Adaptive Neuro-Fuzzy Inference System-Based Bass Gura Controller for Solar-Powered SEPIC Converter

Abstract

A systematic design and detailed circuit analysis of a solar-powered ROSEPIC (reduced order single ended primary inductance converter) converter for maximum power point tracking (MPPT) and load voltage regulation by cascading an adaptive neuro-fuzzy inference system (ANFIS)-based Bass Gura controller with particle swarm optimization for standalone DC nanogrid applications has been proposed. An accurate mathematical model is derived to evaluate the gains of the Bass Gura controller. The order of the transfer function is reduced by using the moment matching method. The performance of the proposed controller is compared with the conventional Bass Gura controller to show the effectiveness of the system. Also, to substantiate the simulation results, an experimental prototype model controlled by C2000 Piccolo TMS320F28035MCU digital controller is set up. The inferences arrived from the results are (a) the proposed ANFIS-based Bass Gura controller has the ability in tracking 81.48–99.42% of MPPT and load voltage simultaneously against various irradiation levels, temperatures, and loads and (b) the moment matching method eases the controller design by retaining only the dominant modes. Despite of its potential benefits, the ROSEPIC system is also subjected to partial shading conditions, and the results guaranteed that the proposed ANFIS-based Bass Gura controller is effective enough in tracking the MPPT as well as the load voltage.

Keywords:

• Adaptive neuro-fuzzy inference system-based Bass Gura controller
• DC-DC single-ended primary inductance converter
• Optimization techniques
• Reduced order
• Solar photovoltaic system

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Notes on contributors

B. Lekshmi Sree

B Lekshmi Sree received the BE in electrical and electronics engineering from CSI Institute of Technology, Anna University, India in 2007, ME in power electronics and drives from Rajalakshmi Engineering College, Anna University Chennai, India in 2013, and PhD in the area of power electronics and renewable energy sources from Anna University, India in 2020. She is currently working as an associate professor, Department of Electrical and Electronics Engineering, Narsimha Reddy Engineering College, Hyderabad, India. Her research area of interest includes optimization techniques, robust control techniques and renewable energy sources.

M. G. Umamaheswari

M G Umamaheswari received the BE in instrumentation and control engineering from Government College of Technology, Coimbatore, India in 1991, ME in electrical drives and embedded control, and PhD in the area of power quality from College of Engineering, Anna University, Chennai, India in 2005 and 2013, respectively. She is currently working as a professor, Department of Electrical and Electronics Engineering, Rajalakshmi Engineering College, Chennai, India. Her research area of interest includes power quality enhancement using power converters and the application of linear and nonlinear controllers to renewable power-fed converters. E-mail: [email protected]

A. Sangari

A Sangari received her BE in electrical and electronics engineering from Sri Venkateswara College of Engineering, Sriperumbudur, Chennai, India in 2004, ME in Rajalakshmi Engineering College, Anna University, Chennai, India in 2009, and PhD in the area of power electronics, from Anna University, Chennai, India in 2021. She is currently working as an assistant professor, Department of Electrical and Electronics Engineering, Rajalakshmi Engineering College, Chennai, India. Her research area of interest includes multi-level inverter, Z-source inverter, and renewable energy. E-mail: [email protected]

C. Komathi

C Komathi received the BE in instrumentation and control engineering from University of Madras, India in 2002, MTech in embedded systems technologies from College of Engineering, Anna University, Chennai, India in 2008, and PhD in the area of application of soft computing techniques for power factor correction from Anna University, Chennai, India in 2020. She is currently working as an associate professor, Department of Electronics and Instrumentation Engineering, Sri Sairam Engineering College, Chennai, India. Her research area of interest include power quality enhancement using power converters, applications of various controllers, and soft computing techniques for power factor correction. E-mail: [email protected]

S. Durgadevi

S Durgadevi received her BE in electronics and instrumentation engineering from National Engineering College, Anna University, India in 2005, ME in power electronics and drives from RMK Engineering College, Anna University Chennai, India in 2010, and PhD in the area of power electronics under Faculty of Electrical Engineering, Anna University, India in 2020. She is currently working as an associate professor, Department of Electronics and Instrumentation Engineering, Sri Sairam Engineering College, Chennai, India. Her research area of interest includes power converters, optimization techniques, and robust control techniques. E-mail: [email protected]

Gajendran Marimuthu

Gajendran Marimuthu received the BE in electronics and instrumentation engineering from Manonmaniam University, Tirunelveli, India in 2004; ME and PhD degree in power electronics and drives from Anna University, Chennai, India in 2008 and 2021, respectively. He is currently working as an assistant professor, Department of Electronics and Instrumentation Engineering, RMK Engineering College, Thiruvallur, India. His research area of interest includes power quality, power converters, soft computing, and embedded controller design for power converters. E-mail: [email protected]