Stiction : a hidden menace.

• Main Author: Leo, Evelyn Wan Ling.
• Other Authors: Vinay Kumar Kariwala
• Format: Final Year Project
• Language: English
• Published: 2009
• Subjects: DRNTU::Engineering::Chemical engineering::Chemical processes
• Online Access: http://hdl.handle.net/10356/16503
• Institution: Nanyang Technological University

Valves are essential elements of a control loop. Their behavior determines the performance of control loops. A major cause of non-linearity in valves is stiction, which occurs due to overly tight packing surrounding the stems of valves. The presence of stiction causes abrupt valve movement and oscil...