Feedback linearization based nonlinear control of magnetic levitation system

Control of unstable nonlinear system is challenging. When the method relying on objective function is used, this function may be non-convex. Feedback linearization derives exact linear model that imitates the dynamics of nonlinear model. In this paper linear quadratic control is applied for feedback linearized system. The method is simulated on magnetic levitation system. Simulation shows that the control assures good performance.