KR20160036253A - Method for controlling transmission of vehicle and apparatus performing the same - Google Patents

Method for controlling transmission of vehicle and apparatus performing the same Download PDF

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Publication number
KR20160036253A
KR20160036253A KR1020140128216A KR20140128216A KR20160036253A KR 20160036253 A KR20160036253 A KR 20160036253A KR 1020140128216 A KR1020140128216 A KR 1020140128216A KR 20140128216 A KR20140128216 A KR 20140128216A KR 20160036253 A KR20160036253 A KR 20160036253A
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KR
South Korea
Prior art keywords
vehicle
speed
mode
position switch
transmission control
Prior art date
Application number
KR1020140128216A
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Korean (ko)
Inventor
김연태
Original Assignee
주식회사 현대케피코
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Priority to KR1020140128216A priority Critical patent/KR20160036253A/en
Publication of KR20160036253A publication Critical patent/KR20160036253A/en

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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
    • 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
    • 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
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)

Abstract

The present invention relates to a transmission control technique, and more particularly, to a transmission control technique, which includes a step of confirming whether a position switch of the vehicle is located in any one of a parking mode P, a reverse mode R, a neutral mode N and a driving mode D Detecting whether the position of the position switch is moved to the parking mode (P) if the position of the position switch is in the reverse mode (R), detecting whether the position of the position switch is moved to the parking mode Determining whether the speed of the vehicle is equal to or greater than a predetermined first critical speed by checking the speed of the vehicle and determining whether the speed of the vehicle is equal to or greater than the first critical speed, And controlling the vehicle to operate in the neutral mode (N) irrespective of whether the vehicle is in neutral mode (N). Therefore, it is possible to prevent a safety accident or a shift shock of the vehicle which may occur when the position lever is forcibly operated in the traveling state of the vehicle.

Description

TECHNICAL FIELD [0001] The present invention relates to a transmission control method and a transmission control method for performing the same,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a transmission control technology, and more particularly, to a transmission control technology for preventing a safety accident or a shift shock of a vehicle when a position lever is forcibly operated in a traveling state, The present invention relates to a transmission control method for controlling the operation mode of a vehicle and the positional shift of a position switch and a transmission control device for performing the same.

In driving an automatic transmission equipped vehicle, there are drivers who forcibly move the position of the position lever due to insufficient driving in the running state of the vehicle. For example, when the vehicle is operating in the reverse mode R, the position lever may be forcibly moved to the parking mode P without stopping the brake pedal. Such unacceptable manipulation of the position lever may cause a shift shock inside the transmission due to the flow path of the valve body.

In order to solve the above-described problems, various technologies have been provided in the related art using a hardware configuration such as a shift lock solenoid as a technical means.

Japanese Unexamined Patent Application Publication No. 2002-254944 discloses a shift device. When a vehicle speed exceeds a predetermined speed, a solenoid is energized to move a specific pin upward so as to be fitted in a groove, Can be prevented.

Korean Patent Publication No. 2005-0120941 relates to a shift lock solenoid of a shift lever, which is inserted into a housing so as to be movable back and forth or up and down while one end of the lock cam is interlocked with a lock cam provided to restrict shift of a shift lever. Two stoppers provided at predetermined intervals on the movement path of the plunger to limit the amount of movement of the plunger in the forward, backward, or up and down directions, The air in the housing acts as a damper to the plunger so that the impact speed of the plunger and the stopper can be reduced to reduce the impact force of the plunger and the stopper, Vibration and noise can be reduced, manufacturing is easy, and cost can be reduced. It appears.

The prior arts such as the above prior arts prevent the positional change of the unreasonable position lever through the hardware configuration but can precisely prevent the shift lock solenoid and the position lever by changing the position of the shift lock solenoid and the position lever, Technology is not provided.

Japanese Patent Laid-Open No. 2002-254944 Korean Patent Publication No. 2005-0120941

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a position switch and a vehicle speed control method for preventing a safety accident or a shift shock of a vehicle, which may occur when a position lever is forcibly operated, And to provide a transmission control method for controlling the operation mode of the vehicle and the position shift of the position switch.

The present invention as a technical means for solving the above problems is characterized in that (a) the position switch of the vehicle is located in any one of a parking mode (P), a reverse mode (R), a neutral mode (N) Checking whether or not the image is displayed; (b) detecting whether the position of the position switch is shifted to the parking mode (P) if the position of the identified position switch corresponds to the backward mode (R); (c) if the position of the position switch is moved to the parking mode (P), checking the speed of the vehicle and determining whether the speed of the vehicle is equal to or greater than a predetermined first threshold speed; And (d) controlling the vehicle to operate in a neutral mode (N) regardless of the position of the position switch if the speed of the vehicle is above the first threshold speed.

(E) checking the speed of the vehicle at a predetermined time unit and controlling the vehicle to operate in the parking mode (P) when the speed of the vehicle is less than the first threshold speed Step < / RTI >

In a preferred embodiment of the present invention, after the step (a), (b-1) the position of the identified position switch corresponds to one of the parking mode P, the neutral mode N and the driving mode D Confirming the speed of the vehicle and the brake operation state of the vehicle; And (c-1) controlling the position switch to allow the position switch to the backward mode (R) if the speed of the identified vehicle is less than or equal to a second predetermined threshold speed and the brake of the vehicle is in an operating state; .

In a preferred embodiment of the present invention, when the detected speed of the vehicle exceeds the second threshold speed or the brake of the vehicle is not in an operating state after the step (b-1), (c-2) (R) of the backward mode (R).

The present invention as a technical means for solving the above problems is characterized in that whether or not the position switch of the vehicle is located in the parking mode P, the reverse mode R, the neutral mode N and the driving mode D A position switch status confirmation unit for confirming the status; A vehicle speed confirmation unit for confirming the speed of the vehicle; And a transmission controller for controlling at least one of an operation mode of the vehicle and a position switch of the position switch based on the position of the position switch and the speed of the vehicle, When the position of the position switch corresponds to the backward mode R, it is detected whether the position of the position switch is moved to the parking mode P. When the position of the position switch is moved to the parking mode P, Determining whether the speed of the vehicle detected by the checking unit is equal to or greater than a predetermined first threshold speed; and if the speed of the vehicle is equal to or greater than the first threshold speed, Mode (N).

In a preferred embodiment of the present invention, the transmission control unit confirms the speed of the vehicle by a predetermined time unit through the vehicle speed check unit, and when the speed of the vehicle is less than the first threshold speed, P).

In a preferred embodiment of the present invention, the transmission control unit may control the permission or restriction of the positional shift with respect to the position switch through the shift lock solenoid of the vehicle.

According to the transmission control method of the present invention and the transmission control device performing the same, it is possible to prevent a safety accident or a shift shock of the vehicle when the position lever is forcibly operated in a traveling state of the vehicle. In addition, the transmission control technology can be implemented in software without adding a hardware configuration, thereby reducing the cost.

1 is a block diagram for explaining a transmission control system according to an embodiment of the present invention;
2 is a block diagram for explaining a transmission control apparatus according to an embodiment of the present invention;
3 is a flow chart for explaining a transmission control method according to the present invention.
4 is a flowchart illustrating a method of controlling a transmission according to an embodiment of the present invention.
5 is a flowchart illustrating a method of controlling a transmission according to another embodiment of the present invention.
6 is a flowchart illustrating a method of controlling a transmission according to another embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram illustrating a transmission control system according to an embodiment of the present invention.

Referring to Figure 1, a transmission control system 100 may include a transmission control device 110, a vehicle sensor 120, a transmission 130, and a shift lock solenoid 140. Here, the transmission control device 110 is connected to the vehicle sensor 120, the transmission 130, and the shift lock solenoid 140 via a network in the vehicle, and can exchange electrical signals with each other.

The transmission control device 110 may correspond to a computing device installed in the vehicle and performing the transmission control method according to the present invention. In one embodiment, the transmission control device 110 may be embodied in a TCU (Transmission Control Unit) installed in a vehicle, or may be implemented as a device physically independent of the TCU.

The vehicle sensor 120 may include at least one sensor mounted on the vehicle. For example, the vehicle sensor 120 may generate sensing data for at least one of the position information of the position switch, the vehicle speed information, the brake status information, and the igniter status information, The sensing data can be transmitted.

The transmission control unit 110 can control the transmission 130 and the shift lock solenoid 140 through control command signals, respectively. Here, the transmission control device 110 can control the transmission 130 to operate in one of the parking mode P, the reverse mode R, the neutral mode N, and the driving mode D have.

In one embodiment, the transmission control device 110 can control the operating mode of the vehicle regardless of the position of the position switch. For example, the transmission control device 110 can control to operate in the neutral mode N through the control command signal for the transmission 130, even if the position switch is located in the parking mode R. [ That is, even if the position lever is placed at the R-end in the driver's position, the vehicle can be operated in the N-th stage.

In one embodiment, the transmission control device 110 may control Locked and Released of the shift lock solenoid 140 via a control command signal.

2 is a block diagram for explaining a transmission control apparatus according to an embodiment of the present invention.

The transmission control unit 110 includes a position switch state check unit 111, a vehicle speed check unit 112, a brake operation state check unit 113, a transmission control unit 114, and a control unit 115.

The position switch state confirmation unit 111 confirms whether the position switch of the vehicle is located in the parking mode P, the reverse mode R, the neutral mode N, and the driving mode D.

The vehicle speed confirmation unit 112 confirms the speed of the vehicle.

The brake operation state confirmation unit 113 confirms the brake operation state of the vehicle. In one embodiment, the brake operation state confirmation unit 113 can confirm the operation state (ON) and the non-operation state (OFF) of the brake.

In one embodiment, each of the position switch state check unit 111, the vehicle speed check unit 112, and the brake operation state check unit 113 may receive the corresponding data from the vehicle sensor 120.

The transmission control unit 114 can control at least one of the operation mode of the vehicle and the positional movement of the position switch based on the position of the position switch and the speed of the vehicle.

In one embodiment, the transmission control 114 may control the position release of the position switch via the shift lock solenoid 140 (Released) or Locked.

In one embodiment, the transmission control unit 114 can control the operation mode of the vehicle regardless of the position of the position switch. For example, the transmission control device 110 can control to operate in the neutral mode N through the control command signal for the transmission 130, even if the position switch is located in the parking mode R. [

In one embodiment, the transmission controller 114 may determine whether the transmission control unit 110 is in a normal state through at least one of a brake state signal, a position switch state signal, a CAN signal, and an ignition device state signal. Here, the transmission controller 114 can determine whether each signal satisfies a predetermined control condition range to determine a normal state.

The operation of the transmission controller 114 according to the present invention will be described later with reference to Figs. 3 to 6. Fig.

The control unit 115 controls the operation of the position switch state check unit 111, the vehicle speed check unit 112, the brake condition check unit 113, and the transmission control unit 114 and the flow of data.

Hereinafter, a transmission control method performed by the transmission control device 110 according to the present invention will be described with reference to FIGS. 3 to 6. FIG.

3 is a flowchart illustrating a method of controlling the transmission according to the present invention.

3, the position switch status confirmation unit 111 determines whether the position switch of the vehicle is located in the parking mode P, the reverse mode R, the neutral mode N, and the driving mode D (Step S310).

The transmission controller 114 determines whether the position of the identified position switch corresponds to the reverse mode R (step S320).

If the position of the position switch corresponds to the reverse mode R, the transmission controller 114 detects whether the position of the position switch is moved to the parking mode P (step S330).

If the position of the position switch is moved to the parking mode P, the transmission controller 114 checks the speed of the vehicle through the vehicle speed check unit 112 to determine whether the speed of the vehicle is equal to or greater than the first threshold speed (Step S340). Here, the first critical speed may correspond to a pre-set speed value, for example, may be set to 2 km / h.

If the speed of the vehicle is equal to or greater than the first threshold speed, the transmission control unit 114 can control the transmission 130 to operate the vehicle in the neutral mode N regardless of the position of the position switch (step S350).

If the speed of the vehicle is less than the first threshold speed, the transmission controller 114 can control the vehicle to operate in the parking mode P according to the position of the position switch (step S351).

That is, even if the driver moves the switch lever from the reverse mode R to the parking mode P during the vehicle running at a specific speed or higher, the transmission control method according to the present invention substantially reduces the vehicle to the neutral mode N By controlling the transmission 130 so as to operate, the shift shock phenomenon can be stably prevented.

4 is a flowchart illustrating a method of controlling a transmission according to an embodiment of the present invention. Meanwhile, FIG. 4 is a flowchart for explaining an embodiment of step S330 of the transmission control method described with reference to FIG. 3 will not be described in detail, but it will be understood by those skilled in the art that the present invention can be clearly understood and easily implemented.

4, when the position switch state check unit 111 confirms the position of the position switch of the vehicle (step S410), the transmission control unit 114 determines whether the position of the identified position switch corresponds to the reverse mode R (Step S420).

In one embodiment, when the position of the position switch corresponds to the reverse mode R, the transmission controller 114 controls the brake operation state confirmation unit 113 so that the brake operation state (ON) and the non-operation state (OFF) It is possible to confirm whether or not the position of the position switch is moved to the parking mode P (step S430).

Here, when the brake is in the ON state and the position of the position switch is moved to the parking mode P, the transmission controller 114 determines whether the speed of the vehicle is equal to or greater than the first threshold speed (step S440).

If the speed of the vehicle is equal to or greater than the first threshold speed, the transmission controller 114 controls the transmission 130 to operate the vehicle in the neutral mode N regardless of the position of the position switch (step S450) It is possible to control the vehicle to operate in the parking mode P according to the position of the rear surface position switch (step S451).

That is, since it is safe to switch from the reverse mode R to the parking mode P when the driver is sufficiently decelerated while the brake pedal is depressed, the transmission control method according to an embodiment of the present invention is not limited to the operation state of the brake The transmission can be controlled with further consideration.

5 is a flowchart illustrating a method of controlling a transmission according to another embodiment of the present invention. 5 is a flowchart illustrating an embodiment of the transmission control method described with reference to FIG. 3, which may be performed after step S350. 3 will not be described in detail, but it will be understood by those skilled in the art that the present invention can be clearly understood and easily implemented.

5, the transmission control method according to another embodiment of the present invention performs steps S510 to S550 so that the position of the position switch is shifted from the reverse mode R to the parking mode P, 1 threshold speed and the position switch is in the reverse mode R but the vehicle is being controlled to operate in the neutral mode N. [

Here, the transmission control unit 114 can check the speed of the vehicle every predetermined time unit and determine whether the speed of the vehicle is less than the first threshold speed (step S560).

When the speed of the vehicle becomes less than the first threshold speed, the transmission controller 114 can control the vehicle to operate in the parking mode P (step S570).

That is, when the vehicle is sufficiently decelerated, by controlling the vehicle so as to operate in the parking mode P in accordance with the position of the position lever, the driver can stably prevent the shift shock of the vehicle without recognizing the erroneous operation of the position lever.

6 is a flowchart illustrating a method of controlling a transmission according to another embodiment of the present invention. 6 is a flowchart illustrating an embodiment in which the position of the position switch is not in the reverse mode R after performing the steps S320, S420, and S520 in the transmission control method described with reference to FIGS. to be. 3 to 5 will not be described in detail, but it will be understood by those skilled in the art that the present invention can be clearly understood and easily implemented.

Referring to FIG. 6, the position switch state check unit 111 confirms the position of the position switch of the vehicle (step S610).

The transmission controller 114 determines whether the position of the identified position switch corresponds to the reverse mode R (step S620).

Here, if the position of the position switch corresponds to the reverse mode R, the same process as the transmission control method described with reference to FIGS. 3 to 5 may be performed.

If the position of the position switch corresponds to any one of the parking mode P, the neutral mode N and the driving mode D, the transmission controller 114 can check the speed and the brake operation state of the vehicle (step S631) .

If the speed of the vehicle is equal to or less than the second threshold speed and the brake of the vehicle is in the ON state, the transmission control section 114 can control to allow the position switch to move to the reverse mode R (step S641) . Here, the second threshold speed may correspond to a previously set speed value, for example, may be set to 7 km / h.

If the speed of the vehicle exceeds the second threshold speed or the brake of the vehicle is in the non-operating state (OFF), the transmission control section 114 can control to limit the position shift of the position switch to the reverse mode R (step S642 ).

In one embodiment, the transmission control 114 may control the position release of the position switch via the shift lock solenoid 140 (Released) or Locked.

That is, the transmission control method according to the present invention prevents the user from moving the position lever through the shift lock solenoid 140 when the driver does not brake or the vehicle is not sufficiently decelerated, thereby stably preventing the shift shock phenomenon .

Although the present invention has been described in connection with certain exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Therefore, the scope of the present invention should not be limited by the described embodiments, but should be defined by the appended claims and equivalents thereof.

Meanwhile, the above-described transmission control method according to the present invention can be implemented as a computer-readable code on a computer-readable recording medium. The computer-readable recording medium may include a recording apparatus that stores data that can be read by a computer system.

100: Transmission control system
110: Transmission controller
120: vehicle sensor
130: Transmission
140: Shift lock solenoid
111: Position switch status check section
112: Vehicle speed check unit
113: Brake operation status confirmation unit
114: Transmission control section 114
115:

Claims (8)

A transmission control method performed by a transmission control device installed in a vehicle,
(a) confirming whether the position switch of the vehicle is located in any one of a parking mode (P), a reverse mode (R), a neutral mode (N) and a driving mode (D);
(b) detecting whether the position of the position switch is shifted to the parking mode (P) if the position of the identified position switch corresponds to the backward mode (R);
(c) if the position of the position switch is moved to the parking mode (P), checking the speed of the vehicle and determining whether the speed of the vehicle is equal to or greater than a predetermined first threshold speed; And
(d) controlling the vehicle to operate in a neutral mode (N) regardless of the position of the position switch if the speed of the vehicle is above the first threshold speed. The method according to claim 1,
(e) checking the speed of the vehicle at every predetermined time unit and controlling the vehicle to operate in the parking mode (P) when the speed of the vehicle is less than the first threshold speed Gt; The method according to claim 1,
After the step (a)
(b-1) If the position of the identified position switch corresponds to one of the parking mode (P), the neutral mode (N) and the driving mode (D), the speed of the vehicle and the brake operation state of the vehicle ; And
(c-1) controlling the position switch to allow the position switch to the backward mode (R) if the speed of the vehicle is less than a predetermined second threshold speed and the brake of the vehicle is in an operating state And wherein the transmission control means controls the transmission of the transmission torque. The method of claim 3,
After the step (b-1)
(c-2) controlling the position switch to limit the movement of the position switch to the backward mode (R) if the speed of the identified vehicle exceeds the second critical speed or the brake of the vehicle is not in operation Further comprising the steps of: 1. A transmission control device installed in a vehicle,
A position switch state confirmation unit for confirming whether the position switch of the vehicle is located in the parking mode (P), the reverse mode (R), the neutral mode (N), and the driving mode (D);
A vehicle speed confirmation unit for confirming the speed of the vehicle; And
And a transmission control unit for controlling at least one of an operation mode of the vehicle and a position movement of the position switch based on the position of the position switch and the speed of the vehicle,
The transmission control unit
And a controller for detecting whether the position of the position switch is shifted to the parking mode (P) if the position of the position switch confirmed by the position switch state checking unit corresponds to the backward mode (R) (P), it is determined whether the vehicle speed detected by the vehicle speed check unit is equal to or greater than a predetermined first threshold speed. If the detected speed of the vehicle is equal to or greater than the first threshold speed, Wherein the control unit controls the vehicle to operate in the neutral mode (N) regardless of the position of the vehicle. The transmission control apparatus according to claim 5,
Wherein the control unit checks the speed of the vehicle by a predetermined time unit through the vehicle speed confirmation unit and controls the vehicle to operate in the parking mode (P) when the speed of the vehicle becomes less than the first threshold speed. controller. The method of claim 5,
Further comprising: a brake operation state confirmation unit for confirming a brake operation state of the vehicle;
The transmission control unit
Wherein when the position of the identified position switch corresponds to one of the parking mode (P), the neutral mode (N) and the driving mode (D), the speed of the identified vehicle is less than a predetermined second threshold speed, If the detected speed of the vehicle exceeds the second threshold speed or the brake of the vehicle is not in the operating state, the control unit controls the position switch to allow the position switch to move to the reverse mode R if the brake of the position switch is in the operating state, And controls the position switch to limit the movement of the position switch to the reverse mode (R). The transmission control device according to claim 7,
And controls the permission or restriction of the positional shift with respect to the position switch via a shift lock solenoid of the vehicle.
KR1020140128216A 2014-09-25 2014-09-25 Method for controlling transmission of vehicle and apparatus performing the same KR20160036253A (en)

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Application Number Priority Date Filing Date Title
KR1020140128216A KR20160036253A (en) 2014-09-25 2014-09-25 Method for controlling transmission of vehicle and apparatus performing the same

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102484102B1 (en) * 2022-05-18 2023-01-04 주식회사 긴트 Device and method for determining position of parking mode of position lever detent so that motor-integrated controller learns the position of gear stage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102484102B1 (en) * 2022-05-18 2023-01-04 주식회사 긴트 Device and method for determining position of parking mode of position lever detent so that motor-integrated controller learns the position of gear stage

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