公开(公告)号：US07694555B2

公开(公告)日：2010-04-13

申请号：US12036675

申请日：2008-02-25

申请人： Mark N. Howell ,  John P. Whaite, Jr. ,  Phanu Amatyakul ,  Yuen-Kwok Chin ,  Mutasim A. Salman ,  Chih-Hung Yen ,  Mark T. Riefe

发明人： Mark N. Howell ,  John P. Whaite, Jr. ,  Phanu Amatyakul ,  Yuen-Kwok Chin ,  Mutasim A. Salman ,  Chih-Hung Yen ,  Mark T. Riefe

IPC分类号： G01M17/00

CPC分类号： B60T17/221 ,  F16D2066/006

摘要： A method for providing an estimate of brake pad thickness. The method employs fusion of sensors, if used, and driver brake modeling to predict the vehicle brake pad life. An algorithm is employed that uses various inputs, such as brake pad friction material properties, brake pad cooling rate, brake temperature, vehicle mass, road grade, weight distribution, brake pressure, brake energy, braking power, etc. to provide the estimation. The method calculates brake work using total work minus losses, such as aerodynamic drag resistance, engine braking and/or braking power as braking torque times velocity divided by rolling resistance to determine the brake rotor and lining temperature. The method then uses the brake temperature to determine the brake pad wear, where the wear is accumulated for each braking event. A brake pad sensor can be included to provide one or more indications of brake pad thickness from which the estimation can be revised.

摘要翻译： 一种用于提供制动衬块厚度的估计的方法。 该方法采用传感器的融合（如果使用），以及驾驶员制动器建模来预测车辆刹车片的寿命。 采用了诸如刹车片摩擦材料特性，刹车片冷却速度，制动温度，车辆质量，道路等级，重量分配，制动压力，制动能量，制动功率等各种输入的算法来提供估计。 该方法通过制动转矩乘以速度除以滚动阻力来确定制动转子和衬里温度，使用总工作减去损耗（如气动阻力，发动机制动和/或制动功率）来计算制动作业。 然后，该方法使用制动器温度来确定制动片磨损，其中每次制动事件都会累积磨损。 可以包括制动衬块传感器以提供制动衬块厚度的一个或多个指示，从中可以修改估计值。

公开(公告)号：US20100023216A1

公开(公告)日：2010-01-28

申请号：US12179101

申请日：2008-07-24

申请人： Jihua Huang ,  William C. Lin ,  Yuen-Kwok Chin

发明人： Jihua Huang ,  William C. Lin ,  Yuen-Kwok Chin

IPC分类号： B62D6/00

CPC分类号： B62D6/007 ,  B60W40/09

摘要： An adaptive vehicle control system that classifies a driver's driving style based on left/right-turn maneuvers. A process determines if the vehicle has started a turn if the yaw rate is greater than a first yaw rate threshold, and determines a vehicle heading angle based on the yaw rate and a sampling time if the vehicle has started a turn. The process then determines whether the vehicle maneuver has been completed by determining if the yaw rate is less than a second yaw rate threshold. The process then determines that the completed maneuver was a left/right-turn maneuver if the yaw rate is less than a third yaw rate threshold over the sampling time and the vehicle heading angle is within a heading angle range for a time period less than a predetermined time threshold. In one non-limiting embodiment, the heading angle range is between 75° and 105°.

摘要翻译： 一种自适应车辆控制系统，其基于左/右转动作来对驾驶员的驾驶风格进行分类。 如果偏航率大于第一横摆速度阈值，则判定车辆是否开始转弯，并且如果车辆开始转弯，则基于偏航率和采样时间确定车辆行驶角度。 然后，该过程通过确定横摆率是否小于第二偏转角速度阈值来确定车辆操纵是否已经完成。 然后，该过程确定如果在采样时间之后偏航率小于第三偏航角速度阈值，则完成的操纵是左/右转动作，并且车辆行驶角度在小于等于 预定时间阈值。 在一个非限制性实施例中，航向角范围在75°和105°之间。

公开(公告)号：US20100023183A1

公开(公告)日：2010-01-28

申请号：US12179314

申请日：2008-07-24

申请人： Jihua Huang ,  William C. Lin ,  Yuen-Kwok Chin

发明人： Jihua Huang ,  William C. Lin ,  Yuen-Kwok Chin

IPC分类号： G06F17/00

CPC分类号： B60W30/12 ,  B60W40/09

摘要： A vehicle control system that classifies a driver's driving style based on characteristic maneuvers. The system includes a plurality of vehicle sensors that detect various vehicle parameters. A maneuver identification processor receives the sensor signals to identify a characteristic maneuver of the vehicle and provides a maneuver identifier signal of the maneuver. A style characterization processor receives the maneuver identifier signals, sensor signals from the vehicle sensors and the traffic and road condition signals, and classifies driving style based on the signals to classify the style of the driver driving the vehicle. The classification of the driver style can be provided for a level-1 combination that combines the classification results from different maneuver type classifiers for a single maneuver, a level-2 combination that combines the classification results from multiple maneuvers that are of the same type and a level-3 combination that combines the classification results from different types of characteristic maneuvers.

摘要翻译： 一种车辆控制系统，其基于特征机动来分类驾驶员的驾驶风格。 该系统包括检测各种车辆参数的多个车辆传感器。 机动识别处理器接收传感器信号以识别车辆的特征操纵并提供操纵的操纵标识符信号。 风格表征处理器接收机动标识符信号，来自车辆传感器的传感器信号以及交通和道路状态信号，并且基于信号对驾驶风格进行分类，以分类驾驶车辆的驾驶员的风格。 驾驶员风格的分类可以提供给一级组合，其将来自不同机动类型分类器的分类结果组合为单个机动，组合来自相同类型的多个演习的分类结果的二级组合;以及 一个三级组合，结合了不同类型的特征机动的分类结果。

公开(公告)号：US20100019880A1

公开(公告)日：2010-01-28

申请号：US12179228

申请日：2008-07-24

申请人： Jihua Huang ,  William C. Lin ,  Yuen-Kwok Chin

发明人： Jihua Huang ,  William C. Lin ,  Yuen-Kwok Chin

IPC分类号： G06F7/00

CPC分类号： G07C5/085

摘要： An adaptive vehicle control system that classifies a driver's driving style based on characteristic maneuvers and road and traffic conditions. The system includes a plurality of vehicle sensors that detect various vehicle parameters. A maneuver identification processor receives the sensor signals to identify a characteristic maneuver of the vehicle and provides a maneuver identifier signal of the maneuver. The system also includes a traffic condition recognition processor that receives the sensor signals, and provides traffic condition signals identifying traffic conditions. A style characterization processor receives the maneuver identifier signals, sensor signals from the vehicle sensors and the traffic condition signals, and classifies driving style based on the signals to classify the style of the driver driving the vehicle.

摘要翻译： 一种自适应车辆控制系统，其基于特征机动和道路和交通状况对驾驶员的驾驶风格进行分类。 该系统包括检测各种车辆参数的多个车辆传感器。 机动识别处理器接收传感器信号以识别车辆的特征操纵并提供操纵的操纵标识符信号。 该系统还包括接收传感器信号的交通状况识别处理器，并提供识别交通状况的交通状况信号。 风格表征处理器接收机动标识符信号，来自车辆传感器的传感器信号和交通状况信号，并且基于信号对驾驶风格进行分类，以分类驾驶车辆的驾驶员的风格。

公开(公告)号：US20080236269A1

公开(公告)日：2008-10-02

申请号：US12036675

申请日：2008-02-25

申请人： Mark N. Howell ,  John P. Whaite ,  Phanu Amatyakul ,  Yuen-Kwok Chin ,  Mutasim A. Salman ,  Chih-Hung Yen ,  Mark T. Riefe

发明人： Mark N. Howell ,  John P. Whaite ,  Phanu Amatyakul ,  Yuen-Kwok Chin ,  Mutasim A. Salman ,  Chih-Hung Yen ,  Mark T. Riefe

IPC分类号： G01L5/28

CPC分类号： B60T17/221 ,  F16D2066/006

摘要： A method for providing an estimate of brake pad thickness. The method employs fusion of sensors, if used, and driver brake modeling to predict the vehicle brake pad life. An algorithm is employed that uses various inputs, such as brake pad friction material properties, brake pad cooling rate, brake temperature, vehicle mass, road grade, weight distribution, brake pressure, brake energy, braking power, etc. to provide the estimation. The method calculates brake work using total work minus losses, such as aerodynamic drag resistance, engine braking and/or braking power as braking torque times velocity divided by rolling resistance to determine the brake rotor and lining temperature. The method then uses the brake temperature to determine the brake pad wear, where the wear is accumulated for each braking event. A brake pad sensor can be included to provide one or more indications of brake pad thickness from which the estimation can be revised.

摘要翻译： 一种用于提供制动衬块厚度的估计的方法。 该方法采用传感器的融合（如果使用），以及驾驶员制动器建模来预测车辆刹车片的寿命。 采用了诸如刹车片摩擦材料特性，刹车片冷却速度，制动温度，车辆质量，道路等级，重量分配，制动压力，制动能量，制动功率等各种输入的算法来提供估计。 该方法通过制动转矩乘以速度除以滚动阻力来确定制动转子和衬里温度，使用总工作减去损耗（如气动阻力，发动机制动和/或制动功率）来计算制动作业。 然后，该方法使用制动器温度来确定制动片磨损，其中每次制动事件都会累积磨损。 可以包括制动衬块传感器以提供制动衬块厚度的一个或多个指示，从中可以修改估计值。

公开(公告)号：US20070213886A1

公开(公告)日：2007-09-13

申请号：US11372807

申请日：2006-03-10

申请人： Yilu Zhang ,  William Lin ,  Yuen-Kwok Chin

发明人： Yilu Zhang ,  William Lin ,  Yuen-Kwok Chin

IPC分类号： G05D1/00

CPC分类号： B62D6/007 ,  B60W30/12 ,  B60W40/09 ,  B60W2520/105 ,  B60W2520/125 ,  B60W2520/14 ,  B60W2540/12 ,  B60W2550/402

摘要： A driver handling skill recognition system and related algorithm that identifies a driver skill level. The system includes a steering wheel angle processor responsive to a steering wheel angle signal that provides normalized DFT coefficients. The system also includes at least one feed-forward artificial neural network (FF-ANN) responsive to the normalized DFT coefficients, where the FF-ANN provides an output signal indicative of the driver skill level. In one embodiment, the system includes a plurality of FF-ANNs one for each of a plurality of different vehicle maneuvers. The system includes a maneuver identifier that identifies a vehicle maneuver. The system selects the output from one of the FF-ANNs depending on the identified maneuver. In an alternate embodiment, the system can include a single FF-ANN designed for a plurality of vehicle maneuvers.

摘要翻译： 处理技能识别系统和相关算法的司机识别驾驶员技能水平。 该系统包括响应于提供标准化DFT系数的方向盘角度信号的方向盘角度处理器。 该系统还包括响应于归一化DFT系数的至少一个前馈人造神经网络（FF-ANN），其中FF-ANN提供指示驾驶员技能水平的输出信号。 在一个实施例中，系统包括多个不同车辆操纵中的每一个的多个FF-ANN。 该系统包括识别车辆操纵的操纵标识符。 系统根据识别的机动来选择其中一个FF-ANN的输出。 在替代实施例中，系统可以包括为多个车辆操纵而设计的单个FF-ANN。

公开(公告)号：US20060103511A1

公开(公告)日：2006-05-18

申请号：US10987556

申请日：2004-11-12

申请人： Yong Lee ,  Weiwen Deng ,  Yuen-Kwok Chin ,  William Lin

发明人： Yong Lee ,  Weiwen Deng ,  Yuen-Kwok Chin ,  William Lin

IPC分类号： G08B21/00

CPC分类号： B62D5/008 ,  B62D6/002 ,  B62D13/06 ,  B62D15/027

摘要： A vehicle-trailer back-up control system that employs an active front steer sub-system. The system includes a smart hitch controller that receives a vehicle speed signal and a hand-wheel angle signal, and calculates a hitch angle command signal. The system further includes a hitch angle sensor that measures the hitch angle between the vehicle and the trailer that is compared to the hitch angle command signal to generate a hitch angle error signal. A PID control unit receives the hitch angle error signal, and generates a corrected road wheel angle signal based on proportional and derivative gains. The corrected road wheel angle signal is used to generate a motor angle signal that is applied to a steering actuator to be combined with the steering angle signal to generate the front wheel steering signal during a back-up maneuver.

公开(公告)号：US06580988B2

公开(公告)日：2003-06-17

申请号：US09992505

申请日：2001-11-06

申请人： William Chin-Woei Lin ,  Yuen-Kwok Chin ,  Weiwen Deng ,  Scott P. Sherman ,  Paul A. Grougan ,  Eugene A. Rodden

发明人： William Chin-Woei Lin ,  Yuen-Kwok Chin ,  Weiwen Deng ,  Scott P. Sherman ,  Paul A. Grougan ,  Eugene A. Rodden

IPC分类号： B62D504

CPC分类号： B62D7/159

摘要： A method is disclosed for controlling the rear wheel angle in a four-wheel steering vehicle such as a pickup truck. The front wheels are steered using the conventional operator handwheel linked to the front wheels. The rear wheels are actuated with a reversible electric motor and the rear wheel angle controlled using a computer with inputs of vehicle velocity, operator handwheel position and correlated front wheel angle, and handwheel turning rate. Control of rear wheel angle starts with a correlation of ratios of rear wheel angle to front wheel angle, R/F, vs. vehicle velocity suitable, determined under steady state front steering angle and velocity conditions, to maximize the contribution of the rear wheels while avoiding side-slip of the vehicle. It is found that driver steering feel and vehicle maneuverability is improved by imposing a minimum front wheel angle requirement before rear wheel steering is permitted and by modifying the current value of R/F with gain factors base d on the hand wheel angle and rate of motion.

摘要翻译： 公开了一种用于控制诸如皮卡车之类的四轮转向车辆中的后轮角度的方法。 使用与前轮连接的常规操作手轮来转向前轮。 后轮由可逆电动机驱动，后轮角度使用具有车速，操作手轮位置和相关前轮角度以及手轮转速的输入的计算机进行控制。 后轮角度的控制开始于在稳态前转向角和速度条件下确定的后轮角度与前轮角度R / F与适合的车速之比的相关性，以最大化后轮的贡献， 避免车辆侧滑。 发现驾驶员转向感和车辆机动性通过在允许后轮转向之前施加最小前轮角度要求而得到改善，并且通过以手轮角度和运动速度为基础的增益因子d修改R / F的当前值 。

公开(公告)号：US06325469B1

公开(公告)日：2001-12-04

申请号：US09230816

申请日：1999-09-07

申请人： Douglass L Carson ,  Ronald Paul ,  Michael D Rizzo ,  Stephen R Pastor ,  Duane E Bassett ,  Hsien H Chen ,  Yuen-Kwok Chin ,  Youssef A Ghoneim ,  Hong X Hu ,  Alan J Lee ,  William C Lin ,  Michael P Turski

发明人： Douglass L Carson ,  Ronald Paul ,  Michael D Rizzo ,  Stephen R Pastor ,  Duane E Bassett ,  Hsien H Chen ,  Yuen-Kwok Chin ,  Youssef A Ghoneim ,  Hong X Hu ,  Alan J Lee ,  William C Lin ,  Michael P Turski

IPC分类号： B60T824

CPC分类号： B60T8/1755

摘要： A brake system control for use in a vehicle with four wheels comprising the steps of: determining a desired yaw rate (454); determining a yaw torque command responsive to the desired yaw rate (806); if the vehicle is in an anti-lock braking mode during driver commanded braking, applying the yaw torque command to only one of the four wheels to release brake pressure in said one of the four wheels (258-266, 274, 278, 280, 410-418); if the vehicle is in a positive acceleration traction control mode during driver commanded acceleration, applying the yaw torque command to only one of the four wheels to apply brake pressure in said one of the four wheels (258-266, 288-292, 410-418); and if the vehicle is not in the anti-lock braking mode or in the positive acceleration traction control mode, then: (i) determining whether a vehicle brake pedal is depressed (370); (ii) if the vehicle brake pedal is depressed, applying brake force to the vehicle wheels responsive to the depression of the brake pedal (374, 412, 418), wherein the applied brake force is modified to at least two of the vehicle wheels to create a left-right brake torque differential responsive to the yaw torque command.

摘要翻译： 一种用于具有四个车轮的车辆的制动系统控制器，包括以下步骤：确定期望的偏航率（454）; 响应于所需的偏航率（806）确定偏航扭矩指令; 如果车辆在驾驶员指令制动期间处于防抱死制动模式，则将偏航转矩指令应用于四个车轮中的一个车轮，以释放所述四个车轮（258-266,274,278,280,280）中的一个车轮中的制动压力， 410-418）; 如果车辆在驾驶员指令加速期间处于正加速牵引力控制模式，则将偏航转矩指令仅施加到四个车轮中的一个车轮上，以将四个车轮（258-266,288-292,410- 418）; 并且如果车辆不处于防抱死制动模式或正加速牵引力控制模式，则：（i）确定车辆制动踏板是否被压下（370）; （ii）如果所述车辆制动踏板被压下，则响应于所述制动踏板（374,412,418）的下压而向所述车辆车轮施加制动力，其中所施加的制动力被修改为所述车辆车轮中的至少两个， 响应于偏航扭矩命令产生左右制动扭矩差。

公开(公告)号：US06169951A

公开(公告)日：2001-01-02

申请号：US09138335

申请日：1998-08-21

申请人： Youssef Ahmed Ghoneim ,  Yuen-Kwok Chin

发明人： Youssef Ahmed Ghoneim ,  Yuen-Kwok Chin

IPC分类号： B60T832

CPC分类号： B60T8/17551 ,  B60T8/172 ,  B60T2250/03 ,  B60T2270/313

摘要： An improved vehicle active brake control based on an estimate of vehicle yaw rate, wherein the estimate is based on the speeds of the un-driven wheels, but compensated to reflect slipping of the un-driven wheels during braking. Prior to braking, the yaw rate is estimated solely on the basis of the measured speeds of the un-driven wheels. During braking, the slip speeds of the un-driven wheels are estimated based on the measured speeds, the reference speed of the vehicle and the previous estimate of yaw rate, and used to compute a new yaw rate that is compensated for the estimated slip speeds.

摘要翻译： 基于车辆偏航率的估计的改进的车辆主动制动控制，其中所述估计基于未驱动的车轮的速度，但被补偿以反映制动期间未驱动车轮的滑动。 在制动之前，仅基于未驱动轮的测量速度来估计偏航率。 在制动期间，非驱动轮的滑移速度基于所测量的速度，车辆的参考速度和偏航率的先前估计值来估计，并且用于计算补偿估计滑移速度的新的横摆率 。