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    • 8. 发明授权
    • Control for an electromagnetic brake for a multiple-ratio power transmission that has a brake actuation counter
    • 用于具有制动器致动计数器的多比率动力传动的电磁制动器的控制
    • US08057358B2
    • 2011-11-15
    • US11900494
    • 2007-09-12
    • Michael J. HornbrookYeidei Wang
    • Michael J. HornbrookYeidei Wang
    • F16H59/30G06F7/00
    • F16D13/44F16D67/02F16D2121/12F16D2121/20Y10S477/906Y10T477/69335Y10T477/833
    • A control system and method for an electromagnetic clutch brake, including an electromagnetic clutch brake actuator coil surrounding a power input shaft for a multiple-ratio transmission in a vehicle powertrain. A protective circuit of the control system normally monitors data inputs from a databus that may indicate conditions that are not favorable for clutch brake actuation. The protective circuit prevents actuation of the clutch brake under such conditions. In the event the data inputs are not available from the databus, the protective circuit permits operation in a fall-back mode in which a brake ON timer is checked prior to clutch brake actuation. A primary counter is incremented with each normal clutch brake actuation and a secondary counter is incremented with each fall-back clutch brake actuation.
    • 一种用于电磁离合器制动器的控制系统和方法,包括围绕用于车辆动力系中的多比率变速器的动力输入轴的电磁离合器制动器致动器线圈。 控制系统的保护电路通常监视数据总线的数据输入,可能指示不利于离合器制动器致动的条件。 在这种条件下,保护电路可以防止离合器制动器的致动。 在数据总线上不可用数据输入的情况下,保护电路允许在离合器制动器致动之前检查制动器接通定时器的回退模式下操作。 主计数器随着每个正常的离合器制动器致动而增加,并且次级计数器随着每个后退离合器制动器致动而递增。