The importance of evaluating valve conditions and detecting the onset of possible
malfunctions is recognized as a key issue in control performance monitoring, as they may …

The process control and automation system is one of the significant features in any process
plant. The control valve is considered a fundamental part of the process control system. It …

Control valves suffer from wear and aging as the valves open and close. Such continuous
movements result in many operational issues, and one of the widely known problems is …

Oscillation in control loops is a problem of high incidence, stiction in control valves being the
most frequent cause. In the last two decades, many automatic stiction detection methods …

The controller and the control valve are the workhorses of the process industry. The
profitability, the reduction in energy consumption and raw material usage along with the …

Valve stiction is indicated as one of the main problems affecting control loop performance
and then product quality. Therefore, it is important to detect this phenomenon as early as …

MONITORING, VERIFICATION, AND ASSESSMENT OF CONTROL VALVE STICTION AND
SUBSEA CO2 PIPELINE LEAKS A Dissertation Presented to Th Page 1 MONITORING …

발전소 설비 중 밸브의 고장 또는 오작동으로 인해스틱션 (Stiction), 데드밴드 (Deadband),
히스테리시스 (Hysterisis) 등 제어밸브의 비선형성이 발생되고 이는 제어 성능 저하를 …

This PhD work aims to develop an advanced monitoring and diagnostic system for industrial
process control loops. This study is based on techniques and algorithms which make use of …