A convergence of market drivers is reshaping factory automation. The increasing demand for customized products is just one example of how these trends are transforming production lines worldwide. In the pursuit of perfect production at assembly lines, overall efficiency effectiveness (OEE) has emerged as the yardstick that tells manufacturers whether they are producing quality products or components, as fast as possible, and with fewer interruptions. OEE focuses on three elements—availability, performance, and quality—to help factory managers keep their finger on the pulse of production.