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A solution developed for power quality conditioning (PQC) applied in distributed generation system is presented. The method is exploiting the capabilities of the DC/AC converter of a system that has been developed to generate electric power by utilizing alternative, renewable and waste energies. The power quality conditioning is based on the application of space vector theory, using an algorithm easy...
Recently, skill preservation of an expert and skill training have been a serious problem of the medical or production fields. This paper proposes a task preservation and reproduction of multi-degree-of-freedom motion using interaction mode control based on bilateral motion control. The proposed task preservation system is composed of two modes; acquisition mode and reproduction mode. In the acquisition...
In recent years, bilateral system has been widely researched for its functionality and availability. The system is effective in the fields of medical treatment, but application is limited to one-on-one system. The purpose of this study is development of basic technology for haptic information sharing technology. In this paper, a noble bilateral control method is introduced to realize multiple inputs...
A five-phase two-motor drive system with series connection of stator windings and decoupled dynamic control has been introduced recently. The two-motor drive system is supplied from a single five-phase voltage source inverter (VSI) and controlled using vector control scheme. If current control is to be implemented in the rotating reference frame, a PWM method for the five-phase VSI is required to...
An approach to discrete-time sliding-mode (SM) current control and conventional SM with smoothing filter is presented for field-oriented induction motor (IM) drives. Design of both proposed SM controllers is based on space vector PWM scheme by introducing some parts of the stator model as control input, which may correspond to voltage vector command. The control input was obtained employing the error...
Storm of October 2003 and November 2004 belongs to the second maximum in the 23rd solar sunspot's cycle. Spectacular solar-geophysical processes were registered in the geospace from 21 to 31 October 2003. During 03-10, November 2004, the largest flare were accompanied by halo CMEs emission and the super active sunspot groups dominated in the solar activity. During those days, in the magnetic field...
This paper compares the calculated reliability of a Matrix Converter with an 18-pulse rectifier/inverter topology for a typical aerospace motor drive application. The military handbook MIL-HDBK-217F guidelines have been used to predict reliability. Although the Matrix Converter has a higher number of semi-conductor switches, these switches are subjected to a lower voltage stress, which can shown to...
Multiphase motor drives are multi-dimensional systems, so multiphase SVPWM must be implemented in a multi-dimensional vector space to satisfy motor's control requirements. In this paper, a novel multi-dimensional multiphase SVPWM strategy, which could synthesize the required voltage vectors not only in d-q subspace but also in other subspaces, is presented. Therefore, this strategy can control all...
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