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NUCLEAR TECHNIQUES, Volume. 46, Issue 12, 120402(2023)

Design and test of a control system for the EAST laser blow-off impurity injection system

Yu FAN1,2, Yuhong ZHAO1、***, Hongming ZHANG2、*, Bo LYU2,3、**, Zichao LIN2,3, Yongcai SHEN4, Xianghui YIN1, Fudi WANG2, Jia FU2, Huajian JI2,3, Chao ZENG1,2, Liyu MAO1,2, and Bo SUN1,2
Author Affiliations
  • 1School of Electrical Engineering, University of South China, Hengyang 421001, China
  • 2Institute of Plasma Physics, Hefei Institutes of Phyzical Science, Chinese Academy of Sciences, Hefei 230031, China
  • 3Science Island Branch Graduate School, University of Science and Technology of China, Hefei 230031, China
  • 4School of Physics and Materials Engineering, Hefei Normal University, Hefei 230601, China
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    [1] Shen Y C, Lyu B, Zhang H M et al. Suppression of molybdenum impurity accumulation in the core using on-axis electron cyclotron resonance heating in EAST[J]. Physics of Plasmas, 26, 030507(2019).

    [2] Zhang K, Cui Z Y, Sun P et al. Investigation of impurity transport using laser blow-off technique in the HL-2A Ohmic and ECRH plasmas[J]. Chinese Physics B, 25, 065202(2016).

    [3] Cui X W, Cui Z Y, Feng B B et al. Investigation of impurity transport using supersonic molecular beam injected neon in HL-2A ECRH plasma[J]. Chinese Physics B, 22, 125201(2013).

    [4] Wegner T, Geiger B, Kunkel F et al. Design, capabilities, and first results of the new laser blow-off system on Wendelstein 7-X[J]. The Review of Scientific Instruments, 89, 073505(2018).

    [5] JI Huajian, ZHANG Hongming, YANG Xiuda et al. Evaluation of plasma impurity concentration during radiative divertor operation mode on EAST[J]. Nuclear Techniques, 45, 030501(2022).

    [6] Xue G Q, Zhong W L, Zou X L et al. Enhancement of plasma ion temperature by impurity seeding in H-mode plasmas[J]. Nuclear Fusion, 61, 116048(2021).

    [7] Scavino E, Bakos J S, Dux R et al. Effects of plasma shape on laser blow-off injected impurity transport in TCV[J]. Plasma Physics and Controlled Fusion, 45, 1961-1974(2003).

    [8] Wegner T, Kunkel F. Development of a new manipulator for the laser blow-off system at Wendelstein 7-X[J]. Fusion Engineering and Design, 193, 113691(2023).

    [9] Okuda T, Adachi H. Interaction of laser blow-off blob with a low-pressure gas discharge[J]. Japanese Journal of Applied Physics, 28, L1055(1989).

    [10] Scavino E, Bakos J S, Dux R et al. Effects of plasma shape on laser blow-off injected impurity transport in TCV[J]. Plasma Physics and Controlled Fusion, 45, 1961-1974(2003).

    [11] WANG Zhanhe, FENG Xingya, LUO Junlin et al. Impurity injection experiments and studies on impurity transport behaviour on the HL-1 Tokamak[J]. Nuclear Fusion and Plasma Physics, 15, 20-26(1995).

    [12] Wegner T, Geiger B, Foest R et al. Preparation, analysis, and application of coated glass targets for the Wendelstein 7-X laser blow-off system[J]. Review of Scientific Instruments, 91, 083503(2020).

    [13] ZHANG Peng, HUANG Yuan, SUN Ping et al. Study of laser blow-off system on the HL-2A tokamak[J]. Nuclear Fusion and Plasma Physics, 27, 177-181(2007).

    [14] Mattioli M, Giannella R, Myrnas R et al. Laser blow-off injected impurity particle confinement times in JET and Tore Supra[J]. Nuclear Fusion, 35, 1115-1124(1995).

    [15] GUO Yanling, LIU Jiaxin, LI Jian. Design of STM32-based wood-plastic particle 3D printer system[J]. Modern Electronics Technique, 42, 120-124(2019).

    [16] LIAO Ping, HAN Weiwei. Design of drive control system of multiple stepper motors based on STM32[J]. Instrument Technique and Sensor, 71-73, 77(2016).

    [17] LIU Huiying, FAN Baoshan. Study of control system of multiple step motors based on STM32[J]. Measurement & Control Technology, 29, 54-57(2010).

    [18] LIU Baozhi. Research on precise control method of stepping motor[D](2010).

    [19] LIU Yiwei. Construction of 3D mobile platform for skin 3D printing and design of temperature control system[D](2021).

    [20] ZHOU Caizhuo. Design and implementation of serial server based on W5500 and STM32[D](2017).

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    Yu FAN, Yuhong ZHAO, Hongming ZHANG, Bo LYU, Zichao LIN, Yongcai SHEN, Xianghui YIN, Fudi WANG, Jia FU, Huajian JI, Chao ZENG, Liyu MAO, Bo SUN. Design and test of a control system for the EAST laser blow-off impurity injection system[J]. NUCLEAR TECHNIQUES, 2023, 46(12): 120402

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    Paper Information

    Category: Research Articles

    Received: Jul. 5, 2023

    Accepted: --

    Published Online: Mar. 7, 2024

    The Author Email: ZHAO Yuhong (赵宇红), ZHANG Hongming (张洪明), LYU Bo (吕波)

    DOI:10.11889/j.0253-3219.2023.hjs.46.120402

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology