Road surface condition identification based on statistical pattern recognition
    1.
    发明授权
    Road surface condition identification based on statistical pattern recognition 有权
    基于统计模式识别的路面状况识别

    公开(公告)号:US08306712B2

    公开(公告)日:2012-11-06

    申请号:US12409649

    申请日:2009-03-24

    IPC分类号: G06F7/00 G06F17/00 G06F19/00

    CPC分类号: B60W40/068

    摘要: A method is provided for determining an adhesive condition of a surface of a vehicle road using a statistical pattern recognition technique. A plurality of probability distribution functions is provided representing respective adhesive effects between the vehicle tire of a driven vehicle and the vehicle road. An index is calculated which represents a vehicle understeer characteristic. Probability analysis is applied for each of the road surface adhesive conditions as a function of the index. Each probability analysis is recursively updated. A likelihood factor is determined for each road surface adhesive condition as a function of each respective recursively updated probability analysis. Each respective road surface adhesive condition has a respective likelihood factor that identifies the likelihood of the road surface having the respective adhesive condition as a function of the index. The identified adhesive condition of the road surface is input into a vehicle control process.

    摘要翻译: 提供了一种使用统计模式识别技术来确定车辆道路的表面的粘合状态的方法。 提供了多个概率分布函数,其表示从动车辆的车辆轮胎和车辆道路之间的各自的粘合效果。 计算出代表车辆转向不足转向特性的指标。 作为指标的函数,对每个路面粘合剂条件应用概率分析。 每个概率分析都递归更新。 根据每个递归更新的概率分析,确定每个路面粘合条件的似然因子。 每个相应的路面粘合条件具有各自的似然因子,其识别具有各自的粘合条件的路面的可能性作为指标的函数。 所识别的路面粘合条件被输入到车辆控制过程中。

    MODEL-BASED ROAD SURFACE CONDITION IDENTIFICATION
    2.
    发明申请
    MODEL-BASED ROAD SURFACE CONDITION IDENTIFICATION 审中-公开
    基于模型的道路表面条件识别

    公开(公告)号:US20100100360A1

    公开(公告)日:2010-04-22

    申请号:US12252592

    申请日:2008-10-16

    IPC分类号: G06F17/10

    CPC分类号: B60T8/172 B60T2210/12

    摘要: A method is provided for determining a state of a road condition using a linear model-based estimation technique. Two vehicle reference models are defined to represent vehicles operating under non-slippery and slippery road surfaces respectively. An index that reflects the vehicle understeer characteristics is also defined. Indices are determined from the reference models under the non-slippery road surface, the slippery road surface, and from vehicle sensor measurement, respectively. A first root mean square deviation is calculated between the index of reference model under non-slippery road surface and the index calculated based on sensor measurement. A second root mean square deviation is calculated between the index of reference model under slippery road surface and the index calculated based on sensor measurement. A probability analysis is applied as a function of probability density functions for identifying the condition of the road surface between a non-slippery road surface and a slippery road surface.

    摘要翻译: 提供了一种使用基于线性模型的估计技术来确定道路状况的状态的方法。 两个车辆参考模型被定义为分别在非滑动和滑滑的路面上运行的车辆。 还定义了反映车辆转向不足特性的指标。 指标由不透水路面,路面滑坡和车辆传感器测量的参考模型分别确定。 在非滑动路面的参考模型指标与基于传感器测量计算的指标之间计算出第一均方根偏差。 在滑动路面的参考模型指标与基于传感器测量计算的指标之间计算出第二均方根偏差。 应用概率分析作为概率密度函数的函数,用于识别非滑动路面与滑滑路面之间的路面状况。

    Road Surface Condition Identification Based on Statistical Pattern Recognition
    3.
    发明申请
    Road Surface Condition Identification Based on Statistical Pattern Recognition 有权
    基于统计模式识别的路面状况识别

    公开(公告)号:US20100250086A1

    公开(公告)日:2010-09-30

    申请号:US12409649

    申请日:2009-03-24

    IPC分类号: G06F17/00

    CPC分类号: B60W40/068

    摘要: A method is provided for determining an adhesive condition of a surface of a vehicle road using a statistical pattern recognition technique. A plurality of probability distribution functions is provided representing respective adhesive effects between the vehicle tire of a driven vehicle and the vehicle road. An index is calculated which represents a vehicle understeer characteristic. Probability analysis is applied for each of the road surface adhesive conditions as a function of the index. Each probability analysis is recursively updated. A likelihood factor is determined for each road surface adhesive condition as a function of each respective recursively updated probability analysis. Each respective road surface adhesive condition has a respective likelihood factor that identifies the likelihood of the road surface having the respective adhesive condition as a function of the index. The identified adhesive condition of the road surface is input into a vehicle control process.

    摘要翻译: 提供了一种使用统计模式识别技术来确定车辆道路的表面的粘合状态的方法。 提供了多个概率分布函数,其表示从动车辆的车辆轮胎和车辆道路之间的各自的粘合效果。 计算出代表车辆转向不足转向特性的指标。 作为指标的函数,对每个路面粘合剂条件应用概率分析。 每个概率分析都递归更新。 根据每个递归更新的概率分析,确定每个路面粘合条件的似然因子。 每个相应的路面粘合条件具有各自的似然因子,其识别具有各自的粘合条件的路面的可能性作为指标的函数。 所识别的路面粘合条件被输入到车辆控制过程中。

    Function decomposition and control architecture for complex vehicle control system
    5.
    发明授权
    Function decomposition and control architecture for complex vehicle control system 有权
    复杂车辆控制系统的功能分解与控制架构

    公开(公告)号:US08260498B2

    公开(公告)日:2012-09-04

    申请号:US12606863

    申请日:2009-10-27

    申请人: Weiwen Deng

    发明人: Weiwen Deng

    IPC分类号: A01B69/00

    摘要: A vehicle control architecture designed based on a top-down approach with abstraction and modularity. The control architecture includes a vehicle/environment sensing and perception processor that processes sensor signals, and motion planning processors that provide lane center trajectory planning and tracking command, lane change trajectory planning and tracking command, and forward and backward speed and target tracking command. The architecture also includes a driver command interpreter that interprets driver commands and a command integration processor that provides reference dynamics for vehicle lateral, roll and longitudinal dynamics. The architecture also includes a control integration and supervisory controller that provides control integration and outputs integrated longitudinal force command signals, integrated lateral force command signals, integrated yaw moment command signals and steering torque command signals that are used by a vehicle longitudinal controller and a vehicle lateral controller.

    摘要翻译: 基于抽象和模块化的自上而下的方法设计的车辆控制架构。 控制架构包括处理传感器信号的车辆/环境感知和感知处理器,以及提供车道中心轨迹规划和跟踪命令,车道改变轨迹规划和跟踪命令以及前进和后退速度和目标跟踪命令的运动规划处理器。 该架构还包括一个解释驱动程序命令的驱动程序命令解释器和一个为车辆横向,纵向和纵向动力学提供参考动力学的命令集成处理器。 该架构还包括控制集成和监控控制器,其提供控制集成并输出集成纵向力指令信号,集成横向力指令信号,积分横摆力矩指令信号和由车辆纵向控制器和车辆侧面使用的转向扭矩指令信号 控制器。

    Vehicle dynamics prediction with lane/path information using a preview-correction-prediction approach
    6.
    发明授权
    Vehicle dynamics prediction with lane/path information using a preview-correction-prediction approach 有权
    使用预览校正预测方法的车道/路径信息的车辆动力学预测

    公开(公告)号:US08078373B2

    公开(公告)日:2011-12-13

    申请号:US12275978

    申请日:2008-11-21

    IPC分类号: G06F17/00

    摘要: A method for predicting the dynamics of a vehicle using information about the path on which the vehicle is travelling that has particular application for enhancing active safety performance of the vehicle, to improve driver comfort and to improve vehicle dynamics control. The method includes generating a preview of a path to be followed by the vehicle where the preview of the path is generated based on actual values of a plurality of vehicle parameters. The method further includes obtaining a corrected value of at least one of the plurality of vehicle parameters corresponding to the actual values of each of the plurality of vehicle parameters, wherein the corrected value of the at least one of the vehicle parameters is obtained based on a target path to be followed by the vehicle on the road, and wherein the target path is obtained on the basis of a plurality of road parameters.

    摘要翻译: 使用关于车辆行驶的路径的信息来预测车辆的动力学的方法,其具有用于增强车辆的主动安全性能的特定应用,以提高驾驶员舒适性并改善车辆动态控制。 该方法包括基于多个车辆参数的实际值生成路径预览所遵循的路径的预览。 所述方法还包括获得与所述多个车辆参数中的每一个的实际值相对应的所述多个车辆参数中的至少一个的校正值,其中,所述车辆参数中的所述至少一个车辆参数的校正值基于 在道路上跟随车辆的目标路径,并且其中基于多个道路参数获得目标路径。

    FUNCTION DECOMPOSITION AND CONTROL ARCHITECTURE FOR COMPLEX VEHICLE CONTROL SYSTEM
    7.
    发明申请
    FUNCTION DECOMPOSITION AND CONTROL ARCHITECTURE FOR COMPLEX VEHICLE CONTROL SYSTEM 有权
    复杂车辆控制系统的功能分解和控制架构

    公开(公告)号:US20110098886A1

    公开(公告)日:2011-04-28

    申请号:US12606863

    申请日:2009-10-27

    申请人: Weiwen Deng

    发明人: Weiwen Deng

    摘要: A vehicle control architecture designed based on a top-down approach with abstraction and modularity. The control architecture includes a vehicle/environment sensing and perception processor that processes sensor signals, and motion planning processors that provide lane center trajectory planning and tracking command, lane change trajectory planning and tracking command, and forward and backward speed and target tracking command. The architecture also includes a driver command interpreter that interprets driver commands and a command integration processor that provides reference dynamics for vehicle lateral, roll and longitudinal dynamics. The architecture also includes a control integration and supervisory controller that provides control integration and outputs integrated longitudinal force command signals, integrated lateral force command signals, integrated yaw moment command signals and steering torque command signals that are used by a vehicle longitudinal controller and a vehicle lateral controller.

    摘要翻译: 基于抽象和模块化的自上而下的方法设计的车辆控制架构。 控制架构包括处理传感器信号的车辆/环境感知和感知处理器,以及提供车道中心轨迹规划和跟踪命令,车道改变轨迹规划和跟踪命令以及前进和后退速度和目标跟踪命令的运动规划处理器。 该架构还包括一个解释驱动程序命令的驱动程序命令解释器和一个为车辆横向,纵向和纵向动力学提供参考动力学的命令集成处理器。 该架构还包括控制集成和监控控制器,其提供控制集成并输出集成纵向力指令信号,集成横向力指令信号,积分横摆力矩指令信号和由车辆纵向控制器和车辆侧面使用的转向扭矩指令信号 控制器。

    METHOD FOR TREATING OR PREVENTING RADIATION DAMAGE BY IN VIVO GENE THERAPY
    8.
    发明申请
    METHOD FOR TREATING OR PREVENTING RADIATION DAMAGE BY IN VIVO GENE THERAPY 审中-公开
    用于通过基因治疗方法治疗或预防辐射损伤的方法

    公开(公告)号:US20110082191A1

    公开(公告)日:2011-04-07

    申请号:US12999403

    申请日:2009-06-26

    IPC分类号: A61K48/00 A61K31/7088

    摘要: The current embodiment provides a method and gene therapy for treating or preventing radiation damage using a vector carrying a gene for extracellular superoxide dismutase (ECSOD). The gene therapy can be used to treat a patient with an effective amount of the therapy to limit damage resulting from exposure to radiation and radiation-like damage.

    摘要翻译: 目前的实施方案提供了使用携带细胞外超氧化物歧化酶(ECSOD)的基因的载体来治疗或预防辐射损伤的方法和基因治疗。 基因治疗可用于治疗患有有效量的治疗的患者以限制由于暴露于辐射和类辐射损伤而引起的损伤。

    Method and apparatus for driver hands off detection for vehicles with active front steering system
    9.
    发明授权
    Method and apparatus for driver hands off detection for vehicles with active front steering system 有权
    用于具有主动前转向系统的车辆的驾驶员关闭检测的方法和装置

    公开(公告)号:US07912665B2

    公开(公告)日:2011-03-22

    申请号:US12275831

    申请日:2008-11-21

    IPC分类号: G06F15/00

    摘要: A system and method for detecting the absence of contact between the hands of a driver of a vehicle and a steering wheel of the vehicle that have particular application in ensuring the proper functioning of various components of the driver assist steering systems and maintaining driver attentiveness. The method for detecting a no-contact condition between the hands of the driver of the vehicle and the steering wheel includes generating a model of the no-contact condition using a second-order transfer function. The method further includes obtaining a set of model-generated steering dynamics by estimating a plurality of parameters of the second-order transfer function and a set of measured steering dynamics using a plurality of sensors. The set of model-generated steering dynamics and the set of measured steering dynamics are then compared and the no-contact condition is detected based on this comparison.

    摘要翻译: 一种用于检测车辆驾驶员的手与车辆方向盘之间没有接触的系统和方法,其特别适用于确保驾驶员的各个部件的正常功能,辅助转向系统和维持驾驶员的注意力。 用于检测车辆驾驶员的手与方向盘之间的无接触状态的方法包括使用二阶传递函数生成无接触状态的模型。 该方法还包括通过使用多个传感器估计二阶传递函数的多个参数和一组测量的转向动力学来获得一组模型生成的转向动力学。 然后比较一组模型生成的转向动力学和一组测量的转向动力学,并且基于该比较来检测无接触状态。

    Vehicle-trailer stability and handling performance improvement using rear-wheel steering control
    10.
    发明授权
    Vehicle-trailer stability and handling performance improvement using rear-wheel steering control 有权
    使用后轮转向控制的车辆拖车稳定性和操纵性能提升

    公开(公告)号:US07640089B2

    公开(公告)日:2009-12-29

    申请号:US11100016

    申请日:2005-04-06

    IPC分类号: B62D5/02

    CPC分类号: B62D7/159 B62D6/003 B62D13/00

    摘要: A vehicle steering control system for a vehicle/trailer combination that provides rear-wheel steering assist to improve the vehicle/trailer combination stability and handling performance. The control system provides an open-loop feed-forward control signal based on hand-wheel angle and vehicle speed. The control system includes a vehicle yaw rate command interpreter that provides a vehicle closed-loop feedback control signal based on the yaw rate of the vehicle, a trailer yaw rate command interpreter that provides a trailer closed-loop feedback control signal based on the yaw rate of the trailer, and a vehicle lateral acceleration command interpreter that provides a closed-loop feedback control signal based on the lateral acceleration of the vehicle. The closed-loop feedback signals are added together and then combined with the open-loop feed-forward control signal to provide the rear-wheel steering assist.

    摘要翻译: 一种用于车辆/拖车组合的车辆转向控制系统,其提供后轮转向辅助以改善车辆/拖车组合的稳定性和操纵性能。 控制系统基于手轮角度和车速提供开环前馈控制信号。 控制系统包括车辆横摆速度命令解释器,其基于车辆的横摆角速度提供车辆闭环反馈控制信号;拖车横摆速度命令解释器,其基于横摆率提供拖车闭环反馈控制信号 以及车辆横向加速度指令解释器,其基于车辆的横向加速度提供闭环反馈控制信号。 将闭环反馈信号加在一起,然后与开环前馈控制信号相结合,以提供后轮转向辅助。