CN101201101B - AMT vehicle gear-shift mechanism with shift point correcting function and correcting method thereof - Google Patents
AMT vehicle gear-shift mechanism with shift point correcting function and correcting method thereof Download PDFInfo
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- CN101201101B CN101201101B CN2006101576220A CN200610157622A CN101201101B CN 101201101 B CN101201101 B CN 101201101B CN 2006101576220 A CN2006101576220 A CN 2006101576220A CN 200610157622 A CN200610157622 A CN 200610157622A CN 101201101 B CN101201101 B CN 101201101B
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Abstract
The invention discloses an AMT vehicle gear shifting device and method with a correcting function at the shift point. The device comprises a signal collecting unit, a control unit and an actuating mechanism. The signal collecting unit is used for collecting the running parameters of the AMT vehicle and outputting to the control unit. The control unit is used for judging whether the AMT vehicle is in an emergency oiling or in an emergency oil reducing state according to the running parameters, when the AMT vehicle reaches the shift point. The method comprises the following steps. The signal collecting unit collects the running parameters of the AMT vehicle and outputs to the control unit; the control unit judges whether the AMT vehicle reaches the shift point according to the running parameters of the AMT vehicle; if yes, then the control unit judges whether the AMT vehicle is in the emergency oiling or in the emergency oil reducing state according to the running parameters; if yes, the control unit controls the actuating mechanism to carry through collecting on the shift point. The invention can avoids power interruption and reduce the factors that affect the vehicle speed to improve or reduce.
Description
Technical field
The present invention relates to the shift point correction of vehicle, particularly a kind of gearshift and method for correcting thereof with electrical control automatic manual transmission (Automated Mechanical Transmission is called for short AMT) vehicle of shift point debugging functions.
Background technique
The AMT vehicle in the process of moving, the driver has that accelerator pedal rapidly is promptly anxious to refuel or the promptly anxious operation that subtracts oil of pine tar door pedal rapidly.Such as: under the situation of overtaking other vehicles, the driver understands anxious accelerator pedal, thereby wishing that the speed of a motor vehicle rises as early as possible can overtake other vehicles successfully; Under the situation of brake, the driver understands anxious pine tar door pedal, and reduction of speed is to stop as early as possible to wish vehicle, and this moment, the driver just hoped speed-raising or reduction of speed as early as possible, but the AMT vehicle can carry out gear shift automatically after the speed of a motor vehicle reaches shift point.Vehicle clutch, closure when carrying out gear-change operation all will move, and these all will spend the regular hour.Particularly also be attended by power interruption in the gearshift procedure, these all can have influence on the lifting or the reduction of the speed of a motor vehicle.Refuel or the anxious automaitc shfit that subtracts vehicle under the oil condition anxious, can make the driver feel very uncomfortable, and the speed of a motor vehicle of AMT car does not satisfy driver's requirement.Driver's active demand can be refueled or the anxious AMT vehicle that carries out the shift point correction under the oily situation automatically that subtracts anxious.
Summary of the invention
Technical problem to be solved by this invention is the defective that remedies prior art, and a kind of AMT vehicle shifter with shift point debugging functions is provided.
Another technical problem that the present invention will solve is: provide a kind of AMT vehicle to carry out the method for shift point correction.
First technical problem of the present invention is solved by the following technical programs:
A kind of AMT vehicle shifter with shift point debugging functions comprises signal gathering unit, control unit and actuator; Described signal gathering unit is used to gather the parameter and export described control unit to of travelling of described AMT vehicle; Described control unit is used for judging according to the parameter of travelling whether described AMT vehicle is in anxious refuel or urgency subtracts oil condition and controls described actuator when being and carry out the shift point correction being judged as after the AMT vehicle reaches shift point; Wherein, described signal gathering unit (10) also comprises brake pedal sensor (12) and accelerator pedal sensor (13), the described parameter of travelling also comprises brake petal folding parameter and gas pedal folding location parameter, and described control unit (20) can judge whether the AMT vehicle is in anxious the oiling or the anxious oil condition that subtracts according to current brake petal folding parameter and gas pedal folding position rate.
First technical problem of the present invention is solved by following further technological scheme:
Described signal gathering unit comprises vehicle speed sensor, gear position sensor, throttle sensor, engine rotation speed sensor, the described parameter of travelling comprises current vehicle speed, current gear, current throttle opening parameter, and described control unit can be judged the AMT vehicle according to current vehicle speed, current gear, the current throttle opening parameter of input in it and whether reach shift point and judge according to vehicle speed variation rate whether the AMT vehicle is in anxious refuel or urgency subtracts oil condition.
Described control unit comprises signal receiving module, received signal puocessing module, the control signal output module that links to each other successively, and described signal receiving module receives the output of described signal gathering unit, and described control signal output module is controlled described actuator.
Described actuator comprises the throttle motor of regulating throttle opening.
Described actuator also comprises the clutch motor that drives clutch and the gear motor of regulation stall.
Another technical problem of the present invention is solved by the following technical programs:
A kind of AMT vehicle carries out the method for shift point correction, comprises the steps:
A. signal gathering unit is gathered the parameter and export control unit to of travelling of AMT vehicle;
B. described control unit judges according to the parameter of travelling of AMT vehicle whether the AMT vehicle reaches shift point, if just judge according to the described parameter of travelling whether the AMT vehicle is in anxious the oiling or the anxious oil condition that subtracts, if described control unit carries out the shift point correction with regard to control executing mechanism; Wherein, the described AMT of judgement vehicle whether be in anxious refuel or the anxious method that subtracts oil condition as follows:
B1. judge whether the time stepping on brake petal arrive threshold value, just enter step B2 if not;
B2. the positive variance ratio of judging gas pedal folding position whether greater than to the negative variance ratio of emergent first predefined value that refuels and gas pedal folding position whether greater than to emergent second predefined value that subtracts oil, if the positive variance ratio of gas pedal folding position just shows that greater than first predefined value AMT vehicle is in anxious fueling state, if the negative variance ratio of gas pedal folding position just shows that greater than second predefined value AMT vehicle is in the anxious oil condition that subtracts.
Another technical problem of the present invention is solved by following further technological scheme:
The described AMT of judgement vehicle whether is in anxious oiling or the anxious method that subtracts oil condition also can be as follows:
After postponing a period of time, judge the AMT vehicle the speed of a motor vehicle positive variance ratio whether greater than to the negative variance ratio of emergent the 3rd predefined value that refuels and the speed of a motor vehicle whether greater than to emergent the 4th predefined value that subtracts oil, if the positive variance ratio of the speed of a motor vehicle just shows that greater than the 3rd predefined value the AMT vehicle is in anxious fueling state, if the negative variance ratio of the speed of a motor vehicle just shows that greater than the 4th predefined value the AMT vehicle is in the anxious oil condition that subtracts.
The method of described shift point correction: when under anxious oiling situation, the throttle motor that described control unit is controlled described actuator increases throttle opening; When subtracting under the oily situation anxious, the throttle motor that described control unit is controlled described actuator reduces throttle opening.
Compared with prior art, beneficial effect of the present invention is as follows:
Use AMT vehicle of the present invention to refuel or suddenly can carry out the shift point correction automatically when subtracting oil, save vehicle and when carrying out gear-change operation, move time of clutch and closure anxious.Avoid the power interruption in gearshift procedure, reduced the factor that the speed of a motor vehicle promotes or reduces that influences.The speed of a motor vehicle of this AMT vehicle can satisfy the driver and wish the requirement quickening as early as possible or slow down the driver to be felt as snug as a bug in a rug.
Description of drawings
Contrast accompanying drawing and the present invention is explained below in conjunction with embodiment.
Fig. 1 is the structural representation with AMT vehicle shifter of shift point debugging functions of the present invention;
Fig. 2 is the flow chart that first kind of AMT vehicle of the present invention carries out the method for shift point correction;
Fig. 3 is the flow chart that second kind of AMT vehicle of the present invention carries out the method for shift point correction.
Embodiment
As shown in Figure 1, a kind of AMT vehicle shifter with shift point debugging functions comprises signal gathering unit 10, control unit 20, actuator 30; Signal gathering unit 10 is gathered the parameter and export control unit 20 to of travelling of AMT vehicles; Control unit 20 judges according to the parameter of travelling whether the AMT vehicle is in anxious the oiling or the anxious oil condition that subtracts; If control unit 20 carries out the shift point correction with regard to control executing mechanism 30, if not, control unit 20 carries out normal gear shift with regard to control executing mechanism 30.
Described control unit 20 comprises signal receiving module 21, received signal puocessing module 22, the control signal output module 23 that links to each other successively.Described signal gathering unit 10 comprises vehicle speed sensor 11, brake pedal sensor 12, accelerator pedal sensor 13, throttle position sensor 14, gear position sensor 15, clutch position sensor 16 and the engine rotation speed sensor 17 that links to each other with signal receiving module 21 respectively.The signal of these sensor outputs is just corresponding with the parameter of travelling of current vehicle.
Actuator 30 comprises clutch motor 31, throttle motor 32, the gear motor 33 that links to each other with control signal output module 23 respectively.
Described vehicle speed sensor 11 is positioned on the gear box casing, is used to detect the travelling speed of vehicle, can use magnetoelectric velocity transducer.Described brake pedal sensor 12 is positioned on the brake petal, is used to detect the folding degree of brake petal, can use potentiometer beginning angular displacement sensor.Described accelerator pedal sensor 13 is positioned on the gas pedal (throttle power assembly housing), is used to detect the folding degree of gas pedal, can use potentiometer beginning angular displacement sensor.Described throttle position sensor 14 is positioned on the motor body, is used to detect the folding degree of closure, can use potentiometric transducer.Described gear position sensor 15 is positioned on the housing of gearbox, is used to detect the residing state of gear, can use potentiometric transducer.Described clutch position sensor 16 is positioned on the housing of clutch assembly, is used to detect the folding condition of clutch, can use potentiometric transducer.Described engine rotation speed sensor 17 is positioned on the motor, is used for the speed of detection of engine, can use magnetoelectric velocity transducer.For guaranteeing to gather the stability and the Security of signal, above-mentioned vehicle speed sensor 11 can adopt two, one of them is main vehicle speed sensor, another is auxiliary vehicle speed sensor, the AMT vehicle is in driving process, when main vehicle speed sensor has been gone bad, signal receiving module 21 can be gathered the output signal of auxilliary vehicle speed sensor.
Described signal receiving module 21 is used for the analogue signal of signal gathering unit 10 outputs is carried out voltage stabilizing and export received signal puocessing module 22 to carrying out analysing and processing for received signal puocessing module 22.
Received signal puocessing module 22 is used for earlier the signal of the sensor of signal receiving module 21 outputs is carried out RC filtering, to prevent that other signal from disturbing, determine the shift point of current AMT vehicle again according to current gear signal, throttle opening signal, vehicle speed signal, after the AMT vehicle arrives shift point, received signal puocessing module 22 judges according to the variance ratio or the vehicle speed variation rate of accelerator pedal position whether the AMT vehicle is in anxious the oiling or the anxious oil condition that subtracts, if just output control signals to control signal output module 23 and make actuator carry out the shift point correction.
Above-mentioned received signal puocessing module 22 judges according to the variance ratio of accelerator pedal position whether the AMT vehicle is in anxious oiling or the anxious method that subtracts oil condition is: after the time of stepping on brake petal arrives threshold value, the positive variance ratio of gas pedal folding position just shows that greater than first predefined value AMT vehicle is in anxious fueling state; The negative variance ratio of gas pedal folding position just shows that greater than second predefined value AMT vehicle is in the anxious oil condition that subtracts.
Above-mentioned received signal puocessing module 22 judges according to vehicle speed variation rate whether the AMT vehicle is in anxious refuel or the anxious method that subtracts oil condition is: when the positive variance ratio of the speed of a motor vehicle just shows that greater than the 3rd predefined value the AMT vehicle is in anxious fueling state, if the negative variance ratio of the speed of a motor vehicle just shows that greater than the 4th predefined value the AMT vehicle is in the anxious oil condition that subtracts.
Control signal output module 23 is drive circuits, is used for controlling above-mentioned motor rotation according to control signal output drive signal to clutch motor 31, throttle motor 32, the gear motor 33 of received signal puocessing module 22 outputs.
Above-mentioned clutch motor 31 is connected with clutch, is used to drive clutch.Under the preferable case, described control unit 20 can also comprise the clutch motor-drive circuit, with further control clutch motor 30.
Above-mentioned throttle motor 3 is connected with closure by backguy, is used to drive the folding of closure.Under the preferable case, described control unit 20 can also comprise the throttle motor-drive circuit, with further control throttle motor 32.
Above-mentioned gear motor 33 is connected with shifting gear, is used to drive the rotation of shifting gear.Under the preferable case, described control unit 20 can also comprise the gear motor-drive circuit, with further control gear motor 33.
As shown in Figure 2, first kind of AMT vehicle of the present invention method of carrying out the shift point correction is as follows:
The first step: signal gathering unit 10 is gathered the parameter and export control unit 20 to of travelling of AMT vehicles.
Second step: described control unit 20 judges according to the parameter of travelling of AMT vehicle whether the AMT vehicle reaches shift point, if just entered for the 3rd step; Just return the first step if not.
The 3rd step: whether the time that control unit 20 is being stepped on brake petal according to the output judgement of the brake pedal sensor 12 of signal gathering unit 10 arrives threshold value, just enters for the 4th step if not, if just normal gear shift.
The 4th step: control unit 20 judges that according to the output of the accelerator pedal sensor 13 of signal gathering unit 10 whether the positive variance ratio of gas pedal folding position is greater than first predefined value to emergent oiling, if just control the throttle motor 32 increase throttle openings of described actuator 30 by control unit 20, to increase shifting points, promptly carry out the shift point correction; If not, just entered for the 5th step.
The 5th step: control unit 20 judges that according to the output of the accelerator pedal sensor 13 of signal gathering unit 10 whether the negative variance ratio of gas pedal folding position is greater than subtract second predefined value of oil to meeting an urgent need, if just the throttle motor 32 of controlling described actuator 30 by control unit 20 reduces throttle opening to reduce shifting points, promptly carry out the shift point correction.Just normal if not gear shift.
Above-mentioned closure increases aperture or reduces the occurrence=revised shift point of the coefficient */former shift point of aperture, this coefficient=speed of a motor vehicle/constant C (0＜C＜=100).
Obviously, whether the negative variance ratio that also can judge gas pedal folding position earlier is greater than first predefined value to emergent oiling, and whether the positive variance ratio of judging gas pedal folding position again is greater than subtract second predefined value of oil to meeting an urgent need; Perhaps judge simultaneously.
As shown in Figure 3, second kind of AMT vehicle of the present invention method of carrying out the shift point correction is as follows:
The first step: signal gathering unit 10 is gathered the parameter and export control unit 20 to of travelling of AMT vehicles.
Second step: described control unit 20 judges according to the parameter of travelling of AMT vehicle whether the AMT vehicle reaches shift point, if just entered for the 3rd step; Just return the first step if not.
The 3rd step: after postponing 20ms, entered for the 4th step.
The 4th step: control unit 20 judges that according to the output of the vehicle speed sensor 11 of signal gathering unit 10 the positive variance ratio of the speed of a motor vehicle of AMT vehicle is whether greater than the 3rd predefined value to emergent oiling, if the throttle motor 32 of the described actuator 30 of control unit 20 controls increases throttle opening, to increase shifting points; If not, entered for the 5th step.
The 5th step: control unit 20 control units 20 judge that according to the output of the vehicle speed sensor 11 of signal gathering unit 10 the negative variance ratio of the speed of a motor vehicle of AMT vehicle is whether greater than subtracting the 4th oily predefined value to emergent, if, the throttle motor 32 of the described actuator 30 of described control unit 20 controls reduces throttle opening, to reduce shifting points.
Obviously, whether the negative variance ratio of the speed of a motor vehicle that also can judge the AMT vehicle earlier greater than to emergent the 4th predefined value that subtracts oil, and whether the positive variance ratio of the speed of a motor vehicle of judging the AMT vehicle again is greater than the 3rd predefined value to the oiling of meeting an urgent need; Perhaps judge simultaneously.
Obviously, above-mentioned the 3rd step can omit, and promptly need not postpone 20ms, directly enters for the 4th step.It is as follows to judge in above-mentioned two kinds of methods whether the AMT vehicle reaches the method for shift point:
Control unit 20 is judged according to the engine speed under current gear of AMT vehicle and the current gear, throttle opening, speed of a motor vehicle size, is drawn the shift point under the present case.
The variance ratio of above-mentioned gas pedal folding position is meant the location variation of gas pedal in the unit time, and down during accelerator pedal, the variance ratio of gas pedal folding position is for just, and when unclamping gas pedal, the variance ratio of gas pedal folding position is for bearing.
Above-mentioned shift point is meant speed of a motor vehicle size can be carried out gear-change operation, i.e. the gear shift speed of a motor vehicle for how many times under a certain definite gear, definite throttle opening.Above-mentioned shift point correction is meant under the gear of determining, throttle opening, the existing speed of a motor vehicle has reached the shift point standard of original formulation, revises the standard of shift point, the requirement that makes the existing speed of a motor vehicle not reach shift point, thereby do not carry out gear-change operation, i.e. the correction of the gear shift speed of a motor vehicle.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, just make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the present invention is determined by claims of being submitted to.
Claims (7)
1. the AMT vehicle shifter with shift point debugging functions comprises signal gathering unit (10), control unit (20) and actuator (30); Described signal gathering unit (10) is used to gather the parameter and export described control unit (20) to of travelling of described AMT vehicle; Described control unit (20) is used for judging according to the parameter of travelling whether described AMT vehicle is in anxious refuel or urgency subtracts oil condition and controls described actuator (30) when being and carry out the shift point correction being judged as after the AMT vehicle reaches shift point; It is characterized in that: described signal gathering unit (10) comprises brake pedal sensor (12) and accelerator pedal sensor (13), the described parameter of travelling comprises brake petal folding parameter and gas pedal folding location parameter, and described control unit (20) can judge whether the AMT vehicle is in anxious the oiling or the anxious oil condition that subtracts according to current brake petal folding parameter and gas pedal folding position rate.
2. the AMT vehicle shifter with shift point debugging functions as claimed in claim 1 is characterized in that:
Described signal gathering unit (10) comprises vehicle speed sensor (11), gear position sensor (15), throttle sensor (14), the described parameter of travelling comprises current vehicle speed, current gear, current throttle opening parameter, and described control unit (20) can be judged the AMT vehicle according to current vehicle speed, current gear, the current throttle opening parameter of input in it and whether reach shift point and judge according to vehicle speed variation rate whether the AMT vehicle is in anxious refuel or urgency subtracts oil condition.
3. the AMT vehicle shifter with shift point debugging functions as claimed in claim 1 or 2 is characterized in that:
Described control unit (20) comprises signal receiving module (21), received signal puocessing module (22), the control signal output module (23) that links to each other successively, described signal receiving module (21) receives the output signal of described signal gathering unit (10), and described control signal output module (23) is controlled described actuator (30).
4. the AMT vehicle shifter with shift point debugging functions as claimed in claim 3 is characterized in that:
Described actuator (30) comprises the throttle motor of regulating throttle opening.
5. the AMT vehicle shifter with shift point debugging functions as claimed in claim 4 is characterized in that:
Described actuator (30) also comprises the clutch motor (31) that drives clutch and the gear motor (33) of regulation stall.
6. the method that the AMT vehicle carries out the shift point correction comprises the steps:
A. signal gathering unit (10) is gathered the parameter and export control unit (20) to of travelling of AMT vehicle;
B. described control unit (20) judges according to the parameter of travelling of AMT vehicle whether the AMT vehicle reaches shift point, if just judge according to the described parameter of travelling whether the AMT vehicle is in anxious the oiling or the anxious oil condition that subtracts, if described control unit (20) carries out the shift point correction with regard to control executing mechanism (30);
It is characterized in that: the described AMT of judgement vehicle whether be in anxious refuel or the anxious method that subtracts oil condition as follows:
B1. judge whether the time stepping on brake petal arrive threshold value, just enter step B2 if not;
B2. the positive variance ratio of judging gas pedal folding position whether greater than to the negative variance ratio of emergent first predefined value that refuels and gas pedal folding position whether greater than to emergent second predefined value that subtracts oil, if the positive variance ratio of gas pedal folding position just shows that greater than first predefined value AMT vehicle is in anxious fueling state, if the negative variance ratio of gas pedal folding position just shows that greater than second predefined value AMT vehicle is in the anxious oil condition that subtracts;
When under anxious oiling situation, the throttle motor (32) that described control unit (20) is controlled described actuator (30) increases throttle opening; When subtracting under the oily situation anxious, the throttle motor (32) that described control unit (20) is controlled described actuator (30) reduces throttle opening.
7. the method that the AMT vehicle carries out the shift point correction comprises the steps:
A. signal gathering unit (10) is gathered the parameter and export control unit (20) to of travelling of AMT vehicle;
B. described control unit (20) judges according to the parameter of travelling of AMT vehicle whether the AMT vehicle reaches shift point, if just judge according to the described parameter of travelling whether the AMT vehicle is in anxious the oiling or the anxious oil condition that subtracts, if described control unit (20) carries out the shift point correction with regard to control executing mechanism (30);
It is characterized in that: the described AMT of judgement vehicle whether be in anxious refuel or the anxious method that subtracts oil condition as follows:
Judge the AMT vehicle the speed of a motor vehicle positive variance ratio whether greater than to the negative variance ratio of emergent the 3rd predefined value that refuels and the speed of a motor vehicle whether greater than to emergent the 4th predefined value that subtracts oil, if the positive variance ratio of the speed of a motor vehicle just shows that greater than the 3rd predefined value the AMT vehicle is in anxious fueling state, if the negative variance ratio of the speed of a motor vehicle just shows that greater than the 4th predefined value the AMT vehicle is in the anxious oil condition that subtracts;
When under anxious oiling situation, the throttle motor (32) that described control unit (20) is controlled described actuator (30) increases throttle opening; When subtracting under the oily situation anxious, the throttle motor (32) that described control unit (20) is controlled described actuator (30) reduces throttle opening.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006101576220A CN101201101B (en) | 2006-12-14 | 2006-12-14 | AMT vehicle gear-shift mechanism with shift point correcting function and correcting method thereof |
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| CN2006101576220A CN101201101B (en) | 2006-12-14 | 2006-12-14 | AMT vehicle gear-shift mechanism with shift point correcting function and correcting method thereof |
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| CN101201101A CN101201101A (en) | 2008-06-18 |
| CN101201101B true CN101201101B (en) | 2011-09-28 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5071422B2 (en) * | 2009-03-25 | 2012-11-14 | トヨタ自動車株式会社 | Vehicle shift control device |
| CN101985976A (en) * | 2010-07-23 | 2011-03-16 | 浙江吉利汽车研究院有限公司 | Automobile auxiliary gearshift control system and control method |
| CN102141141A (en) * | 2011-01-28 | 2011-08-03 | 重庆长安汽车股份有限公司 | Method for controlling crawling function of AMT (Advanced Manufacturing Technology) transmission |
| CN102207194A (en) * | 2011-03-21 | 2011-10-05 | 重庆长安汽车股份有限公司 | Method for controlling AMT (automatic transmission) clutch brake |
| CN105083001A (en) * | 2015-09-16 | 2015-11-25 | 丹阳兴隆车辆部件有限公司 | Gear shifting prompting device based on self-correction gear shifting point |
| CN106763721A (en) * | 2016-11-29 | 2017-05-31 | 广州汽车集团股份有限公司 | A kind of vehicle automatic speed variator shift control method and device |
| CN106627562A (en) * | 2016-12-28 | 2017-05-10 | 滁州品之达电器科技有限公司 | Electrically controlled mechanical automatic transmission method |
| CN108177646A (en) * | 2017-12-18 | 2018-06-19 | 东南大学 | A kind of internal combustion engine vehicle motor aided gear shifting systems and its control method |
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| CN1113470A (en) * | 1994-04-12 | 1995-12-20 | 易通公司 | Adaptive shift control method/system |
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| US4044634A (en) * | 1973-07-27 | 1977-08-30 | Daimler-Benz Aktiengesellschaft | Installation for automatic shifting of change-speed gears |
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