Prof. Changzhi Ren Profile

Prof. Changzhi Ren

at NIAOT CAS

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Author

Publications (20)

Proceedings Article | 29 August 2022 Poster + Paper

Optimal design and method of Cassegrain instrument unit for 1.2 m Sun Yat-sen University telescope

Changzhi Ren, Kai Zhang, Zhengyang Li

Proceedings Volume 12191, 121911X (2022) https://doi.org/10.1117/12.2626964

KEYWORDS: Electromechanical design, Mirrors, Switching, Spectrographs, Telescopes, Calibration

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Proceedings Article | 10 July 2018 Paper

The key technology of large telescope tracking system based on integrated super-low speed bearingless motor

Changzhi Ren, Xiajie Zhang, Jin Xu, XiaoLi Song, Zhongyu Yue, Yu Ye

Proceedings Volume 10706, 1070641 (2018) https://doi.org/10.1117/12.2311425

KEYWORDS: Magnetism, Telescopes, Electromagnetism, Systems modeling, System integration

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Proceedings Article | 6 July 2018 Paper

Application of intelligent fuzzy PID control algorithm in large astronomical telescope tracking system

Xiajie Zhang, Changzhi Ren

Proceedings Volume 10700, 107005K (2018) https://doi.org/10.1117/12.2310270

KEYWORDS: Telescopes, Control systems, Fuzzy logic, Detection and tracking algorithms, Complex systems, Astronomical telescopes, Device simulation

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Proceedings Article | 5 August 2014 Paper

Design of one large telescope direct drive control system based on TMS320F28xx

Xiao-li Song, Da-xing Wang, Chao Zhang, Zhen-chao Zhang, Li-yan Chen, Chang-zhi Ren

Proceedings Volume 9150, 91501L (2014) https://doi.org/10.1117/12.2055134

KEYWORDS: Field effect transistors, Control systems, Telescopes, Control systems design, Large telescopes, Astronomical telescopes, Optical instrument design, Astronomy, Signal processing, Computer programming

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Proceedings Article | 22 July 2014 Paper

Integration and commissioning of the China SONG Telescope Tracking System

Changzhi Ren, Hai Wan, Heng Li, Jin Xu, Guomin Wang, Xiang Jiang

Proceedings Volume 9145, 91453R (2014) https://doi.org/10.1117/12.2054702

KEYWORDS: Telescopes, Servomechanisms, Control systems, Stars, Computer programming, Astronomical telescopes, Astronomical imaging, Diffraction, Optical instrument design, Astronomy

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Proceedings Article | 22 July 2014 Paper

TCS software for the SONG telescope

Hai Wang, Changzhi Ren

Proceedings Volume 9145, 914552 (2014) https://doi.org/10.1117/12.2054589

KEYWORDS: Telescopes, Software development, Control systems, Stars, Computer programming, Detection and tracking algorithms, Optical instrument design, Motion controllers, Astronomical telescopes, Observatories

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Proceedings Article | 22 July 2014 Paper

Introduction of Chinese SONG telescope

Guomin Wang, Xiang Jiang, Hai Wang, Songfeng Kou, Dongsheng Niu, Yu Ye, Jin Xu, Zhiyong Zhang, Linzhe Xu, Changzhi Ren, Zhongyu Yue

Proceedings Volume 9145, 914510 (2014) https://doi.org/10.1117/12.2054705

KEYWORDS: Mirrors, Telescopes, Control systems, Actuators, Autocollimators, Astronomical imaging, Cameras, 3D modeling, Feedback control, Astronomical telescopes

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Proceedings Article | 18 July 2014 Paper

The sliding mode control algorithm used in the SONG tracking servo system

Yong Niu, Changzhi Ren, Heng Li

Proceedings Volume 9152, 91521W (2014) https://doi.org/10.1117/12.2055450

KEYWORDS: Control systems, Telescopes, Servomechanisms, Detection and tracking algorithms, Switching, Mathematical modeling, Space telescopes, Astronomy, Diffraction, Automatic tracking

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Proceedings Article | 18 July 2014 Paper

Application of combined controller based on CMAC and nonlinear PID in dual redundant telescope tracking system

Heng Li, Changzhi Ren, Libin Song, Jun Wu

Proceedings Volume 9152, 91521V (2014) https://doi.org/10.1117/12.2055106

KEYWORDS: Control systems, Telescopes, Complex systems, Nonlinear control, Servomechanisms, Detection and tracking algorithms, Device simulation, Astronomical telescopes, Astronomy, Computer simulations

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Proceedings Article | 25 September 2012 Paper

China SONG telescope tracking system based on direct drive technology

Changzhi Ren, Jin Xu, Yu Ye, Guomin Wang, Xiang Jiang

Proceedings Volume 8449, 84491N (2012) https://doi.org/10.1117/12.924813

KEYWORDS: Telescopes, Control systems, Optical instrument design, Servomechanisms, Stars, Space telescopes, Signal processing, Observatories, Diffraction, Computer programming

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Proceedings Article | 17 September 2012 Paper

Optics derotator servo control system for SONG Telescope

Jin Xu, Changzhi Ren, Yu Ye

Proceedings Volume 8444, 84444T (2012) https://doi.org/10.1117/12.924943

KEYWORDS: Servomechanisms, Control systems, Telescopes, Motion controllers, Control systems design, Computer programming, Computer architecture, Computing systems, Telecommunications, Astronomical imaging

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Proceedings Article | 17 September 2012 Paper

Introduction of Chinese SONG Telescope

Guomin Wang, Songfeng Kou, Dongsheng Niu, Zhiyong Zhang, Xiang Jiang, Changzhi Ren

Proceedings Volume 8444, 84445T (2012) https://doi.org/10.1117/12.926090

KEYWORDS: Telescopes, Mirrors, Control systems, Computer programming, Feedback control, Astronomical telescopes, Astronomical imaging, Optical instrument design, Prisms, Domes

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Proceedings Article | 17 September 2012 Paper

Synchronous redundant control algorithm in the telescope drive system

Changzhi Ren, Yong Niu, Xiaoli Song, Jin Xu, Xiaoyan Li

Proceedings Volume 8444, 84444W (2012) https://doi.org/10.1117/12.924871

KEYWORDS: Telescopes, Space telescopes, Control systems, Reliability, Astronomy, Astronomical telescopes, 3D modeling, Digital signal processing, Large telescopes, Spatial resolution

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Proceedings Article | 13 September 2012 Paper

Design and control of one precise tracking simulation bed for Chinese 20/30 meter optic/infrared telescope

Changzhi Ren, Xiaoyan Li, Xiaoli Song, Yong Niu, Aihua Li, Zhenchao Zhang

Proceedings Volume 8450, 84505C (2012) https://doi.org/10.1117/12.924821

KEYWORDS: Telescopes, Electromechanical design, Space telescopes, Optical instrument design, Device simulation, Control systems, Astronomical telescopes, Reliability, Bridges, Astronomy

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Proceedings Article | 13 September 2012 Paper

Research on large aperture telescope drive control technology

Xiaoyan Li, Daxing Wang, Xiaoli Song, Changzhi Ren, Zhenchao Zhang

Proceedings Volume 8450, 84505B (2012) https://doi.org/10.1117/12.925779

KEYWORDS: Telescopes, Large telescopes, Control systems, Space telescopes, Electromagnetism, Astronomical telescopes, Control systems design, Servomechanisms, Optical instrument design, Astronomical imaging

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Proceedings Article | 14 October 2010 Paper

Design and control of the precise tracking bed based on complex electromechanical design theory

Changzhi Ren, Zhao Liu, Liao Wu, Ken Chen

Proceedings Volume 7654, 76540K (2010) https://doi.org/10.1117/12.867578

KEYWORDS: Electromechanical design, Mechatronics, Control systems design, Control systems, Device simulation, Servomechanisms, Complex systems, System integration, Manufacturing, Reliability

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Proceedings Article | 23 July 2010 Paper

Design and simulation of the direct drive servo system

Changzhi Ren, Zhao Liu, Libin Song, Qiang Yi, Ken Chen, Zhenchao Zhang

Proceedings Volume 7739, 773938 (2010) https://doi.org/10.1117/12.853489

KEYWORDS: Telescopes, Electromechanical design, Device simulation, Optical instrument design, Mechatronics, Control systems design, Servomechanisms, Complex systems, Space telescopes, Manufacturing

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Proceedings Article | 23 July 2008 Paper

One Arc PMSM for telescope tracking system

Changzhi Ren, Zhenchao Zhang, Daxing Wang, Wei Hu, Zhenlian Zhu

Proceedings Volume 7018, 701842 (2008) https://doi.org/10.1117/12.786583

KEYWORDS: Telescopes, Silicon, Manufacturing, Large telescopes, Optical instrument design, Phase modulation, Astronomy, Optical alignment, Spatial resolution, Complex systems

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Proceedings Article | 18 July 2008 Paper

Research and implementation of a large telescope control system based on wireless smart sensors

Xiaoying Shuai, Zhenchao Zhang, Changzhi Ren, Yongtian Zhu

Proceedings Volume 7019, 701924 (2008) https://doi.org/10.1117/12.786758

KEYWORDS: Sensors, Control systems, Sensor networks, Smart sensors, Actuators, Wireless communications, Large telescopes, Telescopes, Local area networks, Device simulation

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Proceedings Article | 10 July 2008 Paper

One direct drive system for telescope

Changzhi Ren, Zhenchao Zhang, Daxing Wang, Xiaoying Shuai, Wei Hu, Guomin Wang, Zhenlian Zhu

Proceedings Volume 7012, 70123O (2008) https://doi.org/10.1117/12.786582

KEYWORDS: Telescopes, Control systems, Computer programming, Computing systems, Head, Inspection, Device simulation, Optical instrument design, Complex systems, Large telescopes

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