Simplified mathematical model of proton exchange membrane fuel. It estimates the cell voltage based on activation, ohmic and concentration overpotentials and considers water transport through the membrane by means of osmosis, diffusion and hydraulic permeation. The ohmic voltage losses are due to the resistance for. Matlabsimulink environment and the results are also discussed. Simplified equations reduce the computational load to make it viable for. Two dimensional pem fuel cell modeling at different. Inci eroglu september 20, 104 pages polymer electrolyte membrane pem fuel cells attract an extensive interest due to their advantageous properties. Pem fuel cell, mathematical modeling, finite element, comsol multi physic. Opensource dynamic matlabsimulink 1d proton exchange. The peak voltage of 122vdc at the beginning of the simulation is caused by the. Modeling and simulation of pem fuel cell power converter. The model of proton exchange membrane pem fuel cell was simulated using matlab.
Pem fuel cell fault detection and identification using. Pem fuel cell modeling with ansysfluent sandeep sovani, ph. This model describes the pemfc behaviour under steadystate condition. However, most of the applications involve the need to study the response of the fuel cell when the electrical load changes. Modeling of pem fuel cell stacks with hydraulic network approach 285 electrode assembly was found through application of conservation of energy, while the electrochemical performance of the pem fuel cell was determined with the empirical relationship of patel et. Where possible, the model is based on parameters with direct physical meaning, with the aim of going beyond empirically describing the characteristics of the fuel cell. An advanced pem fuel cell mathematical model is described and realised in four ancillaries in the matlabsimulink environment. Examples blocks and other reference release notes pdf documentation. Matlab simulink tm is used for the modeling and simulation of the fuel cell system. Purchase pem fuel cell modeling and simulation using matlab 1st edition. Single cell simulation stack simulation steady state simulation transient simulation computing current for fixed voltage. In this paper matlabsimulink generic model of pem fuel cell stack is analyzed.
The behaviour of pem fuel cells is dependent on so many parameters. With this book, engineers can test components and verify designs in the development phase, saving both time and money. Using expressed equations and matlab simulink, pem fuel cell dynamic model was created figure 6, that allows change of membrane water content degree. Pem fuel cell modeling and simulation using matlab pdf free. Three models used in the software, steadystate mode, dynamic model and thermodynamic model, are described first. Pem fuel cell modeling and simulation using matlab. The 4th international conference on fuel cell science, engineering and technology june 1921, 2006, irvine, ca fuelcell200697067 modeling and simulation of a modern pem fuel cell system richard t.
Experiments and modeling of pem fuel cells for deadended. Model of the pem fuel cell in matlabsimulink the model of the pem is implemented in matlabsimulink as a voltagesource controlled in current. Modeling of pem fuel cell stack system using feedforward. Most of the literature is dedicated to characterize the fuel cell while operating in steady state 1 2. Implement generic hydrogen fuel cell stack model simulink. The system consists of a 100 cm 2 pem electrolyzer cell stack, an acdc power supply, a cooling fan, a water circulating pump, a water vessel, a hydrogen storage tank, a controller, a display and sensors. Modeling and control of a pem fuel cell system sayg. Modelling and validation of proton exchange membrane fuel cell. The proposed system consists of a pem fuel cell, a 3phase induction motor, an inverter dcac and a speed controller. This paper is dealing with the interface design and software development for proton exchange membrane pem fuel cell modeling based on matlabsimulink environment.
To provide a higher level of accuracy, a stiff algorithm is used. Maintaining proper membrane humidity is crucial to ensure optimal operation of a polymer electrolyte membrane fuel cell. Pem fuel cell modeling and simulation using matlab by colleen spiegel. The present work is the starting point for the development of a user friendly and versatile tool aimed at controlling and optimizing the operation of a pemfc stack. It is observed that from the simulation results the variations in the input maintains the output current constant. This example shows the proton exchange membrane pem fuel cell stack model feeding an average value. Numerical modeling and simulation of pem fuel cells. Modelling and validation of proton exchange membrane fuel. Pemfc system simulation in matlabsimulink sciencedirect. Proton exchange membrane fuel cells design and construction. Conceived as a research tool for exploring enhanced fuel cell performance and diagnosing. Experiments and modeling of pem fuel cells for deadended anode operation by jason b.
The objective of this paper is to develop a dynamical behavior of a fuel proton exchange membrane pem fuel cell. This work presents an opensource, dynamic, 1d, proton exchange membrane fuel cell model suitable for realtime applications. The voltage and current waveforms of pem fuel cell is as shown above. Modeling and controller design of pem fuel cell system. Modeling and simulation of pem fuel cell power converter system. Computer modeling can also help improve fundamental understanding of the mechanisms and reactions that take place within the fuel cell. The revised lecture and updated simulation is given in the following link s. By analysis of this model it is found that it is a concise model of pem fuel cell. A comparative analysis of two pem fuel cell modeling tools m. Pem fuel cell modeling and simulation using matlab this page intentionally left blank pem fuel cell modeling and s.
Reduce system development costs using modelbased design. It is composed by two subsystems, as shown in figure 2. Using the equations derived for the pem fuel cell model, a simulation model is developed using the simpowersystems toolbox of matlabsimulink. Because electrical work done by fuel cell is equivalent to released chemical energy, value of open circuit fuel cell voltage e meets equation. Pem fuel cell model and simulation in matlabsimulink. Spiegel c 2008 pem fuel cell modelling and simulation using matlab burlington. In this paper, matlabsimulink model of pem fuel cell stack is used to.
Modeling and simulation of a pem fuel cell humidification system dongmei chen huei peng1 department of mechanical engineering university of michigan, ann arbor, mi 481092125. Systems in the university of michigan 2010 doctoral committee. Pem fuel cell modeling and simulation using matlab 1st. Note that the signal variation is not available in this mode.
The purpose of this study was used to determine the response of. Mass transport analysis of a hightemperature pem fuel cell. Modeling and simulation of electric vehicle fed by pem. One and twodimensional models, twophase flow phenomena, and mems fuel cells are included, allowing engineers to test designs in the developmental stage. In order to eradicate the mathematical modeling complexity, an intelligent parametric modeling of pem fuel cell using neural network approach is established that replaces the conventional mathematical modeling of pem fuel cell. Fcs are electrochemical devices in which the fuel reacts with oxygen to generate electricity. In this model pem fuel cell is broadly analyzed by keeping under consideration almost all the parameters which affect the performance of. Dynamic modeling and simulation of a pem fuel cell. Comsol multiphysics is a powerful simulation tool you can use to help understand and overcome pem fuel cell design and construction challenges. A mathematical model of a 750 w pem fuel cell is developed in 22 to. A mathematical model is designed to prolong the stack life of the pem fuel cells. Dynamic modeling of pem fuel cell using particle swarm. Modeling and simulation of a pem fuel cell system under. Deploying an advanced simulation tool like avl fire is essential for the successful development of pem fuel cells by providing guidelines for optimizing performance and longterm efficiency.
This paper presents a dynamic linear mathematical modeling of polymer electrolyte membrane fuel cells pemfcs. Modeling and simulation of a pem fuel cell humidification. Modeling and control for pem fuel cell stack system i jay t. Until the late 1980s and early 1990s, fcs were not a real option for wider application base. The proton exchange membrane pem fuel cell stack model feeding an average value 100vdc dcdc converter. The matlabsimulink software is used in the simulation of a power generation system based on fuel cells. Power systems need to be simulated in a longer period of time and more frequently especially when they are being analyzed using complex computer algorithms. Accurate matlabsimulink model of a power generation. Interface design and software development for pem fuel. Physical and eventbased modeling physical modeling simscape electrical specialized power systems electric drives tags add tags dc power source fuel cell. The power supply is thought to be the source for the energy.
Pdf modern world face problems like energy crises, global warming and ozone. The boundary conditions consist of a source of oxygen the channel at the top of the layer, a nonpenetration condition. Using expressed equations and matlab simulink, pem fuel cell dynamic model was created figure 6, that allows change of membrane water content degree lambdam, value of pressures ph2, po2, pca. Modeling and control for pem fuel cell stack system i. The polymer electrolyte membrane fuel cell pemfc has emerged as a promising fuel cell technology for a varied range of stationary as well as. This paper presented the modeling and simulation of electric vehicles fed by pem fuel cell. Mathematical modeling and dynamic simulink simulation of. I am confused with the equation found under the heading detailed model. Proton exchange membrane fuel cellsdesign and construction. Sensitivity analysis for a pem fuel cell model aimed to. The static model and the dynamic model are implemented by the equations of the electrochemical equivalent circuit defined in the previous. A generic fuel cell model for the simulation of fuel cell vehicles.
These models are then implemented through the graphic user interface gui programming by simulink, and the. This mathematical modeling of pemfc determines the polarization curve, power. The proton exchange membrane fuel cell pemfc is a prime. The developed dynamic model would serve as a good base for fault diagnosis studies on the fuel cell system. Modeling and control of pem fuel cell humidification systems. A comparative analysis of two pem fuel cell modeling tools.
Modeling andsimulation of a fuel cell based system for residential. An advanced pem fuel cell mathematical model is described and realised in four ancillaries in the matlabsimulink. The results from pem fuel cell modeling at different operation voltages are then compared with each other and finally according to the results, the strategy to improve fuel cell performance with the target of reducing cost is introduced. Mdo, pem fuel cell, surrogate model, numerical simulation 1 introduction proton exchange membrane fuel cell pemfc is one of the main technologies in the field of. This mathematical modeling of pemfc determines the polarization curve, power generated. Chapter 8 modeling of pem fuel cell stacks with hydraulic. The work presented in this thesis describes a procedure for utilizing computer modeling to create high quality fuel cell simulations using ansys fluent 12.
Pdf simulink implementation of the fuel cell models. Pem fuel cell modeling and simulation using matlab colleen spiegel. Based on the cathode humidifier, a thermodynamic model was developed to describe the humidification phenomenon. Pem fuel cell modeling and simulation using matlab, provides design engineers and researchers with a valuable tool for understanding and overcoming barriers to designing and building the next generation of pem fuel cells. The overall model of the pem fuel cell consists of 5 subsystems such as partial pressures, ideal voltages, activation losses, ohmic losses and reformer model. An overview of recent progress in pem fuel cell modeling has been provided. Pem fuel cell modeling and simulation using matlab written for students, engineers, and research scientists, this book provides comprehensive coverage for modeling fuel cell components. Fundamental transport phenomena in pem fuel cells and the corresponding mathematical formulation of macroscale models are analyzed.