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Research on the Electric Vehicle Control System
Haiying Wang,Tianjun Sun,Xingbo Zhou,Qi Fan 보안공학연구지원센터 2015 International Journal of u- and e- Service, Scienc Vol.8 No.8
With the development of electric vehicle electronic control unit (ECU) for vehicle control technology and the key to raise the level of design electric vehicles the optimization control of the vehicle performance as direction. In order to achieve the rational, coordination of vehicles within the system of integrated control, based on the modular thought, through constructing the distributed control network design overall structure of the control system of pure electric vehicle, the vehicle controller is analyzed on the working principle and its function realization degree, as a pure electric vehicle control system provides the theory basis for performance evaluation.
The Cloud Terminal Online Monitoring System of UPS Battery Performance based on MSP430 MCU
Yuan Zhisheng,Mingze Yuan,Haiying Wang,Tianjun Sun 보안공학연구지원센터 2015 International Journal of Signal Processing, Image Vol.8 No.6
Aiming at some problems in the process of UPS battery real-time monitoring, on the basis of the cloud terminal technology is proposed in this paper, a new method of remote online monitoring, and based on MSP430 single chip microcomputer, combined with modular guiding ideology, in order to improve the UPS battery remote monitoring automation as the core, through the reasonable design of hardware structure, the implementation of UPS battery on-line real-time monitoring of voltage, current and temperature. At the same time, the system based on ADO database access technology and C++ programming to complete the data management, human-computer interaction, and system control, by the cloud terminal implementation monitoring system data transmission between lower place machine and super-ordination machine. Practice has proved that the technology security and stability, has the very good practical and promotional value.
Yi Wei,Wenhua Li,Qi Wang,Mengyu Liu,Peiyuan Liang,Lina Wang,Tianjun Sun 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.123 No.-
Several MnFe-based multi-metal oxides were synthesized as NH3-SCR catalysts by a simple coprecipitationmethod for abating NOx of marine diesel exhausts. The Co and Nb-doped MnFeCeAl catalysts exhibitNOx conversion over 90% and N2 selectivity above 95% at 180–270 C, especially the MnFeCeAlCo catalystscan inhibit nearly all sulfate species growth within 150 ppm humid-SO2 gases at 225 C. The structuralcharacterization results revealed that Co, Nb, Sm, and Sb doping can enhance interactions amongdifferent components and promote active component dispersion. Temperature programmed analysisindicated that the Co doping is not only more favorable for improving redox properties, but can alsoenhance the surface acidity, which are advantageous to improve the activity, N2 selectivity, andhumid-SO2 resistance. Moreover, the XPS results implied that the binding energy shift or the valence variationof the Sm, Sb, Nb, and Co species on catalyst surfaces are favored to raise the atomic ratios of highvalentMn species and surface adsorbed oxygen, which can promote the redox property significantly andfurther facilitate SCR activity. Accordingly, the excellent activity and humid-SO2 tolerance of theMnFeCeAlCo catalyst should attribute to its lower redox temperature, strong interaction between oxides,47.3% surface Mn4+/Mn3+ species, and 71.8% adsorbed oxygen, which provide a method for improving theSCR performances of MnFe-based catalysts with humid SO2 resistance.
Guo-Hua Feng,Fu-Sheng Wang,Ji-Yuan Zhang,Qing-Lei Zeng,Lei Jin,Junliang Fu,Bin Yang,Ying Sun,Tianjun Jiang,Xiangsheng Xu,Zheng Zhang,Jinhong Yuan,Liyuan Wu 한국분자세포생물학회 2013 Molecules and cells Vol.36 No.4
Interleukin-21 (IL-21)+CD4+ T cells are involved in the immune response against hepatitis B virus (HBV) by secreting IL-21. However, the role of IL-21+CD4+ T cells in the immune response against chronic hepatitis C (CHC) virus infection is poorly understood. This study aimed to investigate the role of IL-21+CD4+ T cells in CHC patients and the potential mechanisms. The study subjects in-cluded nineteen CHC patients who were grouped by viral load (low, < 106 RNA copies/ml, n = 8; high, > 106 RNA copies/ml, n = 11). The peripheral frequency of HCV-specific IL-21+CD4+ T cells was higher in the low viral load group and was negatively correlated with the serum HCV RNA viral load in all CHC patients. Meanwhile, IL-21+ cells accumulated in the liver in the low viral load group. In vitro, IL-21 treatment increased the expression of proliferation markers and cytolytic molecules on HCV-specific CD8+ T cells. In summary, these findings suggest that HCV-specific IL-21+CD4+ T cells might contribute to HCV control by rescuing HCV-specific CD8+ T cells in CHC patients.