公开(公告)号：US09969400B2

公开(公告)日：2018-05-15

申请号：US15474021

申请日：2017-03-30

Applicant: HONDA MOTOR CO., LTD.

Inventor： Yusuke Sakaguchi ,  Satoshi Ando ,  Masatoshi Noguchi

IPC: B60W30/18 ,  B60K17/348 ,  B60K28/16 ,  B60W30/188

CPC classification number: B60W30/18172 ,  B60K17/348 ,  B60K28/16 ,  B60W10/06 ,  B60W10/08 ,  B60W20/10 ,  B60W30/02 ,  B60W30/188 ,  B60W2050/0004 ,  B60W2300/18 ,  B60W2520/125 ,  B60W2520/26 ,  B60W2520/263 ,  B60W2520/30 ,  Y02T10/6286

Abstract: A vehicle drive system includes a slip acquisition unit that acquires that an excessive slip of front wheels or rear wheels has occurred, an addition slip point calculating unit that calculates addition slip points in a time-discrete manner, based on the slip acquisition unit having acquired that the excessive slip has occurred, a cumulative slip point calculating unit that accumulates the addition slip points and calculates a cumulative slip point over time, a drive state switching unit that, switches between 2WD and AWD based on cumulative slip points, and an increase forbidding determination unit that forbids addition or accumulation of the addition slip points, or increase of the cumulative slip points, in a case where a lateral acceleration correlation value that has correlation with lateral acceleration of the vehicle exceeds a lateral acceleration threshold value.

公开(公告)号：US09889745B2

公开(公告)日：2018-02-13

申请号：US15105300

申请日：2014-12-16

Applicant: HONDA MOTOR CO., LTD.

Inventor： Yusuke Sakaguchi ,  Satoshi Ando ,  Masatoshi Noguchi

IPC: B60L3/10 ,  B60K6/44 ,  B60K6/52 ,  B60K6/547 ,  B60L3/00 ,  B60T8/1761 ,  B60W40/10 ,  B60L7/10 ,  B60L15/20

CPC classification number: B60L3/102 ,  B60K6/44 ,  B60K6/52 ,  B60K6/547 ,  B60L3/0023 ,  B60L3/108 ,  B60L7/10 ,  B60L15/2009 ,  B60T8/1761 ,  B60T8/17616 ,  B60W40/10 ,  Y02T10/645 ,  Y02T10/646 ,  Y02T10/72 ,  Y02T10/7258 ,  Y02T10/7275

Abstract: A slip determination system for a vehicle, which is capable of improving the determination accuracy by avoiding erroneous determination of excessive slip of wheels when a state of the wheels, driven/braked by motors, is switched. In the slip determination system according to the present invention, when first and second motor rotational speeds NMOT1 and NMOT2, which are rotational speeds of rear motors which brake/drive rear wheels WRL and WRR, reach a reference rotational speed NMREF set based on wheel rotational speeds NWFL, NWFR, NWRL, and NWRR, it is determined that excessive slip has occurred in the rear wheels WRL and WRR. When the sign of a target torque TROBJ of the rear motors is inverted, the reference rotational speed NMREF is changed to a value more difficult to be reached by the first and second motor rotational speeds NMOT1 and NMOT2, or the excessive slip determination is inhibited.

公开(公告)号：US20170282928A1

公开(公告)日：2017-10-05

申请号：US15474021

申请日：2017-03-30

Applicant: HONDA MOTOR CO., LTD.

Inventor： Yusuke Sakaguchi ,  Satoshi Ando ,  Masatoshi Noguchi

IPC: B60W30/18 ,  B60W30/188 ,  B60K17/348 ,  B60K28/16

CPC classification number: B60W30/18172 ,  B60K17/348 ,  B60K28/16 ,  B60W10/06 ,  B60W10/08 ,  B60W20/10 ,  B60W30/02 ,  B60W30/188 ,  B60W2050/0004 ,  B60W2300/18 ,  B60W2520/125 ,  B60W2520/26 ,  B60W2520/263 ,  B60W2520/30 ,  Y02T10/6286

Abstract: A vehicle drive system includes a slip acquisition unit that acquires that an excessive slip of front wheels or rear wheels has occurred, an addition slip point calculating unit that calculates addition slip points in a time-discrete manner, based on the slip acquisition unit having acquired that the excessive slip has occurred, a cumulative slip point calculating unit that accumulates the addition slip points and calculates a cumulative slip point over time, a drive state switching unit that, switches between 2WD and AWD based on cumulative slip points, and an increase forbidding determination unit that forbids addition or accumulation of the addition slip points, or increase of the cumulative slip points, in a case where a lateral acceleration correlation value that has correlation with lateral acceleration of the vehicle exceeds a lateral acceleration threshold value.

公开(公告)号：US20150065293A1

公开(公告)日：2015-03-05

申请号：US14389268

申请日：2013-03-19

Applicant: HONDA MOTOR CO., LTD.

Inventor： Satoshi Ando ,  Sei Shinohara

IPC: B60W20/00 ,  F16H48/06 ,  B60K7/00 ,  B60W10/08 ,  B60W10/115

CPC classification number: B60W20/00 ,  B60K6/448 ,  B60K6/52 ,  B60K7/0007 ,  B60K17/046 ,  B60K17/165 ,  B60K17/356 ,  B60K2007/0092 ,  B60K2023/043 ,  B60L7/12 ,  B60L7/26 ,  B60L11/123 ,  B60L11/14 ,  B60L11/1861 ,  B60L15/2009 ,  B60L15/2036 ,  B60L2220/46 ,  B60L2240/12 ,  B60L2240/24 ,  B60L2240/421 ,  B60L2240/423 ,  B60L2240/461 ,  B60L2240/486 ,  B60L2260/26 ,  B60W10/08 ,  B60W10/16 ,  B60W30/18127 ,  B60W2540/12 ,  B60W2710/083 ,  B60W2720/406 ,  F16H48/06 ,  Y02T10/6217 ,  Y02T10/6243 ,  Y02T10/6265 ,  Y02T10/645 ,  Y02T10/7005 ,  Y02T10/7044 ,  Y02T10/705 ,  Y02T10/7077 ,  Y02T10/72 ,  Y02T10/7275 ,  Y10S903/93 ,  Y10T477/10

Abstract: A vehicle driving system includes: a left wheel driving system having a first motor and a first speed changer; a right wheel driving system having a second motor and a second speed changer; a motor controller which controls the first motor and the second motor, a rotation restricting unit which can be shifted between a released state and an applied state; and a rotation restricting unit controller which controls the rotation restricting unit. When the rotation restricting unit controller shifts the rotation restricting unit from the applied state to the released state, the motor controller controls the first motor and the second motor so that a torque sum of the first motor and the second motor approaches zero while maintaining a torque difference between the first motor and the second motor.

Abstract translation: 车辆驱动系统包括：具有第一电动机和第一变速器的左轮驱动系统; 具有第二电动机和第二变速器的右轮驱动系统; 控制第一电动机和第二电动机的电动机控制器，可以在释放状态和施加状态之间移动的旋转限制单元; 以及旋转限制单元控制器，其控制旋转限制单元。 当旋转限制单元控制器将旋转限制单元从施加状态移动到释放状态时，电动机控制器控制第一电动机和第二电动机，使得第一电动机和第二电动机的转矩和接近零，同时保持转矩 第一马达与第二马达之间的差异。