To comply with the global market demands on both quality and efficiency in the manufacturing industry, this book presents the work on developing an intelligent on-line monitoring system for sheet metal stamping processes. It focuses on solving three major questions: (1)how to effectively measure and select the features from the appropriate sensor signals; (2)how to define an effective and efficient learning algorithm to acquire the knowledge from the limited training samples; and (3) how to generate an accurate and simple criterion of the decision making for on-line application....