Upgraded COD System and Data Acquisition of HLS

WANG Jun-Hua; LIU Jian-Hong; LU Ping; SUN Bao-Gen; LIU Zu-Ping

Chinese Physics C> 2002, Vol. 26> Issue(6) : 632-638

Upgraded COD System and Data Acquisition of HLS

National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China

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Abstract：
In this paper, the upgraded BPM system including the data acquisition instrumentation of HLS in NSRL phase II project are described in details. In the upgraded BPM system, we wash out the multiplexer relay switch system for signal transmit formerly and adopt paratactic signal processing. Bergoz's analog BPM modules and modular VXI instruments are adopted for BPM signal processing and data acquisition in order to provide stable and credible performance. The Lab VIEW developement environment not only provides good hardware controls but also promotes the development efficiency. After upgrade the new COD system with repetition error≤10μm and resolution 1μm is achieved in routine operation. Lately using the upgrade COD system we have completed the measurement of dispersion and one of magnetic field center for quadrupole magnet in beam based alignment(BBA) with local bump orbit, and have processed the experiment of global close orbit correction for HLS storage ring.

References

[1]

. WANG Jun-Hua, YIN Yan et al. A Closed Orbit Measurement with the NSRL BPM System, PAC99, Proceedings of the 18th PAC(PAC99), New York USA , 1999,2048—20502. LI Jing-Yi, LIU Zu-Ping, WANG Jun-Hua. High Power Laser and Particle Beams, 1998,10(2):291—295(in Chinese)(李京祎,刘祖平,王筠华.强激光与粒子束,1998,10(2):291—295) 3. SUN Bao-Gen, WANG Jun-Hua, LU Ping et al. Several New Beam Measurement systems for HLS. Proceedings of PAC'2001,2001.6,Chicago, Illinois 4. LI Jing-Yi, LIU Gong-Fa, LI Wei-Min et al. Closed Orbit Correction of HLS Storage Ring, Proceedings of PAC'2001,2001.6, Chicago, Illinois 5. WANG Jun-Hua, SHEN Lian-Guan, WANG Guei-Cheng et al. HEPNP, 2001,25(11):1120(in Chinese)(王筠华,沈连官,王贵诚等,高能物理与核物理,2001,25(11):1120)6. Stephen R, Smith. Beam Position Engineering, BIW96 P50—65, New York, USA 7. Zimmermann F. Measurement and Correction of Accelerator Optics, Beam Measurement P21—107,Switzerland, May1998

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WANG Jun-Hua, LIU Jian-Hong, LU Ping, SUN Bao-Gen and LIU Zu-Ping. Upgraded COD System and Data Acquisition of HLS[J]. Chinese Physics C, 2002, 26(6): 632-638.

WANG Jun-Hua, LIU Jian-Hong, LU Ping, SUN Bao-Gen and LIU Zu-Ping. Upgraded COD System and Data Acquisition of HLS[J]. Chinese Physics C, 2002, 26(6): 632-638. shu

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Received: 2001-06-11
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Upgraded COD System and Data Acquisition of HLS

Corresponding author: WANG Jun-Hua,

National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China

Received Date: 2001-06-11
Accepted Date: 1900-01-01
Available Online: 2002-06-05

Abstract: In this paper, the upgraded BPM system including the data acquisition instrumentation of HLS in NSRL phase II project are described in details. In the upgraded BPM system, we wash out the multiplexer relay switch system for signal transmit formerly and adopt paratactic signal processing. Bergoz's analog BPM modules and modular VXI instruments are adopted for BPM signal processing and data acquisition in order to provide stable and credible performance. The Lab VIEW developement environment not only provides good hardware controls but also promotes the development efficiency. After upgrade the new COD system with repetition error≤10μm and resolution 1μm is achieved in routine operation. Lately using the upgrade COD system we have completed the measurement of dispersion and one of magnetic field center for quadrupole magnet in beam based alignment(BBA) with local bump orbit, and have processed the experiment of global close orbit correction for HLS storage ring.