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In this paper, a new design method of vibration suppression controller for a 3-mass system is proposed. The controller consists of a digital modified-IPD controller for speed loop and a digital PI controller for current minor loop. We apply an off-line tuning using a particle swarm optimization for the determination of the six controller gains. To confirm the effectiveness of the proposed method,...
In this paper, a robust vibration suppression control method for a multi-inertia (a three-inertia and a four-inertia) system by a digital modified-IPD controller is proposed. The controller consists of integral, proportional, derivative and time lag of first order element. We apply the Taguchi Method for the determination of the controller gains for several noise factors (load side inertias and stiffness...
This paper presents a novel vibration suppression method for a 3-inertia control system by a modified-IPD (integral plus proportional plus derivative) controller. In the IPD structure, the integral action integrates the error between the designed output and the plant output, and the proportional and derivative terms act on the plant output only. The modified form introduces one extra parameter for...
The machine stand vibrates at each operation of actuators and this vibration possibly affects a positioning control, that is, the settling time of the positioning control is prolonged. In order to solve the problem, we present a feedforward controller design method for a system including not only a machine but also a machine stand. Moreover, the model for this system is proposed and identified by...
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