KR20130001496A - Automatic transmission controlling system and method when a position shifting solenoid is failed - Google Patents

Automatic transmission controlling system and method when a position shifting solenoid is failed Download PDF

Info

Publication number
KR20130001496A
KR20130001496A KR1020110062287A KR20110062287A KR20130001496A KR 20130001496 A KR20130001496 A KR 20130001496A KR 1020110062287 A KR1020110062287 A KR 1020110062287A KR 20110062287 A KR20110062287 A KR 20110062287A KR 20130001496 A KR20130001496 A KR 20130001496A
Authority
KR
South Korea
Prior art keywords
automatic transmission
stage
position change
shift
gear ratio
Prior art date
Application number
KR1020110062287A
Other languages
Korean (ko)
Inventor
박재우
Original Assignee
주식회사 현대케피코
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 현대케피코 filed Critical 주식회사 현대케피코
Priority to KR1020110062287A priority Critical patent/KR20130001496A/en
Publication of KR20130001496A publication Critical patent/KR20130001496A/en

Links

Images

Classifications

    • 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
    • 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
    • F16H2061/1208—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures with diagnostic check cycles; Monitoring of failures
    • F16H2061/1216—Display or indication of detected failures
    • 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
    • F16H2061/1256—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected
    • F16H2061/126—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected the failing part is the controller
    • F16H2061/1264—Hydraulic parts of the controller, e.g. a sticking valve or clogged channel
    • 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 present invention relates to an automatic transmission control device and a method for failing a position change solenoid, the control device (1) includes a position change solenoid (3); Transmission input and output speed detection units 5 and 6; Shift control unit 7; And a stage change solenoid (9); the control method includes: an R stage shift checking step (S10) of checking whether the driver intends to shift to the R stage; A transmission input / output speed ratio calculating step (S20) for calculating an input / output speed ratio Vo / Vi of the automatic transmission 13; A speed ratio gear ratio comparing step (S30) of comparing the calculated gear input / output speed ratio (Vo / Vi) with the gear ratio of the R stage of the automatic transmission (13); A position change solenoid failure checking step (S40) determining that the position change solenoid is failed when the transmission input / output speed ratio (Vo / Vi) and the gear ratio of the R stage do not match; And a follow-up step (S50) in which the driver misinterprets the automatic transmission 13 to the R-speed shift state and performs safety measures before operating the vehicle. Therefore, the speed ratio measured through the transmission is determined. When the gear ratio intended by the driver and the driver do not coincide with each other, by taking the action of forcibly shifting the number of gears to the N-speed by the position change solenoid. Safety measures for automatic transmission failures can be taken immediately.

Description

Automatic transmission controlling system and method when a Position shifting solenoid is failed}

The present invention relates to an automatic transmission control apparatus and a method for failing a position change solenoid, and more particularly to a vehicle, in particular, a shift-by-wire vehicle in which a shift position of a gear is not visually clearly distinguished. The present invention relates to an automatic transmission control device and a method for failing a position change solenoid that is shifted so as not to cause an accident due to a shift inconsistent with a driver's operation intention.

In general, not only a vehicle employing an automatic transmission in which the shift position of the shift lever is visually clearly distinguished by the driver, but also a shift-by-wire type in which the current shift stage is not easily grasped by the position of the shift lever 101. In the case of a vehicle employing an automatic transmission, the shifting state of the shift lever and the shifting intention of the driver may vary.

In particular, even if the parts essential for the operation of the automatic transmission, such as the position change solenoid of the automatic transmission, fail, the driver does not know that the vehicle shift is different from the intended one due to inadvertent operation. Since it is not shifted in one place, there is a problem that a fire accident occurs when the vehicle runs contrary to the intention of the driver.

The present invention has been made to solve the above problems of the conventional shift-by-wire type transmission vehicle, regardless of the driver's mistake or parts failure of the automatic transmission by using the input and output speed before and after the automatic transmission does not affect the driver. By measuring the true transmission ratio of the current vehicle, and comparing the transmission ratio intended by the driver to determine whether the current automatic transmission, in particular, the failure of the moving parts that cause the shift, the safety measures are quickly made The objective is to prevent accidents caused by automatic transmission failure or inadvertent driver's accident.

In order to achieve the above object, the present invention provides a position change solenoid for operating a shift actuator to shift the automatic transmission to the R stage when an R gear shift is intended for the automatic transmission by a shift lever operation; A transmission input and output speed detection unit mounted on each of the automatic transmission input / output sides and configured to detect an input speed and an output speed of the automatic transmission when an R stage shift is intended for the automatic transmission by manipulation of the transmission lever; A shift controller configured to calculate an automatic transmission input / output speed ratio based on an input speed and an output speed of the automatic transmission sensed by the detection unit, and compare the calculated speed ratio with the R gear ratio and the forward gear ratio of the automatic transmission; And a step change solenoid forcibly shifting the shift stage to the N stage when the speed ratio and the respective gear ratio are determined to be inconsistent by a comparison result by the shift control unit. Provide a control device.

The apparatus may further include a position change solenoid failure warning unit that warns that the position change solenoid has failed when the transmission input / output speed ratio and the R gear ratio and the forward gear ratio of the respective automatic transmissions do not coincide with each other. It is desirable to.

In addition, the transmission input speed detection unit is preferably a turbine speed sensor of the torque converter.

In another aspect, the present invention is the R-shift check step of confirming whether the driver intended to shift the automatic transmission to the R-speed by the shift lever operation; A transmission input / output speed ratio calculating step of calculating an input / output speed ratio of the automatic transmission by checking an input speed and an output speed of the automatic transmission when it is confirmed that the shift lever is operated to the R stage in the R stage shift checking step; A speed ratio gear ratio comparing step of comparing the gear ratio of the transmission input / output speed ratio calculated in the transmission input / output speed ratio calculation step with the gear ratio of the automatic transmission R stage; A position change solenoid failure checking step of determining that the position change solenoid has failed when the transmission input / output speed ratio and the gear ratio of the R stage do not coincide with each other as a result of the comparison in the speed ratio gear ratio comparison step; And determining that the position change solenoid has failed in the step of checking the position change solenoid, and then a driver correcting the automatic transmission to the R-shift state and taking safety measures before operating the vehicle. Provides an automatic transmission control method when a position change solenoid fails.

Further, when the speed ratio gear ratio comparison step, when the transmission input and output speed ratio and the gear ratio of the R stage does not match, the transmission input and output speed ratio and the forward gear ratio of the automatic transmission is compared, the comparison result Preferably, the method further includes a speed ratio forward gear ratio comparing step of performing the subsequent measures when the input / output speed ratio and the forward gear ratio coincide with each other.

Further, when the transmission input / output speed ratio and the forward gear ratio of the automatic transmission are compared in the speed ratio forward gear ratio comparing step, when the transmission input / output speed ratio and the forward gear ratio do not coincide, the position change solenoid is failed and the current is automatically adjusted. It is preferable to further include a third failure warning step of informing the driver that the transmission is in the N stage.

In addition, it is preferable that the subsequent measure step is a singular force changing step of forcibly manipulating the automatic transmission to the N stage by the singular change solenoid.

The method may further include a second failure warning step of forcibly manipulating the automatic transmission to the N stage in the forced force changing step, and then notifying the driver that the position change solenoid is failed and the automatic transmission is currently forced to the N stage. It is desirable to.

In addition, the follow-up step is preferably a first failure warning step of informing the driver that the position change solenoid has failed and the automatic transmission is not changed to the R stage.

Therefore, according to the automatic transmission control apparatus and the method for failing the position change solenoid of the present invention, even if the position change solenoid determining the number of stages of the automatic transmission fails due to the foreign matter, the input / output side rotation speed ratio before and after the automatic transmission is reduced. By measuring the current true automatic transmission ratio, and comparing this speed ratio with the shift state of the single-stage change solenoid, check that the automatic transmission has been shifted normally, and then the speed ratio measured by the transmission and the driver's intended gear ratio may not match each other. When the position change solenoid is used to force the number of steps of the automatic transmission to N-speed or to notify the driver that the shift is not intended, the safety measures corresponding to automatic transmission failure can be taken immediately. When inadvertently accelerating a shifted vehicle It is possible to prevent accidents that may occur.

1 is a perspective view of a general shift-by-wire shift lever to which the present invention is applied.
Figure 2 is a block diagram showing an automatic transmission control device when the position change solenoid fail in accordance with the present invention.
3 is a block diagram illustrating a method for controlling an automatic transmission when a position change solenoid fails according to the present invention.
4 is a flowchart sequentially illustrating a method of controlling an automatic transmission when the position change solenoid fails in FIG. 3;

Hereinafter, an automatic transmission control apparatus at the time of the position change solenoid fail according to an embodiment of the present invention will be described with reference to the accompanying drawings.

As shown in FIG. 2, the automatic transmission control apparatus of the present invention has a position change solenoid 3, a transmission input / output speed detection unit 5, 6, a shift control unit 7, and a step change solenoid 9 as shown in FIG. It is configured to include, and further comprises a position change solenoid failure warning unit (11).

Here, the position change solenoid (3) is a kind of actuator for changing the shift state of the automatic transmission (13) in accordance with the operation signal of the shift lever (10) shown in FIG. As shown, the automatic transmission 13 is connected to the automatic transmission 13 so that the driver operates the shift lever 10 to shift the automatic transmission 13 to the R stage, in particular for reversing the vehicle. Allow the gear to shift

The transmission input / output speed detection units 5 and 6 are means for detecting the input speed Vi and the output speed Vo of the automatic transmission 13, respectively, as shown in FIG. 2. Bars mounted on the side of the bar, when the position change solenoid 3 is operated by the operation of the shift lever 10 to shift the automatic transmission 13 to the R stage, the speed mounted on the input side of the automatic transmission 13 The rotational drive speed input to the automatic transmission 13 by the input speed detection unit 5 such as a sensor is output from the automatic transmission 13 by the output speed detection unit 6 such as a speed sensor mounted on the output side. The rotational driving speeds are respectively measured and transmitted to the shift control unit, that is, the TCU 7. At this time, the transmission input speed detection unit 5 is preferably a turbine speed sensor for measuring the turbine rotational speed of the torque converter.

The shift control unit 7 is a means for controlling the overall operation of the automatic transmission 13, in particular, in the case of the present invention, as shown in Figure 2, the transmission input and output speed detection unit 5, 6, the position change solenoid (3) ), The stage change solenoid 9, and the position change solenoid fault warning unit 11, respectively, the input / output side speeds Vi of the automatic transmission 113 sensed by the transmission input / output speed detecting units 5 and 6; Calculate the gearbox input / output speed ratio Vo / Vi, or calculate the gearbox input / output speed ratio Vo / Vi and the R gear ratio or transmission input / output speed ratio Vo / Vi of the automatic transmission 13 in this manner. And the forward gear ratio, that is, the D gear ratio.

The stage change solenoid 9 is a means for properly preparing gears corresponding to the intended shift stage when the shift is intended by the driver's shift lever 10, to be operated by the shift control unit 7 automatically. It is connected to one side of the transmission 13, and the transmission control unit 7 compares the transmission input / output speed ratio Vo / Vi with the R gear ratio or the forward gear ratio of the automatic transmission 13, and thus the speed ratio Vo / Vi. ) And the R gear ratio or the forward gear ratio are confirmed to be inconsistent, respectively, and the shift gear is forcedly shifted to the N gear.

Finally, the position change solenoid failure warning unit 11 is a means for warning that the position change solenoid 3 has failed. As shown in FIG. 2, the position change solenoid failure bar 11 is connected to one side of the shift control unit 7. When it is confirmed that the speed ratio Vo / Vi and the R gear ratio or the forward gear ratio respectively do not coincide, the number change solenoid 9 selectively shifts the shift stage to N-speed as described above, or as an alternative means, or It can be used continuously as linkage means, and therefore, when the transmission input / output speed ratio Vo / Vi identified by the transmission control unit 7 does not match the R gear ratio and / or the forward gear ratio of the automatic transmission 13, Warning that the position change solenoid 3 has failed without the forced N-speed shifting of the shift stage by the change solenoid 9, or the forced N-speed shift of the shift stage by the singular change solenoid 9 Change position after warnings that may solenoid (3) fail.

Now, the operation of the automatic transmission control method when the position change solenoid fail according to the present invention configured as described above are as follows.

In the control method of the present invention, as shown in FIG. 3, the R stage shift checking step S10, the transmission input / output speed ratio calculating step S20, the speed ratio gear ratio comparing step S30, and the position change solenoid failure checking step S40. ), And a follow-up step (S50), and further comprises a speed ratio forward gear ratio comparison step (S60), the first and second failure warning steps (S80, S90).

Here, first, the R-shift check step (S10) is a step of confirming whether or not the shift lever 10 is shifted to the R stage, as shown in Figure 3, the driver as shown in Figure 4 Operate (10) to confirm whether the automatic transmission 13 is intended to be shifted to the R stage.

The transmission input / output speed ratio calculating step (S20) is a step of obtaining the input / output stage rotation speed ratio Vo / Vi of the automatic transmission 13, as shown in more detail in FIG. When it is confirmed by the driver that the shift lever 10 is operated in the R stage, the rotational speed of the input / output stage of the automatic transmission 13 is first determined by the transmission input speed detection unit 5 and the output speed detection unit 6. That is, the automatic transmission 13 checks the input speed Vi and the output speed Vo by measuring the speed. Then, the input speed Vi and the output speed Vo of the automatic transmission 13 measured and confirmed in this way are sent to the shift control unit 7, and the shift control unit 7 receives these input and output speeds Vi,. Calculate the transmission input / output speed ratio (Vo / Vi) by using Vo).

The speed ratio gear ratio comparing step S30 is a step of comparing the gearbox input / output speed ratio Vo / Vi and the R stage gear ratio of the automatic transmission 13 calculated in the transmission input / output speed ratio calculation step S20. As shown, when the transmission input / output speed ratio (Vo / Vi) and the gear stages of the R stage are not matched as a result of comparing the gear ratio of the transmission / output speed ratio (Vo / Vi) and the R stage, the following speed ratio forward gear ratio comparison step is performed. (S60) and / or the position change solenoid failure check step (S40) is performed. On the contrary, when the transmission input / output speed ratio Vo / Vi and the gear ratio of the R stage coincide, since the automatic transmission 13 is in a normal state, it is confirmed that it is normal and the routine according to the control method of the present invention is terminated.

The position change solenoid failure check step (S40) is a step of finally determining that the position change solenoid (3) is a failure, as shown in Figure 4, the transmission input / output speed ratio (S30) in the above speed ratio gear ratio comparison step (S30) Vo / Vi) and the gear ratio of the gear ratio of the gearbox of the transmission / output speed ratio (Vo / Vi) and the gearbox R of the automatic transmission 13 as a result of comparing the gear ratio of the R stage or the speed ratio of the gear ratio forward gear ratio to be described later (S60) When the transmission I / O speed ratio (Vo / Vi) is compared with the forward gear ratio of the automatic transmission (13), and the transmission gear ratio (Vo / Vi) and the forward gear ratio of the automatic transmission (13) coincide with each other, the position change solenoid (3) ) Is failed and the shift lever 10 is intended to shift to the R stage, the speed ratio Vo / Vi of the input / output stage of the automatic transmission 13, that is, the actual shift ratio is still not the R stage. The solenoid (3) is Make sure that the fault condition.

The follow-up step (S50) is a step for follow-up to the failure of the position change solenoid (3), as shown in Figure 4, the position change solenoid (3) in the above position change solenoid failure check step (S40) Is finally failed, the automatic transmission 13 is not currently shifted to the R stage due to the failure of the repositioning solenoid 3, and although the driver stays in the N stage, that is, the neutral or the forward gear stage, The shift stage position of the automatic transmission 13 is mistaken for the R stage, and safety measures are performed before operating the vehicle.

As described above, as shown in FIGS. 3 and 4, the follow-up step S50 may include various subsequent safety measures such as the forced singular change step S70 or the first failure warning step S80. In step S70, the step change solenoid 9 is forcibly operated by the automatic transmission 13 to the N-stage. For example, the step change solenoid 9 is preparing for reverse shift, while the transmission input / output speed ratio indicates a forward shift state. When there is a mismatch, the automatic transmission is forcibly shifted to the N-speed so that, unlike the intention of reversing when the driver presses the accelerator pedal, the vehicle can prevent damages such as an accident that may occur by moving forward.

In addition, when the follow-up step (S50) is carried out through the above forced force change step (S70), of course, the current vehicle is in the N-speed state, and when the accelerator pedal is operated, the vehicle does not have to worry about moving forward unlike the intention to be in a safe state. Although the position change solenoid 3 may still be in a fail state, the automatic transmission 13 is forced to the N-stage in the stepped forced change step S70, and then the automatic transmission 13 is changed in position as described above. In the failing state of the solenoid 3, it is preferable to notify the driver that the force has just been changed to the N-stage. For this purpose, the warning lamp flickering or the warning sound can be generated through the second failure warning step S90.

Similarly, for example, when performing the first failure warning step S80 as the follow-up step S50, the singular change solenoid 9 is preparing for reverse shift as described above, but the transmission input / output speed ratio indicates a forward shift state. If there is, the automatic transmission (13) instead of forcing the N-speed shift, even though the automatic transmission 13 is now shifted to the R-speed, warning that the change to the R-speed due to the failure of the position change solenoid (3) This can be done by flashing or alerting the driver. Of course, even if the driver does not take any measures at this time, the shift stage may be forced to the N-speed as in the above step forced change step (S70).

The speed ratio forward gear ratio comparing step S60 is a step of comparing the transmission input / output speed ratio Vo / Vi and the forward gear ratio of the automatic transmission 13 as described above, as shown in FIG. 4. When the gear ratio of gearbox of R stage does not match with the gear ratio of gear stage compared in speed ratio gear ratio comparison step (S30), compare the forward gear ratio with gearbox input / output speed ratio (Vo / Vi) instead of gear ratio of gear stage R. do. As a result, if the transmission input / output speed ratio Vo / Vi and the forward gear ratio coincide, it is certain that the automatic transmission 13 has failed due to the failure of the position change solenoid 3, so that the following follow-up step S50 is performed. Perform.

However, if the transmission I / O speed ratio (Vo / Vi) and the forward gear ratio do not coincide, it is certain that the automatic transmission 13 has failed due to the failure of the position change solenoid 3, but the current shift stage is located at the N stage. Therefore, even if the driver misunderstands the shift state to the R stage and presses the accelerator pedal, since the vehicle does not have to worry about moving forward, a separate forced shift operation may be omitted. However, it is preferable to perform flashing of a warning light or generating a warning sound according to the third failure warning step S100 to inform the driver that the position change solenoid 3 is in a fail state.

1: Automatic transmission control device in case of position change solenoid fail
3: Position change solenoid 5, 6: Input and output speed detection unit
7: shift control unit (TCU) 9: stage change solenoid
10: shift lever 11: position change solenoid fault warning part
13: automatic transmission

Claims (9)

A position change solenoid for operating the shift actuator to shift the automatic transmission to the R stage when the R stage shifting of the automatic transmission is intended by the shift lever operation;
A transmission input and output speed detection unit mounted on each of the automatic transmission input / output sides and configured to detect an input speed and an output speed of the automatic transmission when an R stage shift is intended for the automatic transmission by manipulation of the transmission lever;
A shift controller configured to calculate an automatic transmission input / output speed ratio based on an input speed and an output speed of the automatic transmission sensed by the detection unit, and compare the calculated speed ratio with the R gear ratio and the forward gear ratio of the automatic transmission; And
And a position change solenoid forcibly shifting the shift stage to the N stage when it is confirmed that the speed ratio and the respective gear ratio do not coincide with each other by the shift control unit. Automatic transmission control. The method according to claim 1,
And a position change solenoid failure warning unit that warns that the position change solenoid has failed when the transmission input / output speed ratio and the R gear ratio and the forward gear ratio of the respective automatic transmissions do not coincide with each other. Automatic transmission control device in case of position change solenoid fail. 3. The method according to claim 1 or 2,
And said transmission input speed detecting unit is a turbine speed sensor of a torque converter. An R stage shift checking step of confirming whether or not the driver intends to shift the automatic transmission to the R stage by operating the shift lever;
A transmission input / output speed ratio calculating step of calculating an input / output speed ratio of the automatic transmission by checking an input speed and an output speed of the automatic transmission when it is confirmed that the shift lever is operated to the R stage in the R stage shift checking step;
A speed ratio gear ratio comparing step of comparing the gear ratio of the transmission input / output speed ratio calculated in the transmission input / output speed ratio calculation step with the gear ratio of the automatic transmission R stage;
A position change solenoid failure checking step of determining that the position change solenoid has failed when the transmission input / output speed ratio and the gear ratio of the R stage do not coincide with each other as a result of the comparison in the speed ratio gear ratio comparison step; And
And determining that the position change solenoid has failed in the step of checking the position change solenoid, and then following a step for a driver to misinterpret the automatic transmission as the R gear shift state and take safety measures before operating the vehicle. An automatic transmission control method for a position change solenoid fail. 5. The method of claim 4,
As a result of the comparison in the speed ratio gear ratio comparing step, when the transmission input / output speed ratio and the gear ratio of the R stage do not coincide, the transmission input / output speed ratio and the forward gear ratio of the automatic transmission are compared, and as a result of the transmission input / output speed And a speed ratio forward gear ratio comparing step of performing the subsequent measures when the ratio and the forward gear ratio coincide with each other. 2. 6. The method of claim 5,
As a result of comparing the transmission input / output speed ratio and the forward gear ratio of the automatic transmission in the speed ratio forward gear ratio comparison step, when the transmission input / output speed ratio and the forward gear ratio do not coincide, the position change solenoid is failed and the automatic transmission is currently And a third failure warning step of informing the driver that the driver is in the N-stage. The method according to any one of claims 4 to 6,
Wherein the subsequent step is a step of changing the number of solenoid forced automatic operation of the automatic transmission to the N stage, characterized in that the automatic transmission control method when the position change solenoid fail. The method of claim 7, wherein
And a second failure warning step of forcibly manipulating the automatic transmission to the N stage in the stepped forced change step, and then notifying the driver that the position change solenoid is failed and the automatic transmission is currently forcibly changed to the N stage. An automatic transmission control method for a position change solenoid fail. The method according to any one of claims 4 to 6,
The subsequent action step is a first failure warning step of notifying the driver that the position change solenoid is not changed to the R stage at the time of the automatic change control solenoid automatic transmission control method.
KR1020110062287A 2011-06-27 2011-06-27 Automatic transmission controlling system and method when a position shifting solenoid is failed KR20130001496A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110062287A KR20130001496A (en) 2011-06-27 2011-06-27 Automatic transmission controlling system and method when a position shifting solenoid is failed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110062287A KR20130001496A (en) 2011-06-27 2011-06-27 Automatic transmission controlling system and method when a position shifting solenoid is failed

Publications (1)

Publication Number Publication Date
KR20130001496A true KR20130001496A (en) 2013-01-04

Family

ID=47834521

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020110062287A KR20130001496A (en) 2011-06-27 2011-06-27 Automatic transmission controlling system and method when a position shifting solenoid is failed

Country Status (1)

Country Link
KR (1) KR20130001496A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109624983A (en) * 2018-11-01 2019-04-16 浙江合众新能源汽车有限公司 A kind of fault processing system and method for shift signal failure
KR20190050374A (en) * 2017-11-03 2019-05-13 현대자동차주식회사 Shift control method for electronic shifting apparatus
CN113738864A (en) * 2021-09-29 2021-12-03 蜂巢传动科技河北有限公司 AT transmission control method and system, AT transmission and vehicle

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190050374A (en) * 2017-11-03 2019-05-13 현대자동차주식회사 Shift control method for electronic shifting apparatus
CN109624983A (en) * 2018-11-01 2019-04-16 浙江合众新能源汽车有限公司 A kind of fault processing system and method for shift signal failure
CN109624983B (en) * 2018-11-01 2020-07-24 浙江合众新能源汽车有限公司 Fault processing system and method for gear signal failure
CN113738864A (en) * 2021-09-29 2021-12-03 蜂巢传动科技河北有限公司 AT transmission control method and system, AT transmission and vehicle
CN113738864B (en) * 2021-09-29 2022-10-28 蜂巢传动科技河北有限公司 AT transmission control method and system, AT transmission and vehicle

Similar Documents

Publication Publication Date Title
CN107575565A (en) A kind of control method of electric gear change system
JP6082030B2 (en) Vehicle shift operation device
KR20130001496A (en) Automatic transmission controlling system and method when a position shifting solenoid is failed
CN110753807B (en) Abnormality diagnostic device for shift device and abnormality diagnostic method for shift device
KR101745157B1 (en) Method for controlling driving of vehicles
US9109698B2 (en) Automatic transmission and select operation determination method for automatic transmission
JP2014238127A (en) Shift control device for vehicle transmission
JP2006248371A (en) Vehicle control device, continuously variable transmission control device and its control method
JP3092313B2 (en) Self-diagnosis device for automatic transmission
JP5724936B2 (en) Shift position determination device
JP4822838B2 (en) Shift control device for work equipment
KR20120077737A (en) Appratus and method for transmission of dual clutch transmission of vehicle
US8751122B2 (en) Method for checking an emergency condition in a transmission system
KR20060083680A (en) Turbine speed sensor failure diagnosis device of auto transmission in vehicle and temporary shift method thereof
JP4529123B2 (en) Fault detection device for automatic transmission
KR101656961B1 (en) Method for diagnosing failure of vehicle pressure sensor
JP6700115B2 (en) Automatic transmission control device
WO2017051750A1 (en) Control device for continuously variable transmission and control method for continuously variable transmission
KR101976942B1 (en) Method for diagnosing failure of transmission
KR101758533B1 (en) System and Method for Vehicle Control Using Both-Way Sensor Under Inhibitor Switch Malfunction
KR100391690B1 (en) Prevention method for inhibitor switch fail judgment of automatic transmission in vehicle
KR20180061465A (en) Apparatus for detecting shift error of shift by wire system and method thereof
KR20020030363A (en) Apparatus for fail mode controlled of inhibitor switch and method thereof
JPH0285566A (en) Abnormality detecting device for speed change system
KR20170072738A (en) Apparatus for detecting shift state of automatic transmission and control method thereof

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application