System for detecting rotational imbalance of vehicle roadwheels
First Claim
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1. A system for detecting rotational imbalance of a steerable roadwheel of a vehicle, comprising:
- force measurement means for sensing the force required to steer said roadwheel, with said means further comprising means for generating a force signal corresponding to said sensed force; and
processor means responsive to said force signal for determining the dynamic rotational balance condition of said roadwheel.
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Abstract
A system for detecting dynamic rotational imbalance of vehicle roadwheels includes a force measurement sensor for sensing the force required to steer the roadwheel and further includes a device for generating a force signal corresponding to the sensed force and a processor responsive to the force signal for determining the dynamic rotational balance condition of the roadwheel.
24 Citations
12 Claims
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1. A system for detecting rotational imbalance of a steerable roadwheel of a vehicle, comprising:
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force measurement means for sensing the force required to steer said roadwheel, with said means further comprising means for generating a force signal corresponding to said sensed force; and processor means responsive to said force signal for determining the dynamic rotational balance condition of said roadwheel. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system for measuring the rotational imbalance of a steerable roadwheel of a vehicle, comprising:
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force measurement means for sensing the force required to steer said roadwheel, with said means further comprising means for generating a force signal corresponding to said sensed force; means for measuring the forward velocity of said vehicle and for generating a signal corresponding to said velocity; and processor means, responsive to said force signal and to said velocity signal, for determining the dynamic rotational balance condition of said roadwheel, with said processor means comprising; means for resolving said force signal into a base component attributable to steering force normally required to steer said vehicle and a variable component attributable to dynamic rotational imbalance of said roadwheel; and means for comparing the magnitude of said variable component to a threshold value, with said comparator means further comprising means for providing an imbalance signal in the event that said variable component exceeds said threshold value. - View Dependent Claims (9, 10)
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11. A method for detecting dynamic imbalance of a steered roadwheel of a vehicle, comprising:
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sensing the force required to steer said roadwheel; generating a force signal having a magnitude corresponding to said sensed force; resolving said force signal into a base component attributable to steering force normally required to steer said vehicle and a variable component attributable to dynamic rotational imbalance of said roadwheel; comparing the magnitude of said variable force component to a threshold value; and providing an imbalance signal in the event that said variable force component exceeds said threshold value. - View Dependent Claims (12)
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Specification