| 燃料电池汽车不对称半桥DC/DC变换器的建模和控制 |
| |
| 引用本文： | 方如举,张元敏.燃料电池汽车不对称半桥DC/DC变换器的建模和控制[J].煤矿机电,2009(5):44-47. |
| |
| 作者姓名： | 方如举 张元敏 |
| |
| 作者单位： | 许昌学院电信学院,河南,许昌,461000 |
| |
| 基金项目： | 河南省教育厅自然科研资助项目 |
| |
| 摘 要： | 针对不对称半桥DC/DC变换器在燃料电池供电系统中的运用,利用状态平均法得出变换器的小信号数学模型,对其传递函数和控制手段作了阐述。根据系统输出电压要求和过流保护要求,构建了电压环和电流环双闭环控制方案。通过仿真和实验,验证了理论分析的正确性。
|
| 关 键 词： | 燃料电池 小信号模型 DC/DC变换器 双闭环控制 |
Modeling and Control of the Asymmetrical Half-bridge DC/DC Converter in Fuel-cell Vehicle |
| |
| FANG Ru-ju,ZHANG Yuan-min.Modeling and Control of the Asymmetrical Half-bridge DC/DC Converter in Fuel-cell Vehicle[J].Colliery Mechanical & Electrical Technology,2009(5):44-47. |
| |
| Authors: | FANG Ru-ju ZHANG Yuan-min |
| |
| Affiliation: | College of Electrical and Information Engineering;Xuchang University;Xuchang 461000;China |
| |
| Abstract: | For asymmetrical half-bridge DC/DC converter in the power supply system of fuel cell vehicle in use,the mathematical model of small-signal converter is derived by utilizing the state-space average method,and its transfer function and control strategy is further represented.The control scheme of dual closeloop system consisting of current inner loop and voltage outer loops is constructed for the requirements of output voltage over-current protection.The correctness of theoretical analysis is verified through... |
| |
| Keywords: | fuel cell small-signal mode DC/DC converter dual close-loop control |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
