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US 11,999,511 B2Granted
Predictive part maintenance
AssigneeThe Boeing Company
InventorZhennong Wang
Life of this patent
Estimating the term…
Abstract
The present disclosure provides for predictive part maintenance by generating a reliability curve for an aircraft based on historic removals; setting a removal threshold on the reliability curve; tracking an installation of a given instance of the aircraft part into a given aircraft; tracking a number of cycles of the given instance of the aircraft part based on operations of the given aircraft in which the given instance of the aircraft part is installed; and in response to the number of cycles of the given instance of the aircraft part satisfying the removal threshold, transmitting a service alert to an operator of the given aircraft.
Claims25
A method, comprising:
- generating a reliability curve for a vehicle part by:
- collecting usage data regarding a plurality of instances of the vehicle part, wherein for each respective instance of the vehicle part of the plurality of instances of the vehicle part:
- the usage data for the respective instance are collected at a time of removal from a vehicle associated with the respective instance,
- the usage data indicate a number of cycles accumulated by the respective instance of the vehicle part at the time of removal from the associated vehicle, and
- the usage data indicate whether the respective instance of the vehicle part is in a faulted state at the time of removal from the associated vehicle;
- determining a percentage of instances of the vehicle part that are in the faulted state at a plurality of numbers of cycles;
- and
- fitting a probability distribution function that defines the reliability curve to the usage data based on the percentage of instances of the vehicle part that are in the faulted state for each of the plurality of numbers of cycles;
- setting a removal threshold on the reliability curve based on a number of cycles for historical removals of the vehicle part and a forecasted number of cycles for removal of the vehicle part;
- tracking an installation of a given instance of the vehicle part into a given vehicle;
- tracking a number of cycles of the given instance of the vehicle part based on operations of the given vehicle in which the given instance of the vehicle part is installed;
- and
- in response to the number of cycles of the given instance of the vehicle part satisfying the removal threshold, transmitting a service alert to an operator of the given vehicle.
10 more elements
A method, comprising:
- generating a reliability curve for a vehicle part by:
- collecting usage data regarding a plurality of instances of the vehicle part, wherein for each respective instance of the vehicle part of the plurality of instances of the vehicle part:
- the usage data for the respective instance are collected at a time of removal from a vehicle associated with the respective instance,
- the usage data indicate a number of travel hours accumulated by the respective instance of the vehicle part at the time of removal from the associated vehicle, and
- the usage data indicate whether the respective instance of the vehicle part is in a faulted state at the time of removal from the associated vehicle;
- determining a percentage of instances of the vehicle part that are in the faulted state at a plurality of numbers of travel hours;
- and
- fitting a probability distribution function that defines the reliability curve to the usage data based on the percentage of instances of the vehicle part that are in the faulted state for each of the plurality of numbers of travel hours;
- setting a removal threshold on the reliability curve based on a number of cycles for historical removals of the vehicle part and a forecasted number of cycles for removal of the vehicle part;
- tracking an installation of a given instance of the vehicle part into a given vehicle;
- tracking a number of travel hours of the given instance of the vehicle part based on operations of the given vehicle in which the given instance of the vehicle part is installed;
- and
- in response to the number of travel hours of the given instance of the vehicle part satisfying the removal threshold, transmitting a service alert to an operator of the given vehicle.
10 more elements
A system, comprising:
- a processor;
- and
- a memory storage device, including instructions that when performed by the processor enable the processor to perform an operation comprising:
- generating a reliability curve for a vehicle part;
- setting a removal threshold on the reliability curve based on a number of cycles for historical removals of the vehicle part and a forecasted number of cycles for removal of the vehicle part;
- tracking an installation of a given instance of the vehicle part into a given vehicle;
- tracking operations of the given instance of the vehicle part based on operations of the given vehicle in which the given instance of the vehicle part is installed;
- and
- in response to the operations of the given instance of the vehicle part satisfying the removal threshold, transmitting a service alert to the operator of the given vehicle.
6 more elements
Dependencies are inferred from the claim text.