Design of digital twin-based control system for loading and unloading of proton beam irradiated thorium target

Zikuan Sun; Junting Qiu; Lisheng Zheng; Xiaozheng Xie; Zijian Zhang

doi:10.11884/HPLPB202537.240255

Journals >High Power Laser and Particle Beams >Volume 37 >Issue 2 >Page 024002 > Article

High Power Laser and Particle Beams
Vol. 37, Issue 2, 024002 (2025)

Design of digital twin-based control system for loading and unloading of proton beam irradiated thorium target

Zikuan Sun¹, Junting Qiu², Lisheng Zheng³, Xiaozheng Xie^1,*, and Zijian Zhang¹

Author Affiliations

¹School of Electrical and Mechanical Engineering, Lanzhou University of Technology, Lanzhou 730050, China

²School of Mechanical Engineering, Zhejiang University of Technology, Hangzhou 310023, China

³Wenzhou Institute of Industry & Science, Wenzhou 325028, China

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DOI: 10.11884/HPLPB202537.240255 Cite this Article

Zikuan Sun, Junting Qiu, Lisheng Zheng, Xiaozheng Xie, Zijian Zhang. Design of digital twin-based control system for loading and unloading of proton beam irradiated thorium target[J]. High Power Laser and Particle Beams, 2025, 37(2): 024002 Copy Citation Text

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Fig. 1. Flow chart of proton beam irradiation thorium target loading and unloading system

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Fig. 2. Layout of proton beam irradiated thorium target loading and unloading system

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Fig. 3. PLC hardware redundancy diagram for proton beam irradiated thorium target loading and unloading system

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Fig. 4. PLC redundancy configuration flowchart

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Fig. 5. Framework diagram of the synchronized data transmission network environment for the unified digital twin

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Fig. 6. Modeling of proton beam irradiated thorium target loading and unloading system

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Fig. 7. PLC ladder program diagram

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Fig. 8. PLCsim control MCD system debugging result

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Fig. 9. Effect of combining reality and virtuality

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Fig. 10. Analysis of system operation in different environments and states

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installation	quantity	installation	quantity
R/H CPU	2	CP modules	as required
duplex fiber optic cable	2	with power floor	2
ring bus (computing)	2	switch (telecommunications)	2
I/O modules(ET200)	2	photoelectric converter	4
load current power supply	2	fiber	several

Table 1. Redundant system components

factor	level	factor	level
tempo	0～10 m/s	maximum runtime	1 h
air pump working pressure	0.4～0.5 MPa	payload limit	0～100 g
sampling interval	5 s	operating temperature	0～30 ℃
input voltage	AC(220 V(1±10%))	operating humidity	40%～70%
frequency	50 Hz	operating noise	0～70 dB

Table 2. Experimental parameter settings

equipment	stand-alone reliability	code	redundancy reliability	code
computer workstation	0.95	$ R_{\rm{c}}^{} $	0.988	$ R_{\rm{c}}' $
network switch	0.98	$ R_{\rm{n}}^{} $	0.999	$ R_{\rm{n}}' $
ethernet communication module	0.96	$ R_{\rm{e}}^{} $	0.999	$ R_{\rm{e}}' $
CPU	0.98	$ R_{\rm{CPU}} $	0.999	$ R_{\rm{CPU}}' $
DP communication module	0.96	$ R_{\rm{DP}} $	0.999	$ R_{\rm{DP}}' $
photoelectric conversion module	0.98	$ R_{\rm{p}}^{} $	0.999	$ R_{\rm{p}}' $
I/O module	0.97	$ R_{{\rm{I}}/{\rm{O}}} $	0.999	$ R_{{\rm{I}}/{\rm{O}}}' $

Table 3. Reliability of mechatronic stand-alone and redundant equipment

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