نتایج جستجو برای: constant normal load
تعداد نتایج: 900011 فیلتر نتایج به سال:
This paper deals with the control and stability enhancement of a wind power generation system feeding active load with constant power characteristic. The under study system is a combined wind-battery generation system with permanent magnet synchronous generator (PMSG) supplying active load by using interfaced power electronics converters. The employed active load is indeed an active rectifier b...
This paper presents an investigation on the capability of gust load alleviation by normal microjet. The numerical method integrates unsteady Reynolds averaged Navier-Stokes (URANS) solutions, structural dynamic equations motion and Field Velocity Method. is verified for responses rigid elastic models. results microjet are validated against experimental previous data. Load control capabilities e...
Polymer materials have been used in a wide area from our homes to industry today. For this reason, creep curves the mechanical properties of polymer are an important factor for correct use polymers. This article presents new constant load test machine design which is mechatronic system perform testing A low-cost was developed by mounting clamps, pulleys, weights and steel cable on top main fram...
Although humans clearly expend more energy to walk with an extra load, it is unclear what biomechanical mechanisms contribute to that increase. One possible contribution is the mechanical work performed on the body center of mass (COM), which simple models predict should increase linearly with added mass. The work should be performed primarily by the lower extremity joints, although in unknown ...
the current study presents a new analytical method for buckling analysis of circular plates with constant thickness and poisson’s ratio, made of functionally graded material subjected to radial load. governing equations are based on energy method for thin plates. the boundary conditions of the plate are assumed to be simply supported and clamped. the stability equations were obtained by using c...
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