Level Crossing Probabilities for Cyclostationary Processes with Two Frequencies in Marine Diesel Engine Shafting Systems 950731
A solution is proposed to the upcrossing problem for a stress of a special form encountered in probabilistic torsional vibration analysis of marine Diesel engine shafting systems. For the case that two engine criticals occur at the same engine speed, the stress is modeled as a cyclostationary random process with two frequencies. An equivalent stationary process is defined, requiring that its envelope process has the same upcrossing rate as the envelope of the original cyclostationary random process. It is assumed that both processes have the same probability of upcrossing a specific threshold in a given time interval. Numerical implementation shows the applicability and efficiency of the method.
Citation: Lyridis, D., Perakis, A., and Parsons, M., "Level Crossing Probabilities for Cyclostationary Processes with Two Frequencies in Marine Diesel Engine Shafting Systems," SAE Technical Paper 950731, 1995, https://doi.org/10.4271/950731. Download Citation
Dimitrios V. Lyridis, Anastassios N. Perakis, Michael G. Parsons
University of Michigan
International Congress & Exposition
SAE 1995 Transactions: Journal of Engines-V104-3