Clipped sensor data estimator
First Claim
Patent Images
1. A method of estimating values outside of sensor limits comprising the steps of:
- a. determining an actual slope from measured data values indicative of vehicle operation within sensor limits;
b. determining an estimated slope based on the actual slope;
c. estimating data values outside of the sensor limit based on the estimated slope, wherein the estimated slope is determined as a percentage of the actual slope that is less than 100% of the actual slope and the estimated data values are determined until an actual measured data value fails within sensor limits,d. indicating a first condition in response to the measured data value being within a first range within the sensor limits;
e. indicating a second condition in response to the estimated data value being within a second range outside of the sensor limits; and
f. transmitting a signal indicative of one of the first and second conditions for use by a system.
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Abstract
A method of estimating values beyond sensor limits accurately and simply includes the initial step of determining an actual slope utilizing measured data. An estimated slope is then determined as a percentage of the actual slope to provide an estimation of data values outside of the sensor limits until measured values return to within sensor limits. The estimation method according to this invention increases sensor range without sacrificing resolution with a desired accuracy.
14 Citations
10 Claims
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1. A method of estimating values outside of sensor limits comprising the steps of:
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a. determining an actual slope from measured data values indicative of vehicle operation within sensor limits; b. determining an estimated slope based on the actual slope; c. estimating data values outside of the sensor limit based on the estimated slope, wherein the estimated slope is determined as a percentage of the actual slope that is less than 100% of the actual slope and the estimated data values are determined until an actual measured data value fails within sensor limits, d. indicating a first condition in response to the measured data value being within a first range within the sensor limits; e. indicating a second condition in response to the estimated data value being within a second range outside of the sensor limits; and f. transmitting a signal indicative of one of the first and second conditions for use by a system. - View Dependent Claims (2, 3, 4, 5)
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6. A method of obtaining data beyond sensor limits comprising the steps of:
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a. determining an actual slope from measured data values indicative of vehicle operation within sensor limits; b. determining an estimated slope based on the actual slope, wherein the estimated slope is a percentage of the actual slope that is less than the 100% of the actual slope; c. estimating data values outside of the sensor limit responsive to the measured data values being beyond sensor limits based on the estimated slope until a subsequent measured data value within sensor limits is measured; d. indicating a desired condition in response to one of the measured data value and the estimated data value being within a desired range; and e. transmitting a signal indicative of the desired condition to an occupant protection system. - View Dependent Claims (7, 8, 9, 10)
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Specification