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Vehicle braking control device, vehicle control device, and vehicle braking control method

A technology of brake control and control device, which is applied in the direction of brake transmission device, engine control, automatic starting device, etc., and can solve the problem of the driver retreating

Active Publication Date: 2015-04-01
ADVICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, during the period from when the vehicle stops to when the braking force applied to the wheels actually starts to increase, there is a possibility that the vehicle may roll back unintentionally by the driver.

Method used

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  • Vehicle braking control device, vehicle control device, and vehicle braking control method
  • Vehicle braking control device, vehicle control device, and vehicle braking control method
  • Vehicle braking control device, vehicle control device, and vehicle braking control method

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Embodiment Construction

[0029] Below, according to Figure 1 to Figure 8 , an embodiment of the present invention will be described. In addition, in the following description in this specification, the traveling direction (advancing direction) of the vehicle will be described as the front (vehicle front).

[0030] In order to improve fuel consumption performance and exhaust performance, the vehicle of the present embodiment automatically stops the engine when a predetermined stop condition is established during vehicle running, and then automatically restarts the engine when a predetermined start condition is established. The so-called idle stop function. Therefore, in this vehicle, the engine is automatically stopped during deceleration or parking by the driver's brake operation.

[0031] Next, an example of a vehicle having an idling stop function will be described.

[0032] like figure 1 As shown, the vehicle has a plurality of (four in this embodiment) wheels (right front wheel FR, left front...

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Abstract

Provided are a vehicle braking control device, a vehicle control device, and a vehicle braking control method that are capable of suppressing motion of the vehicle that is not intended by the driver, even if the driver performed a brake operation that reduces braking force on the vehicle wheels when stopping the vehicle. When a brake operation that reduces braking force on the vehicle wheels is performed by the driver, a brake ECU starts a first braking control that maintains braking force on the vehicle wheels at a second timing (t12) at which the MC pressure (Pmc) in a master cylinder becomes less than or equal to a slope-corresponding MC pressure (Pmctha) set at a value corresponding to the slope of the road surface, and thereafter, if the slope of the road surface changes to a steeper slope, starts (at a third timing (t13)) a second braking control that increases the braking force on the vehicle wheels.

Description

technical field [0001] The present invention relates to a vehicle brake control device and a vehicle brake control method for adjusting the braking force on wheels when the vehicle stops. In addition, the present invention relates to a control device for a vehicle that includes the brake control device described above and allows automatic stop and restart of an engine. Background technique [0002] Generally, when a braking force is applied to the wheels to stop the vehicle, the vehicle body speed gradually decreases and finally becomes "0". Before and after such a vehicle stops, the deceleration of the vehicle body suddenly becomes "0". Then, a so-called back-and-forth phenomenon occurs in which the center of gravity of the vehicle swings in the front-rear direction along with a sudden change in the deceleration of the vehicle body. [0003] Then, the driver of the vehicle may perform a brake operation to reduce the braking force on the wheels, that is, an operation to re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T7/12B60T13/66B60T13/68B60W10/04B60W10/06B60W10/188F02D29/02
CPCB60T7/12B60T13/662F02D29/02B60W10/06B60T2201/06B60T13/686
Inventor 桥本阳介大森阳介森雪生武田政义
Owner ADVICS CO LTD