| 激光切割加工中焦点位置控制方案研究 |
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| 引用本文： | 汤漾平,龚时华,朱国力,段正澄. 激光切割加工中焦点位置控制方案研究[J]. 华中科技大学学报(自然科学版), 1998, 0(2) |
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| 作者姓名： | 汤漾平 龚时华 朱国力 段正澄 |
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| 作者单位： | 华中理工大学机械科学与工程学院!430074 |
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| 基金项目： | 国家自然科学基金!59635170，国防科工委自然科学基金 |
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| 摘 要： | 通过研究激光切割焦点位置控制系统的结构模型，确定了控制系统必须满足的性能指标，进而提出PID的控制方案，使系统获得较好的动静态特性．实验证明：运用这种控制方案，系统对斜坡工件和起伏工件的跟踪均能满足要求．
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| 关 键 词： | 激光切割 激光焦点位置 PID控制 |
A Study on Position Control System for Beam Focus during Laser Beam Cutting Process |
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| Tang Yangping, Gong Shihua, Zhu Guoli, Duan Zhengcheng. A Study on Position Control System for Beam Focus during Laser Beam Cutting Process[J]. JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE, 1998, 0(2) |
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| Authors: | Tang Yangping Gong Shihua Zhu Guoli Duan Zhengcheng |
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| Abstract: | After studying the structure model for a beam focus position control system for laser cutting, the performance indexed ought to be met by the system are specified. They are: 1) Regulators that must be in corporated in the controller; 2) The phase angle margin of the system; 3) The cut-off frequency of the system. A PID control scheme is proposed, which will give the system fairly good dynamic and static performances. The control system is tested, and satisfactory slanting and fluctuating objects are achieved. |
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| Keywords: | laser beam cutting laser beam focus position PID control |
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