Active damping of the camera support mast of a Cherenkov Gamma-ray telescope

被引：4
|
作者：
Smrz, M. [2 ]
Bastaits, R. [1 ]
Preumont, A. [1 ]
机构：
[1] Univ Libre Bruxelles, Act Struct Lab, B-1050 Brussels, Belgium
[2] Czech Tech Univ, Fac Mech Engn, Dept Mech Biomech & Mechatron, CR-16635 Prague, Czech Republic
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2011年 / 635卷 / 01期
关键词：
Cherenkov telescope; Active damping; Telescope structure; TENDON CONTROL; MAGIC TELESCOPE;
D O I：
10.1016/j.nima.2011.01.092
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
This paper explores the possibility of damping actively the camera support mast of Gamma-ray telescopes with a configuration similar to the MAGIC telescope, where the camera is supported by a curved mast and an array of cables. This is achieved by replacing a set of passive cables by a set of active ones, controlled by active tendons. Each active tendon consists of a displacement actuator collocated to a force sensor with independent force feedback control loops. The paper outlines the theory of decentralized active damping of cable-structures, points out the main design parameters, and evaluates the amount of damping that the control system can provide. The effect of the control on the wind response and on the transient response of the telescope is estimated. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：44 / 52
页数：9
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