盾构管片拼装机电液系统高速-低冲击控制方法

发布时间：2018-05-23 20:11

本文选题：盾构机 + 管片拼装机　；参考：《浙江大学学报(工学版)》2017年10期

【摘要】：为了解决当前管片拼装机回转系统转速低且存在较大启动冲击的问题,提出采用蓄能器回路变速积分控制的高速管片拼装电液控制系统.通过根据误差信号幅值实时调整积分系数,使系统在获得较高运动精度的同时,有效地抑制了系统冲击;通过在液压马达两端增加蓄能器,吸收液压冲击,减小启动阶段的冲击振荡.利用AMESim软件建立管片拼装机回转系统仿真模型,通过对比仿真数据与实验数据验证了该模型的有效性,利用修正后的仿真模型对管片拼装机回转系统进行仿真分析.结果表明,采用提出的高速-低冲击控制方法,可以将管片拼装机回转系统的转速由当前的1.5r/min提高到6r/min,能够有效地降低启动阶段的系统冲击,避免出现系统冲击力矩随转速升高而变大的现象.
[Abstract]:In order to solve the problem of low rotational speed and large start-up impact in the rotary system of segment assembly machine, a high speed segment assembly electro-hydraulic control system using accumulator loop variable speed integral control is proposed. By adjusting the integral coefficient according to the amplitude of the error signal in real time, the system can obtain high motion precision and effectively restrain the system impact, by adding accumulator at both ends of the hydraulic motor to absorb the hydraulic shock, Reduce the shock oscillation in the start-up phase. The simulation model of the rotary system of the segment assembly machine is established by using AMESim software. The validity of the model is verified by comparing the simulation data with the experimental data. The modified simulation model is used to simulate and analyze the rotary system of the segment assembly machine. The results show that the rotating speed of the rotary system of the segment assembly machine can be increased from the current 1.5r/min to 6 r / min by using the proposed method of high speed and low impact control, and the system impact in the start-up phase can be effectively reduced. To avoid the phenomenon that the system impact torque increases with the increase of rotational speed.
【作者单位】：大连理工大学机械工程学院;
【基金】：国家自然科学基金资助项目(51605071,U1608256,51505061) 中国博士后科学基金特别资助项目(2016T90218)
【分类号】：U455.39

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