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In this paper, a novel method is developed for the design of IIR digital filters in the minimax sense. The Steiglitz–McBride (SM) scheme is adopted in the proposed method to simplify the design procedure. But, different from traditional SM-based design approaches, our method decomposes the denominator polynomial of an IIR digital filter as a cascade of several second-order factors (SOFs) and a higher-order...
A novel stability condition is developed in this paper. It is both necessary and sufficient, which ensures that optimal design cannot be excluded from the admissible solutions. Compared to other necessary and sufficient stability conditions, the proposed one can be expressed as a quadratic constraint in terms of denominator coefficients, which facilitates its combination with other widely used IIR...
Many systems operate in an uncertain environment of limitations such as temperature, pressure, and physical acceleration/deceleration limitation, etc. Whatever the linear or nonlinear control system design methods are, the aircraft engine will encounter limitations on some occasions. So the aircraft engine control system consists of a family of continuous-time subsystems and switches from one to another...
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