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    • 88. 发明授权
    • Method and system to reduce accessory drive belt slip
    • 减少配件传动皮带滑移的方法和系统
    • US08215282B2
    • 2012-07-10
    • US12256872
    • 2008-10-23
    • Mike M. McDonaldWilliam C. Albertson
    • Mike M. McDonaldWilliam C. Albertson
    • F02B67/06H02P9/04
    • B60W30/20B60W10/30B60W2510/0652B60W2540/106F02B67/06
    • A method and a system for reducing belt noise in an engine, wherein the belt is engaged with an alternator includes a transmission upshift detection module determining a transmission upshift or a quickly closing throttle detection module determining a quickly closing throttle. The control module further includes an engine speed prediction module determining a predicted engine speed in response to determining a transmission upshift and an engine deceleration prediction module determining a predicted engine deceleration when the predicted deceleration of the engine crankshaft is greater than a threshold. An alternator control module controls a rotor current in the alternator to add load to the alternator rotor to reduce potential belt noise.
    • 一种用于减少发动机中的带噪声的方法和系统,其中所述带与交流发电机接合,包括确定变速器升档的快速关闭油门检测模块的传动换高速检测模块或确定快速关闭油门的快速关闭油门检测模块。 所述控制模块还包括:发动机速度预测模块,其响应于确定变速器升档而确定预测发动机转速;以及发动机减速预测模块,当所述发动机曲轴的预测减速度大于阈值时,确定所述预测发动机减速度。 交流发电机控制模块控制交流发电机中的转子电流,以增加交流发电机转子的负载,以减少潜在的带噪声。