CN103253270A - Method and device for lightening pause during shifting up - Google Patents
Method and device for lightening pause during shifting up Download PDFInfo
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- CN103253270A CN103253270A CN2013101762629A CN201310176262A CN103253270A CN 103253270 A CN103253270 A CN 103253270A CN 2013101762629 A CN2013101762629 A CN 2013101762629A CN 201310176262 A CN201310176262 A CN 201310176262A CN 103253270 A CN103253270 A CN 103253270A
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Abstract
The invention belongs to the technical field of pause prevention during gear combination, and particularly relates to a method and a device for lightening pause during shifting up. The method comprises the following steps that (1) a controller detects the current gear m and the running speed v when an automobile runs; (2) the controller calculates the required rotating speed n of an engine when the automobile is kept at the running speed v and at the gear m+1; (3) the controller receives separation signals of the engine and a speed changer; (4) the controller controls the rotating speed of the engine at the rotating speed n, and enables the engine to be kept at the rotating speed n for t seconds; (5) a driver engages the gear m+1 or the gear m-1 in t seconds. According to the method and the device for lightening the pause during shifting up, after the driver steps on the clutch, the rotating speed of the engine is controlled at the required rotating speed n of the engine when the automobile put into the gear m+1 is kept at the running speed v. As the rotating speed of the engine is also the rotating speed n at the moment, the rotating speed difference between the rotating speed of the engine and the rotating speed of an intermediate shaft, and the problem of the pause during shifting up is resolved.
Description
Technical field
The invention belongs to prevent gear in conjunction with the time alarm the technical field of car, particularly relate to a kind of method and device of alarmming car when alleviating upshift.
Background technology
Manual automobile gear shift step is generally:
The first step: stepping on clutch, the pine tar door, this moment, automobile entered the idling motoring condition;
Second step: hang required gear;
The 3rd step: be lifted away from and close, refuel.
The car phenomenon is alarmmed in the ubiquity gear shift in various degree when upgrading of hand-operated transmission vehicle, this towering car be since when upgrading power-transfer clutch cause in conjunction with the driving engine of front and back and the speed discrepancy of tween drive shaft.
This towering car has influenced car load driving traveling comfort, has reduced the car load riding quality.
Summary of the invention
The purpose of the embodiment of the invention provides a kind of method and device of alarmming car when alleviating upshift, solves the towering car problem when upgrading.
To achieve these goals, the invention provides following technical scheme:
A kind of method of alarmming car when alleviating upshift, this method comprises the steps:
Step 1: when controller detects running car at engage a gear position m and the speed of a motor vehicle v that is expert at;
Step 2: controller calculating automobile when gear m+1 remains on the rotation speed n of the required driving engine of the fast v of driving;
Step 3: controller receives driving engine and change-speed box separation signal;
Step 4: controller is controlled to be rotation speed n with the rotating speed of driving engine, and driving engine is kept the time t second of described rotation speed n;
Step 5: described t in second chaufeur hang into gear m+1 or gear m-1.
Preferably, in step 5, surpass described t second control control driving engine and enter the idling motoring condition.
Preferably, described controller is engine management system.
Preferably, to remain on the rotating speed of driving fast v required driving engine be rotating speed w to automobile when gear m-1, and the engine speed of automobile when idling is travelled is rotating speed y;
The difference of described rotating speed w and rotation speed n is poor less than rotating speed w and rotating speed y's.
The present invention also provides a kind of device of alarmming car when alleviating upshift, and this device comprises as lower unit:
Detecting unit: when detecting running car at engage a gear position m and the speed of a motor vehicle v that is expert at;
Calculating unit: calculating automobile when gear m+1 remains on the rotation speed n of the required driving engine of the fast v of driving;
Receiving element: receive driving engine and change-speed box separation signal;
Control unit: the rotating speed of driving engine is controlled to be rotation speed n, and driving engine is kept the time t second of described rotation speed n.
There is following technique effect at least in the embodiment of the invention:
1) the present invention steps on the rotation speed n that engine speed control automobile when the gear m+1 after the clutch remains on the required driving engine of the fast v of driving with chaufeur; When hang gear m+1 because the induced effect of the change-speed box of speed of a motor vehicle v of being expert at, this moment, the rotating speed of tween drive shaft was rotation speed n, because this moment, the rotating speed of driving engine was rotation speed n also, thereby had reduced the speed discrepancy of engine speed and tween drive shaft rotating speed, had solved the towering car problem when upgrading.
2) the present invention steps on the rotation speed n that engine speed control automobile when the gear m+1 after the clutch keeps the required driving engine of speed v with chaufeur; Because the induced effect of the change-speed box of speed of a motor vehicle v of being expert at, this moment, the rotating speed of tween drive shaft was rotating speed w when hang gear m-1 because gear m-1 is less than gear m+1, so this moment rotating speed w greater than rotation speed n;
If the difference of rotating speed w and rotation speed n is poor less than rotating speed w and rotating speed y's, then the present invention also can slow down the towering car problem when lowering category.
Description of drawings
Fig. 1 transmits the scheme drawing of engine power for change-speed box;
Fig. 2 carries out the flow chart of steps of gear shift operation when being in engage a gear position m for the inventive method embodiment;
Fig. 3 carries out the flow chart of steps of gear shift operation when gear n for the inventive method embodiment;
Fig. 4 carries out the flow chart of steps of gear shift operation in the time of five grades for the inventive method embodiment;
Number in the figure is as follows:
The 100-shifter bar;
The 201-axle collar, the 202-selector fork;
The 300-power input shaft;
The 400-power take-off shaft;
The 500-tween drive shaft;
The 601-driving gear, the 602-driven gear;
The 700-drive wheel.
Identical label is indicated similar or corresponding feature or function in institute's drawings attached
The specific embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, below in conjunction with accompanying drawing specific embodiment is described in detail.
As shown in Figure 1, shifter bar 100 drives selector fork 202 and the axle collar 201 side-to-side movements, and the axle collar 201 is engaged with a driven gear 602; Like this, the power that driving engine provides passes to power take-off shaft 400 through power input shaft 300, driving gear 601, driven gear 602 successively, and power take-off shaft 400 is given the diff (not shown) with transmission of power.Described driving gear 601 is captiveed joint with tween drive shaft 500, and drive wheel 700 is captiveed joint with power input shaft 300.
A kind of method of alarmming car when alleviating upshift that the embodiment of the invention provides, this method comprises the steps:
Step 1: when controller detects running car at engage a gear position m and the speed of a motor vehicle v that is expert at;
Step 2: controller calculating automobile when gear m+1 remains on the rotation speed n of the required driving engine of the fast v of driving;
Step 3: controller receives driving engine and change-speed box separation signal;
Step 4: controller is controlled to be rotation speed n with the rotating speed of driving engine, and driving engine is kept the time t second of described rotation speed n;
Step 5: described t in second chaufeur hang into gear m+1 or gear m-1.The present invention steps on the rotation speed n that engine speed control automobile when the gear m+1 after the clutch remains on the required driving engine of the fast v of driving with chaufeur; When hang gear m+1 because the induced effect of the change-speed box of speed of a motor vehicle v of being expert at, this moment, the rotating speed of tween drive shaft was rotation speed n, because this moment, the rotating speed of driving engine was rotation speed n also, thereby had reduced the speed discrepancy of engine speed and tween drive shaft rotating speed, had solved the towering car problem when upgrading.
Concrete, see also Fig. 2 and Fig. 3.In Fig. 2 and Fig. 3, m is non-the most high-grade in the engage a gear position, and gear n is for the most high-grade." new current gear " can be neutral gear described in Fig. 3, also can be gear n-1.
As a kind of preferred version, in the described step 5 of present embodiment, surpass described t second control control driving engine and enter the idling motoring condition.
Fig. 4 carries out the flow chart of steps of gear shift operation in the time of five grades for the inventive method embodiment.In Fig. 4, time t second is 2 seconds, and in other embodiments, t can be arranged according to needs.
Suppose:
The speed of a motor vehicle of being expert at v is 60kph;
For keeping the above-mentioned speed of a motor vehicle v that is expert at, driving engine is as follows at the rotating speed of different gears:
Second gear: 4000 change;
Third gear: 3500 change;
Fourth gear: 3000 change;
Five grades: 2600 change;
Six grades: 2000 change;
Rotating speed y was 800 commentaries on classics when idling was travelled.
As shown in Figure 4, be five grades at engage a gear position m, the rotating speed 2000 when then rotation speed n is six grades changes; Rotating speed 3000 when then rotating speed w is fourth gear changes.
As shown in Figure 4, when controller detects running car is five grades at engage a gear position m, and the speed of a motor vehicle of being expert at v is 60kph; Controller calculates when gear six automobile, and to remain on the fast v of driving be that the rotation speed n of the required driving engine of 60kph is 2000 to change; Behind the chaufeur stepping on clutch, controller receives driving engine and change-speed box separation signal; Controller is controlled to be 2000 commentaries on classics with the rotating speed of driving engine, and 2000 rotating speeds that change were kept 2 seconds; Chaufeur is hung into six grades of gears or gear fourth gear in 2 seconds, makes a concrete analysis of as follows:
Be upgraded to six grades: if be upgraded to six grades with prior art control automobile, then the rotating speed 800 of stepping on clutch pine tar when engine speed is reduced to idling and travelled behind the door changes, and the rotating speed 2000 when tween drive shaft 500 rotating speeds are six grades changes, and differing 1200 changes; If be upgraded to six grades with the inventive method control automobile, the rotating speed 2000 when then engine speed is six grades changes, and the tween drive shaft rotating speed is 2000 commentaries on classics, and differing 0 changes, and alarms the car problem when upgrading thereby eliminated;
Reduce to fourth gear: if reduce to fourth gear with prior art control automobile, then the rotating speed 800 of stepping on clutch pine tar when engine speed is reduced to idling and travelled behind the door changes, and the rotating speed 3000 when tween drive shaft 500 rotating speeds are fourth gear changes, and differing 2200 changes; If controlling automobile with the present invention reduces to fourth gear, the rotating speed 2000 when then engine speed is six grades changes, and the rotating speed 3000 when the tween drive shaft rotating speed is fourth gear changes, and differing 1000 changes, and can slow down the towering car problem when lowering category equally.
As a kind of preferred version, controller of the present invention is engine management system EMS.EMS is according to the input data of each road sensor, calculate the degrees of ignition advance of driving engine when that mixes of required air and fuel oil, again in conjunction with corresponding control method, directly the fuel supply volume of control driving engine under various operating modes, fuel oil injection timing, high tension ignition timing etc. realize that different engine speeds, engine torque are exported and other accessory system mode of operation.
In addition, as seen from Figure 1, the present invention selects to control the speed discrepancy that engine speed is eliminated driving engine and tween drive shaft, be owing to shifter bar 100, the axle collar 201, selector fork 202, power input shaft 300, power take-off shaft 400, tween drive shaft 500, driving gear 601, driven gear 602 are pure mechanical parts, can't accurately control it.
The present invention also provides a kind of device of alarmming car when alleviating upshift, and this device comprises as lower unit:
Detecting unit: when detecting running car at engage a gear position m and the speed of a motor vehicle v that is expert at;
Calculating unit: calculating automobile when gear m+1 remains on the rotation speed n of the required driving engine of the fast v of driving;
Receiving element: receive driving engine and change-speed box separation signal;
Control unit: the rotating speed of driving engine is controlled to be rotation speed n, and driving engine is kept the time t second of described rotation speed n.
Above-mentioned detecting unit, calculating unit, receiving element and control unit all are integrated in the described controller, namely in the described engine management system of present embodiment.
As from the foregoing, the embodiment of the invention has following advantage:
1) the present invention steps on the rotation speed n that engine speed control automobile when the gear m+1 after the clutch remains on the required driving engine of the fast v of driving with chaufeur; When hang gear m+1 because the induced effect of the change-speed box of speed of a motor vehicle v of being expert at, this moment, the rotating speed of tween drive shaft was rotation speed n, because this moment, the rotating speed of driving engine was rotation speed n also, thereby had reduced the speed discrepancy of engine speed and tween drive shaft rotating speed, had solved the towering car problem when upgrading.That is, in advance driving engine is stabilized in rotating speed of target, makes gear in conjunction with more smooth-going, effectively improved the traveling comfort of gear shift.
2) the present invention steps on the rotation speed n that engine speed control automobile when the gear m+1 after the clutch keeps the required driving engine of speed v with chaufeur; Because the induced effect of the change-speed box of speed of a motor vehicle v of being expert at, this moment, the rotating speed of tween drive shaft was rotating speed w when hang gear m-1 because gear m-1 is less than gear m+1, so this moment rotating speed w greater than rotation speed n;
If the difference of rotating speed w and rotation speed n is poor less than rotating speed w and rotating speed y's, then the present invention also can slow down the towering car problem when lowering category.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. a method of alarmming car when alleviating upshift is characterized in that this method comprises the steps:
Step 1: when controller detects running car at engage a gear position m and the speed of a motor vehicle v that is expert at;
Step 2: controller calculating automobile when gear m+1 remains on the rotation speed n of the required driving engine of the fast v of driving;
Step 3: controller receives driving engine and change-speed box separation signal;
Step 4: controller is controlled to be rotation speed n with the rotating speed of driving engine, and driving engine is kept the time t second of described rotation speed n;
Step 5: described t in second chaufeur hang into gear m+1 or gear m-1.
2. method according to claim 1 is characterized in that:
In step 5, surpass described t second control control driving engine and enter the idling motoring condition.
3. method according to claim 1 is characterized in that:
Described controller is engine management system.
4. method according to claim 1 is characterized in that:
To remain on the rotating speed of driving fast v required driving engine be rotating speed w to automobile when gear m-1, and the engine speed of automobile when idling is travelled is rotating speed y;
The difference of described rotating speed w and rotation speed n is poor less than rotating speed w and rotating speed y's.
5. device of alarmming car when alleviating upshift is characterized in that this device comprises as lower unit:
Detecting unit: when detecting running car at engage a gear position m and the speed of a motor vehicle v that is expert at;
Calculating unit: calculating automobile when gear m+1 remains on the rotation speed n of the required driving engine of the fast v of driving;
Receiving element: receive driving engine and change-speed box separation signal;
Control unit: the rotating speed of driving engine is controlled to be rotation speed n, and driving engine is kept the time t second of described rotation speed n.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310176262.9A CN103253270B (en) | 2013-05-10 | 2013-05-10 | A kind of method and device of alarmming car when alleviating upshift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310176262.9A CN103253270B (en) | 2013-05-10 | 2013-05-10 | A kind of method and device of alarmming car when alleviating upshift |
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| CN103253270A true CN103253270A (en) | 2013-08-21 |
| CN103253270B CN103253270B (en) | 2016-03-30 |
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| CN201310176262.9A Active CN103253270B (en) | 2013-05-10 | 2013-05-10 | A kind of method and device of alarmming car when alleviating upshift |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943887A (en) * | 2021-01-29 | 2021-06-11 | 浙江吉利控股集团有限公司 | Vehicle brake control method and device |
| CN113348315A (en) * | 2019-01-17 | 2021-09-03 | 采埃孚股份公司 | Method and control unit for operating a power-shiftable transmission |
| CN114475610A (en) * | 2022-02-21 | 2022-05-13 | 同济大学 | Method, system and computer readable storage medium for determining vehicle shrug phenomenon |
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| US20040185985A1 (en) * | 2003-03-19 | 2004-09-23 | Nissan Motor Co., Ltd. | Automatic shift control apparatus and method for manual transmission |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113348315A (en) * | 2019-01-17 | 2021-09-03 | 采埃孚股份公司 | Method and control unit for operating a power-shiftable transmission |
| CN112943887A (en) * | 2021-01-29 | 2021-06-11 | 浙江吉利控股集团有限公司 | Vehicle brake control method and device |
| CN112943887B (en) * | 2021-01-29 | 2022-07-26 | 浙江吉利控股集团有限公司 | Vehicle brake control method and device |
| CN114475610A (en) * | 2022-02-21 | 2022-05-13 | 同济大学 | Method, system and computer readable storage medium for determining vehicle shrug phenomenon |
| CN114475610B (en) * | 2022-02-21 | 2023-10-20 | 同济大学 | Vehicle shrugging phenomenon determination method, system and computer readable storage medium |
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| Publication number | Publication date |
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| CN103253270B (en) | 2016-03-30 |
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Effective date of registration: 20190328 Address after: 317000 east gate of Taizhou City, Zhejiang Province Co-patentee after: Zhejiang Geely Holding Group Co., Ltd. Patentee after: Zhejiang Geely Automobile Research Institute Co., Ltd. Address before: 311228 No. 206 Farmer's Second House in Linjiang Industrial Park, Xiaoshan District, Hangzhou City, Zhejiang Province Co-patentee before: Zhejiang Geely Automobile Research Institute Co., Ltd. Patentee before: Hangzhou Branch, Zhejiang Geely Automobile Research Institute Co., Ltd. Co-patentee before: Zhejiang Geely Holding Group Co., Ltd. |