Jiang Zhao

Stable acceleration of a LHe-Free Nb3Sn demo SRF e-linac

Ziqin Yang, Yuan He, Tiancai Jiang, Feng Bai et autres

Abstract The design, construction, and commissioning of a novel liquid helium-free (LHe-free) Nb3Sn superconducting radio frequency (SRF) electron accelerator at the Institute of Modern Physics of the Chinese Academy of Sciences (IMP, CAS) will be presented. A 650 MHz 5-cell elliptical cavity …

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Motion Transformation Solutions Based on Euler Angle Perturbation Model

Baozhen Nie, Zhihao Cai, Jiang Zhao, Yingxun Wang

Motion Transformation Solutions Based on Euler Angle Perturbation Model

Baozhen Nie, Zhihao Cai, Jiang Zhao, Yingxun Wang

Hazardous Gases-Responsive Photonic Crystals Cryogenic Sensors Based on Antifreezing and Water Retention Hydrogels

Jiang Zhao, Xiaolu Cai, Xiaojing Zhang, Jiaojiao Zhang et autres

Nowadays, the sensing of hazardous gases is urgent for the consideration of public safety and human health, especially in extreme conditions of low temperatures. In this study, a photonic crystals (PhCs) sensor with water retention and antifreezing properties was developed and applied …

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Accelerator Distribution Network Monitoring System Based on White Rabbit Technology

Biao Cao, Zhongzu Zhou, Peng Zi Sun, Jiang Zhao

The unified time synchronization system plays an extremely important role in quickly and accurately analyzing and judging the causes of power grid faults, supporting power grid automation systems, and supporting the operation of the power market. And the accuracy and reliability of …

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Design of Distribution Network Monitoring System Based on EPICS for Accelerators

Jiang Zhao, Zhongzu Zhou, Peng Zi Sun, Xinwei Jiang et autres

Excellent distribution network is prerequisite to ensure stable operation of accelerator with high power and high-intensity. Distribution network of new generation accelerator with high power and high-intensity may suffer natural disasters and external damage. At the same time, there are also some …

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Voltage Condition Monitoring Method of Accelerator Distribution Network Based on Deep Learning

Dezhi Wang, Jiang Zhao, Zhongzu Zhou, Peng Zi Sun et autres

The voltage change process of distribution network of heavy-ion accelerator is complicated, and the condition monitoring method based on a fixed threshold has great limitations. Therefore, a condition monitoring method based on auto-encoder and bidirectional long short-term memory network is proposed. Firstly, …

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Two-Dimensional Inversion and Interpretation of Magnetotelluric Data in a Seismic Active Area of Northern Part of North China

Jiang Zhao, Ji Tang, Liu Tiesheng

Two advanced techniques, decomposition of the magnetotelluric (MT) impedance tensor and Rapid Relaxation two-dimensional Inversion (RRI), have been successfully applied to the newly observed MT data. The resultant 2-D electrical structure along Yanggao-Rongcheng profile, which passes through several major tectonic units in …

The bipolar kicker power supply principle prototype for the booster ring of HIAF

Jie Gao, Mingrui Li, Anhui Feng, Daqing Gao et autres

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Design of Fast Pulse Generator for Kicker Power Supply in HIAF

Yan Liu, Daqing Gao, Jie Gao, Jingbin Shangguan et autres

【Abstract】-Kicker power Supply is one of the key components in the injection and extraction system of HIAF (High Intensity Heavy Ion Accelerator Facility, the 12th five-year national big science project). The PFN-Marx generator technology based on solid-state switch IGBT will be applied …

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Quench Protection in Digital Power Supplies for Superconducting Magnets in ADS

Jiang Zhao, Shuai Zhang, Zhongzu Zhou

The front-end demo superconducting Linac for Chinese ADS (Accelerator Driven Sub-critical System) project is under construction at institute of modern physics(IMP) in Lanzhou. It will demonstrate the key technologies and the feasibility of a high power beam for the future national project …

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Design of the Control System of Pulsed Power Supplies for WHMM Injection Bump Magnets

Jiang Zhao, Daqing Gao, Huajian Zhang, Zhongzu Zhou

The injection bump system of the synchrotron of the Wuwei Heavy-ion Medical Machine(WHMM) consists of four horizontal bump magnets to merge the injection beam with the circulating beam. In order to control the injection beam with sufficient accuracy, the bump mag-nets need …

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