phase leg 中文意思是什麼
phase leg
解釋
雙共源極-
So far, biped robot of research has undergo different developmental phase, but the leg mechanisms of most biped walking robots are in series
迄今為止兩足機器人的研究已經經歷了不同的發展階段，但兩足步行器腿機構多採用串聯機構。 -
1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %
從功率單向流動角度出發，提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲，在調制系數0 . 1 m 0 . 5情況下，控制移相角按正弦規律變化，使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號，經過整流、濾波、低頻逆變，從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載，移相全橋具有超前橋臂零電壓開通，滯后橋臂或者零電壓開通（ _ 0 ）或者零電流關斷（ _ 0 ）的軟開關特性，而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。 -
Three - dimensional kinematics analysis on wagging leg technique of the starting phase of high jump - take ecxeuent chinese high jumpers as example
河南省青少年男子背越式跳高運動員起跳階段擺動技術的運動學分析 -
A novel cycloconverter - rype three - phase hf link inverter topology for soft - switching based on phase - shifted full - bridge mode is proposed, whose main advantages are as follows : under the conditions of d < i < and overlap - d, the switches of the leading leg are turned on at zvs and the switches of the lagging leg are turned off at zcs and all switches of the cycloconverter circuit are commutated in the overlapping mode in the interval of zero voltage, which makes the circuit realize soft switching to the utmost extent and reliably solve the problem of peak voltage caused by the storing energy of leakage inductance of hf transformer
論文提出一種新型移相全橋軟開關周波變流型三相高頻鏈逆變器，電路的主要優點是：前級移相全橋的移相角控制在_ d _ i和_ （ overlap ） - _ d條件下，超前橋臂零電壓開通，滯后橋臂零電流關斷，並使周波變流器所有開關在零電壓期間重疊換相，使整機開關最大程度地實現了軟開關，並可靠解決了高頻變壓器漏感儲能引起的電壓尖峰問題。 -
There are many control strategies for three phase four leg inverter, such as spwm, hysteresis current control and space vector modulation
三相四橋臂的控制策略主要有spwm控制，滯環電流控制，空間矢量控制等。 -
Based the simplest solutions of control equations, one - cycle controller for the three - phase four - wire apf with four - leg is presented
基於控制方程的最簡解，建立了單周控制四橋臂三相四線制有源電力濾波器的電路模型。 -
The operation of buck tl converter are analyzed as well as parameter design and input / output characteristics. hfb tl converter has two phase legs, one is three - level leg, the other is two - level leg
Buck三電平變換器具有將開關管電壓應力減小一半，大大改善輸出濾波器工作條件的優勢，論文詳細分析它的工作原理、參數設計和外特性。 -
Second, the author introduced a new stability region, and programmed a trajectory of variable zmp, which was defined as a cosine curve ; the author also designed a cog - compensated method to keep the cog ’ s height ; based on dynamics of 3 - d inverted pendulum, the author educed the cog ’ s trajectory equation of the robot in the three - leg - support phase, and used third - order splint function to ensure the acceleration continuity of the robot ’ s cog in the four - leg - support phase. at last, walking patterns of the corresponding gait are generated through programmer design
然後，提出了一種新的支撐區域選取方法，採用了按餘弦規律變化的zmp運動軌跡;為了維持機器人行走時重心高度不變，採用了一套有效的質心高度保持方法;基於三維倒立擺模型，推導了機器人三腳支撐期質心運動軌跡方程;採用三次樣條曲線插值規劃了四足支撐期加速度連續的質心運動軌跡。 -
The three - phase to four - phase transformer with a four - phase four - leg structure solves the problem. the windings on each leg of this transformer are not more than three
這種變壓器每相鐵心柱上的繞組不超過三個，是不等相變換的最簡單形式。 -
By using phase shifting control between right bridge leg and left bridge leg, the output cy cloconverter commutating while the bi - polarity three - state high frequency ac volage from the input cycloconveter is zero, . and commutation overlap of the output cycloconverter and polarity selection of the input voltage, the leakage inductance energy and the output filtering inductance current are naturally commutated, and zvs switching of the output cycloconverter are realized, the surge voltage and surge current of the output cycloconverters are overcome
通過輸入周波變換器右橋臂相對左橋臂的移相，讓輸出周波變換器功率開關在輸入周波變換器輸出的高頻交流電壓為零期間進行換流，並藉助輸出周波變換器換流重疊和輸入電壓極性選擇，從而實現了變壓器漏感能量和輸出濾波電感電流的自然換流、輸出周波變換器的zvs開關，解決了輸出周波變換器固有的電壓過沖和環流問題。 -
Based on the research on one - cycle control theory, one - cycle control is applied to three - phase four - wire apf with four - leg in this paper. analysis for the average model of the apf in switching period is performed and the control equation is derived
本文在研究單周控制理論的基礎上，將單周控制用於四橋臂三相四線制有源電力濾波器，通過分析其開關周期平均模型，推導出它的控制方程。 -
A novel single phase three - level inverter is proposed, which is named hybrid three level inverter. a leg of neutral - point clamped inverter takes place of one of the two legs of the conventional full - bridge inverter. the great advantage is the harmonics of the output voltage is reduced a lot, so the size of the output filter can be reduced greatly
本文提出一種單相復合式全橋三電平逆變器，它是將傳統全橋逆變器的一個橋臂換為中點箝位三電平橋臂，這樣逆變器可以輸出三電平的電壓波形，其諧波含量被大大減小，因此輸出濾波器的大小可以減小。
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