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This paper introduces a wholly new viewpoint to survey control and stability, the viewpoint of the nature. Based on the Lyapunov stability theory, inspired by the universe and the attractor of differential equation (DE), the essence of control and stability can be regard as the cooperation of the "attraction" and the "damp". The attraction is induced by the attractors located in...
Flight control systems are often designed in linearization points over a flight envelope and it must be proven to clearance authorities that the system works for different parameter variations and failures all over the envelope. A numerical matrix-based robustness analysis method using -analysis techniques is described herein. The method contains three key steps: 1) convert the nonlinear system of...
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