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 …

Considering true values cannot be available at every time step in an online learning
algorithm for multi-step-ahead (MSA) forecasts, a MSA reinforced real-time recurrent …

A non-invasive method for detecting valves suffering from stiction using multi-layer feed-
forward neural networks (NN) is proposed, via a simple class-based diagnosis. The …

Control valve stiction is a long-standing problem within process industries. In most methods
for shape-based stiction detection, they rely heavily on the traditional controller output (OP) …

Oscillation is a frequent type of control performance degradation. Usually, multiple
oscillations simultaneously propagate through coupled control loops, bringing challenges to …

A common source of poor control performance in industrial processes is represented by
stiction in control valves, which often induces offset, oscillating behavior, and even loss of …

Oscillatory control loop is a frequent problem in process industries. Its incidence highly
degrades the plant profitability, which means oscillation detection and removal is …

Valve stiction is one of the most important failure modes of valve, which may make the
control loops suffered from severe performance degradation. Therefore, valve failure …

Valve stiction is often a common problem in control loops and stiction induced oscillation is
the main cause of poor performance in control systems. Cascade control is extensively …