There are many criticisms for the association between Six Sigma concept and two statistical metrics associated to 6σ processes: 1.5σ shift maximum deviation 3.4 PPM non-conformities long-term performance. As a result, paper aims carry out an analysis of this problem, first result obtained is that stable process can reach drift, but its value depends on volume sample. It also highlighted that, u...

Abstract Assembly systems require to be designed considering flexibility from a holistic perspective produce the variety of current and future product generations. Reactive ad hoc changes after realizing both assembly system designs considerable effort may even impossible. A systematic collaborative approach that concurrently considers early phases development appears essential for working with...

As one of the countries with most energy consumption in world, electricity accounts for a large proportion supply our country. According to national basic policy conservation and emission reduction, it is urgent realize intelligent distribution management by prediction. Due complex nature load sequences, traditional model predicts poor results. kernel-based machine learning model, Gaussian Proc...

Performance appraisal is a process which help shareholders make informed and optimal investment decisions. In recent decades, a long stream of research has devoted particular attention to the importance and impact of financial decisions on firm performance and firm value. The present study thus is primarily concerned with investigating the association between free cash flow and institutional ow...