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| 1 | Development of 8-inch Key Processes for Insulated-Gate Bipolar Transistor显示文摘Based on the construction of the 8-inch fabricat ion line, advanced process technology of 8-inch wafer, as well as the fourth-generation high-voltage double-diffused metal-oxide semiconductor(DMOS+) insulated-gate bipolar transistor(IGBT) technology and the fifth-generation trench gate IGBT technology, have been developed, realizing a great-leap forward technological development for the manufacturing of high-voltage IGBT from 6-inch to 8-inch. The 1600 A/1.7 kV and 1500 A/3.3 kV IGBT modules have been successfully fabricated, qualified, and applied in rail transportation traction system. | Guoyou Liu Rongjun Ding Haihui Luo | 2015 | Engineering2015，1，3： | 5 |
| 2 | An Ahe- mative Energy Recovery Clamp Circuit for Full-Bridge PWM Converters With Wide Ranges of Input Voltage显示文摘 | Honnyong Cha Lihua Chen Rongjun Ding | 2008 | IEEE Trans on PE2008，，： | 1 |
| 3 | Phosphoniura Salts as Chiral Phase - transfer Catalysts: Asymmetric Michael and Mannich Reactions of 3 -Aryloxindoles显示文摘 | He Rongjun Ding Changhua Maruoka K | 2009 | Angew Chem Int Ed2009，48，： | 1 |
| 4 | An alternative energy recovery clamp circuit for full-bridge PWM converters with wide ranges of input voltage 显示文摘 | Cha Hongyong Chen Lihua Ding Rongjun | 2008 | IEEE Transactions on Power Electronics2008，23，6： | 1 |
| 5 | A review of electrical signal-based train transmission machinery diagnosis technology显示文摘Transmission machinery is widely used in railway vehicles and is an important component in driving the operation of trains.Such transmission components are prone to faults under long exposure to harsh environments and complex working conditions.This affects normal operation and order,and thus it is important to ensure their safe and reliable operation.Electrical signal-based diagnosis technology has advantages of easy signal acquisition,with no need to install additional sensors,nor embedded monitoring of the object components.It has gradually become a research hotspot in the field of rail transportation diagnosis.This paper describes the fault modes of transmission machinery,takes the electrical signal-based diagnosis method as the entry point,collates and compares the existing diagnosis methods and research results in this field.It analyses their advantages and disadvantages,and finally puts forward problems for current and future research and development. | Jisheng Dai Rongjun Ding Zhaoyi Guan Shaolong Xu | 2021 | Transportation Safety and Environment2021，3，3： | 0 |
| 6 | Optical heterodyne-Zeeman modulation magnetic rotation spectroscopic technique显示文摘Optical heterodyne detection using 500 MHz phase modulation was combined with the Zeeman modulation-magnetic rotation spectroscopy (ZM-MRS) to form a new spectroscopic technique, which effectively reduced the amplitude fluctuation from laser source and greatly improved the signal-to-noise ratio in the detection of transient molecules. | Yangqin Chen Zhiyi Bi Peipei Cai Jingxin Ding Rongjun Wang Jingjing Lu Longsheng Ma | 1999 | Chinese Science Bulletin1999，44，20： | 0 |
| 7 | Multi-component system maintenance optimization of a rail transit train based on opportunistic correlations显示文摘ln order to deal with the problems of insufficient or excessive maintenance in the current maintenance activities of China transit trains,this paper develops a novel multi-component system maintenance optimization approach based on an opportunistic correlation model.Based on the minimal reliability and failure rate change rule of each train component,the novel proposed maintenance optimization benefits from an improved opportunistic maintenance model with system structure correlation,fault correlation and reliability correlation under imperfect maintenance.Then,different maintenance modes can be determined by a proposed mainte-nance factor under the different conditions of components.Specifically,the reliability threshold of each component is also considered to optimize the maintenance cost by the system reliability and operational availability of the train.Furthermore,as the mentioned problem belongs to the NP-Hard optimization problems,a modified particle swarm optimization(PSO)with the improvement of inertia weight is proposed to cope with the optimization problem.Based on a specific case under the practical recorded failure data,the analysis shows that the proposed model and approach can effectively cut the maintenance cost. | Jisheng Dai Rongjun Ding Yong Fu Yong Qin | 2023 | Transportation Safety and Environment2023，5，4： | 0 |
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