USE OF SUSPENSION INFORMATION IN TIRE PRESSURE DEVIATION DETECTION FOR A VEHICLE TIRE
1 Assignment
0 Petitions
Accused Products
Abstract
A method, system and computer program product for detecting a tire pressure deviation in a tire of a vehicle by determining tire pressure indicating data indicative of a tire pressure condition of the tire and determining tire pressure deviation data indicative of a tire pressure deviation in the tire.
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Citations
37 Claims
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1-31. -31. (canceled)
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32. An indirect tire pressure monitoring method of detecting tire pressure deviation in tires of a vehicle, comprising:
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determining tire pressure indicating data indicative of a tire pressure condition of at least one tire of a vehicle; and determining tire pressure deviation data indicative of a tire pressure deviation condition in the at least one tire on the basis of the tire pressure indicating data;
characterized by;obtaining at least one vehicle data provided by a controlling and/or monitoring device of the vehicle; determining suspension related data on the basis of the at least one vehicle data; and suspension related compensating on the basis of the suspension related data such that suspension compensated tire pressure deviation data is achieved, wherein the at least one vehicle data includes at least one of vehicle data indicative of suspension stiffness acting on at least one of the at least one tire; vehicle data indicative of operation of a semi-active or active suspension control system of the vehicle; vehicle data indicative of at least one of a lateral acceleration and a longitudinal acceleration of the vehicle; vehicle data indicative of a yaw rate of the vehicle; vehicle data indicative of a speed of the vehicle; vehicle data indicative of a steering wheel angle of a steering wheel of the vehicle; vehicle data indicative of at least one of positioning, orientation and emission direction of at least one head light of the vehicle; vehicle data indicative of a braking condition of the vehicle; vehicle data indicative that a braking system of the vehicle is operating; vehicle data indicative of brake pressure; vehicle data indicative that at least one active control device of the vehicle is active; vehicle data indicative of ambient temperature; vehicle data indicative of an engine torque of an engine of the vehicle; vehicle data indicative of a torque acting on the at least one tire; vehicle data indicative of wheel slip related to the at least one tire; vehicle data indicative of an engine speed of an engine of the vehicle; and vehicle data indicative that a gear shift of the vehicle is in progress. - View Dependent Claims (33)
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34. An indirect tire pressure monitoring system for detecting tire pressure deviation in tires of a vehicle, comprising:
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means for determining tire pressure indicating data indicative of a tire pressure condition of at least one tire of a vehicle; and means for detei mining tire pressure deviation data indicative of a tire pressure deviation condition in the at least one tire on the basis of the tire pressure indicating data;
characterized by;means for obtaining at least one vehicle data provided by a controlling and/or monitoring device of the vehicle; means for determining suspension related data on the basis of the at least one vehicle data; and means for suspension related compensating on the basis of the suspension related data such that suspension compensated tire pressure deviation data is achieved, further including at least one input for obtaining, as the least one vehicle data, at least one of vehicle data indicative of suspension height information related to at least one of the at least one tire; vehicle data indicative of suspension stiffness acting on at least one of the at least one tire; vehicle data indicative of at least one of current and future control measures of extension and/or height of suspension means acting on at least one of the at least one tire; vehicle data indicative of operation of a semi-active or active suspension control system of the vehicle; vehicle data indicative of suspension pressure and/or force acting on at least one of the at least one tire; vehicle data indicative of at least one of a lateral acceleration and a longitudinal acceleration of the vehicle; vehicle data indicative of a yaw rate of the vehicle; vehicle data indicative of a speed of the vehicle; vehicle data indicative of a steering wheel angle of a steering wheel of the vehicle; vehicle data indicative of at least one of positioning, orientation and emission direction of at least one head light of the vehicle; vehicle data indicative of a braking condition; vehicle data indicative that a braking system of the vehicle is operating; vehicle data indicative of brake pressure; vehicle data indicative that at least one active control device of the vehicle is active; vehicle data indicative of ambient temperature; vehicle data indicative of an engine torque of an engine of the vehicle; vehicle data indicative of a torque acting on the at least one tire; vehicle data indicative of wheel slip related to the at least one tire; vehicle data indicative of an engine speed of an engine of the vehicle; and vehicle data indicative that a gear shift of the vehicle is in progress; and
/orwherein the means for determining the suspension related data is adapted to compute the at least one vehicle data to calculate or estimate the suspension related data; and/or wherein the means for suspension related compensating is adapted to suspension related compensate the at least one vehicle data based on the suspension related data; and/or wherein the means for obtaining the at least one vehicle data is adapted to obtain vehicle data of at least one of; a 3D position sensor; a velocity sensor; an acceleration sensor; a wheel/tire sensor; a yaw rate sensor; a torque sensor; a suspension sensor; and temperature sensor; and
/orwherein the means for suspension related compensating is adapted to suspension related compensate the tire pressure indicating data on the basis of the suspension related data; and
/orwherein the means for suspension related compensating is adapted to suspension related compensate the tire pressure deviation data itself on the basis of the suspension related data; and
/orfurther comprising means for comparing the tire pressure deviation data with deviation threshold data and for determining based on the comparison result whether the tire pressure deviation condition exceeds at least one predetermined deviation related threshold, preferably further comprising means for correcting the deviation threshold data on the basis of the suspension related data.
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36. A computer program product for an indirect tire pressure monitoring for detecting tire pressure deviation in tires of a vehicle, the computer program product comprising program code for carrying out, when executed on a processing system,:
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determining tire pressure indicating data indicative of a tire pressure condition of at least one tire of a vehicle; and determining tire pressure deviation data indicative of a tire pressure deviation condition in the at least one tire on the basis of the tire pressure indicating data;
characterized by;obtaining at least one vehicle data provided by a controlling and/or monitoring device of the vehicle; determining suspension related data on the basis of the at least one vehicle data; and suspension related compensating on the basis of the suspension related data such that suspension compensated tire pressure deviation data is achieved, wherein the at least one vehicle data includes at leas one of vehicle data indicative of suspension stiffness acting on at least one of the at least one tire; vehicle data indicative of operation of a semi-active or active suspension control system of the vehicle; vehicle data indicative of at least one of a lateral acceleration and a longitudinal aceleration of the vehicle; vehicle data indicative of a yaw rate of the vehicle; vehicle data indicative of a speed of the vehicle; vehicle data indicative of a steering wheel angle of a steering wheel of the vehicle; vehicle data indicative of at least one of positioning, orientation and emission direction of at least one head light of the vehicle; vehicle data indicative of a braking condition of the vehicle; vehicle data indicative that a braking system of the vehicle is operating; vehicle data indicative of brake pressure; vehicle data indicative that at least one active control device of the vehicle is active; vehicle data indicative of ambient temperature; vehicle data indicative of an engine torque of an engine of the vehicle; vehicle data indicative of a torque acting on the at least one tire; vehicle data indicative of wheel slip related to the at least one tire; vehicle data indicative of an engine speed of an engine of the vehicle; and vehicle data indicative that a gear shift of the vehicle is in progress. - View Dependent Claims (37)
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Specification