CN111609124B - Vehicle gear automatic control method and device and vehicle - Google Patents
Vehicle gear automatic control method and device and vehicle Download PDFInfo
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- CN111609124B CN111609124B CN202010364996.XA CN202010364996A CN111609124B CN 111609124 B CN111609124 B CN 111609124B CN 202010364996 A CN202010364996 A CN 202010364996A CN 111609124 B CN111609124 B CN 111609124B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/50—Inputs being a function of the status of the machine, e.g. position of doors or safety belts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
- F16H2061/161—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed by checking feasibility of shifts, i.e. determine if requested shift can be successfully completed and post shift values are in an acceptable range
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
- F16H2061/168—Forced shifts into neutral for safety reasons, e.g. in case of transmission failure or emergency braking
Abstract
The invention relates to the technical field of vehicle control, and provides a vehicle gear automatic control method and device and a vehicle. The method comprises the following steps: detecting a gear state, a brake pedal state, and a driver-side belt state and/or a door state of the vehicle; when the gear state of the vehicle is detected to be a forward gear or a manual gear, the brake pedal is not pressed, the driver side safety belt is not tied and/or the vehicle door is not closed, the gear of the vehicle is switched to a parking gear, and when the driver does not prepare for running, the gear of the vehicle can be automatically controlled, so that the safety of the vehicle and the driver is guaranteed.
Description
Technical Field
The invention relates to the technical field of vehicle control, in particular to a vehicle gear automatic control method and device and a vehicle.
Background
Currently, when the gear position of the vehicle is in a forward gear or a manual gear, even if the driver is not ready for the vehicle to run, the vehicle will run forward or coast as long as the brake pedal is released, possibly causing a danger.
Disclosure of Invention
In view of the above, the present invention is directed to a method for automatically controlling a vehicle gear to ensure safety of a vehicle and a driver when the driver is not ready to run.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a vehicle gear automatic control method, the method comprising: detecting a gear state, a brake pedal state, and a driver-side belt state and/or a door state of the vehicle; and when the gear state of the vehicle is detected to be a forward gear or a manual gear, the brake pedal state is not pressed, the driver-side safety belt state is not tied and/or the vehicle door state is not closed, switching the gear of the vehicle to a parking gear.
Further, before detecting a gear position state, a brake pedal state, and a driver-side belt state and/or a door state of the vehicle, the method further comprises: detecting a vehicle speed of the vehicle; and when the vehicle speed of the vehicle is less than or equal to a vehicle speed threshold value, executing the step of detecting the gear position state, the brake pedal state, the driver side safety belt state and/or the vehicle door state of the vehicle.
Further, the vehicle speed of the vehicle is detected by an electronic stability system, the gear state is detected by an automatic transmission control unit, the brake pedal state is detected by an engine control module, the door state is detected by a vehicle body control module, and the driver-side safety belt state is detected by an airbag module.
Further, when it is detected that the gear state of the vehicle is a forward gear or a manual gear, the method further includes: and when the brake pedal state is detected to be pressed down or the driver side safety belt state is detected to be tied and the door state is detected to be closed, keeping the current gear position state of the vehicle.
Further, the vehicle speed threshold is 30 km/h.
Compared with the prior art, the automatic control method for the vehicle gear has the following advantages:
a vehicle gear automatic control method, the method comprising: detecting a gear state, a brake pedal state, and a driver-side belt state and/or a door state of the vehicle; and when the gear state of the vehicle is detected to be a forward gear or a manual gear, the brake pedal state is not pressed, and the driver-side safety belt state is not tied and/or the door state is not closed, switching the gear of the vehicle to a parking gear. When the driver is not ready for running, for example, the driver does not fasten a safety belt or close the door, the gear of the vehicle is automatically controlled, and the safety of the vehicle and the driver is ensured.
Another object of the present invention is to provide an automatic control device for vehicle gear to automatically control the vehicle gear when the driver is not ready for driving, so as to ensure the safety of the vehicle and the driver.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
an automatic control device for a vehicle gear position, the device comprising: the vehicle control system comprises a detection unit and a control unit, wherein the detection unit is used for detecting a gear position state, a brake pedal state, a driver-side safety belt state and/or a vehicle door state of the vehicle; the control unit is used for switching the gear of the vehicle into a parking gear when detecting that the gear state of the vehicle is a forward gear or a manual gear, the brake pedal is not pressed, the driver side safety belt is not tied and/or the door is not closed.
Further, before detecting the shift position state, the brake pedal state, and the driver-side belt state and/or the door state of the vehicle, the detection unit is further configured to: detecting a vehicle speed of the vehicle; and when the vehicle speed of the vehicle is less than or equal to a vehicle speed threshold value, executing the step of detecting the gear position state, the brake pedal state, the driver side safety belt state and/or the vehicle door state of the vehicle.
Further, the detection unit includes: an electronic stability system that detects a speed of the vehicle; an automatic transmission control unit that detects the gear state; an engine control module that detects the brake pedal state; the vehicle body control module detects the state of the vehicle door; an airbag module that detects a state of the driver-side seatbelt.
Further, when it is detected that the shift state of the vehicle is a forward shift or a manual shift, the control unit is further configured to: and when the brake pedal state is detected to be pressed down or the driver side safety belt state is detected to be tied and the door state is detected to be closed, keeping the current gear position state of the vehicle.
Compared with the prior art, the vehicle gear automatic control device and the vehicle gear automatic control method have the same advantages, and are not described again.
Another object of the present invention is to provide a vehicle to automatically control the gear of the vehicle when the driver is not ready for driving, so as to ensure the safety of the vehicle and the driver.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a vehicle comprising the vehicle gear automatic control device described above.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of a method for automatically controlling a gear position of a vehicle according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method for automatically controlling a vehicle gear according to another embodiment of the present invention;
fig. 3 is a block diagram of a vehicle shift position automatic control device according to an embodiment of the present invention.
Description of the reference numerals
1 detection unit 2 control unit
Detailed Description
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Fig. 1 is a flowchart of a method for automatically controlling a vehicle gear according to an embodiment of the present invention. As shown in fig. 1, the method includes:
step S11, detecting the gear position state, the brake pedal state, the driver side safety belt state and/or the door state of the vehicle;
specifically, the shift position state, the brake pedal state, and the driver-side seatbelt state and/or the vehicle door state may be detected by various sensors. The gear states of the vehicle may include a wide variety, such as park P, drive D, manual M, and neutral N, among others. The driver seat belt state and the door state may be detected only one or both. The door state refers to the state of all doors of the vehicle, and as long as one door is not related, the door state is not closed, and of course, the most important is the driver side door state.
If the vehicle has one or more of a Transmission Control Unit (TCU), an Engine Control Module (ECU), a Body Control Module (BCM), and an Air Bag Module (ABM), the TCU may be used to detect a shift state, the ECU may be used to detect a brake pedal state, the BCM may be used to detect a door state, and the ABM may be used to detect a driver-side seatbelt state, respectively. Hereinafter, the detection is described using TCU, ECU, BCM, and ABM.
Step S12, when it is detected that the shift position state of the vehicle is a forward position or a manual position, and the brake pedal state is not pressed, and the driver-side belt state is not attached and/or the door state is not closed, the shift position of the vehicle is switched to a parking position.
Specifically, the shift range is divided into three cases:
1. if the gear of the vehicle is D gear or M gear, the vehicle can move forwards, and the gear of the vehicle is automatically switched to P gear when the brake pedal is not pressed and the safety belt on the driver side is not fastened;
2. if the gear of the vehicle is D gear or M gear, the gear of the vehicle is automatically switched to P gear when the brake pedal is not pressed and the vehicle door is not closed;
3. if the gear of the vehicle is D gear or M gear, the gear of the vehicle is automatically switched to P gear when the brake pedal is not pressed and the safety belt on the side of the driver, which is not closed by the door, is not tied.
Fig. 2 is a flowchart of a method for automatically controlling a vehicle gear according to another embodiment of the present invention. As shown in fig. 2, the method includes:
step S21, detecting the speed of the vehicle;
specifically, the detection may be performed using a vehicle speed sensor or the like, and if the vehicle has an Electronic Stability Program (ESP), the vehicle speed may be detected using the ESP, which will be described below as an example.
Step S22, judging whether the vehicle speed is less than or equal to the vehicle speed threshold value;
specifically, the vehicle speed threshold may be 30kM/h, but is not limited thereto. The determination of the vehicle speed may be based on a vehiclespedsignal sent by the ESP.
Step S23, when the vehicle speed is less than or equal to the vehicle speed threshold value, detecting the gear state of the vehicle;
specifically, when vehiclespeed is equal to or less than a vehicle speed threshold value in a vehiclespeed signal transmitted by the ESP, the gear state of the vehicle is detected.
Step S24, judging whether the gear state of the vehicle is a forward gear or a manual gear;
specifically, the determination of the gear position state of the vehicle may be made according to a gear position signal transmitted by the TCU.
Step S25, when the gear state is a forward gear or a manual gear, detecting the state of a brake pedal;
specifically, when the gear position signal sent by the TCU is D or M, the brake pedal state is detected.
Step S26, judging whether the brake pedal is not pressed down;
specifically, the judgment of the brake pedal state may be made based on a brake pedal status signal sent by the ECM.
Step S27, when the brake pedal is not pressed, detecting the state of the driver side safety belt and the state of the vehicle door;
specifically, when the brake pedal status transmitted by the ECM is equal to 0, the driver-side seat belt state and the door state are detected.
Step S28, judging whether the driver side safety belt state is the belted state and whether the vehicle door state is the closed state;
specifically, the driver-side seat belt state may be determined based on a driver safety belt status signal transmitted by the ABM, and the door state may be determined based on a driver door status signal transmitted by the BCM.
In step S29, when the driver-side seatbelt state is not attached and/or the door state is not closed, the shift position of the vehicle is switched to the parking position.
Specifically, when the driver safety status transmitted by the ABM is equal to 1, and/or when the driver door status transmitted by the BCM is equal to 1, the shift position of the vehicle is switched to the P range.
In step S210, when the vehicle speed is greater than the vehicle speed threshold value, the shift position state is not the forward position and the manual position, the brake pedal is pressed, or the driver-side belt is in the engaged state and the door is in the closed state, no control is performed, that is, the current shift position state of the vehicle is maintained.
Specifically, when the ESP sent vehiclespedsignal is greater than the vehicle speed threshold, the TCU sent gear position signal is not D or M, ECM sent break pedal status signal is not equal to 0, or the BCM sent driver door status is equal to 0 and the ABM sent driver safety threshold status is equal to 0, no control is performed.
The detection and judgment orders in the above embodiments are only examples, and it is understood that the detection and judgment orders may be exchanged. For example, it is possible to detect and determine whether the driver-side belt state is the belted state and the door state is the closed state, determine whether the brake pedal state is not depressed when the driver-side belt state is the belted state and/or the door state is not closed, and switch the shift position state of the vehicle to the P range when the brake pedal is not depressed.
Fig. 3 is a block diagram of a vehicle shift position automatic control device according to an embodiment of the present invention. As shown in fig. 3, the apparatus includes: a detection unit 1 and a control unit 2, wherein the detection unit 1 is used for detecting the gear state, the brake pedal state, the driver-side safety belt state and/or the door state of the vehicle; the control unit 2 is configured to switch the gear of the vehicle to the parking gear when it is detected that the gear state of the vehicle is a forward gear or a manual gear, the brake pedal state is not pressed, and the driver-side belt state is not attached and/or the door state is not closed.
Further, before detecting the gear position state, the brake pedal state, and the driver-side seat belt state and/or the door state of the vehicle, the detecting unit 1 is further configured to: detecting a vehicle speed of the vehicle; the step of detecting a gear state, a brake pedal state, and a driver-side belt state and/or a door state of the vehicle is performed when a vehicle speed of the vehicle is equal to or less than a vehicle speed threshold value.
Further, the detection unit 1 includes: an electronic stability system that detects a speed of the vehicle; an automatic transmission control unit that detects the gear state; an engine control module that detects the brake pedal state; the vehicle body control module detects the state of the vehicle door; an airbag module that detects a state of the driver-side seatbelt.
Further, when detecting that the gear state of the vehicle is a forward gear or a manual gear, the control unit 2 is further configured to: and when the brake pedal state is detected to be pressed down or the driver side safety belt state is detected to be tied and the door state is detected to be closed, keeping the current gear position state of the vehicle.
The above-described embodiments of the automatic control device for vehicle gear position are similar to the above-described embodiments of the automatic control method for vehicle gear position, and are not described herein again.
The embodiment of the invention also provides a vehicle which comprises the automatic vehicle gear control device.
The invention provides a vehicle gear automatic control method, a device and a vehicle, wherein the method comprises the following steps: detecting a gear state, a brake pedal state, and a driver-side belt state and/or a door state of the vehicle; and when the gear state of the vehicle is detected to be a forward gear or a manual gear, the brake pedal state is not pressed, the driver-side safety belt state is not tied and/or the vehicle door state is not closed, switching the gear of the vehicle to a parking gear. When the driver is not ready for running, for example, the driver does not fasten a safety belt or close the door, the gear of the vehicle is automatically controlled, and the safety of the vehicle and the driver is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A vehicle gear automatic control method, characterized by comprising:
detecting a gear state, a brake pedal state, and a driver-side belt state and/or a door state of the vehicle;
when the gear state of the vehicle is detected to be a forward gear or a manual gear, the brake pedal state is not pressed, the driver-side safety belt state is not tied, and/or the vehicle door state is not closed, the gear of the vehicle is switched to a parking gear;
and maintaining the current gear state of the vehicle when the gear state of the vehicle is detected to be not the forward gear and the manual gear.
2. The vehicle gear automatic control method according to claim 1, characterized in that before detecting the gear state, the brake pedal state, and the driver-side belt state and/or the door state of the vehicle, the method further comprises:
detecting a vehicle speed of the vehicle;
and when the vehicle speed of the vehicle is less than or equal to a vehicle speed threshold value, executing the step of detecting the gear position state, the brake pedal state, the driver side safety belt state and/or the vehicle door state of the vehicle.
3. The vehicle gear automatic control method according to claim 2, characterized in that the vehicle speed of the vehicle is detected by an electronic stability system, the gear state is detected by an automatic transmission control unit, the brake pedal state is detected by an engine control module, the door state is detected by a body control module, and the driver side belt state is detected by an airbag module.
4. The vehicle gear automatic control method according to claim 1, characterized by, when it is detected that the gear state of the vehicle is a forward gear or a manual gear, further comprising:
and when the brake pedal state is detected to be pressed down or the driver side safety belt state is detected to be tied and the door state is detected to be closed, keeping the current gear position state of the vehicle.
5. The automatic control method for vehicle gear according to claim 1, characterized in that the vehicle speed threshold value is 30 km/h.
6. An automatic control device for a vehicle gear position, characterized by comprising:
a detection unit and a control unit, wherein,
the detection unit is used for detecting the gear state, the brake pedal state, the driver side safety belt state and/or the vehicle door state of the vehicle;
the control unit is used for switching the gear of the vehicle into a parking gear when detecting that the gear state of the vehicle is a forward gear or a manual gear, the brake pedal state is not pressed, the driver side safety belt state is not tied and/or the vehicle door state is not closed; and maintaining the current gear state of the vehicle when the gear state of the vehicle is detected to be not the forward gear and the manual gear.
7. The vehicle-gear-position automatic control device according to claim 6, characterized in that, before detecting the gear position state, the brake pedal state, and the driver-side belt state and/or the door state of the vehicle, the detection unit is further configured to:
detecting a vehicle speed of the vehicle;
and when the vehicle speed of the vehicle is less than or equal to a vehicle speed threshold value, executing the step of detecting the gear position state, the brake pedal state, the driver side safety belt state and/or the vehicle door state of the vehicle.
8. The vehicle-gear automatic control device according to claim 7, characterized in that the detection unit includes:
an electronic stability system that detects a speed of the vehicle;
an automatic transmission control unit that detects the gear state;
an engine control module that detects the brake pedal state;
the vehicle body control module detects the state of the vehicle door;
an airbag module that detects a state of the driver-side seatbelt.
9. The vehicle-gear-position automatic control device according to claim 6, characterized in that, when it is detected that the gear position state of the vehicle is a forward gear or a manual gear, the control unit is further configured to:
and when the brake pedal state is detected to be pressed down or the driver side safety belt state is detected to be tied and the door state is detected to be closed, keeping the current gear position state of the vehicle.
10. A vehicle characterized by comprising the vehicle gear position automatic control device according to any one of claims 6 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010364996.XA CN111609124B (en) | 2020-04-30 | 2020-04-30 | Vehicle gear automatic control method and device and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010364996.XA CN111609124B (en) | 2020-04-30 | 2020-04-30 | Vehicle gear automatic control method and device and vehicle |
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| CN111609124A CN111609124A (en) | 2020-09-01 |
| CN111609124B true CN111609124B (en) | 2022-05-06 |
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| CN202010364996.XA Active CN111609124B (en) | 2020-04-30 | 2020-04-30 | Vehicle gear automatic control method and device and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114572168B (en) * | 2021-06-03 | 2024-03-01 | 长城汽车股份有限公司 | Vehicle control method and device and vehicle |
| CN113815530A (en) * | 2021-09-24 | 2021-12-21 | 上汽通用五菱汽车股份有限公司 | Vehicle control method, apparatus and computer-readable storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008000749A1 (en) * | 2008-03-19 | 2009-09-24 | Zf Friedrichshafen Ag | Method for controlling an automatic transmission and control device therefor |
| CN110949353A (en) * | 2019-11-25 | 2020-04-03 | 中国第一汽车股份有限公司 | Parking method, parking device, vehicle and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8992381B1 (en) * | 2013-10-17 | 2015-03-31 | Aisin Seiki Kabushiki Kaisha | Control device for vehicle |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008000749A1 (en) * | 2008-03-19 | 2009-09-24 | Zf Friedrichshafen Ag | Method for controlling an automatic transmission and control device therefor |
| CN110949353A (en) * | 2019-11-25 | 2020-04-03 | 中国第一汽车股份有限公司 | Parking method, parking device, vehicle and storage medium |
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