SYSTEM AND METHOD FOR DETERMINING A LUBRICANT DISCARD INTERVAL
First Claim
1. A processor-based system for predicting a lubricant drain interval in an engine based on a plurality of analysis parameter values measured in a plurality of samples of used engine lubricant taken from the engine over a period of time, the system comprising:
- a first input that receives the plurality of analysis parameter values and a plurality of historical analysis parameter values for the engine that are indicative of one or more characteristics of the used lubricant and stores the plurality of analysis parameter values and historical analysis parameter values in a memory of a processor;
a second input that receives an analysis parameter threshold value for the used lubricant at the end of a service interval and stores the analysis parameter threshold value in a memory of the processor;
a determiner determines a future analysis parameter value for determining the lubricant drain interval by performing modeling of the plurality of analysis parameter values and historical analysis parameter values, and comparing the future analysis parameter value to the analysis parameter threshold value to determine whether or not the future analysis parameter value exceeds (or is less than) the analysis parameter threshold value at the end of the service interval in order to provide an output indicating the lubricant discard (or drain) interval (LDI) in an engine, wherein the modeling performed by the determiner is selected from a partial least squares regression model and a neural network model.
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Abstract
A system, a method and a computer program to determine the usability of a lubricant such as, e.g., engine oil, and when to replace the lubricant in a particular engine. The system, method, and computer program are further configured to generate a lubricant discard interval for each engine in, e.g., a company'"'"'s fleet of vehicles. The system, method, and computer program are configured to generate lubricant discard interval schedule for each of the vehicles in the company'"'"'s fleet based on the lubricant discard intervals.
31 Citations
12 Claims
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1. A processor-based system for predicting a lubricant drain interval in an engine based on a plurality of analysis parameter values measured in a plurality of samples of used engine lubricant taken from the engine over a period of time, the system comprising:
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a first input that receives the plurality of analysis parameter values and a plurality of historical analysis parameter values for the engine that are indicative of one or more characteristics of the used lubricant and stores the plurality of analysis parameter values and historical analysis parameter values in a memory of a processor; a second input that receives an analysis parameter threshold value for the used lubricant at the end of a service interval and stores the analysis parameter threshold value in a memory of the processor; a determiner determines a future analysis parameter value for determining the lubricant drain interval by performing modeling of the plurality of analysis parameter values and historical analysis parameter values, and comparing the future analysis parameter value to the analysis parameter threshold value to determine whether or not the future analysis parameter value exceeds (or is less than) the analysis parameter threshold value at the end of the service interval in order to provide an output indicating the lubricant discard (or drain) interval (LDI) in an engine, wherein the modeling performed by the determiner is selected from a partial least squares regression model and a neural network model. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A processor-based method for predicting a lubricant drain interval in an engine based on a plurality of analysis parameter values measured in a sample of used engine lubricant taken from the engine, the method comprising:
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receiving at a first input the plurality of analysis parameter values and a plurality of historical analysis parameter values for the engine that are indicative of one or more characteristics of the used lubricant and storing the plurality of analysis parameter values and historical analysis parameter values in a memory of a processor; receiving at a second input an analysis parameter threshold value for the used lubricant at the end of a service interval and storing the analysis parameter threshold value in the memory of the processor; and using the processor (a) to determine a future analysis parameter value for the used lubricant by performing modeling of the plurality of analysis parameter values and historical analysis parameter value;
(b) to compare the future analysis parameter value and the analysis parameter threshold value to determine whether the future analysis parameter value exceeds (or is less than) the analysis parameter threshold value at the end of the service interval; and
(c) to provide an output indicating the lubricant discard (or drain) interval (LDI), wherein the modeling performed by the determiner is selected from a partial least squares regression model and a neural network model. - View Dependent Claims (11, 12)
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Specification