CN102128257A - Method for controlling sudden acceleration tyre slipping gear shifting for AMT (automatic manual transmission) vehicle - Google Patents
Method for controlling sudden acceleration tyre slipping gear shifting for AMT (automatic manual transmission) vehicle Download PDFInfo
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- CN102128257A CN102128257A CN2011100673046A CN201110067304A CN102128257A CN 102128257 A CN102128257 A CN 102128257A CN 2011100673046 A CN2011100673046 A CN 2011100673046A CN 201110067304 A CN201110067304 A CN 201110067304A CN 102128257 A CN102128257 A CN 102128257A
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Abstract
The invention relates to a method for controlling sudden acceleration tyre slipping gear shifting for an AMT (automatic manual transmission) vehicle. The method is characterized in that wheel speed signals of four wheels of a vehicle and output shaft rotation speed gradient signals are collected and are respectively transmitted to a TCU (transmission control unit) for analyzing; when wheel speed difference V or output shaft rotation speed gradient NTG is greater than calibration entry conditions Vin or NTGout, a system instantly enters the sudden acceleration tyre slipping gear shifting control, no matter what gear is sent out by Gp_new, the system keeps the existing gear Gp; when the wheel speed difference V or the output shaft rotation speed gradient NTG is less than calibration exit conditions Vout or NTGout, the system record is less the time T of a calibration value, if T is less than Tout, the system does not exit the sudden acceleration tyre slipping gear shifting control; and if T equals to Tout, the system exits the sudden acceleration tyre slipping gear shifting control instantly and enters a normal gear shifting control, namely Gp equals to Gp_new. Through implementing the control method above by an AMT, the conditions of gear lifting and motive power interruption of the vehicle caused by the sudden acceleration tyre slipping are avoided, thus the vehicle gear shifting satisfies the intention of a driver, the safety of starting acceleration and side overtaking is ensured, and simultaneously the normal gear lifting function is not influenced.
Description
Technical field
The invention belongs to the automobile speed variator shift control technique, be specifically related to a kind of method of controlling under the anxious acceleration situation of automatic mechanical transmission vehicle of carrying.
Technical background
AMT speed changer (abbreviation of Automatic Manual Transmission) be added on original manual transmission basis that the actuating motor that selects gear shift and clutch replaces manual operation select gear shifting handle, clutch pedal, its cost is approximately higher than manual transmission, but it is more much lower than automatic transmission (AT) cost, therefore it equally with manual transmission possesses transmission efficiency height, economical and practical advantage.The AMT speed changer is also heating up to its research year by year owing to had extremely each the big automobile vendor favor since the last century the eighties of transmission efficiency height, mechanism's compactness, reliable operation, advantage such as cheap.Under the not mature enough situation of Chinese hydrodynamics, the AMT speed changer meets the national conditions of China as a kind of product of transition very much, will have very big development in the Chinese speed changer transitional period.But also there are its some shortcomings in the AMT speed changer.Here the situation that is primarily aimed at AMT car tyre slip when carrying out anxious the acceleration is studied.
Situation at AMT car tyre slip when carrying out anxious the acceleration probably has following situation:
1, when vehicle is started to walk on the little road surface of adhesion (as ice and snow road), the speed of a motor vehicle is zero but driving wheel skids suddenly.If do not take corresponding processing in this case, transmission control unit (TCU) thinks that the speed of a motor vehicle of calculating by wheel speed signal or output shaft tach signal rises by mistake, therefore (wherein gear shift MAP figure abscissa is the speed of a motor vehicle to take the shift-up action do not expected according to gear shift MAP figure (as Fig. 1), y coordinate is a gas pedal, ED_12 is that economic model rises second gear for one grade, and all the other gear shift by that analogy.), clutch separates in order to cooperate gear shift, thereby causes vehicle power to interrupt.It is unallowed interrupting at the starting-up process medium power, if this moment, vehicle was at the startup by traffic light, power interruption can cause vehicle to lose accelerating ability suddenly, causes potential safety hazard thereby be easy to take place rear crash event.
2, when vehicle quickened suddenly in the running process of the little road surface of adhesion (as ice and snow road), the speed of a motor vehicle was stable originally, but driving wheel skids suddenly.If do not take corresponding processing in this case, transmission control unit thinks that the speed of a motor vehicle of calculating by wheel speed signal or output shaft tach signal rises by mistake, therefore take the shift-up action do not expected according to gear shift MAP figure (as Fig. 1), clutch separates in order to cooperate gear shift, thereby causes vehicle power to interrupt.Being intended that of this power interruption and driver is inconsistent, causes security incident easily.If this kind situation occurs in the situation of vehicle cut-ins, the driver quickens suddenly at fast, runs into driving wheel then suddenly and skids, and vehicle upgrades and power interruption, causes that vehicle is unpredictable to run out of steam, and is easy to take place rear crash event.Simultaneously after vehicle is got back to by slippery road surface, before upgrading, speed of a motor vehicle reality do not change, but vehicle power is also not enough owing to upgrade, this situation is unexpected and take place, a vehicle is overtaken other vehicles if also follow up in the fast back, and this unpredictable power interruption takes place front truck is breakneck.
Summary of the invention
The objective of the invention is to overcome above many shortcomings, provide a kind of AMT car the anxious tyre slip gear-shifting control method that quickens, under the anxious accelerating vehicle driving of driver situation, vehicle takes the anxious tyre slip gear-shifting control method that quickens to carry out process of power shift control, make the driver when quickening the steering vehicle tyre slip, keep current gear, avoid producing the shift-up action of not expecting, power interruption when avoiding quickening guarantees the safety of driving a vehicle.
This gear-shifting control method is for judging that when system enter the anxious tyre slip gear shift control back of quickening keeps current gear, up to system judge tire not the system of skidding withdraw from the gear shift of anxious acceleration tyre slip and control, vehicle carries out normal lifting shelves according to MAP figure.Wherein be equipped with on the AMT vehicle of ABS, system can directly use the wheel speed difference between driving wheel and the follower to judge wheel-slip; Be not equipped with on the AMT vehicle of ABS, system can calculate the output shaft rotating speed slope that is connected with driving wheel and judge wheel-slip.When system has entered the anxious tyre slip gear shift control of quickening, quicken tyre slip gear shift control in order to prevent that vehicle frequent entry and exit on desultory slippery road surface are anxious, system is provided with one and withdraws from anxious the acceleration tyre slip gear shift control lag time.
Method specifically comprises following process:
(off-front wheel wheel speed, the near front wheel wheel speed, off hind wheel wheel speed, left rear wheel wheel speed are designated as Vrf, Vlf, Vrr, Vlr respectively by four wheel speed signals of wheel speed sensors collection vehicle.) and pass to ABS(wheel speed control unit), ABS passes to TCU by the CAN bus with wheel speed signal.Gather output shaft rotating speed slope signal and pass to TCU by output shaft rotating speed slope sensor.TCU analyzes with the wheel speed signal accepted, output shaft rotating speed slope signal, gearshift position signal, clutch state signal, the adaptive switched switching signal of hand, the current gear signal Gp of vehicle and according to next gear signal Gp_new that MAP figure calculates.When the driving wheel mean speed (is designated as Vq, Vq=(Vrf+Vlf)/2.) (be designated as Vc, Vc=(Vrr+Vlr)/2 with the follower mean speed.) poor (being designated as V) during greater than the anxious condition value (being designated as Vin) that quickens tyre slip gear shift control of entering of setting or output shaft rotating speed slope (being designated as NTG) during greater than the anxious condition value (being designated as NTGin) that quickens tyre slip gear shift control of entering of setting, and for joint, when the adaptive switched switch of hand is automatic mode, system enters the anxious tyre slip gear shift control of quickening to gearshift position at D shelves, clutch state.System is no matter next gear Gp_new keeps current gear Gp.If system has entered the anxious tyre slip gear shift control of quickening, when the difference of driving wheel mean speed and follower mean speed during less than the anxious condition value (being designated as Vout) that quickens tyre slip gear shift control of withdrawing from of setting or output shaft rotating speed slope during less than the anxious condition value (being designated as NTGout) that quickens tyre slip gear shift control of withdrawing from of setting or gearshift position be not disengaged or the adaptive switched switch of hand when being manual mode at D shelves or clutch state, system will withdraw from the anxious tyre slip gear shift control of quickening immediately after the time (being designated as Tout) of one section setting of anxious acceleration tyre slip gear shift control lag, enter normal gear shift control.
For further understanding, suppose that other conditions do not consider, only consider that output shaft rotating speed slope and wheel speed signal are to the anxious tyre slip gear shift control entry and exit condition effect of quickening, can be with reference to Fig. 2, as wheel speed difference V or output shaft rotating speed slope NTG during greater than entry condition Vin that demarcates or NTGout, system enters the anxious tyre slip gear shift control of quickening immediately, no matter what gear Gp_new sends, system all keeps current gear Gp.If as wheel speed difference V or output shaft rotating speed slope NTG during less than exit criteria Vout that demarcates or NTGout, system log (SYSLOG) is less than the time T of calibration value, then do not withdraw from the anxious tyre slip gear shift control of quickening if obtain T＜Tout, if running into T=Tout then withdraws from immediately and anxious quicken tyre slip gear shift control and enter normal gear shift control, i.e. Gp=Gp_new.
The AT speed changer is by after implementing anxious acceleration tyre slip gear shift control, the vehicle of having avoided anxious acceleration tyre slip the to cause situation with power interruption that upgrades, make Vehicular shift satisfy driver's intention, guarantee the Security that starting is quickened and overtake other vehicles in the side, do not influenced the function that upgrades normally simultaneously.
Description of drawings
Fig. 1 is gear shift MAP figure;
Fig. 2 is that the figure that explains is controlled in the gear shift of anxious acceleration tyre slip;
Fig. 3 is the anxious tyre slip shift logic control graph that quickens.
Embodiment
In order to understand the present invention better, below in conjunction with the accompanying drawings anxious in this programme quickened tyre slip gear shift control by embodiment and be described in detail.
Logic control scheme is as shown in Figure 3 taked in anxious acceleration tyre slip gear shift control among the present invention.As shown in Figure 3, four wheel speed signals of wheel speed sensors collection are also passed to ABS, and ABS passes to TCU by the CAN bus with this wheel speed signal, and TCU calculates driving wheel and follower wheel speed difference V, and wherein wheel speed difference V is designated as 1 greater than Vin, is designated as 0 less than Vout; Output shaft rotating speed slope sensor is gathered output shaft rotating speed slope signal NTG and is passed to TCU, TCU is designated as 1 with NTG greater than the anxious condition value NTGin that quickens tyre slip gear shift control that enters that sets, and NTG is designated as 0 less than the anxious condition NTGout that quickens tyre slip gear shift control that withdraws from that sets; Gearshift position is that D is designated as 1, and all the other are designated as 0; Clutch state engages and is designated as 1, and all the other are designated as 0; The adaptive switched switch of hand is that automatic mode is designated as 1, and all the other are designated as 0.TCU carries out AND-operation with above Boolean and obtains a result 1 or 0, and wherein 1 representative system is carried out the anxious tyre slip gear shift control of quickening, and 0 representative system withdraws from the anxious tyre slip gear shift control of quickening.When the AND-operation result is 1, be after system enters anxious acceleration tyre slip gear shift control, TCU carries out OR operation again with above Boolean and obtains a result 1 or 0, wherein 1 representative system does not withdraw from and suddenly quickens tyre slip gear shift control, and 0 representative system will withdraw from the anxious tyre slip gear shift control of quickening immediately after the time (being designated as Tout) of one section setting of anxious acceleration tyre slip gear shift control lag.
Certainly the calibration engineer can demarcate the value of Vin, Vout, NTGin, NTGout, Tout according to actual conditions and demarcation experience.Here give an example Vin=200rpm, Vout=100rpm, NTGin=40rpm/s, NTGout=20rpm/s, Tout=1s.Here upgrade in order to guarantee that delay time does not influence normally, time T can not be long in case occur gear shift always delayed impact normally upgrade, time can not be too short, otherwise keep away the situation of the unavoidable vehicle frequent anxious acceleration of entry and exit tyre slip gear shift control on desultory slippery road surface.
Protection scope of the present invention is not limited to the above embodiments, and obviously, those skilled in the art can carry out various changes and distortion and do not depart from the scope of the present invention and spirit the present invention.If these changes and distortion belong in the scope of claim of the present invention and equivalent technologies thereof, then the intent of the present invention also comprises these changes and is out of shape interior.
Claims (2)
1. an AT speed changer suddenly quickens the tyre slip gear-shifting control method, and it is characterized in that: described method comprises following process:
Be designated as Vrf, Vlf, Vrr, Vlr respectively by four wheel speed signals in wheel speed sensors collection vehicle front, rear, left and right, and pass to wheel speed control unit ABS, ABS passes to TCU by the CAN bus with wheel speed signal;
Gather output shaft rotating speed slope signal and pass to TCU by output shaft rotating speed slope sensor;
TCU is with the wheel speed signal of accepting, output shaft rotating speed slope signal, the gearshift position signal, the clutch state signal, the adaptive switched switching signal of hand, the current gear signal Gp of vehicle and analyze: as driving wheel mean speed Vq according to next gear signal Gp_new that MAP figure calculates, Vq=(Vrf+Vlf)/2 with follower mean speed Vc, Vc=(Vrr+Vlr)/2 difference V is during greater than the anxious condition value Vin that quickens tyre slip gear shift control of entering of setting, or output shaft rotating speed slope NTG is during greater than the anxious condition value NTGin that quickens tyre slip gear shift control of entering of setting, and gearshift position is at the D shelves, clutch state is for engaging, when the adaptive switched switch of hand was automatic mode, system entered the anxious tyre slip gear shift control of quickening; System is no matter next gear Gp_new keeps current gear Gp; If system has entered the anxious tyre slip gear shift control of quickening, when the difference of driving wheel mean speed and follower mean speed during less than the anxious condition value Vout that quickens tyre slip gear shift control of withdrawing from of setting, or output shaft rotating speed slope is during less than the anxious condition value NTGout that quickens tyre slip gear shift control of withdrawing from of setting, or gearshift position is not disengaged or the adaptive switched switch of hand when being manual mode at D shelves or clutch state, after system will suddenly quicken the time T out of one section setting of tyre slip gear shift control lag, withdraw from the anxious tyre slip gear shift control of quickening immediately, enter normal gear shift control.
2. the anxious tyre slip gear-shifting control method that quickens of AT speed changer according to claim 1 is characterized in that described method specifically comprises following process:
Four wheel speed signals of wheel speed sensors collection are also passed to ABS, and ABS passes to TCU by the CAN bus with this wheel speed signal, and TCU calculates driving wheel and follower wheel speed difference V, and wherein wheel speed difference V is designated as 1 greater than Vin, is designated as 0 less than Vout;
Output shaft rotating speed slope sensor is gathered output shaft rotating speed slope signal NTG and is passed to TCU, TCU is designated as 1 with NTG greater than the anxious condition value NTGin that quickens tyre slip gear shift control that enters that sets, and NTG is designated as 0 less than the anxious condition NTGout that quickens tyre slip gear shift control that withdraws from that sets;
Gearshift position is that D is designated as 1, and all the other are designated as 0; Clutch state engages and is designated as 1, and all the other are designated as 0; The adaptive switched switch of hand is that automatic mode is designated as 1, and all the other are designated as 0; TCU carries out AND-operation with above Boolean and obtains a result 1 or 0, and wherein 1 representative system is carried out the anxious tyre slip gear shift control of quickening, and 0 representative system withdraws from the anxious tyre slip gear shift control of quickening; When the AND-operation result is 1, be after system enters anxious acceleration tyre slip gear shift control, TCU carries out OR operation again with above Boolean and obtains a result 1 or 0, wherein 1 representative system does not withdraw from the anxious tyre slip gear shift control of quickening, after 0 representative system will suddenly be quickened the time T out of one section setting of tyre slip gear shift control lag, withdraw from the anxious tyre slip gear shift control of quickening immediately.
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| CN2011100673046A CN102128257A (en) | 2011-03-21 | 2011-03-21 | Method for controlling sudden acceleration tyre slipping gear shifting for AMT (automatic manual transmission) vehicle |
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| CN2011100673046A CN102128257A (en) | 2011-03-21 | 2011-03-21 | Method for controlling sudden acceleration tyre slipping gear shifting for AMT (automatic manual transmission) vehicle |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654194A (en) * | 2012-05-23 | 2012-09-05 | 重庆长安汽车股份有限公司 | Road turn detection gear shift control method of double clutch transmission automobile |
| CN104110490A (en) * | 2013-04-16 | 2014-10-22 | 重庆长安汽车股份有限公司 | DCT (dual clutch transmission) vehicle braking tire slipping gear-shifting control method |
| CN106523685A (en) * | 2015-09-14 | 2017-03-22 | 上海汽车集团股份有限公司 | TCU and gear shifting control method thereof |
| CN106644473A (en) * | 2017-03-14 | 2017-05-10 | 芜湖万里扬变速器有限公司 | Manual-automatic gearbox delivery and checking test control method |
| CN110834636A (en) * | 2019-11-21 | 2020-02-25 | 北京易控智驾科技有限公司 | Method and system for identifying and controlling wheel slip of unmanned mine car |
| CN111086500A (en) * | 2020-03-23 | 2020-05-01 | 盛瑞传动股份有限公司 | Vehicle slip protection method and system and vehicle |
| CN111677783A (en) * | 2020-05-08 | 2020-09-18 | 中国北方车辆研究所 | Calibration method for initial position parameter threshold of clutch sliding friction point |
| CN112096855A (en) * | 2019-06-18 | 2020-12-18 | 郑州宇通客车股份有限公司 | Motor speed regulation method and gear shifting method for gearbox, medium and vehicle |
| CN112693448A (en) * | 2021-01-06 | 2021-04-23 | 恒大新能源汽车投资控股集团有限公司 | Automobile torque steering control method and electronic equipment |
| CN112797156A (en) * | 2021-02-07 | 2021-05-14 | 潍柴动力股份有限公司 | Gear shifting control method and device and controller |
| WO2023273704A1 (en) * | 2021-06-30 | 2023-01-05 | 中国第一汽车股份有限公司 | Manual mode gear shift control method and vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089029A (en) * | 1992-12-08 | 1994-07-06 | 易通公司 | Determine whether motor vehicle braking system needs the method and apparatus that maintains |
| JP2004123094A (en) * | 2002-10-04 | 2004-04-22 | General Motors Corp <Gm> | Anti-lock braking system controller for adjusting slip thresholds on inclines |
| CN101251184A (en) * | 2008-03-28 | 2008-08-27 | 泰州市海博汽车科技有限公司 | Control apparatus and control method for transforming gear of electric-controlled mechanical automatic speed transmission |
| CN101985300A (en) * | 2010-09-30 | 2011-03-16 | 重庆长安汽车股份有限公司 | Torque control method capable of preventing driving wheels from slipping |
-
2011
- 2011-03-21 CN CN2011100673046A patent/CN102128257A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089029A (en) * | 1992-12-08 | 1994-07-06 | 易通公司 | Determine whether motor vehicle braking system needs the method and apparatus that maintains |
| JP2004123094A (en) * | 2002-10-04 | 2004-04-22 | General Motors Corp <Gm> | Anti-lock braking system controller for adjusting slip thresholds on inclines |
| CN101251184A (en) * | 2008-03-28 | 2008-08-27 | 泰州市海博汽车科技有限公司 | Control apparatus and control method for transforming gear of electric-controlled mechanical automatic speed transmission |
| CN101985300A (en) * | 2010-09-30 | 2011-03-16 | 重庆长安汽车股份有限公司 | Torque control method capable of preventing driving wheels from slipping |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654194A (en) * | 2012-05-23 | 2012-09-05 | 重庆长安汽车股份有限公司 | Road turn detection gear shift control method of double clutch transmission automobile |
| CN104110490A (en) * | 2013-04-16 | 2014-10-22 | 重庆长安汽车股份有限公司 | DCT (dual clutch transmission) vehicle braking tire slipping gear-shifting control method |
| CN106523685A (en) * | 2015-09-14 | 2017-03-22 | 上海汽车集团股份有限公司 | TCU and gear shifting control method thereof |
| CN106523685B (en) * | 2015-09-14 | 2018-07-17 | 上海汽车集团股份有限公司 | A kind of TCU and its shift control method |
| CN106644473A (en) * | 2017-03-14 | 2017-05-10 | 芜湖万里扬变速器有限公司 | Manual-automatic gearbox delivery and checking test control method |
| CN112096855A (en) * | 2019-06-18 | 2020-12-18 | 郑州宇通客车股份有限公司 | Motor speed regulation method and gear shifting method for gearbox, medium and vehicle |
| CN112096855B (en) * | 2019-06-18 | 2022-06-07 | 宇通客车股份有限公司 | Motor speed regulation method and gear shifting method for gearbox, medium and vehicle |
| CN110834636A (en) * | 2019-11-21 | 2020-02-25 | 北京易控智驾科技有限公司 | Method and system for identifying and controlling wheel slip of unmanned mine car |
| CN111086500A (en) * | 2020-03-23 | 2020-05-01 | 盛瑞传动股份有限公司 | Vehicle slip protection method and system and vehicle |
| CN111086500B (en) * | 2020-03-23 | 2020-07-31 | 盛瑞传动股份有限公司 | Vehicle slip protection method and system and vehicle |
| CN111677783A (en) * | 2020-05-08 | 2020-09-18 | 中国北方车辆研究所 | Calibration method for initial position parameter threshold of clutch sliding friction point |
| CN112693448A (en) * | 2021-01-06 | 2021-04-23 | 恒大新能源汽车投资控股集团有限公司 | Automobile torque steering control method and electronic equipment |
| CN112693448B (en) * | 2021-01-06 | 2022-10-11 | 恒大新能源汽车投资控股集团有限公司 | Automobile torque steering control method and electronic equipment |
| CN112797156A (en) * | 2021-02-07 | 2021-05-14 | 潍柴动力股份有限公司 | Gear shifting control method and device and controller |
| WO2023273704A1 (en) * | 2021-06-30 | 2023-01-05 | 中国第一汽车股份有限公司 | Manual mode gear shift control method and vehicle |
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