# US 2017/0283084 A1 · Sensor data processing for condition monitoring systems

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- Number: US 2017/0283084 A1
- Document ID: US20170283084A1
- Status: Published application
- Kind: A1
- Application number: 15/083,438
- Filed: 2016-03-29
- Published: 2017-10-05
- Earliest claimed: 2016-03-29
- Assignees: Simmonds Precision Products, Inc.
- Applicants: Simmonds Precision Products, Inc.
- Inventors: Travis Gang; Peter Carini; Richard Joseph Sopko
- Web page: https://patentgrep.com/patent/US20170283084A1

## CPC

- B64D 45/00: Aircraft indicators or protectors not otherwise provided for
- G01D 21/02: Measuring two or more variables by means not covered by a single other subclass
- G01P 3/00: Measuring linear or angular speed; Measuring differences of linear or angular speeds (G01P5/00 - G01P11/00 take precedence; {direction and speed indication G01P13/045}; counting mechanisms G06M)
- G01P 3/44: for measuring angular speed (G01P3/56 takes precedence)
- G01P 15/00: Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P 15/165: {for measuring angular accelerations}
- G07C 5/00: Registering or indicating the working of vehicles
- G07C 5/002: {Analysing tachograph charts (arrangements for graph-reading in general G06K11/00)}
- B64D 2045/0085: {Devices for aircraft health monitoring, e.g. monitoring flutter or vibration}
- H03M 1/12: Analogue/digital converters ({H03M1/001 – } H03M1/10 take precedence)
- B64D: EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- G01D: MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01P: MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT (measuring or recording blood flow A61B5/02, A61B8/06; monitoring speed or deceleration of electrically-propelled vehicles B60L3/00; vehicle lighting systems adapted to indicate speed B60Q1/54; determining position or course in navigation, measuring ground distance in geodesy or surveying G01C; combined measuring devices for measuring two or more variables of movement G01C23/00; measuring velocity of sound G01H; measuring velocity of light G01J7/00; measuring direction or velocity of solid objects by reception or emission of radiowaves or other waves and based on propagation effects, e.g. Doppler effect, propagation time, direction of propagation, G01S; measuring speed of nuclear radiation G01T; measuring acceleration of gravity G01V; {measuring or recording the speed of trains B61L23/00; speed indicators incorporated in motor vehicles B60K35/00; measuring frequency or phase G01R; traffic control G08G})
- G07C: TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- H03M: CODING; DECODING; CODE CONVERSION IN GENERAL (using fluidic means F15C4/00; optical analogue/digital converters G02F7/00; coding, decoding or code conversion, specially adapted for particular applications, see the relevant subclasses, e.g. G01D, G01R, G06F, G06T, G09G, G10L, G11B, G11C, H04B, H04L, H04M, H04N; ciphering or deciphering for cryptography or other purposes involving the need for secrecy G09C)

## Abstract

A sensor system and method includes first and second sensing elements, a digital sensors, a host computer and a digital bus. The first sensing element is configured to collect first sensor data and the second sensing element is configured to collect second sensor data. The digital sensor includes a controller that is configured to receive the first and second sensor data and process the first sensor data together with the second sensor data to generate processed data. The host computer is configured to receive the processed data from the digital sensor over the digital bus.

## Claims

### Claim 1

A method of processing sensor data, the method comprising:
obtaining, using a first sensing element, first sensor data;
obtaining, using a second sensing element, second sensor data;
obtaining, by a first digital sensor, the first sensor data;
obtaining, by the first digital sensor via a digital bus, received sensor data corresponding to the second sensor data;
processing, by a controller of the first digital sensor, the first sensor data and the received sensor data to generate processed data; and
providing the processed data to a host computer.

### Claim 2 (depends on 1)

The method of claim 1, wherein the first sensing element is connected to the first digital sensor and the second sensing element is an analog sensor, and wherein obtaining, using the second sensing element, the second sensor data comprises:
obtaining, using the analog sensor, analog data;
providing the analog data to the host computer; and
converting, using the host computer, the analog data into digital sensor data.

### Claim 3 (depends on 2)

The method of claim 2, further comprising:
compressing, using the host computer, the digital sensor data into compressed data; and
providing the compressed data as the received sensor data to the first digital sensor via the digital bus.

### Claim 4 (depends on 3)

The method of claim 3, wherein the analog sensor is a tachometer, and wherein the first digital sensor is an accelerometer.

### Claim 5 (depends on 1)

The method of claim 1, wherein the first sensing element is connected to the first digital sensor and the second sensing element is connected to a second digital sensor, and wherein obtaining, using the second sensing element, the second sensor data comprises obtaining, using the second digital sensor, digital sensor data.

### Claim 6 (depends on 5)

The method of claim 5, further comprising:
compressing the digital sensor data into compressed data; and
providing the compressed data to the first digital sensor as the received sensor data.

### Claim 7 (depends on 6)

The method of claim 6, wherein processing, by the controller of the first digital sensor, the first sensor data and the received sensor data to generate the processed data comprises:
processing, by a controller of the first digital sensor, the first sensor data and the compressed data to generate the processed data.

### Claim 8 (depends on 6)

The method of claim 6, wherein compressing the digital sensor data comprises:
providing, by the second digital sensor, the digital sensor data to the host; and
compressing, by the host, the second digital sensor data into the compressed data.

### Claim 9 (depends on 6)

The method of claim 6, wherein compressing the digital sensor data comprises:
compressing, by the second digital sensor, the digital sensor data into the compressed data.

### Claim 10

A sensor system comprising:
a first sensing element configured to collect first sensor data;
a second sensing element configured to collect second sensor data;
a host computer;
a first digital bus; and
a first digital sensor comprising a controller configured to obtain the first sensor data and received sensor data via the first digital bus, wherein the received sensor data corresponds to the second sensor data, and wherein the controller is configured to process the first sensor data and the received sensor data to generate processed data, and wherein the first digital sensor is configured to provide the processed data to the host computer via the first digital bus.

### Claim 11 (depends on 10)

The sensor system of claim 10, wherein the first sensing element is connected to provide the first sensor data to the first digital sensor, and wherein the second sensing element is an analog sensor.

### Claim 12 (depends on 11)

The sensor system of claim 11, wherein the analog sensor is connected to provide analog sensor data to the host computer, and wherein the host computer is configured to compress the analog sensor data into compressed data and provide the compressed data to the first digital sensor as the received sensor data.

### Claim 13 (depends on 10)

The sensor system of claim 10, wherein the first sensing element is connected to provide the first sensor data to the first digital sensor, and wherein the second sensing element is connected to provide the second sensor data to a second digital sensor.

### Claim 14 (depends on 13)

The sensor system of claim 13, wherein the second digital sensor is connected to provide the second sensor data to the host computer, and wherein the host computer is configured to compress the second sensor data into compressed data and provide the compressed data to the first digital sensor as the received sensor data.

### Claim 15 (depends on 13)

The sensor system of claim 13, wherein the second digital sensor is configured to compress the second sensor data into compressed data and provide the compressed data to the first digital sensor as the received sensor data.

### Claim 16 (depends on 15)

The sensor system of claim 15, wherein the second digital sensor is connected to provide the compressed data to the first digital sensor via the first digital bus.

### Claim 17 (depends on 15)

The sensor system of claim 15, further comprising a second digital bus, wherein the second digital sensor is configured to provide the compressed data to the host computer via the second digital bus, and wherein the host computer is configured to provide the compressed data to the first digital sensor via the first digital bus.

### Claim 18 (depends on 10)

The sensor system of claim 10, wherein the sensor system is an aircraft sensor system, and wherein the second sensing element is a tachometer configured to output revolution data of rotating machinery, and wherein the first sensing element is an accelerometer configured to output acceleration data.

### Claim 19 (depends on 18)

The sensor system of claim 18, wherein the controller of the first digital sensor is a field-programmable gate array (FPGA) and wherein the processed data is a time synchronous average (TSA) for the rotating machinery.