Realization of the New System to Control the Vibration in Nano-meter Accuracy for Next Generation High Energy Accelerator

实现下一代高能加速器纳米精度振动控制新系统

基本信息

批准号：
16340065
负责人：
YAMASHITA Satoru
金额：
$ 10.37万
依托单位：
The University of Tokyo
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (B)
财政年份：
2004
资助国家：
日本
起止时间：
2004 至 2006
项目状态：
已结题

项目摘要

The purpose of the research is to realize a new system to control and cancel the vibration with an accuracy of nanometer level, which is one of the key technologies to realize a new generation high-energy accelerator, such as the International Linear Collider, for the particle physics. The research has been conducted step by step as follows; the measurement of an actual vibration at the accelerator facility, the conceptual design of the mover system, the analyses of the intrinsic vibration of the mover, and detailed design. The structure of the mover designed through the research has been fabricated by Tokko-kiki cooperation Ltd. The mover consists of two stages with different mechanism of the position control, one for the coarse alignment with long dynamic range (4 mm), and one for the accurate control in nano-meter accuracy by piezo actuator put on the top of the coarse mover. The structure realizes both the long dynamic range and accurate control of the position of the surface of th … More e top of the structure where the accelerator devices are put on, which can remove the problematic vibration of the magnet down to nano-meter scale. The performance of the system has been tested. For this purpose we have made a system that consists of a position monitor, ADC to read the signal from the monitor, a PC to analyze and control the system, DAC to control the stretch length of the piezo actuators. The movement accurately controlled has been observed down to 10 nano-meter which is limited simply by accuracy of the position monitor. The performance of the fast feedback to remove the vibration has been tested. A artificial vibration was generated by a vibrator and the actuators are controlled to cancel the vibration. We have demonstrated the cancellation of the vibration at the level of 10-20 nm when the vibrator was operated at 1 Hz with 40 nm pulse height. The reason of the limited accuracy of the feedback was found that the time-loss to read and control the ADC and DAC through the PC, and the accuracy of the monitor, and the system is operated as we have expected. Consequently, we have successfully created a new system to cope with nano-meter vibration for the next generation high-energy accelerator Less

该研究的目的是实现一种新系统，以纳米水平的准确性来控制和取消振动，这是实现新一代高能加速器的关键技术之一，例如国际线性碰撞器，用于粒子物理。该研究已逐步进行如下；测量加速器设施的实际振动，搬运系统的概念设计，搬运工的内在振动的分析以及详细的设计。 Tokko-Kiki Comporation Ltd制造了通过研究设计的搬运工的结构。搬运工由两个具有不同位置控制机制的阶段组成，一个用于位置控制的机制，用于长度动态范围（4 mm）的粗对齐方式，一个用于在Piezo Actuator中精确控制的精度，由Piezo Actuator置于Coper Cover Molover of Cover Molover的顶部。该结构既实现了长的动态范围，又可以准确控制TH的表面位置。该系统的性能已经进行了测试。为此，我们制造了一个由位置监视器组成的系统，ADC读取监视器的信号，PC分析和控制系统，DAC以控制压电执行器的拉伸长度。精确控制的运动已被观察到10纳米米，仅受位置监视器的准确性而限制。已经测试了快速反馈以消除振动的性能。通过振动器产生人工振动，并控制执行器以取消振动。当振动器以40 nm的脉冲高度以1 Hz操作时，我们已经证明了在10-20 nm处的振动的取消。反馈准确性有限的原因是，通过PC读取和控制ADC和DAC的时间损坏以及监视器的准确性以及系统按照我们的预期运行。因此，我们成功地创建了一个新系统，以应对下一代高能加速器的纳米米振动较少