Back to results
US 8,751,413 B2Granted
Fuzzy logic based system monitoring system and method
AssigneeGeneral Electric Company
InventorsRoopesh Bhaskaran Nagathil, Dalero Winston Berkeley, David Lynn Linkenauger, Jason Fredrick Nichols
Life of this patent
Estimating the term…
Abstract
A bearing monitoring system includes at least one sensor, and a fuzzy logic enabled device operatively connected to the at least one sensor. The fuzzy logic enabled device includes a fuzzy logic rule set that is configured and disposed to determine a component condition based on an input from the at least one sensor.
Claims31
A monitoring system comprising:
- at least one sensor;
- and
- a fuzzy logic enabled device operatively connected to the at least one sensor, the fuzzy logic enabled device including a fuzzy logic rule set, presented in the following table,
- Rule Set for Bearing Health Monitoring
- Temperature
- Overload
- Vibration
- Failure
- Low
- Low
- Low
- Low
- Low
- Low
- Medium
- Medium
- Low
- Low
- High
- High
- Low
- Medium
- Low
- Medium
- Low
- Medium
- Medium
- Medium
- Low
- Medium
- High
- High
- Low
- High
- Low
- High
- Low
- High
- Medium
- High
- Low
- High
- High
- High
- Medium
- Low
- Low
- Medium
- Medium
- Low
- Medium
- Medium
- Medium
- Low
- High
- High
- Medium
- Medium
- Low
- Medium
- Medium
- Medium
- Medium
- Medium
- Medium
- Medium
- High
- High
- Medium
- High
- Low
- High
- Medium
- High
- Medium
- High
- Medium
- High
- High
- High
- High
- Low
- Low
- High
- High
- Low
- Medium
- High
- High
- Low
- High
- High
- High
- Medium
- Low
- High
- High
- Medium
- Medium
- High
- High
- Medium
- High
- High
- High
- High
- Low
- High
- High
- High
- Medium
- High
- High
- High
- High
- Imminent
- that is configured and disposed to determine a component condition based on an input from the at least one sensor.
114 more elements
A method of monitoring component condition using a set of fuzzy logic rules, the method comprising:
- sensing at least one parameter of a component;
- passing the at least one parameter of the component to a fuzzy logic enabled device;
- applying the set of fuzzy logic rules, set forth in following table,
- Rule Set for Bearing Health Monitoring
- Temperature
- Overload
- Vibration
- Failure
- Low
- Low
- Low
- Low
- Low
- Low
- Medium
- Medium
- Low
- Low
- High
- High
- Low
- Medium
- Low
- Medium
- Low
- Medium
- Medium
- Medium
- Low
- Medium
- High
- High
- Low
- High
- Low
- High
- Low
- High
- Medium
- High
- Low
- High
- High
- High
- Medium
- Low
- Low
- Medium
- Medium
- Low
- Medium
- Medium
- Medium
- Low
- High
- High
- Medium
- Medium
- Low
- Medium
- Medium
- Medium
- Medium
- Medium
- Medium
- Medium
- High
- High
- Medium
- High
- Low
- High
- Medium
- High
- Medium
- High
- Medium
- High
- High
- High
- High
- Low
- Low
- High
- High
- Low
- Medium
- High
- High
- Low
- High
- High
- High
- Medium
- Low
- High
- High
- Medium
- Medium
- High
- High
- Medium
- High
- High
- High
- High
- Low
- High
- High
- High
- Medium
- High
- High
- High
- High
- Imminent
- to the at least one parameter of the component;
- and
- determining a component condition based on the at least one component parameter.
116 more elements
A motor system comprising:
- a rotating shaft including a first end portion that extends to a second end portion through an intermediate portion;
- a first bearing arranged at the first end portion of the shaft, and a second bearing arranged at the second end portion of the shaft;
- and
- a bearing monitoring system operatively coupled to one of the first and second bearings, the bearing monitoring system including:
- at least one sensor;
- and
- a fuzzy logic enabled device operatively connected to the at least one sensor, the fuzzy logic enabled device including a fuzzy logic rule set, presented in Table 1,
- TABLE 1
- Rule Set for Bearing Health Monitoring
- Temperature
- Overload
- Vibration
- Failure
- Low
- Low
- Low
- Low
- Low
- Low
- Medium
- Medium
- Low
- Low
- High
- High
- Low
- Medium
- Low
- Medium
- Low
- Medium
- Medium
- Medium
- Low
- Medium
- High
- High
- Low
- High
- Low
- High
- Low
- High
- Medium
- High
- Low
- High
- High
- High
- Medium
- Low
- Low
- Medium
- Medium
- Low
- Medium
- Medium
- Medium
- Low
- High
- High
- Medium
- Medium
- Low
- Medium
- Medium
- Medium
- Medium
- Medium
- Medium
- Medium
- High
- High
- Medium
- High
- Low
- High
- Medium
- High
- Medium
- High
- Medium
- High
- High
- High
- High
- Low
- Low
- High
- High
- Low
- Medium
- High
- High
- Low
- High
- High
- High
- Medium
- Low
- High
- High
- Medium
- Medium
- High
- High
- Medium
- High
- High
- High
- High
- Low
- High
- High
- High
- Medium
- High
- High
- High
- High
- Imminent
- that is configured and disposed to determine a condition of at least one of the first and second bearing based on an input from the at least one sensor.
119 more elements
Dependencies are inferred from the claim text.