This work concerns the applicability of agent technology concepts to the design of a plant fault-tolerant control system.
Human error accounts for majority of plant faults, so discussions would not be complete without knowledge of human reliability analysis.
In the control of complex dynamic plants, fault detection and isolation (FDI) is a prerequisite for a fault tolerant control architecture.
Both systems are part of a supervisory module which is responsible for handling plant incidences (faults and disturbances) by taking the appropriate corrective actions.
A neural network is trained to recognize the input-output behavior of a nonlinear plant, and faults are detected if the output estimated by the network differs from the measured plant output by more than a specified threshold value.
I do, however think we need collaboration to prevent disasters that we humans cause, such as nuclear accidents because we built power plants on fault lines.
The proposed control scheme consists of two main subsystems: a controller, which is designed for the nominal plant, and a fault detection and diagnosis module, which provides fault estimation.
To achieve robustness we propose a TS fuzzy observers combined with sliding mode that deals with unmeasurable premise variables, bounded uncertainties in the plant and allows fault estimation based on an equivalent output error injection approach.
Security of supply may therefore be considered in terms of the effect of this loss of plant arising from fault conditions or from outages due to maintenance.
Fault diagnosis is accomplished by means of a bank of estimators, which provide estimates of parameters that describe actuator, plant, and sensor faults.
"There are an increasing number of cases that can be characterized as 'not in my backyard.' " According to Chinese news reports, the Zhejiang solar-panel plant had been faulted for improper waste disposal in April, and the government had ordered the company to suspend production until it constructed a facility to store solid waste safely.
