公开(公告)号：US20150369364A1

公开(公告)日：2015-12-24

申请号：US14313063

申请日：2014-06-24

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： David H. Vu ,  Xuefeng Tim Tao ,  Jayson S. Schwalm ,  Craig J. Hawkins ,  Jeryl McIver

IPC: F16H61/688 ,  F16D48/06

CPC classification number: F16H61/688 ,  F16D48/06 ,  F16D2500/10412 ,  F16D2500/1045 ,  F16D2500/3026 ,  F16D2500/30425 ,  F16D2500/3067 ,  F16D2500/30806 ,  F16D2500/50236 ,  F16D2500/50281 ,  F16D2500/50287 ,  F16D2500/5045 ,  F16D2500/70264 ,  F16D2500/7041 ,  F16D2500/70605 ,  F16D2500/70626 ,  F16H2342/042

Abstract: A method for learning the bite point of a position-controlled clutch in a vehicle having an engine and a transmission includes commanding an engagement of a clutch fork via a controller when the transmission is in park and the engine is idling. The method also includes controlling an apply position of the clutch via the controller, calculating a clutch torque capacity of the clutch, and measuring the apply position via a position sensor. The apply position is recorded as the clutch bite point when the calculated clutch torque capacity equals a calibrated clutch torque capacity. The transmission is then controlled using the recorded clutch bite point. A system includes the transmission, input clutches, and a controller configured to execute the method. A vehicle includes an engine, the transmission, the position-controlled input clutch, and the controller, as well as a clutch position sensor.

Abstract translation: 用于学习具有发动机和变速器的车辆中的位置控制的离合器的咬点的方法包括当变速器处于停车状态并且发动机空转时通过控制器指令离合器拨叉的接合。 该方法还包括经由控制器控制离合器的施加位置，计算离合器的离合器扭矩能力，以及经由位置传感器测量施加位置。 当计算的离合器扭矩容量等于校准的离合器扭矩容量时，应用位置记录为离合器咬合点。 然后使用记录的离合器咬点控制变速箱。 系统包括传输，输入离合器和被配置为执行该方法的控制器。 车辆包括发动机，变速器，位置控制输入离合器和控制器以及离合器位置传感器。

公开(公告)号：US20160033034A1

公开(公告)日：2016-02-04

申请号：US14448272

申请日：2014-07-31

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Christopher Jay Weingartz ,  Matthew D. Whitton ,  Xuefeng Tim Tao ,  Craig J. Hawkins

IPC: F16H61/688 ,  F16H59/38 ,  F16H59/44 ,  F16H61/04 ,  F16H59/68

CPC classification number: F16H61/688 ,  F16H59/38 ,  F16H59/44 ,  F16H59/46 ,  F16H59/68 ,  F16H61/0403 ,  F16H2059/6823 ,  F16H2061/0087 ,  F16H2061/0474

Abstract: A method of controlling a transmission includes selecting a target speed of a second shaft, and measuring a second speed of the second shaft and an output speed of an output shaft. The method includes detecting a rolling neutral condition wherein a first and second clutch are uncoupled from a torque generator and a synchronizer is mated to a predicted gear to apply a load in a direction, and one of a first condition wherein the output speed is decreasing and the target speed is less than the second speed and a second condition wherein the output speed is increasing and the target speed is less than the second speed. The method then includes translating the synchronizer away from the predicted gear, coupling and decoupling the second clutch to and from the torque generator, and mating the synchronizer to the predicted gear to again apply the load in the direction.

Abstract translation: 控制变速器的方法包括选择第二轴的目标速度，以及测量第二轴的第二速度和输出轴的输出速度。 该方法包括检测滚动中立状态，其中第一离合器和第二离合器与扭矩发生器分离，并且同步器与预测齿轮配合，以向方向施加负载，并且其中输出速度降低的第一状态和 目标速度小于第二速度，其中输出速度增加并且目标速度小于第二速度的第二条件。 然后，该方法包括将同步器从预测齿轮中移出，将第二离合器与扭矩发生器耦合和解耦，并将同步器与预测齿轮配合，以再次向该方向施加负载。

公开(公告)号：US09127729B2

公开(公告)日：2015-09-08

申请号：US13968748

申请日：2013-08-16

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Xuefeng Tim Tao ,  Daniel Deras ,  Jayson S. Schwalm ,  Jeryl McIver

IPC: B60W10/02 ,  F16D48/06

CPC classification number: F16D48/06 ,  B60W10/02 ,  F16D48/062 ,  F16D2500/1026 ,  F16D2500/3026 ,  F16D2500/30401 ,  F16D2500/30415 ,  F16D2500/50245 ,  F16D2500/50272 ,  F16D2500/7041 ,  F16D2500/70605 ,  F16D2500/70673 ,  F16H2342/00 ,  F16H2342/042

Abstract: A method of learning a kiss point of a first clutch of a dual clutch transmission includes controlling a rotational speed of the input shaft to be within a pre-determined range. When both the first clutch and the second clutch are determined to be disengaged from the input shaft, and the rotational speed of the input shaft is within the pre-determined range, then the first clutch is moved from a disengaged position into an engaged position. An increase in a rotational speed of a first transmission shaft, which is coupled to the first clutch, is detected. When the increase in the rotational speed of the first transmission shaft is detected, a position of the first clutch is identified. The identified position of the first clutch is saved in a memory of a transmission control module as a learned first clutch kiss point.

Abstract translation: 学习双离合器变速器的第一离合器的接点的方法包括将输入轴的转速控制在预定范围内。 当第一离合器和第二离合器都被确定为与输入轴分离时，并且输入轴的转速在预定范围内时，则第一离合器从脱离位置移动到接合位置。 检测联接到第一离合器的第一传动轴的转速的增加。 当检测到第一传动轴的转速的增加时，识别第一离合器的位置。 第一离合器的识别位置作为学习的第一离合器接点保存在变速器控制模块的存储器中。

公开(公告)号：US09057434B2

公开(公告)日：2015-06-16

申请号：US13906735

申请日：2013-05-31

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Xuefeng Tim Tao ,  Matthew Kempeinen ,  Jeryl McIver ,  Christopher Jay Weingartz ,  David H. Vu

IPC: G06F7/00 ,  F16H61/04 ,  F16H61/688 ,  F16H61/28

CPC classification number: F16H61/0403 ,  F16H61/688 ,  F16H2059/425 ,  F16H2061/2823 ,  F16H2061/283 ,  F16H2061/2869 ,  F16H2306/48 ,  F16H2342/042 ,  Y10T74/19284 ,  Y10T477/753

Abstract: A method of identifying a synchronous position of a synchronizer actuator fork includes sensing a deceleration rate of a first shaft, when a synchronizer is positioned in a neutral position, to define a first rate of deceleration. The synchronizer is moved along the first shaft from the neutral position toward a gear with a synchronizer actuator fork. A deceleration rate of the first shaft is sensed, while the synchronizer actuator fork moves the synchronizer along the first shaft, to identify a change from the first rate of deceleration to a second rate of deceleration. The location, of the synchronizer actuator fork relative to the first shaft, at which the rate of acceleration of the first shaft changes from the first rate of deceleration to the second rate of deceleration, is identified as the synchronous position of the synchronizer actuator fork.

Abstract translation: 识别同步器执行器叉的同步位置的方法包括当同步器位于中立位置时检测第一轴的减速度，以限定第一减速度。 同步器沿着第一轴从中立位置向具有同步器执行器叉的齿轮移动。 感测到第一轴的减速率，而同步器执行器叉沿着第一轴移动同步器，以识别从第一减速度到第二减速率的变化。 同步器执行器叉的同步位置被识别为同步器执行器叉相对于第一轴的位置，第一轴的加速度从第一减速度变化到第二减速度。

公开(公告)号：US20150051803A1

公开(公告)日：2015-02-19

申请号：US13968748

申请日：2013-08-16

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Xuefeng Tim Tao ,  Daniel Deras ,  Jayson S. Schwalm ,  Jeryl McIver

IPC: F16D48/06

CPC classification number: F16D48/06 ,  B60W10/02 ,  F16D48/062 ,  F16D2500/1026 ,  F16D2500/3026 ,  F16D2500/30401 ,  F16D2500/30415 ,  F16D2500/50245 ,  F16D2500/50272 ,  F16D2500/7041 ,  F16D2500/70605 ,  F16D2500/70673 ,  F16H2342/00 ,  F16H2342/042

Abstract: A method of learning a kiss point of a first clutch of a dual clutch transmission includes controlling a rotational speed of the input shaft to be within a pre-determined range. When both the first clutch and the second clutch are determined to be disengaged from the input shaft, and the rotational speed of the input shaft is within the pre-determined range, then the first clutch is moved from a disengaged position into an engaged position. An increase in a rotational speed of a first transmission shaft, which is coupled to the first clutch, is detected. When the increase in the rotational speed of the first transmission shaft is detected, a position of the first clutch is identified. The identified position of the first clutch is saved in a memory of a transmission control module as a learned first clutch kiss point.

Abstract translation: 学习双离合器变速器的第一离合器的接点的方法包括将输入轴的转速控制在预定范围内。 当第一离合器和第二离合器都被确定为与输入轴分离时，并且输入轴的转速在预定范围内时，则第一离合器从脱离位置移动到接合位置。 检测联接到第一离合器的第一传动轴的转速的增加。 当检测到第一传动轴的转速的增加时，识别第一离合器的位置。 第一离合器的识别位置作为学习的第一离合器接点保存在变速器控制模块的存储器中。

公开(公告)号：US08831845B1

公开(公告)日：2014-09-09

申请号：US13870030

申请日：2013-04-25

Applicant: GM Global Technology Operations LLC

Inventor： Xuefeng Tim Tao ,  Matthew Kempeinen ,  Christopher Jay Weingartz ,  Jeryl McIver ,  David H Vu

IPC: F16H61/00 ,  F16H61/02 ,  F16H61/30 ,  B60W10/10 ,  B60W30/19

CPC classification number: B60W10/113 ,  B60W10/02 ,  B60Y2400/4242 ,  F16H61/30 ,  F16H61/688 ,  F16H2059/6807 ,  F16H2061/283 ,  F16H2061/307 ,  F16H2342/02

Abstract: A method of controlling a dual clutch transmission includes repeatedly moving a synchronizer into interlocking engagement with a first gear with an actuator fork, and repeatedly sensing a position of the actuator fork for each occurrence that the actuator fork moves the synchronizer into the interlocking engagement with the first gear. The sensed positions of the actuator fork are averaged to define a first engaged position of the actuator fork for engaging the first gear. A second engaged position at which the actuator fork couples the synchronizer to a second gear may be determined in the same manner. A neutral position may be determined by identifying the axial locations of peak acceleration of the actuator fork while moving between the first engaged position and the second engaged position. The identified axial locations are averaged to define the neutral position of the actuator fork.

Abstract translation: 一种控制双离合器变速器的方法包括使同步器重复地移动到与具有致动器叉的第一齿轮的互锁接合中，并且在每次出现时反复感测致动器叉的位置，致动器叉将同步器移动到与 第一档 致动器叉的感测位置被平均以限定用于接合第一档的致动器叉的第一接合位置。 致动器叉将同步器联接到第二档的第二接合位置可以以相同的方式确定。 可以通过在第一接合位置和第二接合位置之间移动的同时识别致动器叉的峰值加速度的轴向位置来确定中立位置。 所识别的轴向位置被平均以限定致动器叉的中间位置。

公开(公告)号：US09416874B2

公开(公告)日：2016-08-16

申请号：US14313063

申请日：2014-06-24

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： David H. Vu ,  Xuefeng Tim Tao ,  Jayson S. Schwalm ,  Craig J. Hawkins ,  Jeryl McIver

IPC: F16H61/688 ,  F16D48/06

CPC classification number: F16H61/688 ,  F16D48/06 ,  F16D2500/10412 ,  F16D2500/1045 ,  F16D2500/3026 ,  F16D2500/30425 ,  F16D2500/3067 ,  F16D2500/30806 ,  F16D2500/50236 ,  F16D2500/50281 ,  F16D2500/50287 ,  F16D2500/5045 ,  F16D2500/70264 ,  F16D2500/7041 ,  F16D2500/70605 ,  F16D2500/70626 ,  F16H2342/042

Abstract: A method for learning the bite point of a position-controlled clutch in a vehicle having an engine and a transmission includes commanding an engagement of a clutch fork via a controller when the transmission is in park and the engine is idling. The method also includes controlling an apply position of the clutch via the controller, calculating a clutch torque capacity of the clutch, and measuring the apply position via a position sensor. The apply position is recorded as the clutch bite point when the calculated clutch torque capacity equals a calibrated clutch torque capacity. The transmission is then controlled using the recorded clutch bite point. A system includes the transmission, input clutches, and a controller configured to execute the method. A vehicle includes an engine, the transmission, the position-controlled input clutch, and the controller, as well as a clutch position sensor.

Abstract translation: 用于学习具有发动机和变速器的车辆中的位置控制的离合器的咬点的方法包括当变速器处于停车状态并且发动机空转时通过控制器指示离合器拨叉的接合。 该方法还包括经由控制器控制离合器的施加位置，计算离合器的离合器扭矩能力，以及经由位置传感器测量施加位置。 当计算的离合器扭矩容量等于校准的离合器扭矩容量时，应用位置记录为离合器咬合点。 然后使用记录的离合器咬点控制变速箱。 系统包括传输，输入离合器和被配置为执行该方法的控制器。 车辆包括发动机，变速器，位置控制输入离合器和控制器以及离合器位置传感器。

公开(公告)号：US09340212B2

公开(公告)日：2016-05-17

申请号：US14291501

申请日：2014-05-30

Applicant: GM Global Technology Operations LLC

Inventor： Xuefeng Tim Tao ,  Richard L. Tiberg ,  Thomas M. Sherman ,  David William Minner ,  Hualin Tan

IPC: G05D1/00 ,  B60W40/076 ,  B60W40/107

CPC classification number: B60W40/076 ,  B60W30/188 ,  B60W40/107 ,  B60W2050/0085 ,  B60W2050/0215 ,  B60W2050/043 ,  B60W2510/104 ,  B60W2520/105 ,  B60W2520/28 ,  B60W2550/13

Abstract: A system according to the principles of the present disclosure includes a longitudinal acceleration estimation module, a vehicle longitudinal acceleration sensor, a road grade estimation module, and an actuator control module. The longitudinal acceleration estimation module estimates a longitudinal acceleration of a vehicle based on at least one of a transmission output speed and a wheel speed. The vehicle longitudinal acceleration sensor measures the longitudinal acceleration of the vehicle. The road grade estimation module estimates a grade of a road on which the vehicle is traveling based on the estimated longitudinal acceleration and the measured longitudinal acceleration. The actuator control module controls an actuator of the vehicle based on the estimated road grade.

Abstract translation: 根据本公开的原理的系统包括纵向加速度估计模块，车辆纵向加速度传感器，道路等级估计模块和致动器控制模块。 纵向加速度估计模块基于变速器输出速度和车轮速度中的至少一个来估计车辆的纵向加速度。 车辆纵向加速度传感器测量车辆的纵向加速度。 道路等级估计模块基于估计的纵向加速度和测量的纵向加速度来估计车辆行驶的道路的坡度。 执行器控制模块基于估计的道路等级来控制车辆的致动器。

公开(公告)号：US09273778B2

公开(公告)日：2016-03-01

申请号：US14448272

申请日：2014-07-31

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Christopher Jay Weingartz ,  Matthew D. Whitton ,  Xuefeng Tim Tao ,  Craig J. Hawkins

IPC: F16H61/688 ,  F16H61/04 ,  F16H59/68 ,  F16H59/44 ,  F16H59/38 ,  F16H61/00

CPC classification number: F16H61/688 ,  F16H59/38 ,  F16H59/44 ,  F16H59/46 ,  F16H59/68 ,  F16H61/0403 ,  F16H2059/6823 ,  F16H2061/0087 ,  F16H2061/0474

Abstract: A method of controlling a transmission includes selecting a target speed of a second shaft, and measuring a second speed of the second shaft and an output speed of an output shaft. The method includes detecting a rolling neutral condition wherein a first and second clutch are uncoupled from a torque generator and a synchronizer is mated to a predicted gear to apply a load in a direction, and one of a first condition wherein the output speed is decreasing and the target speed is less than the second speed and a second condition wherein the output speed is increasing and the target speed is less than the second speed. The method then includes translating the synchronizer away from the predicted gear, coupling and decoupling the second clutch to and from the torque generator, and mating the synchronizer to the predicted gear to again apply the load in the direction.

Abstract translation: 控制变速器的方法包括选择第二轴的目标速度，以及测量第二轴的第二速度和输出轴的输出速度。 该方法包括检测滚动中立状态，其中第一离合器和第二离合器与扭矩发生器分离，并且同步器与预测齿轮配合，以向方向施加负载，并且其中输出速度降低的第一状态和 目标速度小于第二速度，其中输出速度增加并且目标速度小于第二速度的第二条件。 然后，该方法包括将同步器从预测齿轮中移出，将第二离合器与扭矩发生器耦合和解耦，并将同步器与预测齿轮配合，以再次向该方向施加负载。

公开(公告)号：US20140358383A1

公开(公告)日：2014-12-04

申请号：US13906735

申请日：2013-05-31

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Xuefeng Tim Tao ,  Matthew Kempeinen ,  Jeryl McIver ,  Christopher Jay Weingartz ,  David H. Vu

IPC: F16H61/04

CPC classification number: F16H61/0403 ,  F16H61/688 ,  F16H2059/425 ,  F16H2061/2823 ,  F16H2061/283 ,  F16H2061/2869 ,  F16H2306/48 ,  F16H2342/042 ,  Y10T74/19284 ,  Y10T477/753

Abstract: A method of identifying a synchronous position of a synchronizer actuator fork includes sensing a deceleration rate of a first shaft, when a synchronizer is positioned in a neutral position, to define a first rate of deceleration. The synchronizer is moved along the first shaft from the neutral position toward a gear with a synchronizer actuator fork. A deceleration rate of the first shaft is sensed, while the synchronizer actuator fork moves the synchronizer along the first shaft, to identify a change from the first rate of deceleration to a second rate of deceleration. The location, of the synchronizer actuator fork relative to the first shaft, at which the rate of acceleration of the first shaft changes from the first rate of deceleration to the second rate of deceleration, is identified as the synchronous position of the synchronizer actuator fork.

Abstract translation: 识别同步器执行器叉的同步位置的方法包括当同步器位于中立位置时检测第一轴的减速度，以限定第一减速度。 同步器沿着第一轴从中立位置向具有同步器执行器叉的齿轮移动。 感测到第一轴的减速率，而同步器执行器叉沿着第一轴移动同步器，以识别从第一减速度到第二减速率的变化。 同步器执行器叉的同步位置被识别为同步器执行器叉相对于第一轴的位置，第一轴的加速度从第一减速度变化到第二减速度。