State Space Decoupling Control Design Methodology for Switcing Converters

Evandro de C. Gomes; Luiz A. de S. Ribeiro; João V. M. Caracas; Sebastian Y. C. Catunda; Robert D. Lorenz

doi:10.18618/REP.2012.1.456465

Authors

Evandro de C. Gomes Instituto Federal de Educação, Ciência e Tecnologia do Maranhão Av. Getúlio Vargas no. 4, Monte Castelo, 65020-000, São Luís - Ma, Brazil
Luiz A. de S. Ribeiro Institute of Electrical Energy /Federal University of Maranhão Av. dos Portugueses, s/n, Campus Universitário do Bacanga, 65080-040, São Luís - Ma, Brazil
João V. M. Caracas Universidade Federal do Rio Grande do Norte, Departamento de Engenharia de Computação e Automação. Campus Universitário, Lagoa Nova, 59072-970 - Natal, RN – Brasil
Sebastian Y. C. Catunda Universidade Federal do Rio Grande do Norte, Departamento de Engenharia de Computação e Automação. Campus Universitário, Lagoa Nova, 59072-970 - Natal, RN – Brasil
Robert D. Lorenz University of Wisconsin - Madison, WEMPEC, 1513 University Ave, Madison, WI 53706

DOI:

https://doi.org/10.18618/REP.2012.1.456465

Keywords:

DC-DC converter, Disturbance Input Decoupling, State Space Control, Voltage Regulators

Abstract

This paper derives an approach for analyzing dc-dc converters for feedback control design. The control-to-output voltage transfer function of the converters, usually predicted by averaging models, and the classical feedback control techniques is replaced by the state space average block diagram analysis. These state block diagrams are obtained from state space averaging matrixes of the converters combined with their continuous conduction mode differential equations. This decoupling technique yields first order control transfer functions allowing easier synthesis of controllers. The disturbance rejection properties of the controller are analyzed and improved by disturbance input decoupling. The technique is applied to the design of buck converters controllers, and the simulation and experimental results demonstrate good transient response when compared to classical voltage controllers. The structure is easy to implement with relevant applications in integrated circuit manufacturing and general industrial environments.

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Author Biographies

Evandro de C. Gomes, Instituto Federal de Educação, Ciência e Tecnologia do Maranhão Av. Getúlio Vargas no. 4, Monte Castelo, 65020-000, São Luís - Ma, Brazil

was born in Batalha, PI, Brazil, in 1977. He received the M.Sc. degree in Electrical Engineering from the Federal University of Maranhão, Brazil, in 2009. From 1998 to 2001, he was electronics technician supervisor of Motorola Authorized Service Center and he was manager of MCEL Telecommunication Ltda, in São Luís, MA, Brazil. From 2002 to 2003 he was Professor at the National Service of Industrial Learning – SENAI, in São Luís, MA, Brazil. Since 2004, he has been Professor at the Federal Institute Maranhão, where he is currently head of electrical and electronics department. His main areas of interest include microelectronics, instrumentation and power electronics applied to renewable energy sources. Since 2009, he is a member of IEEE Power Electronics Society, IEEE Circuits & Systems Society and IEEE Communications Society.

Luiz A. de S. Ribeiro, Institute of Electrical Energy /Federal University of Maranhão Av. dos Portugueses, s/n, Campus Universitário do Bacanga, 65080-040, São Luís - Ma, Brazil

was born in São Luís, MA, Brazil, in 1967. He received the M.Sc. and Ph.D. degrees in electrical engineering from the Federal University of Paraíba, Camp Grande, Brazil, in 1995 and 1998, respectively. From 2004 to 2006, he was a Visiting Researcher at the University of Wisconsin, Madison, working in sensorless control of permanent magnet synchronous machines. Since 2008, he has been an Associate Professor at the Federal University of Maranhão, São Luís, MA, Brazil. His main areas of interest include electric machine and electric drives, power electronics, and power systems using renewable energy sources.

João V. M. Caracas, Universidade Federal do Rio Grande do Norte, Departamento de Engenharia de Computação e Automação. Campus Universitário, Lagoa Nova, 59072-970 - Natal, RN – Brasil

was born in São Luis, Brazil, in 1988. He received the B.S. degree in electrical engineering from Federal University of Maranhão, Brazil in 2010, where he is currently working toward the M.S. degree. His research is focused on the development of power converters for renewable energy systems. His major interests are gr connected converters.

Sebastian Y. C. Catunda, Universidade Federal do Rio Grande do Norte, Departamento de Engenharia de Computação e Automação. Campus Universitário, Lagoa Nova, 59072-970 - Natal, RN – Brasil

was born in João Pessoa, Brazil, in 1971. He received the B.Sc. and M.Sc. degrees in Electrical Engineering from the Federal University of Paraíba (UFPB), Campina Grande, Brazil, in 1993 and 1996, respectively, and the Ph.D. degree in Electrical Engineering from a joint doctoral program at UFPB and Ecole National Supérieure des Télécommunications, Paris, France, in 2000 465 Eletrôn. Potên., Campo Grande, v. 17, n. 1, p. 456-465, dez. 2011/fev. 2012 Brazil. Since March 2010 he has been an Associate professor at Federal University of Rio Grande do Norte. His research interests include electronic instrumentation and sensors, embedded systems, control systems, and mixed-signal microelectronic circuits.

Robert D. Lorenz, University of Wisconsin - Madison, WEMPEC, 1513 University Ave, Madison, WI 53706

received the B.S., M.S., and Ph.D. degrees from the University of Wisconsin, Madison, and the M.B.A. degree from the University of Rochester, Rochester, NY. He conducted his Master thesis research in adaptive control of machine tools at the Technical University of Aachen, Aachen, Germany, from 1969 to 1970. Since 1984, he has been a member of the faculty of the University of Wisconsin, Madison, where he is the Mead Witter Foundation Consolidated Papers Professor of Controls Engineering in the Department of Mechanical Engineering. He is Codirector of the Wisconsin Electric Machines and Power Electronics Consortium, which celebrated its 28th anniversary in 2009. It is the largest industrial research consortium on motor drives and power electronics in the world. From 1972 to 1982, he was a Member of the Research Staff with the Gleason Works, Rochester, NY, working principally on high-performance drives and synchronized motion control. He was a Visiting Research Professor with the Electrical Drives Group of the Catholic University of Leuven, Belgium, in the summer of 1989 and with the Power Electronics and Electrical Drives Institute of the Technical University of Aachen, Germany, in the summers of 1987, 1991, 1995, 1997, and 1999, and was the SEW Eurodrive Guest Professor from September 1, 2000 to July 7, 2001. His current research interests include sensorless electromagnetic motor/actuator technologies, power electronic device junction temperature estimation and real-time control, fast signal processing and estimation techniques, precision multiaxis motion control, and ac/dc drive and high-precision machine control technologies. He has authored over 200 published technical papers and is the holder of 23 patents with three more pending. Dr. Lorenz is a Registered Professional Engineer in the States of New York and Wisconsin. He is also a member of the American Society of Mechanical Engineers, Instrument Society of America, and The International Society for Optical Engineers. He was IEEE Division II Director for 2005/2006, was the IEEE Industry Applications Society (IAS) President for 2001, a Distinguished Lecturer of the IEEE IAS for 2000/2001, past Chair of the IAS Awards Department, past Chairman of the IAS Industrial Drives Committee, and is a member of the IAS Industrial Drives, Electric Machines, Industrial Power Converter, and Industrial Automation and Control Committees. He is immediate past Chair of the Periodicals Committee and current Chair of the Periodicals Review Committee for the IEEE Technical Activities Board. He is a member of the IEEE Sensors Council AdCom. He is a long-time member of the EPE International Steering Committee and, in 2006, he received the EPE PEMC Outstanding Achievement Award. He has won 22 prize paper awards.

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