公开(公告)号：US08726724B2

公开(公告)日：2014-05-20

申请号：US13483695

申请日：2012-05-30

申请人： Yuji Oshiro ,  Seigou Sakagami ,  Masashi Kitano ,  Hiroaki Kawasaki ,  Tomonori Sakai ,  Shinya Notomi ,  Kazunari Okada

发明人： Yuji Oshiro ,  Seigou Sakagami ,  Masashi Kitano ,  Hiroaki Kawasaki ,  Tomonori Sakai ,  Shinya Notomi ,  Kazunari Okada

IPC分类号： G01M17/02 ,  G08B21/00 ,  G06F19/00

CPC分类号： B60C23/062 ,  B60C23/061

摘要： A system detects deflated tires based on a resonance frequency of tires with a vehicle and a relative comparison value of rotation speeds of the tires. The system includes: a rotation information detection means for detecting rotation information of the tires; a rotation speed calculation means for calculating rotation speeds of the tires; a resonance frequency assumption means for assuming a resonance frequency of the tires; and a determination means for detection of deflated tires using a decreased pressure determination index calculated by a relative comparison of the rotation speeds of the tires and the resonance frequency. The determination means is so configured as to reduce the second threshold to be compared with the decreased pressure determination index to a value equal to or higher than 1% and equal to or lower than 90% and to detect deflated tires when the decreased pressure determination index exceeds the reduced threshold.

摘要翻译： 系统基于轮胎与车辆的共振频率和轮胎的转速的相对比较值来检测放气轮胎。 该系统包括：用于检测轮胎的旋转信息的旋转信息检测装置; 用于计算轮胎的转速的转速计算装置; 用于假设轮胎的共振频率的共振频率假设装置; 以及确定装置，用于使用通过轮胎的转速和共振频率的相对比较计算的减小的压力确定指标来检测放气轮胎。 确定装置被配置为将要与减小的压力确定指数进行比较的第二阈值减小到等于或高于1％且等于或低于90％的值，并且当减小的压力确定指数 超过降低阈值。

公开(公告)号：US07573376B2

公开(公告)日：2009-08-11

申请号：US11602350

申请日：2006-11-21

申请人： Yuji Oshiro

发明人： Yuji Oshiro

IPC分类号： B60C23/00

CPC分类号： B60C23/061

摘要： A method, an apparatus and a program for alarming abnormality in tire air-pressure which enables to prevent issuing a erroneous alarm or no alarm when only one tire is replaced with a new tire can be provided. The method of alarming abnormality in tire air-pressure includes a step of detecting whether or not a new tire has been mounted by comparing the difference between determinate values to judge a decrease in air-pressure before and after enlargement of a diameter of the new tire with a set threshold value when solely one tire is replaced with the new tire with the use of a phenomenon that a diameter of a new tire on a vehicle enlarges after running.

摘要翻译： 可以提供用于警报轮胎空气压力异常的方法，装置和程序，其能够在仅新一轮胎被新轮胎更换时能够防止发出错误报警或无报警。 轮胎气压异常报警的方法包括：通过比较确定值之间的差异来检测新轮胎是否已经安装的步骤，以判断新轮胎的直径增大之前和之后的空气压力的降低 当使用车辆上的新轮胎的直径在运行后放大的现象，当仅使用新轮胎替换一个轮胎时，具有设定的阈值。

公开(公告)号：US06831553B2

公开(公告)日：2004-12-14

申请号：US10280060

申请日：2002-10-25

申请人： Yuji Oshiro ,  Minao Yanase

发明人： Yuji Oshiro ,  Minao Yanase

IPC分类号： B60C2300

CPC分类号： B60C23/061

摘要： A method for detecting decrease in tire air-pressure in which decrease in internal pressure of a tire is detected on the basis of rotational information. The method includes the steps of: detecting rotational information of the tires; storing the rotational information; comparing rotational information of all left-sided wheels and rotational information of all right-sided wheels of the vehicle when the vehicle is performing straight-ahead running; and judging decompression on the basis of a relationship between a value obtained through comparison of the left-sided and right-sided rotational information and a specified threshold. It is possible to detect decompression of a single wheel tire while it is also possible to detect that two wheel tires on the left or right are simultaneously decreased.

摘要翻译： 基于旋转信息，检测轮胎内压下降的轮胎气压的下降的方法。 该方法包括以下步骤：检测轮胎的旋转信息; 存储旋转信息; 当车辆正在进行直行时，比较所有左侧轮的旋转信息和车辆的所有右侧轮的旋转信息; 并且基于通过比较左侧和右侧旋转信息获得的值与指定阈值之间的关系来判断解压缩。 可以检测单个轮胎的减压，同时也可以检测到左右两个轮胎轮胎同时减少。

公开(公告)号：US06756891B2

公开(公告)日：2004-06-29

申请号：US10219663

申请日：2002-08-16

申请人： Yuji Oshiro

发明人： Yuji Oshiro

IPC分类号： B60C2300

CPC分类号： B60C23/061

摘要： A method for detecting decrease in tire air-pressure for detecting decrease in internal pressure of a tire on the basis of rotational information obtained from tires attached to a vehicle. A threshold for judging decrease in air-pressure of following wheels is different from a threshold for judging decrease in air-pressure of driving wheels. Threshold for judging abnormalities in air-pressure are varied for judging abnormalities of tire air-pressures of following wheels and for judging abnormalities of tire air-pressure of driving wheels so that appropriate judgment of abnormalities in air-pressure can be performed.

摘要翻译： 根据从车辆附带的轮胎获得的旋转信息，检测轮胎气压的下降的方法，用于检测轮胎的内部压力的下降。 用于判断后轮的空气压力的下降的阈值与用于判断驱动轮的气压的降低的阈值不同。 用于判断气压异常的阈值是变化的，用于判断后轮的轮胎空气压力的异常，并且判断驱动轮的轮胎气压的异常，从而可以适当地判断气压异常。

公开(公告)号：US06529851B1

公开(公告)日：2003-03-04

申请号：US09469255

申请日：1999-12-22

申请人： Yuji Oshiro

发明人： Yuji Oshiro

IPC分类号： G06F1500

CPC分类号： B60C23/061

摘要： An apparatus for detecting a decrease in internal pressure of a tire based on rotational information obtainable from tires attached to a four-wheeled vehicle equipped with a limited slip differential device is presented. The apparatus includes a way of correcting a turning radius or a reciprocal of the turning radius of driving wheels by calculating a shift amount. The shift amount is a difference between turning radiuses or a difference between reciprocals of turning radiuses, which is obtainable from the rotational information of driving wheels and following wheels. An accurate turning radius can be calculated for the driving wheels, which is not affected by the limited slip differential. Consequently, a decrease in the internal tire pressure can be properly judged in a vehicle that has a limited slip differential.

摘要翻译： 提出了一种用于根据从配备有限滑差速装置的四轮车辆安装的轮胎获得的旋转信息来检测轮胎内压降低的装置。 该装置包括通过计算移动量来校正驱动轮的转动半径的转弯半径或倒数的方式。 移位量是从驱动轮和后轮的旋转信息获得的转弯半径之间的差或转动半径的倒数差。 可以为驱动轮计算精确的转弯半径，不受限滑差速器的影响。 因此，可以在具有有限滑差的车辆中适当地判断内胎压力的下降。

公开(公告)号：US20120310590A1

公开(公告)日：2012-12-06

申请号：US13486388

申请日：2012-06-01

申请人： Minao YANASE ,  Seigou Sakagami ,  Yuji Oshiro ,  Tomonori Sakai ,  Shinya Notomi ,  Kazutaka Saito ,  Kazunari Okada ,  Ichiro Ueno

发明人： Minao YANASE ,  Seigou Sakagami ,  Yuji Oshiro ,  Tomonori Sakai ,  Shinya Notomi ,  Kazutaka Saito ,  Kazunari Okada ,  Ichiro Ueno

IPC分类号： G06F15/00

CPC分类号： B60C23/061

摘要： A system for detecting deflated tires by making a relative comparison among rotation speeds of tires attached to a vehicle. The system includes a rotation speed information detection means for detecting rotation speed information of the tires; a rotation speed calculation means for calculating rotation speeds of the tires; and a determination means for determining deflated tires by comparing a decreased pressure determination value using the calculated rotation speeds with a predetermined threshold value. The determination means determines that the vehicle is going straight when it is found, with regard to factors composed of a lateral G, a yaw rate, and a steering angle of the vehicle, at least two of the factors including the yaw rate show that a difference between the maximum value and the minimum value at a predetermined time is lower than a predetermined value, thereby detecting deflated tires.

摘要翻译： 一种用于通过对附接到车辆的轮胎的转速进行相对比较来检测放气轮胎的系统。 该系统包括用于检测轮胎的转速信息的转速信息检测装置; 用于计算轮胎的转速的转速计算装置; 以及确定装置，用于通过使用所计算的转速与预定阈值比较减小的压力确定值来确定放气轮胎。 确定装置确定车辆在找到车辆时是直线的，关于由横向G，横摆角速度和车辆的转向角构成的因素，包括横摆率的至少两个因素表明， 在预定时间的最大值和最小值之间的差小于预定值，从而检测放气轮胎。

公开(公告)号：US20100126264A1

公开(公告)日：2010-05-27

申请号：US12569634

申请日：2009-09-29

申请人： Yuji OSHIRO

发明人： Yuji OSHIRO

IPC分类号： B60C23/02

CPC分类号： B60C23/061

摘要： An apparatus includes a rotating wheel speed ratio calculation means for calculating, based on rotation velocity information, a rotating wheel speed ratio between front wheels and rear wheels of the vehicle; a wheel torque calculation means for calculating a wheel torque of the vehicle; an initialization means for obtaining a relation at a normal internal pressure between the wheel torque and the rotating wheel speed ratio between the front wheels and the rear wheels; a storage means for storing the relation obtained; a comparison means for comparing the rotating wheel speed ratio obtained by the rotating wheel speed ratio calculation means with the rotating wheel speed ratio at a normal internal pressure obtained from the wheel torque obtained by the wheel torque calculation means and the relation; and a judgment means for judging whether a tire air pressure is decreased or not based on a comparison result.

摘要翻译： 一种装置，包括：转轮速度比计算装置，用于根据转速信息计算车辆前轮与后轮之间的转轮速度比; 用于计算车辆的车轮扭矩的车轮扭矩计算装置; 用于获得车轮扭矩和前轮与后轮之间的转轮速度比之间的正常内部压力的关系的初始化装置; 存储装置，用于存储获得的关系; 比较装置，用于将通过旋转轮速比计算装置获得的旋转轮速比与由通过车轮转矩计算装置获得的车轮扭矩获得的正常内部压力下的转轮速度比和该关系进行比较; 以及判断装置，用于根据比较结果判断轮胎气压是否减小。

公开(公告)号：US07619510B2

公开(公告)日：2009-11-17

申请号：US11607034

申请日：2006-12-01

申请人： Yuji Oshiro

发明人： Yuji Oshiro

IPC分类号： B60C23/00

CPC分类号： B60C23/061

摘要： The present invention provides an apparatus, method and program for alarming abnormality in tire air-pressure which prevent the issuance of an erroneous alarm and thus determine abnormality in tire air-pressure even when a rotational velocity of the tire changes by causes other than a decrease in an air pressure. An apparatus for alarming abnormality in tire air-pressure decrease detects a change in a relationship between wheel velocities of front wheel tires and those of rear wheel tires, and replaces a relationship between the wheel velocities of the front wheel tires and those of the rear wheel tires with a relationship between wheel velocities of front wheel tires and those of rear wheel tires obtained after the change of the relationship, thereby determining abnormality in air-pressure when the change is detected.

摘要翻译： 本发明提供一种用于警报轮胎气压异常的装置，方法和程序，其防止发出错误警报，从而即使当轮胎的旋转速度改变为除了减小之外的原因时也确定轮胎空气压力的异常 在空气压力。 用于警报轮胎空气压力降低异常的装置检测前轮轮胎和后轮轮胎的轮速之间的关系的变化，并且替换前轮轮胎的轮速与后轮轮的轮速之间的关系 在关系改变之后获得的前轮轮胎的轮速与后轮轮胎的轮速之间的关系的轮胎，从而在检测到变化时确定空气压力的异常。

公开(公告)号：US20080238645A1

公开(公告)日：2008-10-02

申请号：US12068939

申请日：2008-02-13

申请人： Yuji Oshiro

发明人： Yuji Oshiro

IPC分类号： B60C23/00

CPC分类号： B60C23/061

摘要： The subject is to provide a method for alarming a decrease in tire air-pressure that can improve the precision of the reduced pressure judgment and a device thereof and a program for judging the decrease in tire air-pressure.Means for solution is a method for alarming a decrease in tire air-pressure that informs the decrease in tire air-pressure based on the rotational speed obtained from tires loaded on a four-wheeled vehicle, a device thereof and a program thereof, wherein the influence of turning and the influence of acceleration to a lateral direction that are the correction factors of the judged value of the decrease in tire air-pressure are excluded.

摘要翻译： 本发明提供一种用于报警轮胎空气压力降低的方法，其可以提高减压判定的精度及其装置，以及用于判断轮胎空气压力降低的程序。 用于解决方案的方法是基于从装载在四轮车辆上的轮胎获得的转速以及其程序来报告轮胎空气压力的下降的方法，该方法通知轮胎空气压力的降低，其中， 排除作为轮胎空气压力的降低的判定值的校正因子的作为横向的加速度的影响和作为横向的加速度的影响。

公开(公告)号：US20070139180A1

公开(公告)日：2007-06-21

申请号：US11607034

申请日：2006-12-01

申请人： Yuji Oshiro

发明人： Yuji Oshiro

IPC分类号： B60C23/00

CPC分类号： B60C23/061

摘要： The present invention provides an apparatus, method and program for alarming abnormality in tire air-pressure which prevent the issuance of an erroneous alarm and thus determine abnormality in tire air-pressure even when a rotational velocity of the tire changes by causes other than a decrease in an air pressure. An apparatus for alarming abnormality in tire air-pressure decrease includes means for detecting a change in a relationship between wheel velocities of front wheel tires and those of rear wheel tires, and means for replacing a relationship between the wheel velocities of the front wheel tires and those of the rear wheel tires with a relationship between wheel velocities of front wheel tires and those of rear wheel tires obtained after the change of the relationship, thereby determining abnormality in air-pressure when the change is detected in the detecting means.

摘要翻译： 本发明提供一种用于警报轮胎气压异常的装置，方法和程序，其防止发出错误警报，从而即使当轮胎的旋转速度改变为除了减小之外的原因时也确定轮胎空气压力的异常 在空气压力。 用于警报轮胎气压降低异常的装置包括用于检测前轮轮胎和后轮轮胎的车轮速度之间的关系变化的装置，以及用于替换前轮轮胎的车轮速度与前轮轮胎之间的关系的装置 后轮轮胎的轮胎与前轮轮胎的车轮速度和后轮轮胎的轮速之间的关系改变后的关系，从而在检测装置中检测到变化时确定空气压力的异常。