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Optimal maintenance policy for a system subject to damage in a discrete time process
Maintenance Cumulative damage Expected cost rate Operation period Renewal reward theory
2012/4/15
Consider a system operating over n discrete time periods (n=1, 2, …). Each operation period causes a random amount of damage to the system which accumulates over time periods. The system fails when th...
The effectiveness of DustBubbles on dust control in the process of concrete drilling
DustBubble Respirable dust Respirable silica dust Concrete drilling
2012/3/26
Construction dust is one of the most concerned pollutants presenting risks to human health. Dust generated from concrete drilling, particularly true for silica dust, have an adverse effect on the heal...
Fault diagnosis and comparing risk for the steel coil manufacturing process using statistical models for binary data
Generalized linear models Generalized additive models ROC curve Bootstrapping
2012/4/22
Advanced statistical models can help industry to design more economical and rational investment plans. Fault detection and diagnosis is an important problem in continuous hot dip galvanizing. Increasi...
An analytical formulation for the fatigue damage skewness relating to a narrowband process
Fatigue damage Uncertainty Skewness Narrowband process Linear oscillator
2012/4/26
In spectral fatigue analysis, the expected fatigue damage is customarily used to ascertain the design fatigue life. The uncertainty of the damage induced by the underlying stochastic process is typica...
Ergodicity of forward times of the renewal process in a block-based inspection model using the delay time concept
Forward time Delay time Inspection Limiting distribution Ergodic Markov chain
2012/4/16
The delay time concept and the techniques developed for modelling and optimising plant inspection practice have been reported in many papers and case studies. For a system subject to a few major failu...
Developing a new alternative risk assessment framework in the work sites by including a stochastic and a deterministic process: A case study for the Greek Public Electric Power Provider
Risk management Risk analysis Risk assessment Risk estimation Quantified risk evaluation Occupational accidents Quantitative risk assessment techniques Qualitative techniques Hybrid techniques Deterministic approach Stochastic approach Classic statistical approach Accident forecasting models
2012/4/14
An individual method cannot achieve the optimum risk-assessment result in the worksites, and future perspectives should focus on the parallel application of a deterministic approach with a stochastic ...