Fixed-time disturbance observer based fixed-time back-stepping control for an air-breathing hypersonic vehicle.
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DOI: 10.1016/j.isatra.2018.12.013
Abstract: This paper proposes a fixed-time backstepping control scheme based on fixed-time disturbance observer for flexible air-breathing hypersonic vehicles. The backstepping control is combined with the fixed-time control technique to achieve fixed-time convergence. A fixed-time super-twisting… read more here.
Keywords: control; disturbance observer; time; fixed time ... See more keywords
Eigensolutions of nonviscously damped systems based on the fixed-point iteration
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DOI: 10.1016/j.jsv.2017.12.025
Abstract: Abstract In this paper, nonviscous, nonproportional, symmetric vibrating structures are considered. Nonviscously damped systems present dissipative forces depending on the time history of the response via kernel hereditary functions. Solutions of the free motion equation… read more here.
Keywords: damped systems; nonviscously damped; eigensolutions nonviscously; systems based ... See more keywords
Effects of friction-based fixed bearings on seismic performance of high-speed railway simply supported girder bridges and experimental validation
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DOI: 10.1177/1369433218798120
Abstract: This study investigated the seismic performance of simply supported girder bridges with a span length of 32 m. Those bridges were a common part in China’s high-speed railway system and used spherical bearings to connect girders… read more here.
Keywords: friction; friction based; based fixed; seismic performance ... See more keywords