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    • 3. 发明申请
    • CHANGE OF MIND SHIFT CONTROL
    • 变更控制变更
    • US20130118850A1
    • 2013-05-16
    • US13293402
    • 2011-11-10
    • Harinath AtmaramWilliam R. Mayhew
    • Harinath AtmaramWilliam R. Mayhew
    • F16H61/04
    • F16H61/0437F16H59/14F16H61/02F16H61/06F16H61/68F16H2306/24Y10T477/638Y10T477/688Y10T477/692
    • A method of controlling shifts in a multi-speed transmission includes beginning an initial shift, which changes the transmission from a starting gear to an initial target gear, and executing an adjusted shift, which changes the transmission to an adjusted target gear having higher speed ratio than the initial target gear, when transition conditions are satisfied. The transition conditions include a threshold increase in torque request, which is sufficient to require the transmission to be placed into the adjusted target gear. The transition conditions also include a common controlling clutch, which is an off-going clutch to place the transmission in the adjusted target gear. Executing the adjusted shift does not include placing the transmission in a neutral mode. Furthermore, executing the adjusted shift does not include completing the initial shift.
    • 一种控制多速变速器换档的方法包括开始初始换档,其将起动档位的变速器改变为初始目标档位,并且执行调整换档,其将变速器改变为具有较高变速比的调整后的目标档位 当初始目标齿轮满足转换条件时。 转换条件包括扭矩请求的阈值增加,这足以使变速器被放置到调整后的目标档位中。 过渡条件还包括一个公共控制离合器,它是一个离合器,用于将变速器置于调整后的目标齿轮中。 执行调整后的换档不包括将变速箱置于空档模式。 此外,执行调整后的移位不包括完成初始班次。
    • 4. 发明授权
    • Change of mind shift control
    • 心灵转移控制的变化
    • US08944957B2
    • 2015-02-03
    • US13293402
    • 2011-11-10
    • Harinath AtmaramWilliam R. Mayhew
    • Harinath AtmaramWilliam R. Mayhew
    • F16H61/04B60W10/06F16H59/14F16H61/02F16H61/68F16H61/06
    • F16H61/0437F16H59/14F16H61/02F16H61/06F16H61/68F16H2306/24Y10T477/638Y10T477/688Y10T477/692
    • A method of controlling shifts in a multi-speed transmission includes beginning an initial shift, which changes the transmission from a starting gear to an initial target gear, and executing an adjusted shift, which changes the transmission to an adjusted target gear having higher speed ratio than the initial target gear, when transition conditions are satisfied. The transition conditions include a threshold increase in torque request, which is sufficient to require the transmission to be placed into the adjusted target gear. The transition conditions also include a common controlling clutch, which is an off-going clutch to place the transmission in the adjusted target gear. Executing the adjusted shift does not include placing the transmission in a neutral mode. Furthermore, executing the adjusted shift does not include completing the initial shift.
    • 一种控制多速变速器换档的方法包括开始初始换档,其将起动档位的变速器改变为初始目标档位,并且执行调整换档,其将变速器改变为具有较高变速比的调整后的目标档位 当初始目标齿轮满足转换条件时。 转换条件包括扭矩请求的阈值增加,这足以使变速器被放置到调整后的目标档位中。 过渡条件还包括一个公共控制离合器,它是一个离合器,用于将变速器置于调整后的目标齿轮中。 执行调整后的换档不包括将变速箱置于空档模式。 此外,执行调整后的移位不包括完成初始班次。
    • 6. 发明申请
    • SYSTEMS AND METODS FOR MEASURING VEHICLE SPEED
    • 用于测量车辆速度的系统和材料
    • US20110088468A1
    • 2011-04-21
    • US12603032
    • 2009-10-21
    • William R. Mayhew
    • William R. Mayhew
    • G01P11/00
    • G01P3/489
    • A system includes a processing module, a sampling module, a period determination module, and a speed determination module. The processing module generates time stamps when pulses are received from a sensor that senses a rotation of a device. The sampling module samples the time stamps during N predetermined intervals and stores N of the time stamps that correspond to the N predetermined intervals, where N is an integer that is greater than 2. The period determination module determines a plurality of periods, wherein each one of the plurality of periods is based on a difference between two of the N time stamps. The speed determination module determines a rotational speed of the device based on a difference between two of the plurality of periods.
    • 系统包括处理模块,采样模块,周期确定模块和速度确定模块。 当从感测装置的旋转的传感器接收到脉冲时,处理模块产生时间戳。 采样模块在N个预定间隔期间对时间标记进行采样,并存储与N个预定间隔对应的时间戳的N,其中N是大于2的整数。周期确定模块确定多个周期,其中每个 多个时间段中的两个之间的差是基于N个时间戳中的两个之间的差。 速度确定模块基于多个周期中的两个之间的差来确定设备的转速。
    • 7. 发明申请
    • VEHICLE COMMUNICATION SYSTEM DIAGNOSTIC USING HAMMING CODE
    • 车辆通信系统诊断使用命令码
    • US20110289390A1
    • 2011-11-24
    • US11860944
    • 2007-09-25
    • William R. Mayhew
    • William R. Mayhew
    • H03M13/19G06F11/10
    • H03M13/19H04L1/0045
    • A control system includes an error calculation module that receives a data bit pattern having a predetermined quantity of data bits and that calculates a binary vector based on a predetermined binary matrix and the data bit pattern. The error calculation module further determines the data bit pattern contains a corrupted data bit when the binary vector is not a predetermined value. The control system further includes a bit position module that receives the binary vector, that locates the corrupted data bit based on the binary vector and that corrects the data bit pattern. The bit position module receives the data bit pattern when the binary number is the predetermined value. The data bits are pre-assigned a base-10 value that corresponds to a data bit position.
    • 控制系统包括错误计算模块,该模块接收具有预定数量的数据位的数据位模式,并且基于预定的二进制矩阵和数据位模式来计算二进制向量。 当二进制矢量不是预定值时,误差计算模块进一步确定数据位模式包含损坏的数据位。 控制系统还包括位位置模块,其接收二进制向量,该二进制向量基于二进制向量定位损坏的数据位,并校正数据位模式。 当二进制数是预定值时,位位置模块接收数据位模式。 数据位被预分配了与数据位位置相对应的基10值。
    • 10. 发明授权
    • Method and system for reducing delay in power downshifts for an automatic transmission
    • 用于减少自动变速器的动力降档延迟的方法和系统
    • US08328685B2
    • 2012-12-11
    • US12567208
    • 2009-09-25
    • William R. MayhewHaytham A. FayyadStephen R. Tokish
    • William R. MayhewHaytham A. FayyadStephen R. Tokish
    • B60W10/00
    • F16H61/061F16H61/686Y10T477/638Y10T477/641Y10T477/6425Y10T477/69367
    • A method and control module for controlling a transmission of a vehicle includes a clutch torque load predictor module generating a predicted clutch torque load signal for the shift command and a minimum clutch pressure module generating a minimum clutch pressure signal corresponding to a minimum clutch pressure. The control module includes a pressure command module generating a commanded clutch pressure signal for the predicted clutch torque load signal based on the minimum clutch pressure signal and commanding operation of a clutch with a commanded clutch pressure signal. The control module also includes a transmission control module generating the shift command after the clutch torque load predictor module generates the predicted clutch signal, the minimum clutch pressure module generates the minimum clutch pressure signal and the pressure command module generates the commanded clutch pressure signal.
    • 用于控制车辆变速器的方法和控制模块包括:离合器扭矩负荷预测器模块,其生成用于换档指令的预测离合器转矩负载信号;以及最小离合器压力模块,其产生对应于最小离合器压力的最小离合器压力信号。 控制模块包括压力指令模块,根据最小离合器压力信号和具有指令的离合器压力信号的离合器的指令操作,产生用于预测的离合器转矩负载信号的指令离合器压力信号。 控制模块还包括在离合器扭矩负载预测器模块产生预测的离合器信号之后产生换档命令的变速器控制模块,最小离合器压力模块产生最小离合器压力信号,并且压力指令模块产生指令的离合器压力信号。