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公开(公告)号：EP3785943A1
公开(公告)日：2021-03-03
申请号：EP20192461.0
申请日：2020-08-24
摘要： A tire wear state estimation system (10) is disclosed. The system comprises a vehicle (14); a tire (12) supporting the vehicle; and a sensor unit (26) being mounted on the tire, the sensor unit including: a footprint centerline length measurement sensor to measure a centerline length of a footprint of the tire; a pressure sensor to measure a pressure of the tire; a temperature sensor to measure a temperature of the tire; and electronic memory capacity for storing identification information for the tire. The system further comprises a processor (36) in electronic communication with the sensor unit (26), the processor being configured for receiving the measured centerline length, the measured pressure, the measured temperature and the identification information; a tire construction database storing tire construction data, the tire construction database being in electronic communication with the processor (36), wherein the identification information is correlated to the tire construction data; and an analysis module (52) being stored on the processor (36) and configured for receiving the measured centerline length, the measured pressure, the measured temperature, the identification information, and the tire construction data as inputs, the analysis module (52) including a prediction model (76) to generate an estimated wear state for the tire (12) from the inputs. Also, a method for estimating the wear state of a tire supporting a vehicle is disclosed.
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公开(公告)号：EP3785942A1
公开(公告)日：2021-03-03
申请号：EP20192449.5
申请日：2020-08-24
摘要： A method for extracting changes in characteristics of a tire (12) supporting a vehicle (14) is disclosed. The method comprising the steps of: extracting selected tire characteristics from at least one sensor (26) mounted on the tire (12); transmitting the selected tire characteristics to a remote processor (36); storing the selected tire characteristics in a historical data login communication with the remote processor (36); selecting at least one tire characteristic of interest; applying a time series decomposition model to data from the historical data log to delineate exogenous inputs from an underlying trend in the selected tire characteristic of interest; applying a learning model to the underlying trend in the selected tire characteristic of interest to model a relationship between the selected tire characteristic of interest and a condition of the tire (12); and outputting from the learning model a prediction value for a condition of the tire (12).
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公开(公告)号：EP3330106B1
公开(公告)日：2020-01-29
申请号：EP17205182.3
申请日：2017-12-04
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公开(公告)号：EP3421267A1
公开(公告)日：2019-01-02
申请号：EP18179082.5
申请日：2018-06-21
发明人： SINGH, Kanwar Bharat
摘要： A tire wear state estimation system and method is disclosed. The system comprises at least one tire supporting a vehicle; a CAN bus system disposed on the vehicle; and at least one sensor disposed on the vehicle and in electronic communication with the CAN bus system. The at least one sensor is operative to measure selected parameters associated with the vehicle and to communicate data for the selected parameters through the CAN bus system, including a first set of data, a second set of data and a third set of data. The system further comprises a rolling radius estimator operative to receive the first set of data and estimate a rolling radius for the at least one tire; an acceleration slip estimator operative to receive the second set of data and the estimated rolling radius to estimate the slip of the at least one tire during acceleration of the vehicle; a braking slip estimator operative to receive the third set of data and the estimated rolling radius to estimate the slip of the at least one tire during braking of the vehicle; and a tire slip analyzer to correlate the estimation of the slip of the at least one tire during acceleration of the vehicle and the slip of the at least one tire during braking of the vehicle and generate an estimated wear state of the at least one tire.
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公开(公告)号：EP3178674B1
公开(公告)日：2018-09-19
申请号：EP16201085.4
申请日：2016-11-29
发明人： SINGH, Kanwar Bharat
CPC分类号： B60C23/0474 , B60C13/00 , B60C23/0408 , B60C23/0415 , B60G2400/821 , B60G2800/162 , B60T2210/12 , B60T2210/14 , B60W40/06 , G01N19/00
摘要： A road classification system und method is disclosed. The system comprises at least one tire (12) supporting a vehicle (10); a tire-mounted sensor (24) operable to measure a tire inflation pressure; a tire-mounted identification tag operable to identify the one tire by an identification code; a tire construction database operable for identifying a tire construction type for the one tire from the identification code; a vehicle-mounted axle vertical acceleration sensor operable to measure an axle vertical acceleration of the vehicle; and a road surface classification model for concluding a road surface condition based on measured changes in the measured axle vertical acceleration of the vehicle and the measured tire inflation pressure and the identified tire construction type.
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公开(公告)号：EP3017971B1
公开(公告)日：2018-09-19
申请号：EP15192575.7
申请日：2015-11-02
发明人： SINGH, Kanwar Bharat
CPC分类号： B60T8/176 , B60C19/00 , B60C23/04 , B60C23/0408 , B60C23/06 , B60C2019/004 , B60T8/17613
摘要： A vehicle control system and method is disclosed. The comprises a vehicle (14) having at least one supportive vehicle tire (18), the vehicle tire (18) having a tire cavity, a ground-engaging tread and a plurality of tire-specific parameters operably affecting at least one control system; a plurality of tire-based sensors mounted to the tire configured for operably sensing tire-specific or tire-derivative information (16); and an adaptive tire model processor configured for operably receiving as inputs the tire-specific or tire-derivative information. The adaptive tire model processor is configured to process the inputs through an adaptive model to substantially continuously generate revisions in real-time to the plurality of tire-specific parameters. The at least one control system is configured to (i) operably modify at least one control system parameter in response to the revisions to the plurality of tire-specific or tire-derivative parameters; and/or to (ii) operably receive and apply in real-time the revisions to the tire-specific performance parameters in the control of the vehicle.
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7.发明公开METHOD FOR ESTIMATING TIRE FORCES FROM CAN-BUS ACCESSIBLE SENSOR INPUTS 审中-公开芙蓉蓉ZURSCHÄTZUNGVONREIFENKRÄFTENÜberCAN-BUS-ZUGÄNGLICHESENSOREINGABEN
公开(公告)号：EP3153374A1
公开(公告)日：2017-04-12
申请号：EP16192369.3
申请日：2016-10-05
发明人： SINGH, Kanwar Bharat
CPC分类号： B60W40/13 , B60C23/0488 , B60T2240/06 , B60W40/12 , B60W2040/1315 , B60W2040/1346 , B60W2520/105 , B60W2520/125 , B60W2520/14 , B60W2520/16 , B60W2520/18 , B60W2520/28 , B60W2520/30 , B60W2530/20 , B60W2540/18 , G01G19/086 , G01M1/122 , G01M17/02
摘要： A method for estimating a tire state including normal force, lateral force, and longitudinal force on a tire mounted to a wheel and supporting a vehicle is disclosed. The method comprises: accessing a vehicle CAN-bus for vehicle sensor-measured information; equipping the vehicle with a plurality of CAN-bus accessible, vehicle mounted sensors providing by the CAN-bus input sensor data, the input sensor data including acceleration and one or more angular velocities, steering wheel angle measurement, angular wheel speed of the wheel, roll rate, pitch rate, and yaw rate; deploying a normal force estimator operable to estimate a normal force on the tire from a summation of longitudinal load transfer, lateral load transfer and static normal force using as inputs lateral acceleration, longitudinal acceleration and roll angle derived from the input sensor data; deploying a lateral force estimator operable to estimate a lateral force on the tire from a planar vehicle model using as inputs measured lateral acceleration, longitudinal acceleration and yaw rate derived from the input sensor data; and deploying a longitudinal force estimator operable to estimate a longitudinal force on the tire from a wheel rotational dynamics model using as inputs wheel angular speed and drive/brake torque derived from the input sensor data.
摘要翻译： 公开了一种用于估计轮胎状态的方法，该轮胎状态包括安装在车轮上并支撑车辆的轮胎上的法向力，横向力和纵向力。 该方法包括：访问车辆CAN总线以获取车辆传感器测量信息; 通过CAN总线输入传感器数据提供多个CAN总线可访问车载传感器，输入传感器数据包括加速度和一个或多个角速度，方向盘角度测量，车轮角轮速度， 滚转速率，俯仰速率和偏航率; 部署法向力估计器，其可操作以从纵向载荷传递，横向载荷传递和静态法向力的总和估计轮胎上的法向力，使用从输入传感器数据导出的横向加速度，纵向加速度和滚动角度作为输入; 部署侧向力估计器，其可操作以使用来自所述输入传感器数据的横向加速度，纵向加速度和横摆速度作为输入测量从所述平面车辆模型估计所述轮胎上的横向力; 以及部署纵向力估计器，其可操作以从轮转动度模型估计轮胎上的纵向力，所述轮转动度模型使用从所述输入传感器数据导出的车轮角速度和驱动/制动扭矩。
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公开(公告)号：EP2957440B1
公开(公告)日：2017-03-29
申请号：EP15171195.9
申请日：2015-06-09
摘要： A tire-based system and method for estimating a radially outward tire surface temperature of a tire supporting a vehicle is disclosed. The system comprises at least one temperature sensor mounted to the tire operative to measure a tire inner liner temperature; and an algorithmic prediction model which is empirically trained to correlate a inner liner tire temperature to a tire radially outward surface temperature; wherein the empirically trained algorithmic prediction model is operative to receive a plurality of model inputs including the tire inner liner temperature and to generate, based upon the tire inner liner temperature, a radially outward tire surface temperature estimation.
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公开(公告)号：EP3023761A3
公开(公告)日：2016-07-27
申请号：EP15194459.2
申请日：2015-11-13
发明人： SINGH, Kanwar Bharat
CPC分类号： G01M17/02 , B60C23/00 , B60C99/00 , B60C2019/004 , B60T8/00 , B60T8/1725 , B60W40/10 , G01N3/56
摘要： A tire cornering stiffness estimation system and method is disclosed. The system (10) comprises a vehicle (12) supported by at least one vehicle tire (14) mounted to a hub, the vehicle tire (14) having a tire cavity (22), a ground-engaging tread (16) and a plurality of tire-specific measureable parameters; a plurality of tire-affixed sensors (20) mounted to the tire (14) for operably measuring the tire-specific parameters to generate tire-specific information;
at least one accelerometer mounted to the hub and generating a hub accelerometer signal; and a model-based tire cornering stiffness estimator being operable to generate a model-derived tire cornering stiffness estimation (30) based upon the hub accelerometer signal and the tire-specific information or the hub accelerometer signal adapted by the the tire-specific information.摘要翻译： 公开了轮胎转弯刚度估计系统和方法。 所述系统（10）包括由安装到轮毂的至少一个车辆轮胎（14）支撑的车辆（12），所述车辆轮胎（14）具有轮胎腔体（22），接地踏面（16）和 多个轮胎特定的可测量参数; 多个安装在轮胎（14）上的轮胎附着传感器（20），用于可操作地测量轮胎特定参数以生成轮胎特定信息; 至少一个加速度计，其安装到所述集线器并且生成集线器加速度计信号; 以及基于模型的轮胎转弯刚度估计器，其可操作以基于所述轮毂加速度计信号和由所述轮胎特定信息调整的所述轮胎特定信息或所述轮毂加速度计信号来生成基于模型的轮胎转弯刚度估计（30）。
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公开(公告)号：EP3028880A1
公开(公告)日：2016-06-08
申请号：EP15196859.1
申请日：2015-11-27
CPC分类号： G01M17/02 , B60C11/243 , B60C19/00 , B60C23/04 , B60C23/0488 , B60C23/06 , B60C23/061 , B60C2019/004 , B60W30/04
摘要： A lift-off propensity predictive system and method is disclosed. The system comprises: a vehicle (10) supported by at least one vehicle tire (12) mounted to a hub, the vehicle tire having a tire cavity (20) and a ground-engaging tread (16), and the tire (12) having a plurality of tire-specific measureable parameters; a tire-affixed tire-identification device (24) for providing a tire-specific identification; a plurality of tire-affixed sensors mounted to the tire (12) for operably measuring the tire-specific parameters and generating tire-specific parameter information; at least one vehicle-affixed sensor mounted to the vehicle for operably measuring vehicle speed (31); a lift-off propensity estimator (42) for operably generating a lift-off propensity for the one vehicle tire (12) from a database containing experimentally-derived, tire-ID specific, lift-off propensities correlated to measured tire-specific parameter information and measured vehicle speed.
摘要翻译： 公开了一种剥离倾向预测系统和方法。 该系统包括：由安装至轮毂的至少一个车辆轮胎（12）支撑的车辆（10），该车辆轮胎具有轮胎腔体（20）和接地胎面（16），并且轮胎（12） 具有多个轮胎特定的可测量参数; 用于提供轮胎特定识别的轮胎附加轮胎识别装置（24） 安装到轮胎（12）上的多个附着轮胎的传感器，用于可操作地测量轮胎特定参数并生成轮胎特定参数信息; 至少一个安装在车辆上的车辆固定传感器，用于可操作地测量车辆速度（31）; （42），其用于从包含与测得的轮胎特定参数信息相关的实验导出的轮胎ID特定的剥离倾向的数据库可操作地生成所述一个车辆轮胎（12）的剥离倾向 并测量车速。
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