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This paper discusses stability issues in dc micro-grids with cascade distributed architectures. In these architectures point-of-load converters behave as instantaneous constant-power loads to line regulating converters located upstream. Constant-power loads introduce a destabilizing effect into a dc micro-grid that may cause its main bus voltages to show significant oscillations or to collapse. Mitigating...
This paper presents experimentally oriented remote control course for mechatronics students that is available to the engineering students from 11 European countries. The course aim is to give students theoretical knowledge as well as necessary experience and practical skills for designing of the motion controllers for mechatronics devices. In the course all phases of the motion control design including...
In this paper a comprehensive equivalent model for a distribution system and statcom dynamics is proposed based on the state voltages and currents. Also a novel and efficient linear feedback control strategy based on utilizing quasi steady state solution, as reference signals, is represented. In order to design load and dc bus voltage transfer functions, a composite 'Lead Phase and Pole Placement'...
The main objective of this paper is to design a fast, non-expensive and practical controller for tower cranes. The controllers are designed to transfer the loads from point to point, as fast as possible, and at the same time the load swing is kept small during the transfer process. Moreover, variations of the system parameters such as cable length are taken into consideration. It is shown how the...
In this paper, we consider the closed-loop rate-based flow control for available bit rate (ABR) service in asynchronous transfer mode (ATM) networks, where the ABR sources adjust their transmission rates in response to feedback explicit rates (ER) from the network switches. The feedback ER may be saturated due to the peak cell rate (PCR) and the minimum cell rate (MCR). The buffer occupancy state...
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