Pole Placement Approach for Controlling Double Inverted Pendulum
Keywords:
double inverted pendulum; linear time-invariant system; pole placement method
Abstract
In this paper we present in-depth analysis of the classical double inverted pendulum DIP system using the DIP modeling and the pole placement approach to control it The double inverted pendulum system has the characteristics of multiple variables non-linear absolute instability it can reflect many key issues in the progress of control such as stabilization non-linear and robust problems etc DIP model is a simplified model of the anterior-posterior motion of a standing human DIP has four equilibrium points Down-Down Down-Up Up-Down Up-Up The objective of this paper is to keep the double pendulum in an Up-Up unstable equilibrium point Modeling is based on the Euler-Lagrange equations and the resulted non-linear model is linearized around Up-Up position The built of mathematical model of double inverted pendulum plays a guiding role on the stability of the system The eigen-values of the system which are the poles of the system have enormous influenced on stability and system response Pole placement is the control method which places the poles at the desired position to control the system by calculating gain matrix of the system In this paper the performance of the pole placement method is analyzed by MATLAB to control the double inverted pendulum
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Published
2013-01-15
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This work is licensed under a Creative Commons Attribution 4.0 International License.