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1. WO2020192686 - ERROR COMPENSATION METHOD AND APPARATUS FOR MEASURING TIRE PRESSURE OF VEHICLE

Publication Number WO/2020/192686
Publication Date 01.10.2020
International Application No. PCT/CN2020/081097
International Filing Date 25.03.2020
IPC
B60C 23/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
23Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps, of tanks; Tyre cooling arrangements
B60W 40/12 2012.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
40Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit
12related to parameters of the vehicle itself
B60W 40/076 2012.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
40Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit
02related to ambient conditions
06Road conditions
076Slope angle of the road
CPC
B60C 23/00
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES
23Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles
B60W 40/076
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
40Estimation or calculation of ; non-directly measurable; driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, ; e.g. by using mathematical models
02related to ambient conditions
06Road conditions
076Slope angle of the road
B60W 40/12
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
40Estimation or calculation of ; non-directly measurable; driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, ; e.g. by using mathematical models
12related to parameters of the vehicle itself ; , e.g. tyre models
Applicants
  • 武汉理工大学 WUHAN UNIVERSITY OF TECHNOLOGY [CN]/[CN]
Inventors
  • 钟毅 ZHONG, Yi
Agents
  • 湖北武汉永嘉专利代理有限公司 HUBEI WUHAN YONGJIA PATENT AGENCY CO., LTD.
Priority Data
201910233638.226.03.2019CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) ERROR COMPENSATION METHOD AND APPARATUS FOR MEASURING TIRE PRESSURE OF VEHICLE
(FR) PROCÉDÉ ET APPAREIL DE COMPENSATION D'ERREUR PERMETTANT DE MESURER UNE PRESSION DE PNEU DE VÉHICULE
(ZH) 一种测量车辆轮胎压力的误差补偿方法与装置
Abstract
(EN)
An error compensation method and apparatus for measuring tire pressure of a vehicle. The method comprises the following steps: 1) estimating the slope of a road surface where a vehicle is located at the current moment, and when the slope is smaller than a preset value, entering into a loading compensation mode; 2) obtaining the pitch angle of a vehicle body without loading load and setting as a calibration value P1, and obtaining the pitch angle of the vehicle body with loading load and setting as a calibration value P2; and 3) if a difference between the calibration value and an actual value is greater than a set threshold, calculating the compensation value of the radius of a wheel according to the difference (P1-P2) between the calibration value and the actual value. The apparatus does not need to use an additional sensor, thereby reducing the cost of an indirect tire pressure monitoring system.
(FR)
La présente invention concerne un procédé et un appareil de compensation d'erreur permettant de mesurer une pression de pneu d'un véhicule. Le procédé comprend les étapes suivantes : 1) l'estimation de l'inclinaison d'une surface de route où un véhicule est situé au moment présent, et lorsque l'inclinaison est inférieure à une valeur prédéfinie, l'entrée dans un mode de compensation de chargement ; 2) l'obtention de l'angle de pas d'une carrosserie de véhicule sans charge de chargement et la définition en tant que valeur d'étalonnage P1, et l'obtention de l'angle de pas de la carrosserie de véhicule avec une charge de chargement et la définition en tant que valeur d'étalonnage P2 ; et 3) si une différence entre la valeur d'étalonnage et une valeur réelle est supérieure à un seuil défini, le calcul de la valeur de compensation du rayon d'une roue en fonction de la différence (P1-P2) entre la valeur d'étalonnage et la valeur réelle. L'appareil n'a pas besoin d'utiliser un capteur supplémentaire, ce qui permet de réduire le coût d'un système de contrôle indirect de pression de pneu.
(ZH)
一种测量车辆轮胎压力的误差补偿方法与装置,该方法包括以下步骤:1)估算汽车当前时刻所在路面的坡度,当坡度小于预设值时进入加载补偿模式;2)获取汽车车身在无负载加载时的俯仰角,设为标定值P1,获取汽车车身有负载加载时的俯仰角,设为实际值P2;3)若标定值与实际值之差大于设定阈值,则根据标定值与实际值之差(P1-P2)计算车轮半径的补偿值。该装置不需要使用到额外的传感器,降低了间接胎压监测系统的成本。
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