LQR and H_2 Controllers Design Using State Derivative Feedback for Multivariable Systems
This paper presents the design of LQR (linear quadratic regular) and controller using state derivative feedback. This design is solvable for all controllable systems. The state derivative feedback is used instead of state feedback in many mechanical systems because the main sensors of vibration are accelerometers. A multivariable active suspension system is used in this paper to show the effectiveness of the proposed controllers. The obtained results are compared to the same approaches when a state feedback is used. It is shown that the design using state derivative feedback can achieve a better performance.
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