercept the warhead of tactical ballistic missile, the new issue for designing the guidance law is analyzed, and a new guidance method that fit for the mid - course is presented, based on the idea of predicting the intercept point. to design a feasible terminal guidance law, the shortcoming existing in the proportional navigation when intercepting the warhead is firstly
針對攔截戰術彈道導彈這一特殊任務,分析了導引律設計面臨的新問題,提出了以預測攔截命中點為思想的中制導段導引方法,研究了末制導段比例導引律彈道形狀和過載分佈特點,在此基礎上為了改善比例導引律的缺陷,引入了目摘『要標機動加速度和導彈軸向加速度等信息、 ,又寸比例導引律進行了修正,井對導引律中各參數進行了優化。Two spacecraft ’ s rendezvous technology in coplanar near - earth orbit with maneuvering target, based on the sight coordinate system is presented in this paper. differential games guidance law ( dggl ) and proportional navigation ( pn ) are studied
本論文研究了近地共面軌道兩空間飛行器在目標機動下的在軌交會技術,分別對微分對策制導律和比例導引制導律兩種制導方法進行了研究。分享友人