NonHomogeneousPoissonAgeReplacementPolicy

class relife.policies.NonHomogeneousPoissonAgeReplacementPolicy(process, cr, cp, discounting_rate=0.0)

Age replacement policy for non-Homogeneous Poisson process.

Parameters:

nhppnon-homogeneous Poisson process

The underlying non homogeneous poisson process.

crfloat or 1darray

The cost of repair.

cpfloat or 1darray

The cost of failure.

discounting_ratefloat, default is 0.

The discounting rate value used in the exponential discounting function

Attributes:

cp

cr

Methods

asymptotic_expected_equivalent_annual_cost
asymptotic_expected_net_present_value
expected_equivalent_annual_cost
expected_net_present_value
get_cp	Costs of preventive replacements.
get_cr	Costs of minimal repair.
get_optimal_ar	Optimize the policy according to the costs, the discounting rate and the underlying lifetime model.
set_cp
set_cr

get_cp()

Costs of preventive replacements.

Returns:

np.ndarray

get_cr()

Costs of minimal repair.

Returns:

np.ndarray

get_optimal_ar()

Optimize the policy according to the costs, the discounting rate and the underlying lifetime model.

Returns:

arfloat or np.ndarray

Optimal ages of replacements.