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    • 4. 发明授权
    • Method for estimating transmission input torque
    • 传输输入转矩估算方法
    • US07370516B2
    • 2008-05-13
    • US11285487
    • 2005-11-21
    • Edmond M. Etchason
    • Edmond M. Etchason
    • G01M15/00G01L5/00
    • F16H59/14F16H59/72F16H2059/467
    • A method for estimating transmission input torque is provided. The method includes identifying a plurality of measurable characteristics that influence transmission input torque. Thereafter, transmission input torque values are measured on a sample powertrain operating at a plurality of different combinations of the measurable characteristics. A look-up table including the measured input torque values corresponding to each combination of the measurable characteristics is established and saved onto a vehicle memory device. The vehicle is configured to monitor the status of the measurable characteristics during operation. At any given time, the vehicle can retrieve the measured transmission input torque value corresponding to the status of the monitored measurable characteristics wherein the measured transmission input torque value provides an estimate of the transmission input torque of the vehicle.
    • 提供了一种用于估计变速器输入扭矩的方法。 该方法包括识别影响传输输入转矩的多个可测量特性。 此后,在以可测量特性的多个不同组合操作的样品动力传动系上测量传动输入扭矩值。 包括与可测量特性的每个组合相对应的测量输入扭矩值的查找表被建立并保存在车辆存储装置上。 车辆配置为在运行期间监视可测量特性的状态。 在任何给定时间,车辆可以检索与所监视的可测量特性的状态相对应的测量的传输输入扭矩值,其中所测量的传输输入转矩值提供对车辆的变速器输入扭矩的估计。