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Efficient fuzzy control of a rotary inverted pendulum based on LQR mapping

Krishen, J. and Becerra, V. M. (2006) Efficient fuzzy control of a rotary inverted pendulum based on LQR mapping. In: Proceedings of the 2006 IEEE International Conference on Intelligent Control. IEEE, New York, pp. 467-472. ISBN 9780780397989

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This paper develops fuzzy methods for control of the rotary inverted pendulum, an underactuated mechanical system. Two control laws are presented, one for swing up and another for the stabilization. The pendulum is swung up from the vertical down stable position to the upward unstable position in a controlled trajectory. The rules for the swing up are heuristically written such that each swing results in greater energy build up. The stabilization is achieved by mapping a stabilizing LQR control law to two fuzzy inference engines, which reduces the computational load compared with using a single fuzzy inference engine. The robustness of the balancing control is tested by attaching a bottle of water at the tip of the pendulum.

Item Type:Book or Report Section
ID Code:14411
Uncontrolled Keywords:fuzzy control, mechanical systems/robotics, real-time systems

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