loop stress 中文意思是什麼
loop stress
解釋
環狀應力-
Saturated sand are testes in the laboratory under the undrained cyclic loading condition with static - dynamic dual purpose triaxial compression test apparatus, which is designed under the cooperation of hohai university and marui co. ltd japan. the results indicate that the stress path approaches from a initial stress point to the failure lines as cyclic loading goes on, and eventually converges on a certain limiting stress path in the vicinity of the failure lines. the stress - strain curve, however, does not converge on a closed hystersis loop ; the shear strain rapidly increases in looser sand or gradually and continually increases in denser sand
利用河海大學與日本圓井株式會社共同研製的新型的多功能靜動三軸儀進行了飽和砂土循環扭剪不排水試驗，研究表明，對于松砂，剪應變幅度快速地由微小增加到百分之幾甚至百分之十幾，對于緊砂，剪應變幅度逐漸地由微小增加到百分之幾甚至百分之十幾；經試驗初步研究表明用初始有效平均正應力歸一化的有效應力路徑很好的一致性。 -
The stress is basing coal - fired boiler inflammation system feature and control demand to design a kind of fuzzy - pi controller on based of genetic algorithm to control it. the controller refers the error and its variety rate as its inputs. and, in order to make the control qualities much better, concerns them as the performance index to optimize the membership function of the fuzzy variables and the pi ' s controller parameter by means of online adjujsting the genetic algorithm, inflammation system steam pressure loop and economic inflammation loop
重點是針對燃煤鍋爐燃燒系統的特點和控制要求，設計了一種基於遺傳演算法的模糊- pi復合控制器對其進行控制，該控制器以偏差、偏差變化率作為輸入量，通過遺傳演算法在線調整模糊控制器的模糊變量隸屬度函數和pi控制器的參數，從而達到優化模糊控制規則和pi控制器參數的目的，實現燃燒系統的蒸汽壓力迴路和經濟燃燒迴路的控制要求。 -
The research effort offers favorable condition for future research of the shape meter closed - loop computer control system. stress signal generator which can generate the voltage signal similar with rolling tension stress signal is be designed. with the signal generator, testing shape meter control system will be very convenient and its development cycle will be significantly shorten
另外，利用微機和pcl - 812pg數據採集卡等設計並研製出了可以產生符合軋制張力要求的張力信號源，利用張力信號源為板形儀控制系統的實驗、調試提供了方便，可大大縮短板形儀的研製周期。 -
The result shows : the stress state of rock - bolt can be improved by grouting surrounding rock ; combined whole section bolting - shotcreting - grouting support can improve the stress distribution, and can decrease the size of plastic zone in surrounding rock, resulting in a loop bearing structure near by the periphery of roadway and the long - term stabilization of the surrounding rock
結果表明：注漿能夠改善錨桿受力狀況；全斷面注漿與錨噴聯合支護能夠改善圍巖應力分佈狀況，縮小圍巖塑性區范圍，在巷道周邊形成圓形承載拱，從而保證圍巖的長期穩定。 -
Therefore, first the paper investigates the fundamental theory of the phase - locked loop, in which we place stress on the phase - locked loop structure which is suitable for software implementation
因此本文首先研究了鎖相環的基本理論，著重探討了適合用軟體實現的鎖相環結構。
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