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| 1 | Challenges and developments of automotive fuel cell hybrid power system and control显示文摘Fuel cells are emerging as promising power sources and have attracted increasing attention from industries and academics worldwide. In particular, automotive manufacturers are replacing internal combustion engines in vehicles with fuel cell systems, which are advantaged by zero emissions, high efficiency,and various clean routes that generate pure hydrogen. However, current fuel cell systems are costly, and their corresponding infrastructures are not fully qualified to meet current market demand. This paper reviews the challenges and developments of automotive fuel cell hybrid power systems and their controls. It briefly summarizes the model, control, and optimization issue associated with the research and application of fuel cells in hybrid power systems. After presenting the basic knowledge and discussing the trending size and structure of fuel cells for automotive usage, the review describes models of automotive fuel cell systems,focusing on the electrochemical reaction dynamics and the key parameters influencing their efficiency and lifetime. The control problems associated with automotive fuel cell systems as well as the optimization issue associated with hybrid energy systems(comprising fuel cells, batteries, and ultra-capacitors) are elaborately analyzed. The review concludes with current problems and challenges faced by the energy control systems of fuel cell vehicles. | Jinwu GAO Meng LI Yunfeng HU Hong CHEN Yan MA | 2019 | Science China(Information Sciences)2019，62，5： | 6 |
| 2 | 柔化系数在线调整改进广义预测控制在质子交换膜燃料电池供气系统中的应用显示文摘针对质子交换膜燃料电池中质子交换膜两侧的压力差易受负载电流变化的影响及压力差在常规控制中输出响应幅值过大等不足,本文提出了基于模糊推理的柔化系数在线调整改进广义预测控制算法来实现对压力差的控制。在预测控制的基础上,通过加入模糊推理对柔化系数进行实时调整和更新,来实现对供气系统中氢气分压和氧气分压输出响应速率的调节,以达到改善压力差动态响应过程的目的:。借助MATLAB进行仿真实验,验证了提出的控制算法在对压力差的控制具有调节时间短和输出响应幅值小等优点,其控制效果优于二固定柔化系数广义预测控制算法和PID控制算法。 | 张浩琛 郝晓弘 安爱民 刘欣 陈丽文 | 2012 | 计算机与应用化学2012，29，7： | 0 |
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