Jian Zhang

Lifespan Evaluation and Reliability-oriented Design of Deep-sea Motor Considering Cyclic Thermo-mechanical Stress

Jian Zhang, Zhenbo Yan, Yi Zhou, Jiajin Wang et autres

cn (code pays fourni par la source)

Research on key technologies of reliability enhancement test of airborne equipment

Jian Zhang, Yu Ding

Reliability Enhancement Testing (RET) has emerged as a critical methodology for addressing the balance between reliability growth and testing efficiency during the development of equipment. The underlying strength-stress interference theory is systematically examined to clarify the physical mechanisms by which accelerated failures …

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A meta-analysis based on propensity analysis studies comparing neoadjuvant immunochemotherapy and neoadjuvant chemoradiotherapy for esophageal squamous cell carcinoma

Zixian Jin, Jiani Zhu, Jian Zhang, Jianfei Shen et autres

To systematically compare the efficacy and safety of neoadjuvant immunochemotherapy (NICT) and neoadjuvant chemoradiotherapy (NCRT) in the treatment of resectable esophageal squamous cell carcinoma (ESCC). Databases were searched to collect clinical studies comparing NICT and NCRT for ESCC based on propensity score …

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Online Location Method of Forced Subsynchronous Oscillation Disturbance Source Based on Transient Energy Flow

Ying Cheng, Jian Zhang, Ying Yang, Feng Chao Luo et autres

With the rapid development of new energy represented by wind power, the problem of new subsynchronous oscillation caused by large-scale wind power grid-connected system has become one of the important challenges for the safe and stable operation of power system in recent …

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Spatiotemporal coordination between local flux and systemic homeostasis in the small intestine

Jian Zhang, Siwen Zhang, Lijun Du, Ying Zhao et autres

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Optimal inspection-based maintenance strategy for k -out-of- n : G load-sharing systems consisting of three-state components

Jiajin Wang, Jian Zhang, Jianwei Wu, Qin Zhang et autres

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Development of On-Line Monitoring Device for Interturn Short-Circuit of Dry-Type Air-Core Reactor Based on Star-Arm Current Change Rate

Min Geun Gu, Jian Zhang, Zhongyuan Li, Heqian Liu et autres

The dry-type air-core reactor often causes the coil to burn due to the interturn short-circuit during operation. The existing non-electrical quantity detection methods such as temperature and smoke, and the electrical quantity detection methods such as partial discharge are not real-time, accurate …

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Application and enlightenment of mobile hospital in medical support for sports event

Bo Jia, Jian Zhang, Ang Zhang, Jiaqi Zhu et autres

With the vigorous development of sports events, the rising medical demand during the events has brought a heavy burden to urban emergency medical services. On the other hand, mobile hospitals, featuring strong mobility, high environmental adaptability, rapid deployment, and comprehensive functions, have …

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Ultraviolet laser annealing of γ-ray induced defects in Deuterated potassium dihydrogen phosphate crystal

Xiangfeng Wang, Jianfeng Zhang, Zhichao Liu, Jian Zhang et autres

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Early Bearing Fault Diagnosis in PMSMs Based on HO-VMD and Weighted Evidence Fusion of Current–Vibration Signals

Xiaofen He, Xuhui Liu, Cheng Lin, Minjie Fu et autres

To address the challenges posed by weak early fault signal features, strong noise interference, low diagnostic accuracy, poor reliability when using single information sources, and the limited availability of high-quality samples in practical applications for permanent magnet synchronous motor (PMSM) bearings, this …

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Study on Insulator Flashover Induced by Lightning on the Midpoint of Lightning Protection Lines Based on the High-Frequency Electromagnetic Pulse Coupling Principle

Ke Li, Bo Lü, Jian Zhang

During lightning events and rainfall, transmission lines frequently experience tripping incidents due to breakdown discharges across insulator strings and air gaps, which significantly threaten the reliable operation of power systems. To investigate the mechanism by which direct lightning strikes on lightning protection …

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Lifetime Prediction of Electrical Machines Under Nonstationary Loads by Coupled Thermal Model and Insulation Aging Assessment

Jiajin Wang, Jian Zhang, Kangwen Wu, Xiangning He et autres

Electrical machines (EMs) in electromechanical actuators need to be highly reliable, especially when driving safety-critical systems in more electric aircraft. However, the non-stationary loads faced during mission profiles will cause the EM to overheat, raising the risk of insulation failure. Motivated by …

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