Author: Zhu, D.H.
Paper Title Page
TUPA05 Research on Vibration Stability of SAPS Foundation 128
 
  • G.Y. Wang, J.X. Chen, C.J. Ning, J.B. Yu, Y.J. Yu, J.S. Zhang, D.H. Zhu
    IHEP CSNS, Guangdong Province, People’s Republic of China
  • H.Y. He, L. Kang, L. Liu, R.H. Liu, X.J. Nie, A.X. Wang, L.Q. Zhao
    IHEP, Beijing, People’s Republic of China
 
  The construction of the South Advanced Light Source Platform will be completed in 2021. Among them, the high-precision test hall requires that the effective value of the micro-vibration of the foundation be controlled within the vibration range of 25nm, which has already met the requirements of nanometer level. Research at dongguan machinery group, therefore, in view of the high precision testing hall, south of advanced light source is proposed to geological environment factors, carry out detailed geological survey measurement, focus on the advanced light source foundation vibration test, resistance to vibration and vibration characteristics research foundation and anti-vibration scheme research and the advanced light source is the key equipment vibration reduction technology research, through to the light source address of the proposed foundation vibration test, the vibration of foundation design, synchrotron radiation device key equipment comprehensive analysis and research of vibration reduction technology, formed a series of foundation vibration and key equipment solution, for the later construction of the southern light source to lay a solid foundation.  
poster icon Poster TUPA05 [0.361 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2020-TUPA05  
About • paper received ※ 12 July 2021       paper accepted ※ 14 October 2021       issue date ※ 06 November 2021  
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TUPA06 Study the Active Vibration Control System of the Parallel 6-DOF Platform 131
 
  • R.H. Liu, H.Y. He, Z.Y. Ke, L. Liu, X.J. Nie, C.J. Ning, A.X. Wang, Y.J. Yu, D.H. Zhu
    IHEP CSNS, Guangdong Province, People’s Republic of China
  • L. Kang, J.S. Zhang
    IHEP, Beijing, People’s Republic of China
  • G.Y. Wang
    Institute of High Energy Physics, CAS, Guangdong, People’s Republic of China
 
  Funding: National Natural Science Foundation of China 11905231
With the development of high-energy synchrotron radiation light source with high energy, high brightness, low emittance and nano-scale light spot, accelerators and beamline stations have higher requirements for the stability of the system, and active vibration isolation technology has been paid more and more attention. It has become the key technology for the development of major scientific devices (such as high-energy synchrotron radiation light source, free electron laser, etc.) in the future. In this paper, an active vibration control system driven by piezoelectric ceramic actuator with strong adaptability is designed. NI Compact-RIO real-time control system and Fx-LMS adaptive filter control algorithm are used for the active vibration control system. The identification method of input and output channels and the active control module are simulated by MATLAB. And an active vibration control system based on a parallel 6-DOF platform was built for experimental verification. The experimental results show that the designed active vibration control system has a good control effect for low-frequency micro-vibration.
 
poster icon Poster TUPA06 [0.600 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2020-TUPA06  
About • paper received ※ 11 July 2021       paper accepted ※ 14 October 2021       issue date ※ 27 October 2021  
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TUPA13 Research of Bellow Shield Structure Applied to BPM 145
 
  • X.J. Nie, L. Kang, R.H. Liu, S.K. Tian
    IHEP, Beijing, People’s Republic of China
  • J.X. Chen, H.Y. He, L. Liu, C.J. Ning, A.X. Wang, G.Y. Wang, J.B. Yu, Y.J. Yu, J.S. Zhang, D.H. Zhu
    IHEP CSNS, Guangdong Province, People’s Republic of China
 
  The design of shield structure for bellow is an im-portant content for the research of beam position monitor (BPM). The bellow shield structure consists of contact fingers and spring fingers. Several alternative schemes for bellow shield were achieved based on BPM detailed structure. The optimal scheme was achieved by the im-pedance simulation analysis with CST. The dimension of the contact finger was decided based on the length of BPM with the stress condition. The C-type string was manufactured and the spring force was measured as well.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2020-TUPA13  
About • paper received ※ 20 July 2021       paper accepted ※ 15 October 2021       issue date ※ 29 October 2021  
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TUPA15 Processing of HEPS Low Energy Transport Line Collimator 148
 
  • J.B. Yu, J.X. Chen, H.Y. He, L. Liu, R.H. Liu, X.J. Nie, C.J. Ning, G.Y. Wang, A.X. Wang, Y.J. Yu, J.S. Zhang, D.H. Zhu
    IHEP CSNS, Guangdong Province, People’s Republic of China
  • L. Kang
    IHEP, Beijing, People’s Republic of China
 
  Funding: Natural Science Foundation of Guangdong Province:2018A030313959
In order to protect the equipment such as BPM at low energy transport line (LB), a momentum collimator is designed with one movable absorber. This paper will show the mechanical design and manufacturing of the collimator.
 
poster icon Poster TUPA15 [0.374 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2020-TUPA15  
About • paper received ※ 20 July 2021       paper accepted ※ 29 October 2021       issue date ※ 05 November 2021  
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