公开(公告)号：US11376967B2

公开(公告)日：2022-07-05

申请号：US16324086

申请日：2017-07-19

Applicant: ADVICS CO., LTD. ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Daisuke Nakata ,  Kosuke Hashimoto ,  Kenji Sakamoto

IPC: B60L7/26 ,  B60T8/17 ,  B60W20/14 ,  B60W10/192 ,  B60L7/24 ,  B60W10/08 ,  B60W10/18 ,  B60W10/188 ,  B60T13/16 ,  B60T13/58

Abstract: This vehicle brake device performs raising processing for raising, by a predetermined raising amount, the target hydraulic pressure of hydraulic fluid when the pressure of the hydraulic fluid starts increasing in order to suppress a delay in response to the increase in the pressure of hydraulic fluid during switching processing for gradually switching at least part of regenerative braking force to hydraulic braking force, and includes a judging portion which judges whether or not required braking force or deceleration is reduced during cooperative control; and a raising amount setting portion which during the raising processing, sets a second predetermined pressure as a raising amount if the judgement result of the judging portion is positive, the second predetermined pressure being smaller than a first predetermined pressure that is the raising amount when the determination result of the determination result is negative.

公开(公告)号：US11072243B2

公开(公告)日：2021-07-27

申请号：US16330781

申请日：2017-07-25

Applicant: ADVICS CO., LTD. ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Daisuke Nakata ,  Kosuke Hashimoto ,  Kenji Sakamoto

IPC: B60L7/26 ,  B60T8/17 ,  B60L7/24 ,  B60L7/18 ,  B60T13/58

Abstract: A vehicle braking device sets a target hydraulic braking force based on the difference between the execution regeneration braking force, which is actually generated regeneration braking force and the requested braking force which is to be applied to the vehicle wheels and includes a hydraulic pressure control portion that raises the target hydraulic braking force by a predetermined value at a timing when the difference between the execution regeneration braking force and the maximum value thereof is equal to or less than a judgement threshold value and a threshold value setting portion that sets the judgement threshold value on the basis of the requested braking force gradient when the liquid amount inside the hydraulic chamber is less than a predetermined amount, and sets the judgement threshold value on the basis of the target hydraulic braking force gradient when the liquid amount is equal to or more than the predetermined amount.