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In this study, a design analysis was performed through non-destructive test by rectangular rosette and uniaxial strain gages with FEA, between a structural aerospace assembled component of aluminium and a proposal part machined in one step with the same geometric characteristics. The analysis showed that the proposal part machined in one step has a trend to obtain less strain (0.5156mɛ@46.44N rectangular...
The construction of time-periodic stabilizing matrices by the monodromy matrix approach is presented, the time-periodic stabilizing matrices are a special case of time-varying stabilizing matrices formulated in the Brockett problem, a open problem in control theory; a practical example about construction of time-periodic stabilizing matrix for the vertical stabilization of the pendulum with oscillating...
Given the Hill's equation x??+(??+??p(t)t)x=0, where ?? and ?? are parameters and p(t) is periodic. The Arnold's tongues are the unstable regions in the ??-?? plane where the solutions of the Hill's equation are unbounded. We shall present some results about the reshaping of the Arnold's tongues varying p(t) by p??(t)=??(p(t)+??(t)) where the term ??f(t) acts as control parameter. We shall present...
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