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Aiming at the essence of epistasis and its significance in measuring genetic algorithm hardness, a theoretical analysis and a practical research are processed. Based on the analysis of the Euclidean normalization of epistasis variance and the extent of epistasis coefficient, which reflect the extent of epistasis of genetic algorithms, two theorems are(More)
A new method has been proposed for enhancing extraction yield of rutin from Sophora japonica, in which a novel ultrasonic extraction system has been developed to perform the determination of optimum ultrasonic frequency by a two-step procedure. This study has systematically investigated the influence of a continuous frequency range of 20-92 kHz on rutin(More)
This paper deals with the problems on the guaranteed cost control for the uncertain systems with multiple time delays. Based on T-S fuzzy model, a fuzzy dynamic output feedback guaranteed cost control problem is studied for a class of uncertain systems with multiple time delays. A sufficient condition for the existence of fuzzy output feedback guaranteed(More)
A control algorithm for solving the problem of general 6-DOF serial mechanic arm was proposed, based on inverse kinematics, by applying pseudo-inverse of Jacobian matrix for solving differential movement and using Newton-Raphson iteration to approximate target position. Jacobian matrix was modeled according to forward kinematics, using SVD decomposition of(More)
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