Abhishek Kumar

Work place: M Tech SMC Scholar, Electronics & Computer Engineering Department, Indian Institute of Technology Roorkee, Uttarakhand, India

E-mail: abhishekdri@gmail.com


Research Interests: Process Control System, Control Theory


Abhishek Kumar was born in Gaya, India in 1986. He received bachelor degree in Electronics Engineering from Bhilai Institute of Technology, Durg in 2010. Currently he is pursuing M Tech with specialization in System Modeling & Control in Electronics and Computer Dept. from Indian Institute of Technology Roorkee. His area of research includes Nonlinear control, Fuzzy control, Adaptive control.

Author Articles
Design of Type-2 Fuzzy Controller based on LQR Mapped Fusion Function

By Abhishek Kumar Sudeep Sharma R. Mitra

DOI: https://doi.org/10.5815/ijisa.2012.08.03, Pub. Date: 8 Jul. 2012

“Rule number explosion” in fuzzy controller and “uncertainty” in the model are two main issues in the design of fuzzy control systems. To overcome these problems, we have applied a method in which a linear sensory fusion function has been used to reduce the number of dimensions of fuzzy controller’s inputs and simultaneously use the features of LQR control. Since, in type-2 fuzzy control, the degree of fuzziness increased and it can better handle the uncertainty in the model compared to conventional fuzzy, so the method of sensory fusion with type-2 fuzzy control scheme has been combined to make the controller more robust w.r.t. the parameter variation, perturbance and uncertainty in the model. Performance criteria like IAE, ISE and ITAE have been used to compare the control performance obtained from conventional fuzzy and type-2 fuzzy controller.

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