NLPCA as a diagnostic tool for control valve stiction

• Main Authors: Zabiri, Haslinda, Marappagounder, Ramasamy
• Format: Citation Index Journal
• Published: Elsevier Ltd. 2009
• Subjects: TA Engineering (General). Civil engineering (General)
• Online Access: http://eprints.utp.edu.my/1469/1/NLPCA_as_a_diagnostic_tool_for_control_valve_stiction_JPC_2009.pdf; http://eprints.utp.edu.my/1469/

A significant number of control loops in process plants perform poorly due to control valve stiction. Developing a method to detect valve stiction in the early phase is imperative to avoid major disruptions to the plant operations. Nonlinear principal component analysis (NLPCA), widely known for i...