逆弧 的英文怎麼說

中文拼音 [nìhú]
逆弧 英文
arc back
  • 逆 : Ⅰ形容詞1 （方向相反） contrary; counter 2 [數學] inverse; converse Ⅱ動詞1 （抵觸; 不順從） go aga...
  • 弧 : 名詞1. [數學] （圓周的任意一段） arc2. （古代指弓） bow
  1. The tig inverter welder based on soft - switching technology

    基於軟開關技術的氬弧焊逆變焊機
  2. Abstract : the author discusses how to suppress electro - magneticinterference from electric - network and converting arc welder itself in electromagetic compatible technical, and then guaranteed the normal operating of equipment

    文摘:闡述了用電磁兼容技術抑制來自電網及逆變弧焊機自身產生的電磁干擾，保證了設備的正常工作。
  3. Consequential arc back

    持續性逆弧
  4. Igbt power modules, 25khz inverterfrequency, fast response time, high arc stability, almost spatter - free welding

    採用igbt模塊，逆變頻率達25khz ，動態響應速度快，穩弧性能好，焊接飛濺極小。
  5. Research on igbt inversional dc argon welder

    逆變式直流氬弧焊機的研究
  6. This paper introduced the structure and the work principle of igbt inversional dc argon welder and analysed the new techniques used for the welder

    文章介紹了igbt逆變式直流氬弧焊機的結構和工作原理，並對焊機中所採用的新技術進行了分析。
  7. In long views, arc - welding inverter is the trend of welding power supply

    從長遠觀點來看，弧焊逆變電源是焊接電源的發展方向。
  8. A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path

    本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討，在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型，推導出了一個通用的移動機器人堆積方程，在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解；使用muir和newman的運動學建模方法，推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法；在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析：推導了一種理論精度較高的航位推算演算法，並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬；最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路，較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題；本論文研究成果已在本實驗室所開發的樣機上得到實現，經過應用與考核證明其中的分析與設計是切實可行的。
  9. The arc has a sweep angle of 180 degrees, which is counterclockwise in the default coordinate system

    該弧的掃描角為- 180度，此角度在默認的坐標系中是按逆時針方向旋轉的。
  10. The variable polarity power supply circuit uses two stages full - bridge inverter, the former inverter is regarded as a constant - current source with fast dynamic response, and supplys energy for the second one, and the latter one is to produce variable polarity current excellently, and low - frequency pulse current by variable polarity power supply is used to reduce input energy and control the shape of weld bead while welding. a series of high - frequency pulse current is superposed on direct - current - electrode - negative ( dcen ) current through the high - frequency pulse power supply, which is used to compress the arc and improve process of crystallization

    其中變極性電源採用二次全橋逆變結構，一次逆變提供快速的響應速率並給二次逆變提供能量，二次逆變提供良好的變極性性能，使輸出能量最優化，並用其低頻電流特性減小電弧線能量，控制焊縫成形;高頻脈沖電源提供的高頻電流疊加在反極性電流dcen上，利用電流的高頻特性壓縮電弧，改善焊縫金屬結晶過程。
  11. Study on inverse problem of electric field for high voltage sf6 arc quenching chamber

    6斷路器滅弧室電場逆問題求解研究
  12. Use the gear to translate the input to two " arc " blade to rotate clockwise and counter - clockwise, to transit fluid from down to up side

    利用齒輪使輸入成為一順一逆的方向轉動，帶動兩圓弧線型式葉片把液體由下往上輸送。
  13. Study on the control circuits of external characteristic and dynamic characteristic of igbt manual metal arc welding inverter

    逆變式手弧焊電源外特性與動特性控制電路研究
  14. The increment - iteration solution strategy is adopted in the nonlinear finite element analysis. arc - length method and the incremental plastic reversibility procedure are used to find the complete load - deflection curve and deal with elastic unloading occurring in elasto - plastic analysis

    有限元分析中採用增量?迭代方法，結合弧長法和塑性增量可逆的假定，可以計算出完整的荷載位移曲線，並考慮彈塑性問題中可能出現的彈性卸載問題。
  15. Arc - back protection

    逆弧保護
  16. Back fire fault

    逆弧故障
  17. The arc - welding inverter power supply has the advantages of well controllability, fast dynamic response and having facility in realizing real - time control. it has great potential in performance. so it has been used more and more widely

    弧焊逆變電源具有控制性能好、動態響應快、易於實現焊接過程的實時控制等優點，在性能上具有很大的潛在優勢，因此在焊接領域得到越來越廣泛的應用。
  18. An principle analysis to parallel connection circuit of output rectification circuits of arc welding inverter

    弧焊逆變器輸出整流電路的並聯問題及分析
  19. The design of intelligent man - machine interface for multi - functional inverter welder

    多功能逆變式弧焊機智能化人機界面設計
  20. Development of inverter ac pmig arc welding power source

    逆變弧焊電源的研製
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