# US 2019/0376408 A1 · Method for Operating a Turbo Machine

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- Number: US 2019/0376408 A1
- Document ID: US20190376408A1
- Status: Published application
- Kind: A1
- Application number: 16/001,369
- Filed: 2018-06-06
- Published: 2019-12-12
- Earliest claimed: 2018-06-06
- Assignees: General Electric Company
- Applicants: General Electric Company
- Inventors: Sridhar Adibhatla; John Thomas Herbon
- Web page: https://patentgrep.com/patent/US20190376408A1

## CPC

- F01D 17/085: {to temperature}
- F01D 21/003: {Arrangements for testing or measuring (for measuring vibrations G01H)}
- F01D 17/04: responsive to load
- F01D 17/06: responsive to speed
- F05D 2260/80: Diagnostics
- F05D 2260/81: Modelling or simulation
- F05D 2260/82: Forecasts
- F05D 2260/821: Parameter estimation or prediction
- F05D 2270/11: to prolong engine life
- F05D 2270/50: Control logic embodiments
- F05D 2270/80: Devices generating input signals, e.g. transducers, sensors, cameras or strain gauges
- F01D: NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES (machines or engines for liquids F03; non-positive displacement pumps F04D)
- F05D: INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS

## Abstract

A system and method for determining performance of a turbine engine, and operation thereof. The system and method includes a plurality of sensors and one or more computing devices executing operations including acquiring a plurality of parameter sets each corresponding to a plurality of engine conditions in which each parameter set corresponding to each engine condition indicates a health condition at a plurality of locations at the engine; comparing the plurality of parameter sets to determine a health condition corresponding to a location at the engine; and generating a health condition prediction at the engine based on the compared parameters.

## Claims

### Claim 1

A system for determining performance of a turbine engine, the system comprising a plurality of sensors and one or more computing devices configured to perform operations, the operations comprising:
acquiring, via a plurality of sensors, a plurality of parameter sets each corresponding to a plurality of engine conditions, in which each parameter set corresponding to each engine condition indicates a health condition at a plurality of locations at the engine;
comparing, via the computing device, the plurality of parameter sets to determine a health condition corresponding to a location at the engine; and
generating, via the computing device, a health condition prediction at the engine based on the compared parameters.

### Claim 2 (depends on 1)

The system of claim 1, the operations further comprising:
acquiring, via a first sensor, a first parameter set based on a first engine operating condition indicating a health condition at a first location of the engine; and
acquiring, via the first sensor, a second parameter set based on a second engine operating condition indicating a health condition at a second location different from the first location.

### Claim 3 (depends on 2)

The system of claim 2, the operations further comprising:
acquiring, via a second sensor, a third parameter set based on the first engine operating condition indicating a health condition at the second location; and
acquiring, via the second sensor, a fourth parameter set based on the second engine operating condition indicating a health condition at the first location.

### Claim 4 (depends on 3)

The system of claim 3, the operations further comprising:
comparing, via the computing device, the first parameter set, the second parameter set, the third parameter set, and the fourth parameter set to determine a health condition corresponding to a location at the engine.

### Claim 5 (depends on 4)

The system of claim 4, the operations further comprising:
comparing the parameter sets to determine the health condition at the first location; and
comparing the parameter sets to determine the health condition at the second location.

### Claim 6 (depends on 4)

The system of claim 4, the operations further comprising:
comparing the first parameter set and the fourth parameter set to determine the health condition at the first location.

### Claim 7 (depends on 4)

The system of claim 4, the operations further comprising:
comparing the second parameter set and the third parameter set to determine the health condition at the second location.

### Claim 8 (depends on 1)

The system of claim 1, the operations further comprising:
determining, via the computing device, one or more locations of a health deterioration contributor via the compared parameter sets.

### Claim 9 (depends on 1)

The system of claim 1, the operations further comprising:
generating, via the computing device, a signal to an operator of the engine indicating an action item for the user/operator to perform.

### Claim 10 (depends on 9)

The system of claim 9, the operations further comprising:
transmitting, via the computing device, the signal indicating an engine manoeuver.

### Claim 11 (depends on 9)

The system of claim 9, the operations further comprising:
transmitting, via the computing device, the signal indicating a maintenance action.

### Claim 12 (depends on 9)

The system of claim 9, the operations further comprising:
transmitting, via the computing device, the signal indicating an operating limit.

### Claim 13 (depends on 1)

The system of claim 1, the operations further comprising:
operating the engine at a plurality of engine operating condition to generate a quantity of engine operating conditions at a plurality of different operating conditions.

### Claim 14

A method for operating an engine based on a health deterioration condition, the method comprising:
acquiring a plurality of parameter sets each corresponding to a plurality of engine conditions, in which each parameter set corresponding to each engine condition indicates a health condition at a plurality of locations at the engine;
comparing the plurality of parameter sets to determine a health condition corresponding to a location at the engine; and
generating a health condition prediction at the engine based on the compared parameters.

### Claim 15 (depends on 14)

The method of claim 14, the method further comprising:
determining one or more locations of a health deterioration contributor via the compared parameter sets.

### Claim 16 (depends on 14)

The method of claim 14, the method further comprising:
generating a signal to an operator of the engine indicating an action item for a user to perform.

### Claim 17 (depends on 16)

The method of claim 16, the method further comprising:
transmitting the signal indicating an engine manoeuver.

### Claim 18 (depends on 16)

The method of claim 16, the method further comprising:
transmitting the signal indicating a maintenance action.

### Claim 19 (depends on 16)

The method of claim 16, the method further comprising:
transmitting the signal indicating an operating limit.

### Claim 20 (depends on 14)

The method of claim 14, the method further comprising:
operating the engine at a plurality of engine operating condition to generate a quantity of engine operating conditions at a plurality of different operating conditions.
