压电驱动器布置对光栅拼接误差的影响

Zhang Junwei; Chen Wei; Zhou Yi; Wang Xiao; Zhou Hai; Liu Pengwei; Huang Jinyong

doi:10.3788/HPLPB20122406.1295

Volume 24 Issue 06

May 2012

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(06): 1295-1300

Jiang Ge, Yang Chen, Zhou Xiaoqing, et al. Application of radar signal processing in terahertz imaging[J]. High Power Laser and Particle Beams, 2013, 25: 1555-1560. doi: 10.3788/HPLPB20132506.1555

Citation:

Zhang Junwei, Chen Wei, Zhou Yi, et al. 压电驱动器布置对光栅拼接误差的影响[J]. High Power Laser and Particle Beams, 2012, 24: 1295-1300. doi: 10.3788/HPLPB20122406.1295

Jiang Ge, Yang Chen, Zhou Xiaoqing, et al. Application of radar signal processing in terahertz imaging[J]. High Power Laser and Particle Beams, 2013, 25: 1555-1560. doi: 10.3788/HPLPB20132506.1555

Citation:

Zhang Junwei, Chen Wei, Zhou Yi, et al. 压电驱动器布置对光栅拼接误差的影响[J]. High Power Laser and Particle Beams, 2012, 24: 1295-1300. doi: 10.3788/HPLPB20122406.1295

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压电驱动器布置对光栅拼接误差的影响

doi: 10.3788/HPLPB20122406.1295

Zhang Junwei^{张军伟1,2
,
,},
Chen Wei²,
Zhou Yi²,
Wang Xiao¹,
Zhou Hai¹,
Liu Pengwei²,
Huang Jinyong²

1.
Research Center of Laser Fusion,CAEP,P.O.Box 919-988,Mianyang 621900,China;
2.
College of Mechanical Engineering,Chongqing University,Chongqing 400030,China

Received Date: 2011-08-22
Rev Recd Date: 2012-03-05
Publish Date: 2012-06-15

Abstract

Abstract

分析了两种光栅拼接调整机构（三角形和L形），利用有限元分析软件对这两种光栅调整机构进行了模态分析和优化分析设计。相同光栅尺寸下（以口径为450 mm420 mm60 mm光栅为例），驱动器三角形分布的固有频率与L形分布的固有频率相差无几，一阶频率分别为58.816 Hz和58.864 Hz。对两种驱动器布置方式引入的误差进行了分析比较，计算结果表明:三角形调整机构的最大误差比L形的大，同时三角形分布控制算法较L形的复杂。在主动控制中三角形模型误差迭代次数多，不利于控制。因此L形的压电驱动器布置方式优于三角形。
- grating tiling,
- optimization analysis,
- error analysis,
- adjustment mechanism,
- piezoelectric actuators

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