In this paper, photovoltaic (PV) grid-connected inverter which is the core device in PV grid-connected system has been in depth research.An improved predictive current controller has been developed by the Authors for single-phase grid-connected voltage source inverters (VSI).Based on DSP TMS320LF2407A, a 10 kW single-phase grid-connected inverter has been built in this paper.Thus is aimed at us...

This study extends the authors’ previous numerical and experimental studies simulating progressive collapse of steel stiffened-plate structures in fire events (Paik JK, Ryu MG, He KH, Lee DH, SY, Park DK, Thomas G. 2021a. Full-scale testing to stiffened plate under lateral patch loading (part 1) – without passive protection. Ships Offsh Struct. 16(3):227–242; Paik 2021b. 2) with 16(3):243–254; ...

The use of cold-formed steel (CFS) back-to-back channels as floor joists is increasing steadily, and such beams often include un-stiffened holes for installation services, which reduces their flexural strength due to the reduced web area. A new generation CFS with edge-stiffened has been widely used. However, no research undertaken understand effects composite actions on moment capacity built-u...

The author proposes a refined discrete method for taking into account stiffeners in the simulationof thin-walled shell structures. According to method, it is necessary add different reduction factors along coordinate axes. For ribs directed perpendicular considered direction, factor introduced equal ratio of width this direction linear size direction. This supplements previously developed geome...