In this paper we present a controller design for a linearized model of a fuel cell hydrogen gas reformer, which produces hydrogen from natural gas. We design two feedback control loops, one of them with an integrator and another one with proportional state feedback. In the third step, a feed-forward controller is designed whose role is to off-set for the impact of the disturbance represented by the fuel cell current. Both the feedback controller and the feedforward controller are obtained through a rigorous dynamic optimization process of a quadratic performance criterion along trajectories of a linear dynamic system. According to the presented simulation results, the proposed controller copes well with the disturbance and reduces its impact within a few seconds from the time when the disturbance occurs, despite large jumps in the fuel cell current (disturbance).
- Dynamic Systems and Control Division
Natural Gas Hydrogen Reformer Controller Design With Disturbance Rejection
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Radisavljevic-Gajic, V, & Rose, P. "Natural Gas Hydrogen Reformer Controller Design With Disturbance Rejection." Proceedings of the ASME 2015 Dynamic Systems and Control Conference. Volume 3: Multiagent Network Systems; Natural Gas and Heat Exchangers; Path Planning and Motion Control; Powertrain Systems; Rehab Robotics; Robot Manipulators; Rollover Prevention (AVS); Sensors and Actuators; Time Delay Systems; Tracking Control Systems; Uncertain Systems and Robustness; Unmanned, Ground and Surface Robotics; Vehicle Dynamics Control; Vibration and Control of Smart Structures/Mech Systems; Vibration Issues in Mechanical Systems. Columbus, Ohio, USA. October 28–30, 2015. V003T39A006. ASME. https://doi.org/10.1115/DSCC2015-9970
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