KMS of Xinjiang Astronomical Observatory, CAS
| 一种面向增益的大型变形抛物面天线面板精度调整方法 | |
| Alternative Title | Gain-oriented large-scale deformed parabolic antenna panel precision adjusting method |
王从思; 肖岚; 王伟; 陈光达; 米建伟; 周金柱; 宋立伟; 钟剑锋; 郑元鹏; 姜潮; 苗恩铭; 陈卯蒸
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| 2016-02-02 | |
| Patent Number | 201610073940.2 |
| Rights Holder | 西安电子科技大学 |
| Country | 中国 |
| Subtype | 发明 |
| Status | 实质审查的生效 |
| Application Number | CN201610073940.2 |
| Open (Notice) Number | CN105740554A |
| Date Available | 2016-07-06 |
| Abstract | 本发明公开了一种面向增益的大型变形抛物面天线面板精度调整方法，包括确定抛物面天线结构方案及促动器初始位置，建立天线结构有限元模型、促动器支撑面板节点；确定抛物面变形误差上限；计算天线结构自重变形，提取变形抛物面节点信息；计算天线最佳吻合抛物面和变形抛物面的均方根误差；确定变形抛物面与最佳吻合抛物面的对应节点；计算促动器调整量；调整面板位置，更新天线结构有限元模型；根据天线增益要求确定抛物面变形误差上限，判断误差是否在允许范围内，得到最优精度的调整量。本发明可直接计算得出面向增益的促动器调整量，促动器总行程最短，实时性好，天线面精度最优、口面效率最高，从而解决天线因自重变形引起的电性能恶化问题。 |
| Other Abstract | The invention discloses a gain-oriented large-scale deformed parabolic antenna panel precision adjusting method. The method comprises the following steps: confirming the structure scheme of a parabolic antenna and the initial position of an actuator, building a finite element model of the antenna structure and actuator supporting panel nodes; confirming the deformation error upper bound of the paraboloid; calculating the self-weight deformation of the antenna structure and extracting the node information of the deformed paraboloid; calculating the root-mean-square error of an optimally-matched paraboloid and the deformed paraboloid of the antenna; confirming corresponding nodes of the deformed paraboloid and the optimally-matched paraboloid; calculating the adjustment amount of the actuator; adjusting the panel position and updating the finite element model of the antenna structure; and confirming the deformation error upper bound of the paraboloid according to the antenna gain requirement, judging whether the error is in an allowable range or not and obtaining the adjustment amount with optimal precision. By means of the method disclosed by the invention, the gain-oriented adjustment amount of the actuator can be directly calculated; the actuator total travel is shortest and the real-time performance is good; both the antenna surface precision and the aperture efficiency are highest; and therefore, the electrical property deterioration problem caused by the self-weight deformation of the antenna is solved. |
| Classification | G06F17/50 |
| Language | 中文 |
| Patent Agent | 西安通大专利代理有限责任公司 61200 |
| Document Type | 专利 |
| Identifier | http://ir.xao.ac.cn/handle/45760611-7/1528 |
| Collection | 110米口径全可动射电望远镜（QTT）_110米大口径全可动射电望远镜关键技术研究（973项目）_课题2：复杂环境下天线结构保型与高精度指向控制 射电天文研究室 |
| Affiliation | 西安电子科技大学 |
| Recommended Citation GB/T 7714 | 王从思,肖岚,王伟,等. 一种面向增益的大型变形抛物面天线面板精度调整方法. 201610073940.2[P]. 2016-02-02. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| 2016100739402.pdf（3295KB） | 专利 | 开放获取 | CC BY-NC-SA | Application Full Text | ||
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