CN104074961B - The method of the gear shift of auto-manual transmission in control vehicle - Google Patents

The method of the gear shift of auto-manual transmission in control vehicle Download PDF

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Publication number
CN104074961B
CN104074961B CN201310329436.0A CN201310329436A CN104074961B CN 104074961 B CN104074961 B CN 104074961B CN 201310329436 A CN201310329436 A CN 201310329436A CN 104074961 B CN104074961 B CN 104074961B
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CN
China
Prior art keywords
vehicle
clutch
driver
shift
auto
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN201310329436.0A
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Chinese (zh)
Other versions
CN104074961A (en
Inventor
尹永珉
金正喆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hyundai Motor Co
Kia Corp
Original Assignee
Hyundai Motor Co
Kia Motors Corp
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Filing date
Publication date
Application filed by Hyundai Motor Co, Kia Motors Corp filed Critical Hyundai Motor Co
Publication of CN104074961A publication Critical patent/CN104074961A/en
Application granted granted Critical
Publication of CN104074961B publication Critical patent/CN104074961B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/02Control 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H59/00Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/50Inputs being a function of the status of the machine, e.g. position of doors or safety belts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H59/00Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/14Inputs being a function of torque or torque demand
    • F16H59/18Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H59/00Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/60Inputs being a function of ambient conditions
    • F16H59/66Road conditions, e.g. slope, slippery
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/14Control of torque converter lock-up clutches
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/21Providing engine brake control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2300/00Purposes or special features of road vehicle drive control systems
    • B60Y2300/18Propelling the vehicle
    • B60Y2300/18008Propelling the vehicle related to particular drive situations
    • B60Y2300/18066Coasting
    • B60Y2300/18083Coasting without torque flow between driveshaft and engine, e.g. with clutch disengaged or transmission in neutral
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H59/00Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/14Inputs being a function of torque or torque demand
    • F16H59/18Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
    • F16H2059/186Coasting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/14Control of torque converter lock-up clutches
    • F16H61/143Control of torque converter lock-up clutches using electric control means
    • F16H2061/145Control of torque converter lock-up clutches using electric control means for controlling slip, e.g. approaching target slip value
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/68Control 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 specially adapted for stepped gearings
    • F16H61/682Control 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 specially adapted for stepped gearings with interruption of drive
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/68Control 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 specially adapted for stepped gearings
    • F16H61/684Control 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 specially adapted for stepped gearings without interruption of drive
    • F16H61/688Control 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 specially adapted for stepped gearings without interruption of drive with two inputs, e.g. selection of one of two torque-flow paths by clutches

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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 provides a kind of method for the gear shift for controlling the auto-manual transmission in vehicle, wherein, during vehicle downhill running, the acceleration and deceleration of vehicle can be optionally obtained according to the wish of driver, the driving performance of vehicle is thus substantially improved.

Description

The method of the gear shift of auto-manual transmission in control vehicle
Technical field
Controlled the present invention relates generally to one kind during downhill running (downhill creep running) in vehicle The method of the gear shift of auto-manual transmission (AMT).
Background technology
In general, auto-manual transmission (AMT) is automanual speed changer, and it is configured so that traditional manual change Su Qi mechanisms change gear automatically.The AMT performs operation and selection and the gearshift behaviour of clutch using actuator automatically Make, the clutch supply speed changer is inputted to the power of speed changer from engine, and the selection and gear-change operation are substantially held The gear shift of row in the transmission.
Dual-clutch transmission (DCT) is to include two clutches to input to the power of speed changer from engine to interrupt Speed changer, therefore actually it belongs to AMT.
The vehicle for installing DCT controls the acceleration of vehicle under the slip control of clutch.Herein, start if vehicle is utilized The idle running power of machine is travelled, then the transport condition is referred to as " sliding ", it is typically kept by suitably slip-clutch Predetermined target velocity.
When the vehicle for being mounted with AMT (such as DCT) is being slided along downhill path, can by two following methods come Adjust clutch:If vehicle reaches target velocity, releasing clutch;And clutch is combined, rather than allow clutch to slide It is dynamic, and cause engine braking.
From the viewpoint of driver, when being slided along the downhill path of light grade, its wish clutch disable or Traveling is completed during releasing, because the speed of vehicle quickly increases, therefore it can realize the sensation of acceleration.But, On the downhill path of heavy grade, if vehicle is travelled when clutch is disabled, the speed of vehicle will quickly increase, therefore Driver is needed continually to reduce the speed of vehicle, and inconvenience is brought and uneasy to driver.
What is provided is merely intended to understand the background of the present invention on description of related art, therefore it should not be by this area Technical staff is construed to recognized correlation technique.
The content of the invention
Therefore, the present invention already allows for the above mentioned problem produced in the related art, and the present invention is directed to propose one The method of the gear shift of auto-manual transmission (AMT) in kind control vehicle, wherein, during vehicle downhill running, Neng Gougen The acceleration and deceleration of vehicle are optionally obtained according to the wish of driver, the driving performance of vehicle is thus substantially improved.
In order to achieve the above object, according to an aspect of the present invention, the auto-manual transmission (AMT) in control vehicle The method of gear shift include:First stage, determine whether vehicle is in downhill running pattern;Second stage, if vehicle is in Downhill running pattern, then determine the wish of driver to obtain acceleration of the vehicle along downhill path also using the actuation unit of vehicle It is the deceleration for obtaining vehicle along downhill path;Phase III, if it is determined that the wish of driver is the acceleration of vehicle, then disable or Release AMT clutch;And fourth stage, if it is determined that the wish of driver is the deceleration of vehicle, then activates or combine AMT clutch, into bonding state.
According to the present invention, during vehicle downhill running, vehicle can optionally be obtained according to the wish of driver Accelerate and slow down, thus substantially improve the driving performance of vehicle.
Brief description of the drawings
Above and other purpose, the spy of the present invention will be more clearly understood according to the detailed description later in conjunction with accompanying drawing Levy and advantage, in the drawings:
Fig. 1 is the flow chart of the example process of the method for the gear shift for controlling the auto-manual transmission (AMT) in vehicle, According to embodiment of the present invention, it is applied to dual-clutch transmission (DCT);
Fig. 2 is display deactivation as shown in Figure 1 or the curve map of the gear for the clutch for releasing AMT;And
Fig. 3 is display activation as shown in Figure 1 or combines the curve map that clutch enters the gear of bonding state.
Embodiment
The preferred embodiments of the invention will be more specifically quoted now, and the embodiment party is shown in appended accompanying drawing The example of case.
Referring to figs. 1 to Fig. 3, the method for the gear shift of the auto-manual transmission (AMT) in control vehicle includes:First stage (S100), determine whether vehicle is in downhill running pattern;Second stage (S110), if vehicle is in downhill running pattern, The wish of driver is then determined using the actuation unit of vehicle and still obtains vehicle edge to obtain acceleration of the vehicle along downhill path The deceleration in downhill path;Phase III (S120), it is used as second stage (S110) result, if it is determined that the wish of driver is The acceleration of vehicle, then disable AMT clutch, into the state of releasing;And fourth stage (S130), it is used as second stage (S110) result, if it is determined that the wish of driver is the deceleration of vehicle, then activates AMT clutch, into combining shape State.
That is, during vehicle downhill running, there is no stepping on accelerator pedal in driver so that vehicle is with sliding mode In the case of operation, actuation unit or selection phase III (S120) that driver can be set by operating in vehicle, So that vehicle accelerates, or selection fourth stage (S130) so that the speed reduction of vehicle.In other words, this method can be real The existing vehicle running state of the optimization consistent with the wish of driver.
In the first stage in (S100), pass through the signal of the similar devices from inclination sensor or in vehicle To determine descent run pattern, and determine that driver produces by the signal from accelerator pedal sensor or similar devices The displacement of raw accelerator pedal.Herein, if it is determined that driving mode is descent run pattern, and driver do not step on plus Speed pedal, then current state be confirmed as downhill running pattern.
In second stage (S110), the wish of driver, the actuation unit are determined using the actuation unit of vehicle It may include the shift bar or mode selection switch being separately provided.
If for example, actuation unit is shift bar, driver is determined by checking the shift gear of driver's selection Wish.Especially, according to embodiment, if shift bar is located at D grades, it is determined that driver wants vehicle and accelerated, and such as Fruit shift bar is located at manual, it is determined that driver wants vehicle deceleration.Fig. 1 shows the implementation of the vehicle suitable for installing DCT The example of scheme.
Alternatively, if actuation unit be mode selection switch, then second stage (S110) perform be by check by The operational mode of the switch of driver's selection determines the wish of the acceleration or deceleration of the relevant vehicle of driver.
Meanwhile, during the phase III (S120), if driver's stepping on accelerator pedal, perform and shifting into target gear The stage (140) of corresponding clutch is activated when (the target gear depends on Current vehicle speed).
That is, during the phase III (S130), if driver's stepping on accelerator pedal, can determine that driver has The wish of active accelerating vehicle, thus this method perform the stage (S140) with complete to release clutch control action so that Vehicle with nominal conditions by the power drive from engine.
Herein, corresponding clutch represent to be connected to target gear it is set in input shaft clutch.Due to AMT tools There is single clutch, therefore corresponding clutch represents single clutch.However, in the case of DCT, corresponding clutch Device represent to be connected to target gear it is set in input shaft two clutches in one.
During the stage (S140), in the case where vehicle installs DCT, if driver's stepping on accelerator pedal, carry out single Individual clutch shift so that when target gear is shifted into, the one of the input shaft being connected on target gear side Individual clutch is combined, and another clutch keeps releasing state.
In fig. 2, A segment tables show the phase III (S120), and B segment tables show single clutch shift is performed in DCT Stage (S140), and C segment tables show the normally travel state of traditional installation DCT vehicle, are changed wherein performing double clutch Shelves.
That is, at A sections, during the stage (S120), DCT two clutches are all in the power from engine Cut-off releasing state so that the speed increase of vehicle is unrelated with the speed of engine.At B sections, because driver steps on acceleration Pedal, performs the stage (S140), to complete the control action for releasing clutch.Therefore, in A sections and B sections, single clutch is performed Device gear shift.
At fourth stage (S130), perform control action and to shift into depending on Current vehicle objective speed shelves in execution When position, clutch is deactivated or released, and is activated or combines again afterwards, and keeps.
During fourth stage (S130), if vehicle is installs DCT vehicle, when according to the progress gear shift of target gear When, double clutch gear shift is performed, wherein the clutch of the gear before being connected to is released from, and new target gear is connected to Another clutch be combined.
Fig. 3 is shown in the fourth stage (S130) for the vehicle for installing DCT, wherein at D sections, first clutch, which is connected to, to be started Machine so that the speed of first clutch keeps identical with the speed of engine, and due to the speed increase of vehicle, the company of being shifted to It is connected to the higher gear of second clutch.Herein, double clutch gear shift is carried out, wherein when first clutch is released from Wait, the second clutch is combined so that after gear shift, clutch wherein any one continuously remain attached to the knot of engine Conjunction state, thus constantly provides the effect of engine braking action.
Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, but persons skilled in the art It should be appreciated that various modifications, to increase and delete be possible, without departing from model of the invention disclosed in the accompanying claims Enclose and spirit.

Claims (7)

1. a kind of method of the gear shift of the auto-manual transmission in control vehicle, including:
First stage, determine whether vehicle is in downhill running pattern;
Second stage, if vehicle is in downhill running pattern, the wish of driver is determined using the actuation unit of vehicle To obtain acceleration or acquisition vehicle deceleration along downhill path of the vehicle along downhill path;
Phase III, it is used as the result of the second stage, if it is determined that the wish of driver is the acceleration of vehicle, then disables The clutch of auto-manual transmission, into the state of releasing;And
Fourth stage, be used as the result of the second stage, if it is determined that the wish of driver is the deceleration of vehicle, then activates The clutch of auto-manual transmission, into bonding state.
2. the method for the gear shift of the auto-manual transmission in control vehicle according to claim 1, wherein, described the Two-stage, the wish of driver is determined by checking the shift gear of the shift bar selected by driver, if wherein described Shift bar is located at D grades, it is determined that driver wants vehicle and accelerated, and if the shift bar is positioned at manual, it is determined that drive The person of sailing wants vehicle deceleration.
3. the method for the gear shift of the auto-manual transmission in control vehicle according to claim 1, wherein, described the Two-stage, determined by checking the operational mode of the mode selection switch selected by driver driver relevant vehicle plus Speed or the wish slowed down, the mode selection switch are provided separately within vehicle.
4. the method for the gear shift of the auto-manual transmission in control vehicle according to claim 1, wherein, in the 3rd rank Section during, if driver's stepping on accelerator pedal, further perform additional phase, the additional phase shift into depending on work as When the target gear of vehicle in front speed, corresponding clutch is activated.
5. the method for the gear shift of the auto-manual transmission in control vehicle according to claim 4, wherein, described attached Plus during the stage, if the vehicle is the vehicle for installing dual-clutch transmission, when driver's stepping on accelerator pedal, carry out Single clutch shift so that when the target gear is shifted into, is connected on the target gear side One clutch of input shaft is combined, and another clutch keeps releasing state.
6. the method for the gear shift of the auto-manual transmission in control vehicle according to claim 4, wherein, described the Four stages, perform control action cause perform shift into the target gear depending on Current vehicle speed when, it is described from Clutch is deactivated or released, and is activated or combines again afterwards, and keeps.
7. the method for the gear shift of the auto-manual transmission in control vehicle according to claim 6, wherein, described the Four stages, if the vehicle is installs the vehicle of dual-clutch transmission, when carrying out gear shift according to the target gear, Double clutch gear shift is performed, the clutch of the gear before being connected in the double clutch is released from, and is connected to new Another clutch of target gear is combined.
CN201310329436.0A 2013-03-28 2013-07-31 The method of the gear shift of auto-manual transmission in control vehicle Expired - Fee Related CN104074961B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2013-0033170 2013-03-28
KR1020130033170A KR101470138B1 (en) 2013-03-28 2013-03-28 Shift control method for vehicle with amt

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CN104074961B true CN104074961B (en) 2017-10-31

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DE (1) DE102013108140A1 (en)

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US9650047B2 (en) * 2015-04-23 2017-05-16 Ford Global Technologies, Llc Method of operating a transmission clutch
CN109139904B (en) * 2017-07-01 2019-12-17 董润 automatic vehicle gear shifting device and working method thereof
KR101988134B1 (en) 2017-12-05 2019-06-11 현대자동차주식회사 Shift control method for vehicle with amt
KR102507271B1 (en) 2018-12-27 2023-03-08 현대트랜시스 주식회사 Creep control method for vehicle
US11181174B2 (en) 2019-11-07 2021-11-23 Hyundai Motor Company Powertrain for electric vehicle
US11927253B2 (en) 2019-11-07 2024-03-12 Hyundai Motor Company Powertrain for electric vehicle
KR20210074522A (en) 2019-12-12 2021-06-22 현대자동차주식회사 Power train for electric vehicle
KR20210074521A (en) 2019-12-12 2021-06-22 현대자동차주식회사 Power train for electric vehicle
KR20210074520A (en) 2019-12-12 2021-06-22 현대자동차주식회사 Power train for electric vehicle
KR20210119149A (en) 2020-03-24 2021-10-05 현대자동차주식회사 Power train for electric vehicle
KR102424448B1 (en) 2020-11-03 2022-07-22 현대자동차주식회사 Shift conrtol method for vehicle

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Publication number Publication date
KR101470138B1 (en) 2014-12-05
KR20140118028A (en) 2014-10-08
DE102013108140A1 (en) 2014-10-02
CN104074961A (en) 2014-10-01

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