Digital stabilization of a suspended table for fine metrology

机译：悬空工作台的数字稳定化，可实现精细计量

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Digital control design of a suspended table for fine metrology is presented. The problem was suggested by an experiment to measure the universal gravitation constant G, requiring two residual rotations of the table with respect to the horizontal plane to be below 1 nrad. The problem was tackled by assuming a 2D clinometer and accelerometers as transducers. As actuators, linear electric moving-coil motors are necessary to avoid contact between the building and the table. The digital control was designed and tested using a fine numerical simulator of the plant and of environmental disturbances. The simulation tests of a first simplified version of the Digital Control Unit showed that the requirements may be met.

机译：提出了一种用于精密计量的悬挂工作台的数字控制设计。通过测量万有引力常数G的实验提出了该问题，该问题要求工作台相对于水平面的两次残余旋转必须小于1 nrad。通过将2D倾斜仪和加速度计用作传感器来解决该问题。作为执行器，线性电动动圈电动机是必要的，以避免建筑物和工作台之间接触。数字控制系统是使用工厂和环境干扰的精确数字模拟器设计和测试的。对数字控制单元的第一个简化版本的仿真测试表明，可以满足要求。

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来源
《2nd International EUSPEN Conference on Precision Engineering Nanotechnology Vol.1, May 27th-31st, 2001, Turin, Italy》|2001年|p.378-381|共4页
会议地点 Turin(IT)
作者
E. Canuto; S. Tonani;
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作者单位

Politecnico di Torino, Dipartimento di Automatica e Informatica, Torino, Italy;

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原文格式 PDF
正文语种 eng
中图分类机械、仪表工业;
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Digital stabilization of a suspended table for fine metrology

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