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System for controlling engaging and disengaging operations of releasable coupling device placed in automotive power train
System for controlling engaging and disengaging operations of releasable coupling device placed in automotive power train
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机译:用于控制置于汽车动力总成中的可释放联接装置的接合和分离操作的系统
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摘要
A releasable coupling (3d) control system in combination with an electronic engine control unit (18) executable a fuel cutoff mode during vehicle deceleration and re-startable a fuel-supply recovery mode as soon as an engine speed (NE) drops below a predetermined threshold value (NFCR), for controlling engaging and disengaging operations of a releasable coupling device (3d) placed in an automotive power train between an engine and drive wheels, comprises a wheel-speed sensor (13) for detecting a drive-wheel speed to generate a drive-wheel speed indicative signal, and a controller (19) being configured to be responsive to the drive-wheel speed indicative signal for moderately releasing the releasable coupling device at a moderate turn-off mode when the drive-wheel speed indicative signal value drops below a first predetermined value (VOFF1), and for quickly releasing the releasable coupling device at a quick turn-off mode when the drive-wheel speed indicative signal value drops below a second predetermined value (VOFF2).
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