System and method for product deployment and in-service product risk simulation
Methods and systems are provided for predicting the reliability of a plurality of products that will be deployed during a product deployment period comprising a plurality of time intervals. The method comprises retrieving historical product removal data from a product removal data source, retrieving historical product shipment data from a product shipment data source, identifying a plurality of Weibull parameters based on at least a portion of retrieved product removal data and product shipment data, and performing a plurality of product deployment simulations, wherein each product deployment simulation includes predicting a lifespan for each of the plurality of products and determining reliability metrics for uniform time intervals during the product deployment period.
1. A product deployment and in-service product risk simulation system for predicting the reliability of a plurality of products that will be deployed during a product deployment period, the system comprising:
a product removal data source comprising historical product removal data;
a product shipment data source comprising historical product shipment data; and
a processor coupled to the product removal data source and the product shipment data source, the processor configured to:
retrieve historical product removal data from the product removal data source;
retrieve historical product shipment data from the product shipment data source;
identify a shape parameter and a scale parameter by performing a Weibull analysis on the retrieved historical product removal data and historical product shipment data; and
perform a plurality of product deployment simulations:
a) predicting a product lifespan for each of the plurality of products, each product lifespan comprising a random failure time that is selected based on values of the shape parameter and the scale parameter;
b) determining a total number of operational hours for all deployed products for uniform time intervals of a product deployment period;
c) determining a total number of product failures for the uniform time intervals of the product deployment period;
d) utilizing a selected base algorithm to determine a product reliability metric for the uniform time intervals of the product deployment period based on the total number of operational hours and the total number of product failures; and
e) repeating a) through d) a plurality of times.
2. The system of claim 1 , wherein the processor is further configured to determine a Mean Time to Failure based on the shape parameter and the scale parameter.
3. The system of claim 2 , wherein the selected base algorithm is a mean time between failure (MTBX) algorithm.
4. The system of claim 3 , wherein the MTBX algorithm comprises an instantaneous MTBX (iMTBX) algorithm.
5. The system of claim 3 , wherein the MTBX algorithm comprises a moving months variant of the MTBX algorithm.
6. The system of claim 3 , wherein the MTBX algorithm comprises a cumulative variant of the MTBX algorithm.
7. The system of claim 3 , wherein the processor is further configured to generate at least one MTBX Chart based on the reliability metrics.
8. The system of claim 7 , wherein the at least one MTBX Chart comprises:
an MTBX Chart showing the average value of the reliability metrics for each time interval; and
a percentage MTBX Chart showing, for each time interval, the percentage of reliability metrics that were below a selected reliability target.
9. The system of claim 7 , wherein the at least one MTBX Chart comprise:
an MTBX Chart showing the percentile value of the reliability metrics for each time interval; and
a percentage MTBX Chart showing, for each time interval, the percentage of reliability metrics that were below a selected reliability target.