CN101985976A - Automobile auxiliary gearshift control system and control method - Google Patents
Automobile auxiliary gearshift control system and control method Download PDFInfo
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- CN101985976A CN101985976A CN2010102351767A CN201010235176A CN101985976A CN 101985976 A CN101985976 A CN 101985976A CN 2010102351767 A CN2010102351767 A CN 2010102351767A CN 201010235176 A CN201010235176 A CN 201010235176A CN 101985976 A CN101985976 A CN 101985976A
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Abstract
The invention relates to an automobile auxiliary gearshift control system and control method. The automobile auxiliary gearshift control system provided by the invention comprises a central processing unit (CPU) processing module, a vehicle speed sensor (VSS), an engine speed sensor, a gear sensor, a clutch detector switch and an alarm module, wherein the VSS, the engine speed sensor, the gear sensor, the clutch detector switch and the alarm module are connected with the CPU processing module. The automobile auxiliary gearshift control method is as follows: the standard gear is determined in accordance with the engine speed and the vehicle speed and a driver is reminded whether gear adjustment is required; and the driver is reminded of gearshift in time in accordance with revolving speed difference between the engine and a transmission. The automobile auxiliary gearshift control system and control method provided by the invention can assist the driver to shift the gear in time under the proper working condition, thereby improving the gearshift smoothness, reducing the gearshift impact, reducing damages to the engine and the transmission and effectively prolonging the service life; and in addition, the automobile auxiliary gearshift control system and control method provided by the invention can assist the driver to throttle up the engine or brake in time, thus causing the engine speed to be matched with the vehicle speed, avoiding forward running or pause and transition of the automobile, and improving the comfortableness during running.
Description
Technical field
The present invention relates to a kind of manual transmission operation system, relate in particular to and a kind of motor car engine and speed changer are played a protective role and improve the automobile assisted gearshift control system and the controlling method of road-ability.
Background technique
The popularizing of China, increasing people begins study and drives with person's automobile.In the manual shift process, need hold to such an extent that very accurately could realize the smooth-going of gearshift opportunity to gearshift, reduce shift impact.New hand or a new car is unfamiliar with often regular meeting the untimely phenomenon of gearshift occurs causes low speed high-grade or low-grade at a high speed, all is a kind of infringement to motor and speed changer, can reduce its life-span.Perhaps in shift process, the engine speed and the speed of a motor vehicle do not match, and cause the generation of vehicle preshoot or pause and transition in rhythm or melody phenomenon, have had a strong impact on driving comfortability.Manual transmission operation system on the automobile does not generally possess the shift prompting function at present, and the driver carries out gear-change operation entirely by rule of thumb, can't avoid the generation of above-mentioned phenomenon.
Summary of the invention
The present invention mainly solves original manual transmission operation system and does not generally possess the shift prompting function, the driver carries out gear-change operation entirely by rule of thumb, especially usually the untimely phenomenon of shifting gears can appear for new hand, be that low speed is high-grade or low-grade at a high speed, motor and speed changer are caused damage, reduce the technical problem in its life-span; A kind of automobile assisted gearshift control system and controlling method are provided, can remind the driver in time to adjust to normal gear, reach gear shift purpose timely, thereby motor and speed changer are played a protective role, prolong its working life.
The present invention solves original manual transmission operation system simultaneously and exists in engine speed and the unmatched phenomenon of the speed of a motor vehicle in the shift process, causes vehicle preshoot or pause and transition in rhythm or melody, has had a strong impact on the technical problem of driving comfortability; A kind of automobile assisted gearshift control system and controlling method are provided, can remind the driver in time to make open out or brake operating, make the engine speed and the speed of a motor vehicle reach coupling as early as possible, thereby improve the travelling comfort of driving.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: automobile assisted gearshift control system of the present invention, comprise vehicle speed sensor, engine rotation speed sensor, gear position sensor and CPU puocessing module, alarm module, the output terminal of described vehicle speed sensor, engine rotation speed sensor and gear position sensor links to each other with each input end of described CPU puocessing module respectively, and the output terminal of CPU puocessing module links to each other with the input end of described alarm module.The CPU puocessing module is judged the current engage a gear position of answering according to current vehicle speed and present engine rotating speed; and the current gear that will record by gear position sensor and answer the engage a gear position to compare; as inconsistent; CPU puocessing module output control signal is given alarm module, starts and reports to the police, and sends the prompting that upgrades or lower category; remind the driver in time to adjust to normal gear; reach gear shift purpose timely, thereby motor and speed changer are played a protective role, prolong its working life.
As preferably, the clutch pedal of automobile is provided with the clutch detecting switch, and the output terminal of described clutch detecting switch links to each other with the input end of described CPU puocessing module.The CPU puocessing module is obtained the separated state of clutch by the clutch detecting switch, and this is a switching value signal.In gearshift procedure, driver's let slip the clutch changes to new gear, and loose pin then clutch pedal rises, and enters assisted clutch control.
As preferably, described alarm module is located on the combination instrument dish of automobile, and the output terminal of described CPU puocessing module links to each other through the input end of combination instrument dish and described alarm module.
As preferably, described alarm module is the acoustooptic alarm module, comprises warning light and alarming horn.Warning reminding adopts acoustooptic alarm, can be warning light bright, go out, glimmer or shows that different colours, alarming horn send different chimes of dooms, the various states that whether gear shift of various warning forms correspondence timely, whether clutch separates and whether the speed of a motor vehicle and rotating speed mate.
Automobile assisted gearshift controlling method of the present invention comprises the steps:
A. detect current vehicle speed and flow to described CPU puocessing module by described vehicle speed sensor, detect the present engine rotating speed and flow to described CPU puocessing module by engine rotation speed sensor, the current engage a gear position of answering is judged in the analysis and the processing of the internal processes of process CPU puocessing module;
B. detect current automobile gear and flow to described CPU puocessing module by described gear position sensor, the CPU puocessing module is compared current automobile gear and the described engage a gear position of answering, if both unanimities, then get back to step a, if both are inconsistent, then CPU puocessing module output control signal is given described alarm module, starts and reports to the police, and sends the prompting that upgrades or lower category.
As preferably, also comprise step c: after described alarm module sends the prompting that upgrades or lower category, described CPU puocessing module is obtained the separated state of current automobile clutch by described clutch detecting switch, if clutch is separated state not, then get back to step a, if clutch is a separated state, then the CPU puocessing module need judge whether the present engine rotating speed and the speed of a motor vehicle mate, if both do not match, then the CPU puocessing module is sent control signal and is reminded driver's open out or braking to alarm module, and continuation detects the separated state of clutch, if both couplings, then the CPU puocessing module is sent control signal to the combination of alarm module prompting clutch normally, gets back to step a.
As preferably, described CPU puocessing module internal memory contains Vehicular shift MAP two dimension gear table, this two dimension gear table is according to the maximin of the speed of a motor vehicle and the engine speed of car load, the operation interval of automobile is divided into some gears interval, be which speed of a motor vehicle, which engine speed gear interval corresponding to certain standard, the gear interval of this standard is exactly to answer the engage a gear position described in step a, the step b.
The invention has the beneficial effects as follows: can help the beginner or be unfamiliar with the gear shift driver on opportunity, in time shift gears in suitable operating mode, in shift process, improve smooth gear shifting greatly, reduce shift impact, reduce the injury that should untimely gearshift motor and speed changer be caused, effectively prolong the working life of motor and speed changer.Can help timely open out of driver or braking, the engine speed and the speed of a motor vehicle are complementary, avoid vehicle preshoot or pause and transition in rhythm or melody, improve road-ability.
Description of drawings
Fig. 1 is that a kind of circuit of the present invention connects block diagram.
Fig. 2 is a kind of workflow diagram of the present invention.
1. vehicle speed sensor among the figure, 2. engine rotation speed sensor, 3. gear position sensor, 4.CPU puocessing module, 5. alarm module, 6. clutch detecting switch, 7. combination instrument dish, 51. warning lights, 52. alarming horns.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technological scheme of the present invention is described in further detail.
Embodiment: the automobile assisted gearshift control system of present embodiment, as shown in Figure 1, comprise vehicle speed sensor 1, engine rotation speed sensor 2, gear position sensor 3, clutch detecting switch 6 and CPU puocessing module 4, alarm module 5, clutch detecting switch 6 is installed on the clutch pedal of automobile, alarm module 5 is installed on the combination instrument dish 7 of automobile, vehicle speed sensor 1, engine rotation speed sensor 2, the output terminal of gear position sensor 3 and clutch detecting switch 6 links to each other with each input end of CPU puocessing module 4 respectively, and the output terminal of CPU puocessing module 4 links to each other through the input end of combination instrument dish 7 with alarm module 5.Alarm module 5 is the acoustooptic alarm module, and alert device is warning light 51 and alarming horn 52.
Adopt the automobile assisted gearshift controlling method of above-mentioned automobile assisted gearshift control system, comprise the steps:
A. after the vehicle start operation, automobile assisted gearshift control gear is started working, detect current vehicle speed and flow to CPU puocessing module 4 by vehicle speed sensor 1, detect the present engine rotating speed and flow to CPU puocessing module 4 by engine rotation speed sensor 2, CPU puocessing module 4 internal memories contain Vehicular shift MAP two dimension gear table, this two dimension gear table is according to the maximin of the speed of a motor vehicle and the engine speed of car load, the operation interval of automobile is divided into a plurality of gears interval, the analysis and the processing of the internal processes of process CPU puocessing module 4, find out the current engage a gear position of answering (when calculating answers the engage a gear position to be the target gear according to current vehicle speed and present engine rotating speed from Vehicular shift MAP two dimension gear table, adopted certain time-delay algorithm, occurred) to prevent the unsettled gear signal that accidentalia causes;
B. detect current automobile gear and flow to CPU puocessing module 4 by gear position sensor 3, CPU puocessing module 4 is compared current automobile gear and the current engage a gear position of answering, if both unanimities, then get back to step a, if both are inconsistent, then CPU puocessing module 4 output control signals are given alarm module 5, start acoustooptic alarm, send the prompting that upgrades or lower category;
C:CPU puocessing module 4 is obtained the separated state of current automobile clutch by clutch detecting switch 6, if clutch is separated state not, then get back to step a, if clutch is a separated state, then CPU puocessing module 4 needs to judge whether the present engine rotating speed and the speed of a motor vehicle mate, if both do not match, then CPU puocessing module 4 is sent control signal and is reminded driver's open out or brakings to alarm module 5, and continuation detects the separated state of clutch, promptly get back to step c beginning, if both couplings, then CPU puocessing module 4 is sent control signal and is given alarm module 5 prompting clutches combinations normally, gets back to step a.
Make the engine speed and the speed of a motor vehicle mate this part, both can adopt manual mode also can adopt automated manner.Manual mode is exactly to change engine speed and vehicle speed by the pilot control vehicle among the step c; Automated manner can send to the demand order to both relevant actuator and adjust automatically.
Claims (7)
1. automobile assisted gearshift control system, it is characterized in that comprising vehicle speed sensor (1), engine rotation speed sensor (2), gear position sensor (3) and CPU puocessing module (4), alarm module (5), the output terminal of described vehicle speed sensor (1), engine rotation speed sensor (2) and gear position sensor (3) links to each other with each input end of described CPU puocessing module (4) respectively, and the output terminal of CPU puocessing module (4) links to each other with the input end of described alarm module (5).
2. automobile assisted gearshift control system according to claim 1, the clutch pedal that it is characterized in that automobile is provided with clutch detecting switch (6), and the output terminal of described clutch detecting switch (6) links to each other with the input end of described CPU puocessing module (4).
3. automobile assisted gearshift control system according to claim 1, it is characterized in that described alarm module (5) is located on the combination instrument dish (7) of automobile, the output terminal of described CPU puocessing module (4) links to each other through the input end of combination instrument dish (7) with described alarm module (5).
4. according to claim 1 or 3 described automobile assisted gearshift control system, it is characterized in that described alarm module (5) is the acoustooptic alarm module, comprises warning light (51) and alarming horn (52).
5. an automobile assisted gearshift controlling method of using automobile assisted gearshift control system as claimed in claim 1 is characterized in that comprising the steps:
A. detect current vehicle speed and flow to described CPU puocessing module (4) by described vehicle speed sensor (1), detect the present engine rotating speed and flow to described CPU puocessing module (4) by described engine rotation speed sensor (2), the current engage a gear position of answering is judged in the analysis and the processing of the internal processes of process CPU puocessing module (4);
B. detect current automobile gear and flow to described CPU puocessing module (4) by described gear position sensor (3), CPU puocessing module (4) is compared current automobile gear and the described engage a gear position of answering, if both unanimities, then get back to step a, if both are inconsistent, then CPU puocessing module (4) output control signal is given described alarm module (5), starts and reports to the police, and sends the prompting that upgrades or lower category.
6. automobile assisted gearshift controlling method according to claim 5, it is characterized in that also comprising step c: after described alarm module (5) sends the prompting that upgrades or lower category, described CPU puocessing module (4) is obtained the separated state of current automobile clutch by described clutch detecting switch (6), if clutch is separated state not, then get back to step a, if clutch is a separated state, then CPU puocessing module (4) needs to judge whether the present engine rotating speed and the speed of a motor vehicle mate, if both do not match, then CPU puocessing module (4) is sent control signal and is given alarm module (5) prompting driver's open out or braking, and continuation detects the separated state of clutch, if both couplings, then CPU puocessing module (4) is sent control signal and is given the combination of alarm module (5) prompting clutch normally, gets back to step a.
7. automobile assisted gearshift controlling method according to claim 5, it is characterized in that described CPU puocessing module (4) internal memory contains Vehicular shift MAP two dimension gear table, this two dimension gear table is according to the maximin of the speed of a motor vehicle and the engine speed of car load, the operation interval of automobile is divided into some gears interval, be which speed of a motor vehicle, which engine speed gear interval corresponding to certain standard, the gear interval of this standard is exactly to answer the engage a gear position described in step a, the step b.
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| CN2010102351767A CN101985976A (en) | 2010-07-23 | 2010-07-23 | Automobile auxiliary gearshift control system and control method |
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| CN102182822A (en) * | 2011-04-21 | 2011-09-14 | 潍柴动力股份有限公司 | Gear shift prompting equipment and method |
| CN102494126A (en) * | 2011-12-13 | 2012-06-13 | 三一重工股份有限公司 | Monitoring method for gear shift process and system |
| CN102700461A (en) * | 2012-05-25 | 2012-10-03 | 东南（福建）汽车工业有限公司 | Audible and visual alarm method of full electric vehicle when driver leaves position |
| CN102834635A (en) * | 2011-04-15 | 2012-12-19 | 丰田自动车株式会社 | Shift determination device for manual transmission |
| CN103122991A (en) * | 2012-12-24 | 2013-05-29 | 绵阳新晨动力机械有限公司 | Automobile automatic transmission two-gear control system |
| CN103253269A (en) * | 2013-02-21 | 2013-08-21 | 浙江吉利汽车研究院有限公司杭州分公司 | Smooth shift control method and control device |
| CN103273876A (en) * | 2013-05-03 | 2013-09-04 | 三一汽车制造有限公司 | Vehicle fault detecting device, agitating lorry and method |
| CN103527773A (en) * | 2013-10-29 | 2014-01-22 | 浙江吉利控股集团有限公司 | Method and device for controlling failure of input shaft speed sensor in automotive AMT (automated mechanical transmission) |
| CN103591278A (en) * | 2012-08-17 | 2014-02-19 | 比亚迪股份有限公司 | Automobile gear shift prompt system and method |
| CN103994212A (en) * | 2014-05-13 | 2014-08-20 | 陕西法士特齿轮有限责任公司 | System and method for monitoring range gear transmission gear |
| CN104228846A (en) * | 2014-09-03 | 2014-12-24 | 奇瑞汽车股份有限公司 | Gear prompt method and device |
| CN104279317A (en) * | 2014-09-15 | 2015-01-14 | 山东理工大学 | Variable-period downshift process control method of multi-gear wire-controlled automatic gearbox |
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| CN104500724A (en) * | 2014-09-15 | 2015-04-08 | 山东理工大学 | Down-shift process control method of automatic multi-gear linear control speed changer |
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Application publication date: 20110316 |