Abstract Studies report that subjective and objective sleep parameters often do not agree with each other. This study examined if discordance between measures are associated cognition. Participants from the Midlife in United States (n=627) provided (self-report) (actigraphy) duration quality. Discordance was assessed by absolute difference z-scores variable. Cognitive function measured Brief Te...

The primary function of hybrid direct current circuit breakers (HCBs) is to quickly interrupt fault currents protect high-voltage (HVDC) systems. To enhance the reliability and stability HVDC systems, optimal design HCBs required minimize peak current, interruption time, recovery time. Therefore, this study develops a multi-objective genetic algorithm (MOGA)-based optimization model identify pa...

Poor surface finish on die and mould transfers the bad quality to processed parts. High roughness is an example of that normally reduced by manual polishing after conventional milling machining process. Therefore, in order avoid disadvantages disadvantage machining, a sequence two operations proposed. The main operation run followed Rotary Ultrasonic Machining Assisted Milling (RUMAM). However,...