一个新的对数控机床的双驱动系统同步误差控制方法
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国际精密工程与制造杂志 2013八月,14卷,问题8,PP 1415-1419
驱动对象沿一个轴在两个驱动系统是获得高加速度和一个大型数控机床高推力的一种常用方法。然而,如果两个驱动系统之间存在大的同步运动误差,机器将无法实现高加速度。此外,它也可能导致严重的结构变形和损坏机器。为了解决这个问题,一种新的控制方法相结合的模型参考自适应控制与变结构控制的开发和验证。该方法可以确定和在线补偿同步运动误差之间的两个驱动系统,使主传动装置和一个双驱动系统从驱动单元同步移动没有大的阻力,达到所需的加速度。实验进行了龙门式双轴平台与滑动5公斤的金属块连接轴上。实验结果表明,和平均同步运动误差从0.061毫米减少到0.040毫米和0.032毫米至0.013毫米,分别(立式铣床http://www.x5032.com)。
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