Aiming at the diversity and nonlinearity of the elevator system control target, an effective group method based on a hybrid algorithm of genetic algorithm and n
An accurate circuit of PWM/PFM mode converting and a circuit of auto-adaptively adjusting dimension of power transistor are described.The duty cycle of the sign
To prevent expanded polystyrene(EPS) beads from rising up to the surface in the molding process of EPS lightweight concrete,vibration with pressure was applied