# US 2014/0156166 A1 · Operations support systems and methods with acoustics evaluation and control

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- Number: US 2014/0156166 A1
- Document ID: US20140156166A1
- Status: Published application
- Kind: A1
- Application number: 13/690,765
- Filed: 2012-11-30
- Published: 2014-06-05
- Earliest claimed: 2012-11-30
- Assignees: Honeywell International Inc.
- Applicants: Honeywell International Inc.
- Inventors: Kevin Moeckly; Richard Ling; Chuck Royalty
- Web page: https://patentgrep.com/patent/US20140156166A1

## CPC

- F02D 45/00: Electrical control not provided for in groups F02D41/00 - F02D43/00
- G01M 15/12: by monitoring vibrations
- G16Z 99/00: Subject matter not provided for in other main groups of this subclass
- G05B 23/0221: {Preprocessing measurements, e.g. data collection rate adjustment; Standardization of measurements; Time series or signal analysis, e.g. frequency analysis or wavelets; Trustworthiness of measurements; Indexes therefor; Measurements using easily measured parameters to estimate parameters difficult to measure; Virtual sensor creation; De-noising; Sensor fusion; Unconventional preprocessing inherently present in specific fault detection methods like PCA-based methods}
- F02D: CONTROLLING COMBUSTION ENGINES (vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed B60K31/00; conjoint control of vehicle sub-units of different type or different function, road vehicle drive control systems for purposes other than the control of a single sub-unit B60W)
- G01M: TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G16Z: INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS, NOT OTHERWISE PROVIDED FOR
- G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables G05D; systems for regulating electric or magnetic variables G05F; control devices or systems insofar as characterised by mechanical features only G05G)

## Abstract

An operations support system is provided for an engine. The system includes a diagnostics module configured to receive engine data from the engine and to generate diagnostics data based on the engine data using a thermodynamic model, the thermodynamic model being based on component maps associated with the engine; an acoustics module coupled to the diagnostics module and comprising an acoustics calculation unit, the acoustics calculation unit configured to receive the diagnostics data and to determine an acoustics level for the engine based on the diagnostics data; and a graphical user interface coupled to the acoustics module and configured to display the acoustics level.

## Claims

### Claim 1

An operations support system for an engine, comprising:
a diagnostics module configured to receive engine data from the engine and to generate diagnostics data based on the engine data using a thermodynamic model, the thermodynamic model being based on component maps associated with the engine;
an acoustics module coupled to the diagnostics module and comprising an acoustics calculation unit, the acoustics calculation unit configured to receive the diagnostics data and to determine an acoustics level for the engine based on the diagnostics data; and
a graphical user interface coupled to the acoustics module and configured to display the acoustics level.

### Claim 2 (depends on 1)

The operations support system of claim 1, wherein the acoustics module further comprises a controller coupled to the acoustics calculation unit and configured to evaluate the acoustics level.

### Claim 3 (depends on 2)

The operations support system of claim 2, wherein the acoustics module further comprises a GPS unit coupled to the controller and configured to provide position information to the controller, the controller configured to evaluate the acoustics level based on the position information.

### Claim 4 (depends on 3)

The operations support system of claim 3, wherein the acoustics module further comprises an acoustics optimizer unit coupled to the controller, the acoustics optimizer unit configured to generate engine adjustments to decrease the acoustics level.

### Claim 5 (depends on 4)

The operations support system of claim 4, wherein the controller is configured to provide commands based on the engine adjustments from the acoustics optimizer unit.

### Claim 6 (depends on 5)

The operations support system of claim 5, wherein the controller is configured to determine a predetermined acoustics limit based on the position information.

### Claim 7 (depends on 6)

The operations support system of claim 6, wherein the acoustics optimizer unit is configured to generate the engine adjustments until the acoustics level is less than the predetermined acoustics limit.

### Claim 8 (depends on 1)

The operation support system of claim 1, wherein the acoustics calculation unit configured to continuously determine the acoustics level of the engine.

### Claim 9 (depends on 1)

The operations support system of claim 1, wherein the diagnostics module is further configured to generate scalars based on the engine data.

### Claim 10 (depends on 9)

The operations support system of claim 9, wherein the diagnostics module is further configured to adjust the thermodynamic model based on the scalars.

### Claim 11 (depends on 10)

The operations support system of claim 10, wherein the thermodynamic model is an engine-specific model.

### Claim 12 (depends on 11)

The operations support system of claim 11, wherein at least a portion of the scalars represent erosion within the engine.

### Claim 13

A method for supporting operations of an engine, comprising the steps of:
collecting engine data;
generating diagnostics data from the engine data using a thermodynamic model based on component maps associated with the engine;
calculating acoustics level from the diagnostics data; and
displaying the acoustics level on a graphical user display.

### Claim 14 (depends on 13)

The method of claim 13, further comprising the step of evaluating the acoustics level with a controller.

### Claim 15 (depends on 14)

The method of claim 14, further comprising the step of receiving position information, and wherein the evaluating step includes evaluating the acoustics level based on the position information.

### Claim 16 (depends on 15)

The method of claim 15, further comprising the step of generating engine adjustments to decrease the acoustics level.

### Claim 17 (depends on 16)

The method of claim 16, further comprising the step of adjusting engine operation based on the acoustics level.

### Claim 18 (depends on 17)

The method of claim 17, further comprising the step of determining a predetermined acoustics limit based on the position information.

### Claim 19 (depends on 18)

The method of claim 18, wherein the generating step includes generating the engine adjustments until the acoustics level is less than the predetermined acoustic limit.

### Claim 20 (depends on 13)

The method of claim 13, wherein the calculating step includes continuously calculating the acoustics level of the engine.