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Front. Inform. Technol. Electron. Eng.  2011, Vol. 12 Issue (9): 774-786    DOI: 10.1631/jzus.C1000368
    
Interconnection and damping assignment and Euler-Lagrange passivity-based control of photovoltaic/battery hybrid power source for stand-alone applications
Ali Tofighi1,2, Mohsen Kalantar2
1 Department of Electrical Engineering, Pardis Branch, Islamic Azad University, Pardis, Iran 2 Center of Excellence for Power System Automation and Operation, Department of Electrical Engineering, Iran University of Science and Technology, Tehran, Iran
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Abstract  A DC hybrid power source composed of photovoltaic cells as the main power source, Li-ion battery storage as the secondary power source, and power electronic interface, is modeled based on port-controlled Hamiltonian systems and Euler-Lagrange framework. Subsequently, passivity-based controllers are synthesized. Local asymptotic stability is ensured as well. In addition, a power management system is designed to manage power flow between components. Modeling and simulation of the proposed hybrid power source is accomplished using MATLAB/Simulink. Our interest is focused on the comparison of the two passivity-based control methods and their use in hybrid power systems.

Key words： DC hybrid power source      Euler-Lagrange (EL) equations      Interconnection and damping assignment (IDA)      Passivity-based control      Photovoltaic      Li-ion battery     
Received: 21 October 2010      Published: 09 September 2011
CLC:  TP274  
  TM911.4  
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Cite this article:

Ali Tofighi, Mohsen Kalantar. Interconnection and damping assignment and Euler-Lagrange passivity-based control of photovoltaic/battery hybrid power source for stand-alone applications. Front. Inform. Technol. Electron. Eng., 2011, 12(9): 774-786.

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http://www.zjujournals.com/xueshu/fitee/10.1631/jzus.C1000368     OR     http://www.zjujournals.com/xueshu/fitee/Y2011/V12/I9/774


Interconnection and damping assignment and Euler-Lagrange passivity-based control of photovoltaic/battery hybrid power source for stand-alone applications

A DC hybrid power source composed of photovoltaic cells as the main power source, Li-ion battery storage as the secondary power source, and power electronic interface, is modeled based on port-controlled Hamiltonian systems and Euler-Lagrange framework. Subsequently, passivity-based controllers are synthesized. Local asymptotic stability is ensured as well. In addition, a power management system is designed to manage power flow between components. Modeling and simulation of the proposed hybrid power source is accomplished using MATLAB/Simulink. Our interest is focused on the comparison of the two passivity-based control methods and their use in hybrid power systems.

关键词： DC hybrid power source,  Euler-Lagrange (EL) equations,  Interconnection and damping assignment (IDA),  Passivity-based control,  Photovoltaic,  Li-ion battery 
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