非穩態振蕩 的英文怎麼說
中文拼音 [fēiwěntàizhèndàng]
非穩態振蕩
英文
unsteady oscillations- 非 : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
- 穩 : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
- 態 : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 蕩 : Ⅰ動詞1 (搖動; 擺動) swing; sway; wave 2 (無事走來走去; 閑逛) loaf; wander; roam; loiter; go a...
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Digital simulations reveal many valuable characteristics of the power system low frequency oscillation. the limit of conventional analysis and the appearance of new technique such as wams together with the advance of the nonlinear theory, require a new method for oscillation research of power grid, which can combine small and large disturbances analysis effectively
論文指出,由於傳統小信號穩定分析方法的局限性,及動態監測設備和非線性理論等新技術與理論的迅速發展,有必要研究新的振蕩分析方法,以更加有效地揭示互聯系統小擾動、大擾動后的振蕩機理,並研究相應的控制策略。The radiation field evolves from a steady saturation state to a limit cycle oscillation state, and eventually to chaotic oscillation state as the current increases, the region in which the field exhibits limit cycle or chaotic oscillation is called the " soft " and " hard " nonlinear regime, respectively : ( 1 ) in the " soft " nonlinear regime, the radiation field is characterized by period doubled bifurcation and the discrete power spectrum
隨著電流的增大,輻射場經歷由穩定飽和到極限環型的周期振蕩,並最終過渡到非周期性混沌振蕩的演化過程,按其狀態可分為「軟」和「硬」兩種非線性區域: ( 1 )在「軟」非線性區域,場的極限環振蕩態和穩定飽和態是交替出現的,其特徵是典型的倍周期分岔,輸出功率譜是分立的。2 ) hysteretic loop emphasis has also been focused on the onset and damping behavior of the thermoacoustic oscillation. based on the acute review and analysis on the non - steady processes with hysteresis, a hysteretic loop is proposed and experimentally verified for the first time in the standing wave thermoacoustic prime mover
熱聲振蕩滯后迴路在系統地考察其它非穩態過程特性的基礎上,首次提出並實驗驗證了熱聲起振和消振過程中存在「滯后迴路」 ,並對滯后迴路的影響因素進行了研究。In this thesis work, a 1 - d hydraulic transient model and a 2 - d compressible flow model with the large eddy simulation approach have been applied to analyse the hydrodynamic process of the unsteady separated flow. prototype observation data of gezhouba shiplock no. 3 has been used to verify the computational results. it has been found that two different types of flow regime - stably - varying and strongly - oscillating regimes - could occur in the radial gate tunnel
本文採取將一維非恆定流模型與二維可壓縮流一大渦模擬模型相結合的方法,分析了急變分離流的水動力學特性,並利用葛洲壩三號船閘的原型觀測資料驗證了數值模型的可靠性,發現閥門段存在平穩變化型和劇烈振蕩型兩種不同的流態,並詳細計算、分析了它們的流動特徵In this paper, the multi - scale technology is introduced to study the wave - motion equations with viscous or transverse inertia effects or both of them. burgers equation, k - dv equation and kdv - burgers equation are deduced respectively, and correspondingly the steady shock - wave solutions, solitary wave solutions and oscillation solitary wave or shock - wave solutions are obtained
接著,又採用奇異攝動理論中的多尺度變換法分析並簡化了分別計入粘性、橫向慣性效應以及同時計入這兩種因素時的幾何非線性波的波動方程,分別得到了經典的burgers方程、 k - dv方程和kdv - burgers方程;並求出它們相應的穩態解分別為激波解、孤波解和振蕩孤波解或激波解。A novel strategy combined the fuzzy logic of linear multivariable feedback control to design a controller of statcom to meet the multi - objective demands of power systems is also proposed in this dissertation, and the controller is designed with this strategy, because of variational element, nonlinearity and multi - objective controlling demands of statcom, this paper designs the controller respectively aimed at continuous linear control for voltage maintaining, oscillation damping, improving the transient stability
根據電力系統變參數、非線性以及對控制要求多目標的特點,本文針對維持系統節點電壓、阻尼系統振蕩、提高系統暫態穩定性能等不同控制目標分別設計了控制器,然後將模糊邏輯和多狀態線性反饋相結合,提出了一種能滿足電力系統多目標要求的控制方法,並用該控制方法為statcom設計了控制器。The nonlinear simulations and dynamic simulating tests show that h pss is insensitive to the changes of operating conditions and perturbations, it can restrain oscillations under a wider range of operating conditions than the conventional pss. the robustness of h pss is very good. yang lin ( power system and its automation ) directed by prof
為了與傳統電力系統穩定器進行比較,對單機無窮大系統進行了非線性模擬和動模實驗,結果表明: h pss對運行狀態的變化以及外界干擾不敏感,能夠在較大的運行范圍內有效地抑制振蕩,顯示了很好的魯棒性。6. the theoretics of flip - flop anomalous property is perfected, and the oscillatory state of flip - flop is analyzed and the oscillatory frequency calculating equator is provided ; the self - adapting data synchronizer practical circuit with 0 error rate is designed, which can be used to resolve the problem of data synchronizing. the data synchronizer in common use is realized
6 、對觸發器的不確定性理論作了改進,討論了觸發器的非穩態過程,給出了一些計算觸發器振蕩頻率的公式,設計了自適應數據同步器實現電路,理論誤碼率為0 ,為解決數據同步問題提供了新思路,實現了常用數據同步器。分享友人