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This paper presents an alternative computational method for on‐line estimation and tracking of the impedance of PEM fuel cell systems. The method is developed in order to provide the information to diagnostics and health management system. Proper water management remains the main issue influencing the reliability and durability of PEM fuel cell technology. While literature reviews reveal the thorough...
Forecasting the condition of the equipment is becoming an important ingredient of the advanced maintenance and asset management systems. In this paper a probabilistic approach to the prognosis of damage progression in gearboxes is presented. It is based on a stochastic nonlinear grey-box model of the underlying wear phenomena. Model parameters are estimated from the available vibration records by...
The synthesis of plant-wide control structures is recognized as one of the most important production- management design problems in the process industries. This article proposes a decision support system, utilizing key performance indicators (pPIs) as a possible solution to simplify this problem. pPIs represent the translation of operating objectives, such as the minimization of production costs,...
Quantitative evaluation of thermal protective garments to fire exposure represents an important step in the design of clothing for hazardous environments. In this paper an automated system for testing the garments under flash fire is presented. The system is built around a mannequin equipped with an array of thermocouples, which provide information about the distribution of temperatures on the mannequin...
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