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Method for braking state transition in vehicle having electric drive

An electric drive and status technology, applied in electric vehicles, electric braking systems, brakes, etc.

Pending Publication Date: 2020-12-11
VOLKSWAGEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it has another disadvantage, that is, in order to maintain the deceleration of the vehicle, the driver must step on the brake pedal to supplement the deceleration torque reduced by the vehicle's auxiliary system braking.

Method used

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  • Method for braking state transition in vehicle having electric drive
  • Method for braking state transition in vehicle having electric drive
  • Method for braking state transition in vehicle having electric drive

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0039] exist figure 1 and image 3 A method 100 according to the invention is shown in , which is used for transitioning from a first braking state 201 to a second braking state 202 in a vehicle 1 with an electric drive 2 . In this case, according to a first method step 101 , the transition is initiated when the brake pedal 3 of the vehicle 1 is actuated, wherein in a first braking state 201 a braking function 301 of the electric drive 2 is provided for The braking effect of the vehicle 1 is braked, and the braking function 301 is disabled in the second braking state 202 . According to a second method step 102, when the brake pedal 3 is actuated and / or at least continues to be actuated, the braking effect of the brake function 301 is reduced in order to carry out the transition, wherein the degree of the reduction depends on Pedal travel 401 of brake pedal 3 . In this case, the braking function 301 of the drive device 2 can be designed as a generator brake 301 , preferably ...

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Abstract

The invention relates to a method for transitioning from a first brake state (201) to a second brake state (202) in a vehicle (1) having an electric drive (2), in which the following steps are carriedout: the activation of the transition takes place when actuating a brake pedal (3) of the vehicle (1), wherein a braking action for braking the vehicle (1) is provided by means of a braking function(301) of the electric drive (2) in a first braking state (201) and the braking function (301) is disabled in a second braking state (202), and wherein a reduction of the braking action of the brakingfunction (301) is carried out in the event of the actuation of the brake pedal (3) and / or at least one further actuation in order to carry out the transition, the degree of reduction depending on thepedal travel (401) of the brake pedal (3).

Description

technical field [0001] The invention relates to a method for transitioning from a first braking state to a second braking state in a vehicle having an electric drive. Furthermore, the invention relates to a device for a vehicle with an electric drive. Background technique [0002] It is known from the prior art that vehicle assistance systems can be used to facilitate the control of the vehicle. Such systems are, for example, distance control systems, in which a distance is maintained to vehicles driving ahead. It is necessary for this to automatically accelerate and decelerate (brake) the vehicle. During deceleration of the vehicle, kinetic energy can be recovered by electric operation (recovery) of the electric drive and temporarily stored in a storage device for subsequent driving operation. [0003] In the first braking state, activated vehicle assistance systems may determine deceleration of the vehicle. This state can be overridden or even ended by the driver at an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L7/26B60W30/16
CPCB60L7/26B60W30/16B60T1/10B60T13/586B60T2270/604B60L7/18
Inventor F.博切尔斯O.布塞B.卡克佐尔
Owner VOLKSWAGEN AG
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