point contact method 中文意思是什麼

point contact method 解釋
接觸樣點法
  • point : n 1 尖頭,尖端;尖頭器具;〈美國〉筆尖;接種針,雕刻針,編織針;小岬,小地角;【拳擊】下巴。2 【...
  • contact : n 1 接觸;聯系;交涉。2 〈美國〉(有勢力的)熟人;門路。3 【數學】相切;【電學】接觸;觸頭;觸點...
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. The main job of this research is : ( 1 ) analyze the operation situation of power system during faults ; pay attention to the traveling wave on the three - phase transmission line ; study the equation of voltage on three - phase transmission line with impedance capacitance coupling between phases ; contact the voltage on any point with the fault voltage, study the singularity of the voltage signal in fault point, and make it to be the base of the new fault detection method ; ( 2 ) apply the singularity detection theory based on wavelet analysis to the power system faults detection, give a complementary criterion to current fault detection criterion, study how to select the basic wavelet, how to filter noise, how to detect the singular point or fault point, and finally give a total solution. the simulations prove it to be a quick, correct and effective fault detection method

    本文的主要工作有: ( 1 )分析電力系統在發生故障時的運行狀態,尤其對三相傳輸線上的故障行波進行了分析和研究,推導了考慮相間耦合的三相傳輸線電壓方程,並將傳輸線上任一點的電壓與故障點電壓建立起聯系,得出了傳輸線上電壓信號在故障點處的奇異性,並以此作為構造新的故障檢測演算法的理論基礎; ( 2 )將基於小波變換的信號奇異性檢測理論運用於電力系統故障檢測中,針對目前相關研究的不足,提出了電力系統故障檢測判據的補充判據,通過對基本小波的選擇、除噪措施、信號奇異點也即故障點的檢測方法所作的分析,給出了一個可行的解決方案;模擬研究表明:這是一個快速、準確、有效的故障檢測演算法。
  2. The supervisory system of contact net load switch is introduced in liupanshui hinge ; moreover its method of installation and debugging and attentive key point are given combining with this system

    摘要介紹了六盤水樞紐接觸網負荷開關監控系統,並結合該系統給出了其安裝調試的方法及其注意要點。
  3. A model is made according to the bearing and screw style, and the static analysis of the model has been done under launch environment. in the static analysis the couple point method is accepted for the solution of the relationship between the contact parts of the mechanism

    然後利用ansys軟體進行了發射荷載條件下機構的強度校驗,在其中提出了利用耦合點來解決有接觸構件的力學分析問題,可以基本滿足問題的要求。
  4. The question of ultra - sonic inspection on weld defect detecting of net frame spherical shape contact point is introduced in this paper, the detected rate of weld defect of net frame spherical shape contact point was significantly increased by improving the ultra - sonic exploring block, ultrasonic sensitivity special standard reference block and reference block, and ultra - sonic inspection process method

    摘要介紹了超聲波探傷技術在檢測網架球接點焊縫缺陷中存在的問題;通過對超聲波探頭、靈敏度專用標準當量試塊和參考試塊以及超聲波探傷工藝等的改進,提高了球接點網架焊縫缺陷的檢出率。
  5. Based on image process, a new method is proposed to measure void fraction without contact. this method breaks through the traditional point measure and sensor technology

    本文突破了點測量和機械探頭傳感器等傳統的摻氣濃度測量方法,採用非接觸測量法,首次將計算機圖像處理技術應用於水流摻氣濃度的實測。
  6. Major contents of the thesis are as follows : 1 ) based on brief introduction of the profile theory about the spatial cam sliding tooth transmission, those formulas correlated to the mechanics feature are deduced to calculate the geometrical parameters ; 2 ) according to the hertz contact theory in elastic - mechanics, the mechanics analysis model of the spatial cam sliding tooth transmission is built up ; the deformation harmonizing conditions at each contact point are erected ; the force analysis formulas of point contact are deduced and the resolution method is presented ; 3 ) the numerical calculating software about the deformation of the spatial cam sliding tooth transmission is developed ; using the software, the force characteristics of the spatial cam sliding tooth transmission are calculated with different design parameters ; the general law on force characteristics of this transmission is obtained

    論文的主要內容包括: 1 )在簡要介紹空間凸輪活動傳動齒廓理論的基礎上,推導了與力學特性相關的幾何參數的計算公式。 2 )建立了空間凸輪活動傳動的力學分析模型;依據彈性力學赫茲接觸理論,建立了各接觸點之間的變形協調條件,推導了空間凸輪活齒傳動點接觸受力分析公式,並給出了求解的方法。 3 )開發了關于空間凸輪活動傳動受力變形的數值計算軟體;應用該軟體,對不同設計參數的空間凸輪活齒傳動的受力特性進行了數值計算,獲得了該傳動受力變形的一般規律。
  7. The author proposes a new contact point regress method which can be applied to any type of sc profile inspection by use of coordinate measuring machine ( cmm ), establishes a mathematical model for data processing and error evaluation method, solves the puzzles of the spatial cam profile inspection and error calculation

    提出了以三坐標測量機為工具,適合於任何形式空間凸輪廓面檢測的接觸點回歸法,給出了數據處理的數學模型和誤差計算方法,解決了空間凸輪廓面檢測與誤差計算的難題。
  8. The results of study show that contact problem of spiral bevel gears is an irreversible process. the initial clearance of contact curved surface, the contact point initialization of possible contact area and uncontact point deleting method are all affected calculating objective

    研究表明,螺旋錐齒輪齒面接觸問題的求解過程是復雜的不可逆過程,接觸曲面的初始間隙量、可能接觸點對的預置以及非接觸點的刪除都影響求解的結果。
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