Institutional Repository of Radio Astronomy Research Laboratory
| Re-Optimized Design for the ADR-Based Dual-Loop Controller of 100 m Class Aperture Radio Telescope | |
Li, Ning1,2 ; Xu, Qian1,2; Wang, Na1,2; Liu, Zhiyong1,2
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| 2024-07-01 | |
| Source Publication | MACHINES
 |
| Volume | 12Issue:7Pages:448 |
| Contribution Rank | 1 |
| Abstract | Pointing accuracy is a crucial performance index for a fully steerable large-aperture radio telescope and is subject to external and internal disturbances. Improvement of the antenna's servo control performance is meaningful for pointing, especially for blind pointing of the antenna. This paper firstly establishes a multi-motor-driving four-degrees-of-freedom (DOF) model of an antenna servo system, then optimizes the original design consisting of the active disturbance rejection (ADR)-based velocity controller and lead-lag-based position controller, making the velocity controller a novel linear ADR-based controller coupled with a disturbance-velocity compensation (DLADRC) and the position controller the simplest proportional (P) controller. Simulation results based on a 100 m class radio telescope servo model indicate that the new control system's velocity-loop response is smoother, the position-loop peak disturbance response is reduced by 17.8%, the position-loop dynamic performance with the short settling time and slight overshoot remains the same as the former PD-LADRC system, and the RMS pointing/tracking error is 2.16 arcsec under a mean wind of 3 m/s, less than the design specification of 2.5 arcsec RMS required. |
| Keyword | large-aperture radio telescope pointing accuracy anti-disturbance dynamic performance |
| DOI | 10.3390/machines12070448 |
| Indexed By | SCI |
| Language | 英语 |
| WOS Keyword | DISTURBANCE REJECTION ; ANTENNA ; SYSTEMS ; MODEL |
| Funding Project | National Natural Science Foundation of China[12303099] ; Chinese Academy of Sciences[PTYQ2022YZZD01] ; Shaanxi Key Laboratory of Antenna and Control Technology |
| WOS Research Area | Engineering |
| WOS Subject | Engineering, Electrical & Electronic ; Engineering, Mechanical |
| WOS ID | WOS:001277404400001 |
| Publisher | MDPI |
| Funding Organization | National Natural Science Foundation of China ; Chinese Academy of Sciences ; Shaanxi Key Laboratory of Antenna and Control Technology |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.xao.ac.cn/handle/45760611-7/6890 |
| Collection | 射电天文研究室_天线技术实验室 110米口径全可动射电望远镜（QTT）_技术成果 射电天文研究室_脉冲星研究团组 |
| Corresponding Author | Wang, Na |
| Affiliation | 1.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Peoples R China 2.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Peoples R China |
| First Author Affilication | Xinjiang Astronomical Observatory, Chinese Academy of Sciences |
| Corresponding Author Affilication | Xinjiang Astronomical Observatory, Chinese Academy of Sciences |
| Recommended Citation GB/T 7714 | Li, Ning,Xu, Qian,Wang, Na,et al. Re-Optimized Design for the ADR-Based Dual-Loop Controller of 100 m Class Aperture Radio Telescope[J]. MACHINES,2024,12(7):448. |
| APA | Li, Ning,Xu, Qian,Wang, Na,&Liu, Zhiyong.(2024).Re-Optimized Design for the ADR-Based Dual-Loop Controller of 100 m Class Aperture Radio Telescope.MACHINES,12(7),448. |
| MLA | Li, Ning,et al."Re-Optimized Design for the ADR-Based Dual-Loop Controller of 100 m Class Aperture Radio Telescope".MACHINES 12.7(2024):448. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| Li-2024-Re-Optimized（2328KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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