In view of the impact of global warming, the concept of a circular economy (CE) is receiving
much attention from corporations and governments. Many studies have suggested that when …

Taiwan is a major exporter and producer of machinery and machine tools in the world. There
are at least hundreds of components for various machining machines. According to the …

In recent years, the integration of new elements to the electric grid, such as electric vehicles
and renewable energies, requires the evolution of the electric grid as we know it, making it …

Measurement errors are inevitable in practice, but they are not considered in the existing
process performance index. Therefore, we propose an estimation method of process …

The random variable X is used to represent the normal process containing two important
parameters—the process average and the process standard deviation. The variable is …