timmyfaraday / multistatesystems.jl

A Julia package to solve multi-state system models, often found in reliability engineering.

MultiStateSystems

Overview

MultiStateSystems.jl is a Julia package (v1.8+) to solve multi-state systems, often found in reliability engineering.

Installation

The latest stable release of MultiStateSystems can be installed using the Julia package manager:

] add MultiStateSystems

In order to test whether the package works, run:

] test MultiStateSystems

Acknowledgements

The primary developer is Tom Van Acker (@timmyfaraday), BASF, with support from the following contributors:

• Glenn Emmers (@glenn-sergej), KU Leuven, semi-Markov implementation, LVDC examples
• Gayan Abeynayake (@gayan86), Ørsted, Anholt wind farm example

License

This code is provided under a BSD license.

multistatesystems.jl's Issues

BoundsError: attempt to access 0-element Vector{Vector{Int64}} at index [1]

Dear, timmyfaraday
When I run @time solve!(ntw) in wind_farm_anholt.jl，there are some erros:
BoundsError: attempt to access 0-element Vector{Vector{Int64}} at index [1]

I don't know how to solve the problem, thank you very much.

Semi-Markov: Extension of the UGO to enable time-dependent probabilities

To Do:

• introduce a fixed time array for which a network should be solved: tsim and dt
• extend the UGO to enable arrays rather than numbers

Semi-Markov: Debugging and Clean-up semi_markov_process.jl

To Do:

• add and check numerical weights
• clean-up code similar to markov_process.jl
• validate implementation against two examples in Moura-paper

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Semi-Markov: Review distributions.jl file to enable semi-Markov processes

To Do:

• distribution structs should be adjusted to allow for anonymous functions
• pdf, cdf, ccdf should be extended to allow for calendar time input
• add LogNormal distribution