METHOD AND SYSTEM FOR IMPROVING PARAMETER MEASUREMENT
First Claim
1. A measurement system comprising:
- a first sensor comprising a first output signal comprising a plurality of output characteristics, at least one output characteristic of said plurality of output characteristics being deficient for measuring a desired parameter and at least one output characteristic being suitable for measuring the desired parameter;
a second sensor comprising a second output signal comprising at least some of the plurality of output characteristics of said first output signal, the at least one deficient characteristic of said first output signal being suitable in said second output signal for measuring the desired parameter; and
a processor communicatively coupled to a memory device, said processor programmed to calibrate said first output signal of said first sensor using said second output signal of said second sensor to generate a third output signal comprising the at least one suitable characteristic of said first output signal and the at least one suitable characteristic of said second output signal.
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Accused Products
Abstract
Parameter measurement systems including improved sensor calibration are provided herein. The measurement system includes a first sensor with a first output signal including a plurality of output characteristics, at least one output characteristic being deficient for measuring a desired parameter and at least one output characteristic being suitable for measuring the desired parameter. The measurement system also includes a second sensor with a second output signal comprising at least some of the plurality of output characteristics, the at least one deficient characteristic of the first output signal being suitable in the second output signal for measuring the desired parameter. The measurement system further includes a processor programmed to calibrate the first output signal using the second output signal to generate a third output signal including the at least one suitable characteristic of the first output signal and the at least one suitable characteristic of the second output signal.
14 Citations
20 Claims
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1. A measurement system comprising:
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a first sensor comprising a first output signal comprising a plurality of output characteristics, at least one output characteristic of said plurality of output characteristics being deficient for measuring a desired parameter and at least one output characteristic being suitable for measuring the desired parameter; a second sensor comprising a second output signal comprising at least some of the plurality of output characteristics of said first output signal, the at least one deficient characteristic of said first output signal being suitable in said second output signal for measuring the desired parameter; and a processor communicatively coupled to a memory device, said processor programmed to calibrate said first output signal of said first sensor using said second output signal of said second sensor to generate a third output signal comprising the at least one suitable characteristic of said first output signal and the at least one suitable characteristic of said second output signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for improving sensor accuracy comprising:
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receiving a first output signal from a first sensor configured to measure a first parameter, the first output signal characterized as having a relatively high accuracy and a relatively low bandwidth; receiving a second output signal from a second sensor configured to measure the first parameter, the second output signal characterized as having a relatively high bandwidth and a relatively low accuracy; calibrating the second output signal from the second sensor using the first output signal from the first sensor; and generating a third output signal using the calibrated second output signal, the third output signal characterized as having a relatively high accuracy and a relatively high bandwidth for the first parameter. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A turbofan engine comprising:
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a core engine including a multistage compressor; a fan powered by a power turbine driven by gas generated in said core engine; a fan bypass duct at least partially surrounding said core engine and said fan; and a flow measurement and control (FMC) system comprising; a first sensor comprising a first output signal comprising a plurality of output characteristics, at least one output characteristic of said plurality of output characteristics being deficient for measuring a desired parameter and at least one output characteristic being suitable for measuring the desired parameter; a second sensor comprising a second output signal comprising at least some of said plurality of output characteristics of said first output signal, the at least one deficient characteristic of said first sensor being suitable in said second sensor for measuring the desired parameter; and a controller configured to control actuation of a fuel meter valve (FMV) to control flow of fuel to said core engine, said controller comprising a processor communicatively coupled to a memory device, said processor programmed to calibrate said first output signal of said first sensor using said second output signal of said second sensor to generate a third output signal comprising the at least one suitable characteristic of said first output signal and the at least one suitable characteristic of said second output signal. - View Dependent Claims (17, 18, 19, 20)
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Specification