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Constrained model predictive control for proton exchange membrane fuel cell

Abdullah, Muhammad Faris and Idres, Moumen (2014) Constrained model predictive control for proton exchange membrane fuel cell. Journal of Mechanical Science and Technology, 28 (9). pp. 3855-3862. ISSN 1738494X

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Abstract

A constrained model predictive control (MPC) is designed to regulate the air flow rate of proton exchange membrane fuel cell (PEMFC). Oxygen excess ratio, compressor flow rate and supply manifold pressure are constrained to avoid oxygen starvation, surge and choke phenomena. This is achieved by manipulating compressor voltage and stack current. The choice of the manipulated input to satisfy a constraint is investigated. Surge and choke avoidance is successful, when compressor voltage is manipulated. When stack current is utilized to satisfy surge and choke constraints, a large unrealistic current is needed. Oxygen starvation is successfully avoided utilizing stack current, while compressor voltage manipulation fails to prevent oxygen starvation. Thus, a current governor is implemented to handle oxygen starvation, while the compressor voltage is constrained to avoid surge and choke. Quadratic programming optimization, Laguerre and exponential weight function are employed to reduce the computational burden of the controller. The simulation results prove that the proposed controller managed to satisfy all constraints without any conflict.

Item Type: Article (Journal)
Additional Information: 5827/43832
Uncontrolled Keywords: Compressor choke; Compressor surge; Constrained MPC; Oxygen starvation; PEMFC
Subjects: T Technology > TJ Mechanical engineering and machinery
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Engineering > Department of Mechanical Engineering
Depositing User: Dr Moumen Idres
Date Deposited: 20 Jul 2015 16:32
Last Modified: 24 Aug 2017 15:20
URI: http://irep.iium.edu.my/id/eprint/43832

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