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公开(公告)号:US08308609B2
公开(公告)日:2012-11-13
申请号:US12814550
申请日:2010-06-14
申请人: Shawn A. Holland , Ralph S. Walker , George Herr , Jeffrey J. Tumavitch , Bradley D. Riedle , Steven C. Meisner , Hong Jiang , Matthew J. Shelton
发明人: Shawn A. Holland , Ralph S. Walker , George Herr , Jeffrey J. Tumavitch , Bradley D. Riedle , Steven C. Meisner , Hong Jiang , Matthew J. Shelton
CPC分类号: F16H61/0403 , B60W10/02 , B60W10/06 , B60W10/113 , B60W30/19 , F16H63/46 , F16H2061/0496 , F16H2306/54 , F16H2342/044 , Y10T477/6403
摘要: A method for controlling a power-off downshift in a powershift transmission includes disengaging the current gear, synchronizing engine speed and a speed of the target gear layshaft by increasing a torque capacity of the target gear clutch, disengaging the clutch, engaging the target gear, and reengaging the clutch.
摘要翻译: 用于控制动力换挡变速器中的断电降档的方法包括通过增加目标齿轮离合器的扭矩能力,使离合器脱离接合目标齿轮,使当前齿轮脱离接合,同步发动机转速和目标齿轮副轴的速度, 并重新启动离合器。
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公开(公告)号:US20110306464A1
公开(公告)日:2011-12-15
申请号:US12814550
申请日:2010-06-14
申请人: Shawn A. Holland , Ralph S. Walker , George Herr , Jeffrey J. Tumavitch , Bradley D. Riedle , Steven C. Meisner , Hong Jiang , Matthew J. Shelton
发明人: Shawn A. Holland , Ralph S. Walker , George Herr , Jeffrey J. Tumavitch , Bradley D. Riedle , Steven C. Meisner , Hong Jiang , Matthew J. Shelton
CPC分类号: F16H61/0403 , B60W10/02 , B60W10/06 , B60W10/113 , B60W30/19 , F16H63/46 , F16H2061/0496 , F16H2306/54 , F16H2342/044 , Y10T477/6403
摘要: A method for controlling a power-off downshift in a powershift transmission includes disengaging the current gear, synchronizing engine speed and a speed of the target gear layshaft by increasing a torque capacity of the target gear clutch, disengaging the clutch, engaging the target gear, and reengaging the clutch.
摘要翻译: 用于控制动力换挡变速器中的断电降档的方法包括通过增加目标齿轮离合器的扭矩能力,使离合器脱离接合目标齿轮,使当前齿轮脱离啮合,同步发动机转速和目标齿轮副轴的速度, 并重新启动离合器。
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公开(公告)号:US20130184945A1
公开(公告)日:2013-07-18
申请号:US13348758
申请日:2012-01-12
IPC分类号: F16H61/26
CPC分类号: F16H61/28 , F16H2061/2823 , F16H2061/2869 , F16H2342/042
摘要: A method of adapting transmission controls to locate synchronizer touch points in an automated layshaft transmission. This method may include actuating a motor to move a shift drum along a layshaft at an essentially constant speed; measuring a feedback current as the motor moves the shift drum; detecting a first spike in feedback current adjacent to a second spike in feedback current for a gear; determining a shift drum angle for the first spike; and adjusting a transmission controller to set a synchronizer touch point at a shift drum angle adjacent to the first feedback current spike for the gear.
摘要翻译: 一种适应变速器控制以在自动副轴传动装置中定位同步器接触点的方法。 该方法可以包括致动马达以基本恒定的速度沿着副轴移动换档鼓; 当电动机移动换档鼓时,测量反馈电流; 检测与齿轮的反馈电流中的第二尖峰相邻的反馈电流的第一尖峰; 确定第一尖峰的换档鼓角度; 以及调整变速器控制器以在与所述齿轮的所述第一反馈电流尖峰相邻的换档鼓角处设置同步器接触点。
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公开(公告)号:US09423024B2
公开(公告)日:2016-08-23
申请号:US13348758
申请日:2012-01-12
CPC分类号: F16H61/28 , F16H2061/2823 , F16H2061/2869 , F16H2342/042
摘要: A method of adapting transmission controls to locate synchronizer touch points in an automated layshaft transmission. This method may include actuating a motor to move a shift drum along a layshaft at an essentially constant speed; measuring a feedback current as the motor moves the shift drum; detecting a first spike in feedback current adjacent to a second spike in feedback current for a gear; determining a shift drum angle for the first spike; and adjusting a transmission controller to set a synchronizer touch point at a shift drum angle adjacent to the first feedback current spike for the gear.
摘要翻译: 一种适应变速器控制以在自动副轴传动装置中定位同步器接触点的方法。 该方法可以包括致动马达以基本恒定的速度沿着副轴移动换档鼓; 当电动机移动换档鼓时,测量反馈电流; 检测与齿轮的反馈电流中的第二尖峰相邻的反馈电流的第一尖峰; 确定第一尖峰的换档鼓角度; 以及调整变速器控制器以在与所述齿轮的所述第一反馈电流尖峰相邻的换档鼓角处设置同步器接触点。
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