Method and apparatus for identification of wheels of a vehicle and a vehicle comprising same
First Claim
1. A method of determining the location information of a plurality of wheels mounted on a vehicle, each said wheel having a plane of rotation and said vehicle comprising a body having a first and a second lateral side, the method comprising the steps of:
- attaching an accelerometer to each one of said plurality of wheels of said vehicle, wherein each said accelerometer is adapted to transmit a transverse acceleration signal in response to acceleration in a direction orthogonal to the plane of rotation of a said wheel, the polarity of a said transverse acceleration signal transmitted by a said accelerometer mounted on one said lateral side of said vehicle being opposite to the polarity of another said transverse acceleration signal transmitted by another said accelerometer mounted on another said lateral side of said vehicle upon said vehicle making a lateral turn towards either said first or said second lateral side to change its course of motion;
obtaining a relationship between the lateral location of a said wheel and the polarity of said transverse acceleration signal transmitted by a said accelerometer of a said wheel in response to a lateral turn of said vehicle in a direction of a said lateral side of said vehicle; and
determining the lateral location of a said wheel with reference to the polarity of said transverse acceleration signal transmitted by said accelerometer of said wheel upon the vehicle undergoing a said lateral turn.
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Accused Products
Abstract
A method of determining the location information of a plurality of wheels mounted on a vehicle by obtaining a relationship between the lateral location of a wheel and the polarity of a transverse acceleration transmitted by an accelerometer of a wheel in response to a lateral turn of the vehicle in a direction of a lateral side of the vehicle and determining the lateral location of a wheel with reference to the polarity of the transverse acceleration signal transmitted by the accelerometer of the wheel upon the vehicle undergoing a lateral turn.
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Citations
25 Claims
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1. A method of determining the location information of a plurality of wheels mounted on a vehicle, each said wheel having a plane of rotation and said vehicle comprising a body having a first and a second lateral side, the method comprising the steps of:
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attaching an accelerometer to each one of said plurality of wheels of said vehicle, wherein each said accelerometer is adapted to transmit a transverse acceleration signal in response to acceleration in a direction orthogonal to the plane of rotation of a said wheel, the polarity of a said transverse acceleration signal transmitted by a said accelerometer mounted on one said lateral side of said vehicle being opposite to the polarity of another said transverse acceleration signal transmitted by another said accelerometer mounted on another said lateral side of said vehicle upon said vehicle making a lateral turn towards either said first or said second lateral side to change its course of motion; obtaining a relationship between the lateral location of a said wheel and the polarity of said transverse acceleration signal transmitted by a said accelerometer of a said wheel in response to a lateral turn of said vehicle in a direction of a said lateral side of said vehicle; and determining the lateral location of a said wheel with reference to the polarity of said transverse acceleration signal transmitted by said accelerometer of said wheel upon the vehicle undergoing a said lateral turn. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of determining the location information of a plurality of wheels mounted on a vehicle, said vehicle comprising a body having a first and a second lateral side, the method comprising the steps of:
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obtaining transverse acceleration information of each one of said plurality of wheels upon said vehicle making a lateral turn to change its course of motion towards either said first or said second lateral side, said transverse acceleration being in a direction orthogonal to the plane of rotation of a said wheel, and said transverse acceleration information containing orientation information of said transverse acceleration relative to the body of said vehicle and including information on whether said transverse acceleration is in a direction towards or away from said body of said vehicle; and determining whether a said wheel is on said first or said second lateral side of said vehicle with reference to the direction of said lateral turn and said orientation information. - View Dependent Claims (14, 15, 25)
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16. A wheel identification arrangement for a vehicle comprising a plurality of wheels mounted on a first lateral side and a second lateral side of the body of said vehicle, said arrangement comprising a processor and a plurality of wheel identification devices each of which is attached respectively to said plurality of wheels;
- wherein each said wheel identification device comprises;
i. an accelerometer arranged to generate a transverse acceleration signal in response to acceleration in a direction orthogonal to the plane of rotation of said wheel, said transverse acceleration signal containing orientation information of whether said transverse acceleration is towards or away from the body of said vehicle; and ii. a wireless signal transmitter for transmitting said acceleration signal to said processor; wherein said processor is arranged to determine the lateral locations of said wheels from the polarity of said orientation information. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24)
- wherein each said wheel identification device comprises;
Specification