# US 2013/0159786 A1 · System and method to assess serviceability of device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0159786 A1 - Document ID: US20130159786A1 - Status: Published application - Kind: A1 - Application number: 13/327,004 - Filed: 2011-12-15 - Published: 2013-06-20 - Earliest claimed: 2011-12-15 - Assignees: General Electric Company - Inventors: Sridhar Nuthi - Web page: https://patentgrep.com/patent/US20130159786A1 ## CPC - G06F 11/008: {Reliability or availability analysis} - G06F 11/3409: {for performance assessment} - G06F 2201/81: Threshold - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A system and method to assess a serviceability of a machine having a field replaceable unit (FRU) is provided. A controller can perform the steps of tracking performance parameters of the machine; calculating and comparing a performance index; generating requests for service of the FRU of the machine based on the performance index, the requests for service not including replacement of the FRU; detecting completion of a events to service the FRU of the machine; calculating an asset healability index representative of a trend in the performance index over time between each of the events to service the FRU; and generating a request for replacement of the FRU instead of another request to service the FRU based on a comparison of the asset healability index relative to a second predetermined threshold. ## Claims ### Claim 1 A system to assess a serviceability of a machine having a field replaceable unit (FRU), the system comprising: a controller having a processor in communication to execute computer readable program instructions stored in a non-transitory medium, the program instructions representative of the steps of: tracking the performance parameter of the machine over time; calculating a performance index representative of a comparison of the measure of the performance parameter relative to a first predetermined threshold; generating a plurality of requests for service of the FRU of the machine based on the performance index, the plurality of requests for service not including replacement of the FRU; detecting completion of a plurality of events to service the FRU of the machine in response to the plurality of requests for service; calculating an asset healability index representative of a trend in the performance index over time between each of the events to service the FRU of the machine; and generating a request for replacement of the FRU of the machine instead of another request to service the FRU on the machine based on a comparison of the asset healability index relative to a second predetermined threshold. ### Claim 2 (depends on 1) The system of claim 1, wherein the plurality of events to service the FRU on the machine are predictive prior to a failure of the machine. ### Claim 3 (depends on 1) The system of claim 1, wherein the database receives the performance index over time between each of the events to service the FRU of the machine communicated from the controller. ### Claim 4 (depends on 1) The system of claim 1, further comprising a FRU server connected in communication with the controller, wherein the computer readable program instructions are further representative of the steps of: Automatically communicating an instruction to change in an inventory level of the FRU based on the trend of the asset healability index relative to the threshold. ### Claim 5 (depends on 1) The system of claim 1, wherein the first predetermined threshold of the performance index is based on a historic data of the machine stored in database connected in communication with the controller. ### Claim 6 (depends on 1) The system of claim 1, wherein the performance parameter consists of one of the group comprising: a temperature reading, an amperage reading, a power reading, a pressure reading, a stress reading, and a vibration reading. ### Claim 7 (depends on 1) The system of claim 1, wherein each of the requests to service the FRU includes a first identified problem and a first proposed solutions acquired from a database based on the trend in the performance index over time, the database connected in communication with the controller. ### Claim 8 (depends on 1) The system of claim 1, wherein the trend in the asset healability index is calculated from an algorithm including a comparison of a period of time between each of the plurality of events to service the FRU on the machine without replacing the FRU. ### Claim 9 (depends on 1) The system of claim 1, further comprising a remote connectivity module operable to selectively connect communication of the controller with the machine, and wherein the computer readable program instructions are further representative of the step of: instructing the connection module to establish communication of the controller to receive a measure of a performance parameter of the machine. ### Claim 10 (depends on 1) The system of claim 1, wherein calculating the trend in the asset healability index includes calculating a change in slope of the asset healability index over time, and wherein a substantially zero slope of the trend in the asset healability index is indicative of a 100 percent effectiveness of an event to service the FRU on the machine to a substantially original condition. ### Claim 11 A method to assess a serviceability of a machine, the method comprising the steps of: establishing a connection from a remote workstation to selectively communicate via a server over a network with the machine; tracking the performance parameter of the machine over time; calculating a performance index representative of a comparison of the measure of the performance parameter relative to a first predetermined threshold; generating a plurality of requests for service of a FRU of the machine based on the performance index, the plurality of requests for service not including replacement of the FRU; detecting completion of a plurality of events to service the FRU of the machine in response to the plurality of requests for service; calculating an asset healability index representative of a trend in the performance index over time between each of the events to service the FRU of the machine; and generating a request for replacement of the FRU of the machine instead of another request to service the FRU on the machine based on a comparison of the asset healability index relative to a second predetermined threshold. ### Claim 12 (depends on 11) The method of claim 11, wherein the plurality of events to service the FRU on the machine are predictive prior to a failure of the machine. ### Claim 13 (depends on 11) The method of claim 11, further comprising the step of a database receiving the performance index over time between each of the events to service the FRU of the machine communicated from the remote workstation. ### Claim 14 (depends on 11) The method of claim 11, further comprising the steps of: connecting an interface in communication between the remote workstation and a FRU server; and instructing a change in an inventory level of the FRU based on the trend of the asset healability index relative to the threshold. ### Claim 15 (depends on 11) The method of claim 11, wherein the first predetermined threshold of the performance index is based on a historic data of the machine stored in database connected in communication with the remote workstation. ### Claim 16 (depends on 11) The method of claim 11, wherein the performance parameter consists of one of the group comprising: a temperature reading, an amperage reading, a power reading, a pressure reading, a stress reading, and a vibration reading. ### Claim 17 (depends on 11) The method of claim 11, wherein each of the service requests includes a first identified problem and a first proposed solution acquired from a database based on the trend in the performance index over time, the database connected in communication with the remote workstation. ### Claim 18 (depends on 11) The method of claim 11, wherein calculating the trend in the asset healability index includes calculating form a weighted average algorithm including comparing a period of time between each of the plurality of events to service the FRU on the machine without replacing the FRU. ### Claim 19 (depends on 11) The method of claim 11, further comprising the step of connecting a connection module between the remote workstation and the server, and instructing the connection module to establish communication of the remote workstation via the server to acquire a measure of a performance parameter of the machine. ### Claim 20 (depends on 11) The method of claim 11, wherein the step of calculating the trend in the asset healability index includes calculating a change in slope of the asset healability index over time, and wherein a substantially zero slope of the trend in the asset healability index is indicative of an effective event to service the FRU on the machine to a substantially original condition.