Xianlai Shu, Zhimin Liu, Yahong Xie, Na Wang, Wei Liu, Jianglong Wei, Qinglong Cui, Junjun Pan, Shiyong Chen, Chundong Hu. Research on beam feedback control of negative ion source based on RF power regulation[J]. High Power Laser and Particle Beams, 2022, 34(11): 116002
- High Power Laser and Particle Beams
- Vol. 34, Issue 11, 116002 (2022)
Fig. 1. Schematic diagram of power ramp control method
Fig. 2. Schematic diagram of open-loop/closed-loop control switching according to breakdown signal
Fig. 3. Hardware structure of the beam feedback control system
Fig. 4. Workflow of beam feedback control system
Fig. 5. Test results of power ramp function
Fig. 6. Test results of beam feedback control function
Fig. 7. Comparison of the negative ion current with and without the beam feedback control system (I H-) and the adjustment action of the RF power (P RF)
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