Department of Automation, Shanghai Jiao Tong University, Shanghai 200240, China.
ISA Trans. 2010 Jan;49(1):87-94. doi: 10.1016/j.isatra.2009.09.003. Epub 2009 Sep 24.
For a Proton Exchange Membrane Fuel Cell (PEMFC) power plant with a methanol reformer, the process parameters and power output are considered simultaneously to avoid violation of the constraints and to keep the fuel cell power plant safe and effective. In this paper, a novel coordinating scheme is proposed by combining an Internal Model Control (IMC) based PID Control and adaptive Sliding Mode Control (SMC). The IMC-PID controller is designed for the reformer of the fuel flow rate according to the expected first-order dynamic properties. The adaptive SMC controller of the fuel cell current has been designed using the constant plus proportional rate reaching law. The parameters of the SMC controller are adaptively tuned according to the response of the fuel flow rate control system. When the power output controller feeds back the current references to these two controllers, the coordinating controllers system works in a system-wide way. The simulation results of the PEMFC power plant demonstrate the effectiveness of the proposed method.
对于带有甲醇重整器的质子交换膜燃料电池 (PEMFC) 发电厂，同时考虑过程参数和功率输出，以避免违反约束并保持燃料电池发电厂安全有效。在本文中，提出了一种新的协调方案，将基于内模控制 (IMC) 的 PID 控制和自适应滑模控制 (SMC) 相结合。根据预期的一阶动态特性，为燃料流量重整器设计了 IMC-PID 控制器。使用常值加比例速率趋近律为燃料电池电流设计了自适应 SMC 控制器。根据燃料流量控制系统的响应，自适应调整 SMC 控制器的参数。当功率输出控制器将电流参考值反馈给这两个控制器时，协调控制器系统以系统范围的方式工作。PEMFC 发电厂的仿真结果证明了所提出方法的有效性。
