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- 저자 : Songnan Li (검색결과 3 건)
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Energy Management Strategy for Hybrid Energy Storage System based on Model Predictive Control
Shen Yongpeng,Li Yuanfeng,Liu Dongqi,Wang Yanfeng,Sun Jianbin,Sun Songnan 대한전기학회 2023 Journal of Electrical Engineering & Technology Vol.18 No.4
Electric vehicle (EV) is developed because of its environmental friendliness, energy-saving and high efficiency. For improving the performance of the energy storage system of EV, this paper proposes an energy management strategy (EMS) based model predictive control (MPC) for the battery/supercapacitor hybrid energy storage system (HESS), which takes stabilizing the DC bus voltage and improving the efficiency of the system as two major optimization goals. In addition, an enumeration algorithm is presented to solve the optimization function. The experimental results show the performance of the proposed EMS which is able to enhance the overall instantaneous power and prevent the battery from overloading. Meanwhile, compared with the results of a single battery storage system, the maximum amplitude of the battery current in the HESS is reduced by 40.81% and whole system energy loss is reduced by 24.13% with the proposed power management strategy.
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Xinrui Jing,Hongxia Wang,Songnan Li,Bin Lu,Jingxiang Zhao,Qinghai Cai 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.105 No.-
Graphic carbon nitride polymer was modified with transition bimetals compounds by impregnation ofpre-prepared g-C3N4 in aqueous solution of ammonium molybdate and vanadate. The prepared hybridmaterial was characterized by XRD, SEM, TEM, FT-IR, XPS and N2 adsorption–desorption techniques todetermine its surface morphology, composition and structure. The results revealed that VOx-MoOy singlemolecular layer incorporated into g-C3N4 molecule framework by interaction between host and guestwas fabricated. The hybrid composite was employed as catalyst for styrene oxidation to benzaldehydeusing molecular oxygen as oxidant. The results indicated that the composite was highly active and selectivefor styrene oxidation, giving TON 458.8 mol/mol(Mo+V) and 96.7% selectivity to benzaldehyde. Thecorrelation between high activity and surface properties the catalyst was explored.
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Shahid Ahmed Junejo,Huihui Geng,Songnan Li,Ajeet Kumar Kaka,Alam Rashid,Yibin Zhou 한국식품과학회 2020 Food Science and Biotechnology Vol.29 No.4
Wheat bran (WB) is an abundant source of fiber, promoting the health for constipation, irritable bowel syndrome, and gastrointestinal disorders. However, the role of superfine-WB in improving the obesity, hyperglycemia, and hyperlipidemia needs to be revealed. The superfine- WB (low and high treatments) was studied on body-weight, blood sugar, serum, and liver lipids in a high-fat rat model for 5-weeks. The high-fat diet substantially increased bodyweight, sugar levels, lipids, and malondialdehyde in serum and liver. In contrast, the superfine-WB treatments reduced food and energy intake, postprandial glucose, body-weight, blood and liver cholesterol, triglycerides, malondialdehyde, low-density lipoprotein, and increased the level of highdensity lipoprotein. Additionally, when the two different concentrations were compared, the maximum impact was exhibited by the superfine-WB containing high concentration. These results suggest that the superfine-WB significantly improves the hyperglycemia, hyperlipidemia, and possibly also protecting against other acute, recurrent, or chronic diseases.
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