CN114763836A - Vehicle shift control method and control device - Google Patents
Vehicle shift control method and control device Download PDFInfo
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- CN114763836A CN114763836A CN202110790801.2A CN202110790801A CN114763836A CN 114763836 A CN114763836 A CN 114763836A CN 202110790801 A CN202110790801 A CN 202110790801A CN 114763836 A CN114763836 A CN 114763836A
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims description 27
- 230000006870 function Effects 0.000 description 6
- 230000001960 triggered effect Effects 0.000 description 6
- 238000012790 confirmation Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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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
- F16H61/02—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 characterised by the signals used
- F16H61/0202—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 characterised by the signals used the signals being electric
- F16H61/0204—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
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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
- F16H61/18—Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention provides a gear shift control method and a gear shift control device of a vehicle. According to the gear shifting control method of the vehicle, after the driver sends the request information requesting to enter the N gear, when the vehicle speed is greater than the preset speed threshold, the trigger information of the trigger unit is obtained, which is equivalent to giving the driver a chance to reselect once, so that the vehicle is prevented from being directly switched from the D gear or the R gear to the N gear due to misoperation of the driver or other hardware reasons, and the driving safety is improved.
Description
Technical Field
The invention relates to the technical field of vehicle control methods, in particular to a gear shifting control method of a vehicle. Meanwhile, the invention also relates to a shift control device of a vehicle that can execute the control method.
Background
The gear shift lever of the automobile has two types of ground gears and pocket gears, and the gear shift lever is positioned at the right lower part of a steering wheel and called a pocket gear, and the gear shift lever needs to be pulled into the pocket during gear shifting.
The hand-gear is generally an automatic gear, and a vehicle equipped with an electronic hand-gear is easy to be mistakenly triggered to be engaged into an N gear because a driver is mistakenly operated or is in an off-road working condition in the driving process of a D gear or an R gear, so that the driving safety is influenced.
Disclosure of Invention
In view of the above, the present invention is directed to a shift control method for a vehicle to improve driving safety.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a shift control method of a vehicle, the shift control method comprising:
acquiring the vehicle speed information of the vehicle, the current gear information of the transmission and gear shifting request information requesting to enter an N gear;
enabling a trigger unit when the current gear is a D gear or an R gear and the vehicle speed information is greater than a preset speed threshold;
and after the triggering unit is enabled, acquiring triggering information of the triggering unit within a preset time threshold, and switching the transmission to an N gear according to the gear shifting request information.
Further, when the trigger information is not received within a preset time threshold, the current gear of the transmission is maintained.
Further, when the vehicle speed information is greater than the preset speed threshold, prompt information that the trigger unit needs to be triggered is displayed.
Further, when the vehicle speed information is smaller than the preset speed threshold, the transmission is switched to an N gear according to the gear shifting request information.
Further, the preset speed threshold is (1-3) km/h, and the preset time threshold is (3-7) S.
Further, the trigger unit includes a function key on a steering wheel.
Compared with the prior art, the invention has the following advantages:
according to the gear shifting control method of the vehicle, after the driver sends the request information requesting to enter the N gear, when the vehicle speed is greater than the preset speed threshold, the trigger information of the trigger unit is obtained, which is equivalent to giving the driver a chance to reselect once, so that the vehicle is prevented from being directly switched from the D gear or the R gear to the N gear due to misoperation of the driver or other hardware reasons, and the driving safety is improved.
Another object of the present invention is to provide a shift control device for a vehicle, including an obtaining unit, and a control unit connected to the obtaining unit; the acquisition unit is used for acquiring the vehicle speed information of the vehicle, the current gear information of the transmission and the gear shifting request information requesting to enter an N gear; the control unit is used for enabling the trigger unit when the current gear is a D gear or an R gear and the vehicle speed information is greater than a preset speed threshold; and acquiring trigger information of the trigger unit after the trigger unit is enabled, and switching the transmission to an N gear according to the gear shift request information.
Further, the control unit maintains the current gear of the transmission when the trigger information is not received within a preset time threshold.
Further, the vehicle is provided with a display unit, and the display unit is connected with the control unit; the display unit is used for displaying prompt information needing to trigger the trigger unit when the speed information is greater than the preset speed threshold.
Further, when the vehicle speed information is smaller than the preset speed threshold, the control unit is configured to switch the transmission to an N gear according to the shift request information.
The vehicle gear shifting control device can execute the gear shifting control method, so that after the driver sends request information for requesting to enter the N gear, and when the vehicle speed is greater than the preset speed threshold value, the trigger information of the trigger unit is obtained, which is equivalent to giving the driver a chance to reselect once, so that the vehicle is prevented from being directly switched from the D gear or the R gear to the N gear due to misoperation of the driver or other hardware reasons, and the driving safety is improved.
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 flowchart of a shift control method of a vehicle according to an embodiment of the present invention;
FIG. 2 is an exemplary flowchart of a shift control method of a vehicle according to an embodiment of the present invention;
FIG. 3 is still another exemplary flowchart of a shift control method of a vehicle according to an embodiment of the present invention;
fig. 4 is a block diagram showing a configuration of a shift control device for a vehicle according to an embodiment of the present invention.
Description of the reference numerals:
1. an acquisition unit; 2. a control unit; 3. a trigger unit; 4. a display unit.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in conjunction with specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The embodiment relates to a gear shifting control method of a vehicle, which can be applied to gear shifting control of the hand gear of the vehicle, and the control method comprises the steps of acquiring triggering information triggered by a triggering unit after receiving request information for requesting to enter an N gear, and switching to the N gear or maintaining the current gear according to whether the triggering information is received or not.
Based on the above description, and with reference to fig. 1 and 4, the shift control method of the vehicle according to the present embodiment includes the following specific steps:
101. vehicle speed information of a vehicle, current gear information of a transmission, and shift request information requesting entry into an N-range are acquired.
In this step, the vehicle speed information, the current gear information, and the shift request information are acquired in a manner that is referred to in the related art.
102. And when the current gear is a D gear or an R gear, enabling the trigger unit 3 and simultaneously displaying prompt information for triggering the trigger unit 3 if the vehicle speed information is greater than a preset speed threshold, and switching the transmission to an N gear according to the gear shifting request information if the vehicle speed information is less than the preset speed threshold.
In this step, the predetermined speed threshold is (1-3) km/h, preferably 2km/h, but it can of course be set to other speeds, such as 1.5km/h, 2.5km/h or 3 km/h. The triggering unit 3 preferably adopts a function key on the steering wheel, which may be a virtual key or a physical key, and in this embodiment, the triggering unit 3 adopts an "OK" key on the steering wheel, which needs to be triggered by the driver and may have other functions, which are only temporarily invoked within a preset time threshold.
It should be noted that, when the trigger unit 3 is temporarily called within the preset time threshold, the trigger unit 3 is enabled, that is, the trigger unit 3 originally has other functions, and only when the vehicle gear control method of the present embodiment is executed, the trigger unit 3 is temporarily used to have the functions of the present embodiment.
103. After the trigger unit 3 is enabled, the trigger information of the trigger unit 3 is acquired within a preset time threshold, the transmission is switched to the N gear according to the gear shifting request information, and when the trigger information is not received within the preset time threshold, the current gear of the transmission is maintained.
In this step, the preset time threshold is (3-7) S, preferably 5S, and in addition, it may be 3S, 4S, 6S, etc.
Based on the above description, the shift control method of the vehicle as above will be described in detail below with reference to fig. 2 and 3, respectively. Fig. 2 shows the situation when the vehicle speed is less than the preset speed threshold, and fig. 3 shows the situation when the vehicle speed is greater than the preset speed threshold.
Specifically, as shown in fig. 2, when the current gear is D gear or R gear and the vehicle speed is less than 2km/h, if N gear is requested, the vehicle speed information, the current gear information, and the shift request information may be transmitted to a TCU (Transmission Control Unit, hereinafter referred to as TCU) to be described later, and the TCU controls the Transmission to shift to N gear.
As shown in fig. 3, when the current gear is D gear or R gear and the vehicle speed is greater than 2km/h, if N gear is requested, the vehicle speed information, the current gear information and the shift request information may be transmitted to the TCU, and the TCU may simultaneously transmit the CAN signal to the display unit 4 and the trigger unit 3, wherein the display unit 4 may display a prompt message that the trigger unit 3 needs to be triggered, for example, it may display "in driving state, there is driving risk in switching to N gear, and ok key needs to be pressed for confirmation", the display time is preferably consistent with the preset time threshold, for example, it may be 5S, and the enabled time of the trigger unit 3 is also preferably consistent with the preset time threshold, for example, it may be 5S.
And in 5S, if the driver presses an ok key for confirmation, the transmission is switched to the N gear according to the gear shifting request information, and if the driver does not press the ok key for confirmation, the current gear is maintained, namely the D gear is maintained when the current gear is the D gear, and the R gear is maintained when the current gear is the R gear.
Meanwhile, the present embodiment also relates to a shift control device of a vehicle that can execute the control method as described above, which mainly includes an acquisition unit 1, a control unit 2, a display unit 4, and a trigger unit 3, as shown in fig. 4, and the control unit 2 is connected to the acquisition unit 1, the display unit 4, and the trigger unit 3, respectively.
The acquiring unit 1 is used for acquiring vehicle speed information of a vehicle, current gear information of a transmission and gear shifting request information for requesting to enter an N gear.
The control unit 2 preferably adopts the existing TCU, and besides, it may also adopt other existing structures that can perform the following functions, and it is used to enable the trigger unit 3 when the current gear is D gear or R gear, and the vehicle speed information is greater than the preset speed threshold; and after the trigger unit 3 is enabled, acquiring trigger information of the trigger unit 3, and switching the transmission to the N-gear according to the gear shift request information, if the trigger information is not received within a preset time threshold, the control unit 2 maintains the current gear of the transmission. When the vehicle speed information is less than the preset speed threshold, the control unit 2 is configured to shift the transmission to the N-gear according to the shift request information.
The display unit 4 is preferably an existing structure on the vehicle, and may be a display screen on the vehicle, for example, and is used for displaying a prompt message that the trigger unit 3 needs to be triggered when the vehicle speed information is greater than a preset speed threshold.
The present embodiment also relates to a computer program comprising computer readable code which, when run on a computing processing device, such as a computer, executes the gear shift control method of the vehicle of the present embodiment.
Meanwhile, the embodiment also relates to a computer readable medium for storing the computer program.
Furthermore, the present embodiment also relates to a calculation processing apparatus that includes a processor and a memory, and the memory stores therein the computer-readable program code as above, and when the processor executes the computer-readable program code, the calculation processing apparatus executes the shift control method of the vehicle of the present embodiment.
After the driver sends the request information requesting to enter the N-range, and when the vehicle speed is greater than the preset speed threshold, the trigger information of the trigger unit 3 is acquired, which is equivalent to giving the driver a chance to reselect once, so as to prevent the vehicle from being directly switched from the D-range or the R-range to the N-range due to misoperation of the driver or other hardware reasons, and thus the driving safety can be improved.
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 shift control method of a vehicle, characterized by comprising:
acquiring the vehicle speed information of the vehicle, the current gear information of the transmission and gear shifting request information requesting to enter an N gear;
enabling a trigger unit (3) when the current gear is a D gear or an R gear and the vehicle speed information is greater than a preset speed threshold;
after the triggering unit (3) is enabled, triggering information of the triggering unit (3) is acquired within a preset time threshold, and the transmission is switched to an N gear according to the gear shifting request information.
2. The shift control method of a vehicle according to claim 1, characterized in that:
maintaining the current gear of the transmission when the trigger information is not received within a preset time threshold.
3. The shift control method of a vehicle according to claim 1, characterized in that:
and when the vehicle speed information is greater than the preset speed threshold, displaying prompt information needing to trigger the trigger unit (3).
4. The shift control method of a vehicle according to claim 1, characterized in that:
and when the vehicle speed information is smaller than the preset speed threshold value, switching the transmission to an N gear according to the gear shifting request information.
5. The shift control method of a vehicle according to claim 1, characterized in that:
the preset speed threshold value is (1-3) km/h, and the preset time threshold value is (3-7) S.
6. The shift control method of a vehicle according to any one of claims 1 to 5, characterized in that:
the trigger unit (3) comprises a function key on a steering wheel.
7. A shift control device of a vehicle, characterized in that:
comprises an acquisition unit (1) and a control unit (2) connected with the acquisition unit (1);
the acquisition unit (1) is used for acquiring vehicle speed information of the vehicle, current gear information of a transmission and gear shifting request information requesting to enter an N gear;
the control unit (2) is used for enabling the trigger unit (3) when the current gear is a D gear or an R gear and the vehicle speed information is greater than a preset speed threshold; and acquiring trigger information of the trigger unit (3) after the trigger unit (3) is enabled, and switching the transmission to an N gear according to the gear shift request information.
8. The shift control device of a vehicle according to claim 7, characterized in that:
when the trigger information is not received within a preset time threshold, the control unit (2) maintains the current gear of the transmission.
9. The shift control device of a vehicle according to claim 7, characterized in that:
the vehicle has a display unit (4), the display unit (4) being connected to the control unit (2);
the display unit (4) is used for displaying prompt information needing to trigger the trigger unit (3) when the vehicle speed information is larger than the preset speed threshold.
10. The shift control device of a vehicle according to claim 7, characterized in that:
and when the vehicle speed information is smaller than the preset speed threshold value, the control unit (2) is used for switching the transmission to an N gear according to the gear shifting request information.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN202110790801.2A CN114763836A (en) | 2021-07-13 | 2021-07-13 | Vehicle shift control method and control device |
PCT/CN2022/101087 WO2023284524A1 (en) | 2021-07-13 | 2022-06-24 | Gear shift control method and control apparatus for vehicle, and computer program, readable medium and computation processing device |
Applications Claiming Priority (1)
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CN202110790801.2A CN114763836A (en) | 2021-07-13 | 2021-07-13 | Vehicle shift control method and control device |
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CN114763836A true CN114763836A (en) | 2022-07-19 |
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CN202110790801.2A Pending CN114763836A (en) | 2021-07-13 | 2021-07-13 | Vehicle shift control method and control device |
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WO (1) | WO2023284524A1 (en) |
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CN103802831B (en) * | 2012-11-07 | 2016-05-04 | 北汽福田汽车股份有限公司 | The control method of electric automobile |
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JP6647324B2 (en) * | 2018-01-15 | 2020-02-14 | 本田技研工業株式会社 | Control device |
CN112046396B (en) * | 2020-09-11 | 2022-05-10 | 上海小鹏汽车科技有限公司 | Method and device for preventing mistaken touch of gears in vehicle |
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2021
- 2021-07-13 CN CN202110790801.2A patent/CN114763836A/en active Pending
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2022
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CN1211693A (en) * | 1997-09-13 | 1999-03-24 | 本田技研工业株式会社 | Speed variating controlling method for electric speed variator |
JP2002257226A (en) * | 2001-02-28 | 2002-09-11 | Tokai Rika Co Ltd | Transmission control device for vehicle |
JP2009270626A (en) * | 2008-05-07 | 2009-11-19 | Toyota Motor Corp | Controller of automatic transmission |
JP2009270689A (en) * | 2008-05-10 | 2009-11-19 | Toyota Motor Corp | Shift control device for vehicle |
CN105317995A (en) * | 2014-06-02 | 2016-02-10 | 株式会社电装 | Shift position switching controller |
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CN106438993A (en) * | 2016-11-09 | 2017-02-22 | 盛瑞传动股份有限公司 | Method for preventing an automatic gearbox from mistakenly putting into N gear |
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Application publication date: 20220719 |