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Control method of shift-by-wire device

A control method and wire-controlled shifting technology, which is applied in the direction of transmission control, components with teeth, belts/chains/gears, etc. Problems such as heavy weight to achieve the effect of ensuring safety

Active Publication Date: 2021-02-02
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The wrong operation of the driver is prevented by the hardware structure, and the hardware structure may be damaged or broken under large operating force and extreme working conditions, and the safety of the driver cannot be fully guaranteed
The existing vehicle gear shifting device is composed of three parts: the gear selection and shifting control mechanism, the gear shifting cable and the automatic transmission, and the structure is relatively complicated.
The size and weight of the selector shift control mechanism are large, and the space layout of the instrument panel is greatly restricted, which will also affect the aesthetics of the interior

Method used

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  • Control method of shift-by-wire device
  • Control method of shift-by-wire device
  • Control method of shift-by-wire device

Examples

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Embodiment Construction

[0023] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0024] like figure 1 As shown, the embodiment of the present invention provides a control method of a shift-by-wire device, including the following steps:

[0025] S100, the electronic parking actuator confirms whether the current position of the motor is in the P gear. If yes, go to S200.

[0026] S200, control the brake pedal to go down, unlock the gear, and control the movement of the shift lever to send a shift request signal.

[0027] S300, the shifter control module obtains the target gear according to the angle sensed by the el...

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Abstract

The invention discloses a control method of a shift-by-wire device. The control method comprises the steps that an electronic parking actuator determines whether a current motor is located on the gearP or not; if yes, a brake pedal is controlled to move downwards for gear unlocking, and a gear lever is controlled to move so that a gear shifting request signal can be emitted; and a gear shifting device control module obtains a target gear according to an electromagnet on the gear lever and the angle sensed by a hall sensor in the gear shifting device, and drives the motor of the electronic parking actuator to rotate so that a speed changer can be switched to the target gear. According to the control method of the shift-by-wire device, the gear shifting device controls action of the electronic parking actuator through the control module in the gear shifting device, it is ensured that operation of a driver is not influenced by the speed changer under the misoperation condition, and the vehicle safety is guaranteed.

Description

technical field [0001] The invention relates to automatic driving technology, in particular to a control method for a shift-by-wire device. Background technique [0002] At present, automobiles generally adopt a mechanical shift device. The driver pushes the shift handle, and a shift cable drives the shift rocker arm of the transmission to realize the P / R / N / D gear shift. The wrong operation of the driver is prevented by the hardware structure, and the hardware structure may be damaged or broken under large operating force and extreme working conditions, and the safety of the driver cannot be fully guaranteed. Existing vehicle shifting device is made up of three parts of selector shifting control mechanism, shifting cable and automatic transmission, and structure is more complicated. The volume and weight of the selector shift control mechanism are large, and the space layout of the instrument panel is greatly restricted, which will also affect the aesthetics of the interior...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H59/10F16H59/44F16H61/02
CPCF16H59/105F16H59/44F16H61/0213
Inventor 常耀红季明微刘闪闪朱增怀路明张超李小坚邢国雨业德明钟磊沈伟
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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