METHOD AND APPARATUS FOR EVALUATING DECELERATION OF A VEHICLE
First Claim
1. Method for evaluating deceleration of a vehicle comprising:
- measuring a deceleration of the vehicle during a first time interval,estimating a speed of the vehicle at a first time instant in a second time interval, which is different from the first time interval, based on the measured deceleration,measuring a speed of the vehicle at said first time instant,comparing the estimated speed to the measured speed, andgenerating a signal based on said comparison.
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Abstract
In accordance with the present inventive concept, there is provided a method for evaluating deceleration of a vehicle. The method comprises: measuring a deceleration of the vehicle during a first time interval, estimating a speed of the vehicle at a first time instant in a second time interval, which is different from the first time interval, based on the measured deceleration, measuring a speed of the vehicle at the first time instant, comparing the estimated speed to the measured speed, and generating a signal based on the comparison. There is also provided an apparatus for evaluating deceleration of a vehicle.
30 Citations
32 Claims
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1. Method for evaluating deceleration of a vehicle comprising:
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measuring a deceleration of the vehicle during a first time interval, estimating a speed of the vehicle at a first time instant in a second time interval, which is different from the first time interval, based on the measured deceleration, measuring a speed of the vehicle at said first time instant, comparing the estimated speed to the measured speed, and generating a signal based on said comparison. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. Apparatus for evaluating deceleration of a vehicle comprising:
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a measurement unit arranged to measure a deceleration of the vehicle during a first time interval, and measure a speed of the vehicle at a first time instant in a second time interval, which is different from the first time interval, an estimation unit arranged to estimate a speed at said first time instant, based on the measured deceleration, a comparison unit arranged to compare the estimated speed to the measured speed, and a signal generator arranged to generate a signal based on said comparison. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. Method for evaluating deceleration of a vehicle comprising:
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measuring a deceleration of the vehicle in a first time interval, measuring a speed of the vehicle at a first time instant in a second time interval, which is different from the first time interval, estimating a second time instant at which an estimated speed of the vehicle based on the measured deceleration matches said measured speed, comparing the first time instant and the second time instant, and generating a signal based on said comparison. - View Dependent Claims (20, 21)
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22. Apparatus for evaluating deceleration of a vehicle comprising:
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a measurement unit arranged to measure a deceleration of the vehicle in a first time interval, and measure a speed of the vehicle at a first time instant in a second time interval, which is different from the first time interval, an estimation unit arranged to estimate a second time instant at which an estimated speed of the vehicle based on the measured deceleration matches said measured speed, a comparison unit arranged to compare the first and the second time instant, and a signal generator arranged to generate a signal based on said comparison. - View Dependent Claims (23, 24)
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25. Method for evaluating deceleration of a vehicle comprising:
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determining a time instant of initiation of a deceleration of the vehicle, measuring the deceleration of the vehicle during a first time interval, measuring a first speed of the vehicle at a first time instant in a second time interval, which is different from the first time interval, estimating a second time instant such that a deceleration, corresponding to said measured deceleration, from a second speed of the vehicle prior to the first time interval, during a time interval from the second to the first time instant, results in said first measured speed, comparing the second time instant and the time instant of initiation of the deceleration, and generating a signal based on said comparison. - View Dependent Claims (26, 27, 28)
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29. Apparatus for evaluating deceleration of a vehicle comprising:
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a monitoring unit arranged to determine a time instant of initiation of a deceleration of the vehicle, a measurement unit arranged to measure the deceleration of the vehicle in a first time interval, and a first speed of the vehicle at a first time instant in a second time interval, which is different from the first time interval, an estimation unit arranged to estimate a second time instant such that a deceleration, corresponding to said measured deceleration, from a second speed of the vehicle prior to the first time interval, during a time interval from the second to the first time instant, results in said first measured speed, a comparison unit arranged to compare the second time instant and the time instant of initiation of the deceleration, and generating a signal based on said comparison. - View Dependent Claims (30, 31, 32)
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Specification