Sleep is essential for physical and mental health. Polysomnography (PSG) procedures are labour-intensive time-consuming, making diagnosing sleep disorders difficult. Automatic staging using ML-based methods has been studied extensively, but frequently provides noisier predictions incompatible with typical manually annotated hypnograms. We propose an energy optimization method to improve the qua...

In optimal control problems of switched systems, in general, one needs to find both optimal continuous inputs and optimal switching sequences, since the system dynamics vary before and after every switching instant. In a previous paper, we proved that an optimal control problem can be posed as a two stage optimization problem under some additional assumptions. In general, the two stage optimiza...

This study considers instant decision-making needs of the automobile manufactures for resequencing vehicles before final assembly (FA). We propose a rule-based two-stage stochastic model to determine the number of spare vehicles that should be kept in the pre-assembly buffer to restore the altered sequence due to paint defects and upstream department constraints. First stage of the model decide...