KR20150059910A

KR20150059910A - Automated manual transmission and shifting control method thereof

Info

Publication number: KR20150059910A
Application number: KR1020130143608A
Authority: KR
Inventors: 어순기; 임채홍; 김천옥; 김현철
Original assignee: 현대자동차주식회사
Priority date: 2013-11-25
Filing date: 2013-11-25
Publication date: 2015-06-03

Abstract

The present invention basically uses a mechanism of a manual transmission that must inevitably shut down and then connect a power source for a conventional shift, but it can transmit power continuously to a drive wheel during shifting, It is possible to prevent the transmission feeling from being lowered, thereby forming a smooth and stable transmission feeling, thereby improving the commerciality of the vehicle.

Description

TECHNICAL FIELD [0001] The present invention relates to an automatic manual transmission, and more particularly to an automatic manual transmission and a shift control method therefor.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic manual transmission and a shift control method thereof. More particularly, the present invention relates to an automatic manual transmission, which can improve a pulling-down phenomenon.

The automatic manual transmission is automatically shifted by the actuator during the operation of the vehicle, thereby providing convenience similar to that of an automatic transmission, and contributing to improvement of the fuel efficiency of the vehicle with superior power transmission efficiency than that of the automatic transmission.

However, in the case of an automatic manual transmission that is based on a synchromesh transmission mechanism, there is inevitably a moment when the power is disconnected even during a shift process that is automatically performed by the actuator. Thus, There is a problem in that a phenomenon of lowering of the transmission feeling that is pulled backward is accompanied.

It will be appreciated that those skilled in the art will appreciate that the described embodiments are provided merely for the purpose of promoting an understanding of the background of the present invention, It will not.

Advanced Car Chassis, Golden Bell Publishing Co.,

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a manual transmission that basically uses a mechanism of a manual transmission, To thereby prevent a decrease in torque that occurs during shifting, thereby preventing the transmission feeling from being lowered, thereby forming a smooth and stable shifting feeling, thereby improving the commerciality of the vehicle, and a shift control method therefor It has its purpose.

In order to achieve the above object, the automatic transmission of the present invention includes:

A first input shaft installed to receive power from the engine;

A second input shaft formed as a hollow shaft concentric with the first input shaft and capable of receiving power from the engine;

A main clutch installed to the second input shaft so as to intermittently supply power from the engine;

A plurality of drive gears mounted on the second input shaft to form a plurality of gear stages;

An output shaft disposed parallel to the second input shaft;

A plurality of driven gears provided on the output shaft so as to form a plurality of gear stages by engaging with the plurality of driving gears;

A circumference drive gear rotatably installed on the first input shaft;

A circumscribed driven gear provided on the output shaft to be engaged with the circumscribed gear;

An assist clutch connected to the first input shaft for switching between a state in which the external drive gear is fixed to the first input shaft and a state in which the external drive gear is in the disengaged state;

And a control unit.

Further, an automatic manual transmission for achieving the object of the present invention

A first input shaft installed to receive power from the engine;

An output shaft disposed parallel to the second input shaft;

A third input shaft provided with a hollow shaft concentric with the first input shaft in a state of being axially spaced from the second input shaft;

A shaft clutch for connecting the third input shaft to the first input shaft and fixing the third input shaft to a fixed state and a releasing state;

A plurality of external gears rotatably mounted on the third input shaft;

A plurality of external driven gears provided on the output shaft to be engaged with the plurality of external driving gears;

A third axis synchronizing device for switching between a state in which the plurality of external gears are connected to the third input shaft and a state in which the plurality of external gears are disengaged;

And a control unit.

According to another aspect of the present invention, there is provided an automatic manual transmission shift control method,

At the time of shifting from the adjacent shift position to the two-position shift position,

A first clutch switching step of performing a slip control in a direction of releasing the main clutch and a slip control in a direction of engaging the assist clutch until the first input shaft rotation speed reaches a target rotation speed;

A neutral switching step of switching, when the first input shaft rotation speed reaches the target rotation speed, the synchronizing device of the previous gear stage to neutral;

And a control unit.

When shifting from the second-speed range stage to the adjacent speed change stage,

A synchronizing device engaging step of engaging a synchronizing device of a target speed change stage;

A second clutch switching step of performing a slip control in a direction of engaging the main clutch and a slip control in a releasing direction of the assist clutch until the second input shaft rotation speed reaches a target rotation speed;

And a control unit.

1 is a block diagram illustrating a first embodiment of an automatic manual transmission according to the present invention.
2 is a diagram showing a state in which the first embodiment is changed from the neutral state to the first stage,
3 is a diagram for explaining a situation of driving to the one-stage shift stage of the first embodiment,
Figs. 4 and 5 are diagrams sequentially showing the process of shifting from the first stage to the second stage in the first embodiment; Fig.
6 is a view for explaining a situation of driving to the two-speed stage of the first embodiment,
FIGS. 7 to 9 are views sequentially illustrating a process of shifting from the second stage to the third stage in the first embodiment,
FIG. 10 is a diagram for explaining a situation of driving to the three-speed stage of the first embodiment,
11 is a flowchart illustrating a process of shifting from the first stage to the second stage in the first embodiment,
12 is a flowchart illustrating a process of shifting from the second stage to the third stage in the first embodiment,
13 is a flowchart illustrating a process of shifting from the third stage to the second stage in the first embodiment,
14 is a flowchart illustrating a process of shifting from the second stage to the first stage in the first embodiment,
15 is a view showing the configuration of a second embodiment of the automatic manual transmission according to the present invention,
16 is a view showing a configuration of a third embodiment of the automatic manual transmission according to the present invention.

Referring to FIG. 1, a first embodiment of an automatic manual transmission according to the present invention includes a first input shaft IN-1 installed to receive power from an engine; A second input shaft (IN-2) formed as a hollow shaft concentric with the first input shaft (IN-1) and capable of receiving power from the engine; A main clutch MC provided to intermittently supply power from the engine to the second input shaft IN-2; A plurality of drive gears provided on the second input shaft IN-2 to form a plurality of gear stages; An output shaft (OUT-1) provided parallel to the second input shaft (IN-2); A plurality of driven gears provided on the output shaft (OUT-1) so as to form a plurality of gear stages by engaging with the plurality of driving gears; A circumference drive gear rotatably installed on the first input shaft IN-1; A circumscribed driven gear provided on the output shaft (OUT-1) to be engaged with the circumscribed-gear; And an assist clutch AC for switching between a state in which the external drive gear is connected to the first input shaft IN-1 and a state in which the external drive gear is disengaged.

That is, in this embodiment, the second input shaft IN-2 is provided concentrically on the outside of the first input shaft IN-1 directly connected to the engine, and the driving gears of the second input shaft IN- And a circumferential drive gear of the first input shaft IN-1 together with a driven gear and a circumferential driven gear of the output shaft OUT-1 form a series of gear stages.

The plurality of drive gears provided on the second input shaft IN-2 and the plurality of driven gears provided on the output shaft OUT-1 are connected to the first-stage drive gear D1 and the first- Wherein the outer driven gear and the outer driven gear comprise two-speed shifting between the one-speed shifting stage and the three-speed shifting stage, and a three-speed driven gear Stage driven gear D2 and a two-stage driven gear P2 so as to form an end.

A plurality of driven gears provided on the second input shaft IN-2 are fixedly installed on the second input shaft IN-2 and a plurality of driven gears provided on the output shaft OUT- 1), and the output shaft (OUT-1) is connected to the output shaft (OUT-1) by connecting the plurality of driven gears to the output shaft (OUT-1) Device.

In the present embodiment, the first-stage drive gear D1, the third-stage drive gear D3, the fourth-stage drive gear D4 and the fifth-stage drive gear D5 are fixedly provided on the second input shaft IN- The first stage driven gear P1, the third stage driven gear P3, the fourth stage driven gear P4 and the fifth stage driven gear P5 are rotatably installed on the output shaft OUT-1, The state where the one-stage driven gear P1 and the three-stage driven gear P3 are fixed to the output shaft OUT-1 is switched between the driven gear P1 and the three-stage driven gear P3 Stage driven gear P4 and the fifth-stage driven gear P5 are provided between the fourth-stage driven gear P4 and the fifth-stage driven gear P5, respectively, And a 4 & 5th stage synchronizing device 4 & 5S for switching the state of connecting to and fixing the output terminal OUT-1.

The second stage driven gear (D2), which is a circumscribed driving gear, is rotatably installed on the first input shaft (IN-1), and the second driven gear (P2) So as to form a two-stage speed change stage.

A reverse drive gear DR is integrally provided on the second input shaft IN-2 and a reverse driven gear PR is formed on a sleeve of the first and third stage synchronizers 1 and 3S. DR) and the reverse driven gear (PR), the rearward idler (IR) moves in the axial direction so that the posterior diagnosis can be implemented by switching the engaged state.

Accordingly, in this embodiment, it is possible to realize the gear ratio of the forward-forward five-speed reverse gear stage, and the two-speed gear stage may include a circumferential drive gear disposed on the first input shaft IN-1 and the output shaft OUT- And the other one, third, fourth, and fifth stages are realized by driving gears and driven gears disposed on the second input shaft IN-2 and the output shaft OUT-1. .

On the other hand, a first output gear O1 fitted to a differential (DIFF) is provided on the left side of the output shaft OUT-1 so that the power of the output shaft OUT-1 can be drawn out to the drive wheel through a differential (DIFF) Respectively.

As shown in FIG. 15, the second embodiment of the present invention, which is the same as the first embodiment, has a second output shaft OUT-2 provided parallel to the output shaft OUT-1, , And at least one additional driven gear rotatably provided on the second output shaft (OUT-2) so as to engage with a drive gear provided on the second input shaft (IN-2) to form another gear stage .

In this embodiment, the additional driven gear is composed of a six-stage driven gear P6 meshing with the fifth-stage drive gear D5 so as to form six stages, so that one gear stage can be further formed And a second output gear O2 fitted to a differential (DIFF) is provided on the left side of the second output shaft OUT-2.

A reverse driven gear PR for rotating the second output shaft OUT-2 is rotatably mounted on the second output shaft OUT-2. An additional synchronizing device AS is provided for switching the state of connecting and fixing the additional driven gear to the second output shaft OUT-2, respectively, and the second input shaft IN- And a reverse idler (IR) that is integrally provided with a driving gear DR and is engaged with the reverse drive gear DR and the reverse driven gear PR at the same time to switch the rotation direction, It is supposed to implement post-diagnosis in a different way from the example.

The shift control method of the automatic manual transmission of the present invention configured as described above will be described with reference to FIGS. 2 to 10 and 11 to 14 on the basis of the first embodiment.

1 is a state in which the power is not drawn out to the output shaft OUT-1 even if the engine is started and driven. In the state of FIG. 1, the main clutch MC is engaged and the second input shaft IN- All the synchronizing devices are released even when the motor is rotated, so that the power is not drawn out to the output shaft OUT-1, and both of these states can act as a neutral state.

1, the first-stage driven gear P1 is connected to the output shaft OUT-1 via the 1 & 3-stage synchronizer 1 & 3S in the same manner as a conventional manual transmission, 3, when the main clutch MC is engaged, the power of the engine is transmitted to the first-stage drive gear D1 and the first-stage driven gear P1 (DIFF) through the output shaft (OUT-1) while forming a one-stage speed change stage.

Of course, at this time, the first input shaft IN-1 is directly connected to the engine and is always rotating, and of course, the assist clutch AC is disengaged so that the second-stage drive gear D2 can not receive the driving force to be.

4 shows a state in which the shift is started from the first-stage running state to the second-stage running state in Fig. 3, in which the slip control is performed so that the assist clutch AC is gradually engaged and at the same time, So that a part of the engine power flows to the output shaft OUT-1 through the second-stage short-drive gear D2 and the second-stage driven gear P2.

5, power transmission through the main clutch MC is very small, and more power is transmitted through the assist clutch AC, so that a state in which substantially two stages are formed When the main clutch MC is completely released and the assist clutch AC is fully engaged, the first and third stage synchronizers 1 and 3S are released to complete a full two-speed stage as shown in FIG.

At this time, the slip control for releasing the main clutch MC and for engaging the assist clutch AC is performed when the rotational speed of the first input shaft IN-1 is lower than the target rotational speed of the second stage (1 & 3S) is neutralized when the first clutch changeover step (S10) is completed, until the first and second clutch switching devices , Which is referred to as a neutral switching step (S20).

The shift from the first stage to the second-stage gear stage is represented by a flowchart in Fig.

The following explains the shift from the 2-speed range to the 3-range range. 7, a synchronizing device engaging step S30 for connecting the three-stage driven gear P3 to the output shaft OUT-1 is performed by the 1 & 3 stage synchronizer 1 & 3S, Is released and no power is transmitted to the third-stage drive gear (D3) and the third-stage driven gear (P3).

8 and 9 show a second clutch switching step S40 in which the main clutch MC is slip-controlled in the direction of gradually tightening and the assist clutch AC is slipped in the direction of gradually releasing from the state of Fig. 7 The power flow is gradually shifted from the path through the second stage driven gear D2 and the second stage driven gear P2 to the path through the third stage driven gear D3 and the third stage driven gear P3.

The second clutch change-over step S40 as described above is performed when the rotational speed of the second input shaft IN-2 reaches the rotational speed corresponding to the target shift stage of the three stages in accordance with the rotational speed of the output shaft OUT- When the assist clutch AC is completely released and the power is transmitted only through the main clutch MC, the shifting to the third gear is completed as shown in FIG.

The shift from the above-described two-stage shift stage to the three-stage shift stage is represented by a flowchart in Fig.

Of course, the shift from the third stage to the second-stage gear stage and the shift from the second stage to the first-stage gear stage are performed similarly to the above, and the shift from the third stage to the second stage is performed as shown in the flowchart of Fig. 13, And the shift from the second stage to the first stage is performed as shown in the flowchart of Fig. 14, so that the shifting from the second stage to the second stage substantially as shown in Fig. The shift is performed in a manner similar to the shifting to the three gears, and a detailed description thereof will be omitted.

Further, in the shifting process between the fourth stage and the fifth stage, the main clutch MC is released, the synchronizing device of the previous gear stage is released, the synchronizing device of the new target gear stage is engaged, And a method of fastening the main clutch MC.

The main points of the automatic manual transmission shift control method according to the present invention as described above can be summarized as follows.

That is, in the shift control method according to the present invention, when shifting from the adjacent shift position to the two-position shift position,

The main clutch (MC) is slip-controlled in the releasing direction and the assist clutch (AC) is slip-controlled in the engaging direction until the rotational speed of the first input shaft (IN- And a neutral switching step (S20) of switching the synchronizing device of the previous gear position to neutral when the rotation speed of the first input shaft (IN-1) reaches the target rotation speed ;

(S30) for engaging a synchronizing device of a target speed change stage at the time of shifting from the second speed change stage to the adjacent speed change stage, and a synchronizing device engaging step And a second clutch switching step (S40) in which the main clutch (MC) performs a slip control in a direction of engaging and the assist clutch (AC) is in a disengagement direction.

Therefore, in the vehicle equipped with the automatic manual transmission according to the present invention, there is no occurrence of a situation in which the torque transmitted from the engine to the output shaft (OUT-1) is completely cut off during the shifting process of the first to third gears, The torque transmitted to the output shaft OUT-1 can be maintained at a substantially constant level or more through the precise slip control of the main clutch MC and the assist clutch AC, The problem of deterioration can be prevented.

In the present invention, it is possible to prevent the torque disconnection as described above only at the time of shifting from the first stage to the third stage, and torque disconnection phenomenon occurs at the subsequent gear stage as in the conventional general manual transmission or automatic manual transmission. The phenomenon of the reduction in the transmission feeling due to the torque disconnection phenomenon as described above does not become a serious problem because the driver does not feel sensitive during driving. Therefore, the present invention can effectively improve the transmission feel of the vehicle with substantially the most inexpensive configuration.

16 shows a third embodiment of the present invention. The other configuration is almost the same as that of the first embodiment and the second embodiment, and a part of the configuration is different. In the third embodiment, A first input shaft IN-1 installed to be able to receive the input signal; A second input shaft (IN-2) formed as a hollow shaft concentric with the first input shaft (IN-1) and capable of receiving power from the engine; A main clutch MC provided to intermittently supply power from the engine to the second input shaft IN-2; A plurality of drive gears provided on the second input shaft IN-2 to form a plurality of gear stages; An output shaft (OUT-1) provided parallel to the second input shaft (IN-2); A plurality of driven gears provided on the output shaft (OUT-1) so as to form a plurality of gear stages by engaging with the plurality of driving gears; A third input shaft IN-3 provided on the first input shaft IN-1 with a hollow shaft concentric with the second input shaft IN-2 in the axial direction; A shaft clutch SC for switching between a state in which the third input shaft IN-3 is connected to the first input shaft IN-1 and a state in which the third input shaft IN-3 is fixed and released; A plurality of external drive gears rotatably installed on the third input shaft IN-3; A plurality of external driven gears provided on the output shaft (OUT-1) to be engaged with the plurality of external driving gears; And a third axis synchronizer 3AS for switching the states of the plurality of external driving gears connected to the third input shaft IN-3 and the state of disengaging them.

The plurality of drive gears provided on the second input shaft IN-2 and the plurality of driven gears provided on the output shaft OUT-1 are connected to the first-stage drive gear D1 and the first- Wherein the plurality of external driven gears and the external driven gears are connected to each other by two gears between the one-stage speed change stage and the three-stage speed change stage, Stage driven gear D2, the two-stage driven gear P2, the four-stage driven gear D4, and the four-stage driven gear P4 so as to form a fourth-stage gear stage higher than the third- .

In other words, the other structure is substantially the same as that of the second embodiment, and a third input shaft IN-3 is provided outside the first input shaft IN-1 and a second input shaft IN- Gear D2 and fourth-stage drive gear D4 are rotatably mounted and the third-axis synchronizer 3AS is disposed between the second-stage drive gear D2 and the fourth-stage drive gear D4, The shaft clutch SC is configured to allow the shaft clutch SC to connect and disconnect the first input shaft IN-1 and the third input shaft IN-3, 3 as well as the second-stage drive gear D2 as well as the fourth-stage drive gear D4 also function as the first input shaft (AC) 3 to the third input shaft IN-3 via the input shaft IN-1, so that when the transmission is shifted between the third and fifth stages as well as between the first and third stages, In one utilizing driving gear (D4) and the third axis synchronizers, preventing the transmission torque disconnection state is a phenomenon so that the speed change can is made.

In the present embodiment, the seventh-stage drive gear D7 is disposed at the position where the fourth-stage drive gear D4 is disposed in the second embodiment, And the seventh stage driven gear P7 is disposed on the output shaft so that the seventh stage can be realized. Thus, the fifth and seventh stage synchronizing devices 5 and 7S are provided on the output shaft OUT-1.

Since the specific operating relationship is the same as that of the first embodiment, detailed description thereof will be omitted.

While the present invention has been particularly shown and described with reference to specific embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the following claims It will be apparent to those of ordinary skill in the art.

IN-1; The first input shaft
IN-2; The second input shaft
MC; Main clutch
OUT-1; Output shaft
AC; Assist clutch
D1; 1 single drive gear
P1; 1 stage driven gear
D3; 3 single drive gear
P3; Three-stage driven gear
D2; 2 single drive gear
P2; Two-stage driven gear
D4; 4 single drive gear
D5; 5 single drive gear
P4; 4-speed driven gear
P5; 5-speed driven gear
1 &3S; 1 & 3 stage sync device
4 &5S; 4 & 5 stage synchronous device
DR; Reverse drive gear
PR; Backward driven gear
IR; Backward Idler
DIFF; Differential
O1; The first output gear
OUT-2; The second output shaft
P6; 6-speed driven gear
O2; The second output gear
AS; Additional synchronizing device
S10; The first clutch switching step
S20; Neutral conversion stage
S30; Synchronization device engagement phase
S40; The second clutch-
IN-3; The third input shaft
SC; Shaft clutch
3AS; The third axis synchronizer
D7; 7 single drive gear
P7; 7th driven gear
5 & 5 & 7 stage synchronous device

Claims

A first input shaft (IN-1) installed to receive power from the engine;
A second input shaft (IN-2) formed as a hollow shaft concentric with the first input shaft (IN-1) and capable of receiving power from the engine;
A main clutch MC provided to intermittently supply power from the engine to the second input shaft IN-2;
A plurality of drive gears provided on the second input shaft IN-2 to form a plurality of gear stages;
An output shaft (OUT-1) provided parallel to the second input shaft (IN-2);
A plurality of driven gears provided on the output shaft (OUT-1) so as to form a plurality of gear stages by engaging with the plurality of driving gears;
A circumference drive gear rotatably installed on the first input shaft IN-1;
A circumscribed driven gear provided on the output shaft (OUT-1) to be engaged with the circumscribed-gear;
An assist clutch AC connected to the first input shaft IN-1 so as to switch between a state where the external drive gear is fixed and a state where the external drive gear is disengaged;
And an automatic manual transmission.

The method according to claim 1,
The plurality of drive gears provided on the second input shaft IN-2 and the plurality of driven gears provided on the output shaft OUT-1 are connected to the first-stage drive gear D1 and the first- Stage driven gear P1 and a third-stage driven gear D3 and a three-stage driven gear P3;
The outer drive gear and the outer driven gear are constituted by a two-stage drive gear (D2) and a two-stage driven gear (P2) so as to form a two-speed gear stage between the one-
An automatic manual transmission.

The method of claim 2,
A plurality of drive gears provided on the second input shaft IN-2 are fixedly installed on the second input shaft IN-2;
A plurality of driven gears provided on the output shaft OUT-1 are rotatably installed on the output shaft OUT-1;
The output shaft OUT-1 is provided with at least one or more synchronizing devices for switching between a state where the plurality of driven gears are connected to the output shaft OUT-1 and a state where the plurality of driven gears are connected to the output shaft OUT-
An automatic manual transmission.

The method of claim 3,
The first-stage drive gear D1, the third-stage drive gear D3, the fourth-stage drive gear D4, and the fifth-stage drive gear D5 are fixedly installed on the second input shaft IN-2.
The first-stage driven gear P1, the third-stage driven gear P3, the fourth-stage driven gear P4, and the fifth-stage driven gear P5 are rotatably installed on the output shaft OUT-1.
A state in which the first stage driven gear P1 and the third stage driven gear P3 are fixed to the output shaft OUT-1 by being connected between the first stage driven gear P1 and the third stage driven gear P3, 1 & 3 stages synchronizing devices 1 &
A state in which the four-stage driven gear P4 and the five-stage driven gear P5 are fixed to the output shaft OUT-1 via the fourth stage driven gear P4 and the fifth stage driven gear P5, Equipped with 4 & 5 stage synchronizers (4 & 5S)
An automatic manual transmission.

The method of claim 3,
A second output shaft (OUT-2) provided parallel to the output shaft (OUT-1);
At least one additional driven gear rotatably installed on the second output shaft (OUT-2) so as to engage with a drive gear provided on the second input shaft (IN-2) and form another gear stage;
Further comprising: an automatic transmission for transmitting an automatic manual transmission.

The method of claim 5,
A reverse driven gear (PR) for rotatably supporting the second output shaft (OUT-2) is rotatably installed;
An additional synchronizing device AS for switching the state of connecting the reverse driven gear PR and the additional driven gear to the second output shaft OUT-2 is fixed to the second output shaft OUT-2 ;
The second input shaft IN-2 is integrally provided with a reverse drive gear DR for forming a rear diagnosis;
The reverse drive gear DR and the reverse idler (IR) that is engaged with the reverse driven gear PR at the same time to switch the rotation direction
An automatic manual transmission.

A first input shaft (IN-1) installed to receive power from the engine;
A second input shaft (IN-2) formed as a hollow shaft concentric with the first input shaft (IN-1) and capable of receiving power from the engine;
A main clutch MC provided to intermittently supply power from the engine to the second input shaft IN-2;
A plurality of drive gears provided on the second input shaft IN-2 to form a plurality of gear stages;
An output shaft (OUT-1) provided parallel to the second input shaft (IN-2);
A plurality of driven gears provided on the output shaft (OUT-1) so as to form a plurality of gear stages by engaging with the plurality of driving gears;
A third input shaft IN-3 provided on the first input shaft IN-1 with a hollow shaft concentric with the second input shaft IN-2 in the axial direction;
A shaft clutch SC for switching between a state in which the third input shaft IN-3 is connected to the first input shaft IN-1 and a state in which the third input shaft IN-3 is fixed and released;
A plurality of external drive gears rotatably installed on the third input shaft IN-3;
A plurality of external driven gears provided on the output shaft (OUT-1) to be engaged with the plurality of external driving gears;
A third axis synchronizer (3AS) adapted to switch between a state in which the plurality of external driving gears are connected to the third input shaft (IN-3) and a state in which the plurality of external driving gears are fixed and released, respectively;
And an automatic manual transmission.

The method of claim 7,
The plurality of drive gears provided on the second input shaft IN-2 and the plurality of driven gears provided on the output shaft OUT-1 are connected to the first-stage drive gear D1 and the first- Stage driven gear P1 and a third-stage driven gear D3 and a three-stage driven gear P3;
The outer circumferential drive gear and the outer circumferential driven gear are connected to the two-stage drive gears D2 and D2 so as to form a two-stage shift stage between the one-stage shift stage and the three- A structure including a driven gear P2 and a four-stage driven gear D4 and a four-stage driven gear P4
An automatic manual transmission.

The method of claim 7,
A second output shaft (OUT-2) provided parallel to the output shaft (OUT-1);
At least one additional driven gear rotatably installed on the second output shaft (OUT-2) so as to engage with a drive gear provided on the second input shaft (IN-2) and form another gear stage;
Further comprising: an automatic transmission for transmitting an automatic manual transmission.

The method of claim 9,
A reverse driven gear (PR) for rotatably supporting the second output shaft (OUT-2) is rotatably installed;
An additional synchronizing device AS for switching the state of connecting the reverse driven gear PR and the additional driven gear to the second output shaft OUT-2 is fixed to the second output shaft OUT-2 ;
The second input shaft IN-2 is integrally provided with a reverse drive gear DR for forming a rear diagnosis;
The reverse drive gear DR and the reverse idler (IR) that is engaged with the reverse driven gear PR at the same time to switch the rotation direction
An automatic manual transmission.

The shift control method for an automatic manual transmission according to claim 2,
At the time of shifting from the adjacent shift position to the two-position shift position,
The main clutch (MC) is slip-controlled in the releasing direction and the assist clutch (AC) is slip-controlled in the engaging direction until the rotational speed of the first input shaft (IN- A clutch switching step (S10);
A neutral switching step (S20) of switching the synchronizing device of the previous gear stage to neutral when the rotational speed of the first input shaft (IN-1) reaches the target rotational speed;
And the automatic transmission shift control method comprising:

The method of claim 11,
When shifting from the second-speed range stage to the adjacent speed change stage,
A synchronizing device engaging step (S30) of engaging a synchronizing device of a target speed change stage;
The main clutch (MC) is slip-controlled in the engaging direction and the assist clutch (AC) is slip-controlled in the disengaging direction until the number of rotations of the second input shaft (IN- Clutch switching step S40;
And the automatic transmission shift control method comprising: