varying acceleration 中文意思是什麼
-
Engine operating conditions cold be changed quickly and are very bad sometimes, such as : from suddenly cranking to driving in winter, acceleration to sudden torque demand. in the light of zero emission vehicles, in order to achieve better hot efficiency, maximum power, higher safety and best emission, engine controls become more and more difficult. automotive engines are typical nonlinear, time - delay, time - varying parameter systems
汽車發動機使用環境變化大，使用條件有時非常惡劣，從寒冷的冬天突然啟動進入行駛狀態，行駛過程中的突然加速，急劇的扭矩變化等等，在這樣的條件下，為了使其熱效率、輸出功率、行駛性、安全性和排氣清潔性處于最佳狀態，給汽車發動機的控制帶來了極大的困難，特別是零排放汽車排放標準的提出，對發動機控制提出了更高的要求。 -
The shape and distribution of inner stress of optical elements will vary in the space circumstances or other special operation conditions ， which will influence its optical characteristicdramatically. in this paper, the influence of the inertial load aroused by the large acceleration has been performed ; the effects of the varying circumstance temperature on the optical element have beenstudied preliminarily by use of finite element method
航天及其它特殊領域的工作環境，會使光學元件的形狀及內部應力發生變化，進而對其光學特性產生明顯的影響.本文運用有限元法，在考慮大加速度引起的慣性載荷的影響的同時，對不同環境溫度下元件形狀及內部應力的變化亦作了初步的研究 -
Some basic concepts on dynamics of varying acceleration motion
關于變加速動力學運動的一些基本概念
分享友人