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Research on the vertical dynamics of high-speed elevator system

机译：高速电梯系统垂直动力学研究

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摘要

A more accurate vertical dynamic model with nine degree-of-freedom (DOF) is proposed for better describing the vertical dynamics of high-speed elevator system. By developing a calculation program according to the proposed dynamic model, the dynamics behavior of a 2:1 high-speed roping elevator with rise over 24 meters is numerically calculated in empty load and full load cases at three landing positions: bottom, middle, and top floors. Under the test conditions identical with the simulation but without full load case, modal experiment is applied to an elevator having the same specifications as simulated one. The proposed model is confirmed by comparing numerical and experimental results, and both results indicate that the vertical dynamic characteristics of high-speed elevator are time variant. It is also presented that the low order frequency of high-speed elevator is not sensitive to the variation of hoist rope length but greatly influenced by passenger load.
机译：为了更好地描述高速电梯系统的垂直动力学特性，提出了一种具有九个自由度（DOF）的更精确的垂直动力学模型。通过根据提出的动力学模型开发计算程序，可以在空载和满载情况下，在三个着陆位置（底部，中间和地面）空载和满载的情况下，数值计算出24：1的24：1高速绕绳电梯的动力学行为。顶层。在与模拟相同但没有满载情况下的测试条件下，模态实验被应用于具有与模拟相同规格的电梯。通过比较数值和实验结果证实了所提出的模型，并且两个结果都表明高速电梯的垂直动态特性是时变的。研究还表明，高速电梯的低阶频率对提升绳长度的变化不敏感，而受载客量的影响很大。

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