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ISSN:2394-3661 | Crossref DOI | SJIF: 5.138 | PIF: 3.854

International Journal of Engineering and Applied Sciences

(An ISO 9001:2008 Certified Online and Print Journal)

Design of controllers for a Non-linear system using Pole-placement and Linear Quadratic Regulator Technique to solve Servo and Regulatory problem

( Volume 3 Issue 11,November 2016 ) OPEN ACCESS

Neetha R


This project mainly discusses about the design of controller for a nonlinear system like rotary inverted pendulum. This system is under actuated and well-suited for verification and practice of ideas emerging in control theory. Nonlinear systems exhibit instability, making the design of controllers for balancing in the stable position, a challenging problem. The dynamic model of the rotary inverted pendulum is identified first and the state space representation of the system is obtained. The controller is designed by using the pole placement technique and Linear Quadratic Regulator technique in MATLAB software package. The regulatory problem and the servo problem of rotary inverted pendulum system is solved with these controllers designed. The different controller design is implemented in simulation and their performances are compared. Simulation results onto a nonlinear system are given to illustrate the effectiveness of the developed strategies. 

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