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Electronic parking system and parking relieving control method thereof

A control method and technology of electronic parking, applied in the direction of brake safety system, brakes, vehicle components, etc., can solve the problem that the electronic parking system cannot obtain the brake pedal signal, the electronic parking system cannot release the parking, and the brake pedal Signal failure etc.

Inactive Publication Date: 2019-06-11
WM SMART MOBILITY (SHANGHAI) CO LTD
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Problems solved by technology

When the electronic stability control module fails during detection, or the brake pedal signal fails during transmission, the electronic parking system cannot obtain the correct brake pedal signal, even if the driver depresses the brake pedal, the electronic parking system cannot Unable to release parking
[0006] Therefore, in order to solve the fault problem that may occur during the detection or transmission of the brake pedal signal, the present invention provides an electronic parking system and its parking release control method

Method used

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  • Electronic parking system and parking relieving control method thereof
  • Electronic parking system and parking relieving control method thereof
  • Electronic parking system and parking relieving control method thereof

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Embodiment Construction

[0039] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. Note that the aspects described below in conjunction with the drawings and specific embodiments are only exemplary, and should not be construed as limiting the protection scope of the present invention.

[0040] In order to prevent the situation that the electronic parking system cannot successfully receive the brake pedal signal, according to one aspect of the present invention, a parking release control method is provided.

[0041] In one embodiment, as figure 1 As shown, the parking release control method 100 includes:

[0042] S110: Obtain brake pedal signals detected by at least two control modules.

[0043] It can be understood that in the prior art, only the brake pedal signal detected by the ESC is received during the release of the parking control process, so when the only way to obtain the brake pedal signal fails, the release of th...

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Abstract

The invention provides a parking relieving control method which comprises the following steps: acquiring brake pedal signals detected by at least two control modules; recognizing whether a parking switch is closed or not by responding to a condition that the brake pedal signal detected by any one control module meets a parking relieving condition; generating a parking relieving command by responding to a condition that the parking switch is closed; and executing the parking relieving command to relieve parking.

Description

technical field [0001] The invention relates to a vehicle control system, in particular to an electronic parking system and a parking release control method thereof. Background technique [0002] With the continuous development of informatization and electronics, many vehicle manufacturers have also begun to produce vehicles with electronic parking systems (Electrical park brake, EPB). The electronic parking system realizes the function of the traditional handbrake through intelligent means, and integrates the original mechanical handbrake into an electronic button, which greatly simplifies the action of the driver to activate or deactivate the brake, and improves the user experience. [0003] However, when the key signal required by the electronic parking system fails, its normal working ability will be affected, and it is more common that the parking system cannot be parked or the parking cannot be released. For the inability to park, it does not affect the normal driving...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T13/12B60T13/66B60T17/22B60W30/18
Inventor 李小兵廖金华张雪魁
Owner WM SMART MOBILITY (SHANGHAI) CO LTD
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