CN105083001A - Gear shifting prompting device based on self-correction gear shifting point - Google Patents
Gear shifting prompting device based on self-correction gear shifting point Download PDFInfo
- Publication number
- CN105083001A CN105083001A CN201510585797.0A CN201510585797A CN105083001A CN 105083001 A CN105083001 A CN 105083001A CN 201510585797 A CN201510585797 A CN 201510585797A CN 105083001 A CN105083001 A CN 105083001A
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- Prior art keywords
- gearshift
- vehicle
- shifting points
- correction
- gear shifting
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- 239000000446 fuel Substances 0.000 claims abstract description 25
- 238000004092 self-diagnosis Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000001052 transient effect Effects 0.000 claims description 2
- 230000001755 vocal effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000004458 analytical method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K20/00—Arrangement or mounting of change-speed gearing control devices in vehicles
- B60K20/02—Arrangement or mounting of change-speed gearing control devices in vehicles of initiating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q5/00—Arrangement or adaptation of acoustic signal devices
- B60Q5/005—Arrangement or adaptation of acoustic signal devices automatically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/84—Data processing systems or methods, management, administration
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses a gear shifting prompting device based on a self-correction gear shifting point. The gear shifting prompting device comprises a power module, a data acquisition module, a memorizer, a debugging and calibrating module, a single-chip microcomputer and a gear shifting prompting module. By means of the gear shifting prompting device, the optimal gear for current driving of a vehicle can be obtained by analyzing current power data of the vehicle, the required data come from an on-board diagnostics (OBD) system, no external sensor is needed, and the manufacturing cost is low. Meanwhile, the current gear shifting point can be corrected according to requirements, it can be ensured that the vehicle runs at the optimal gear, a driver is prompted to conduct gear shifting at the optimal gear shifting point, the running cost of the vehicle can be reduced, the fuel economy of the whole vehicle is improved, and due to the fact that the gear shifting reasonability is ensured, the service life of an engine and the whole vehicle can be prolonged.
Description
Technical field
The present invention relates to a kind of carried on vehicle self-diagnosis technology, particularly a kind of gearshift suggestion device based on vehicle-mounted self-diagnosis system OBD and control method thereof.
Background technology
Vehicle-mounted self-diagnosis system, English name is On-BoardDiagnostic, and english abbreviation is OBD, is a kind of program of automatic diagnosis vehicle failure.Once system malfunctions, then light not under command light MIL, need storage failure code and freeze frame simultaneously.
Some hand-operated transmission automobiles that are external and auto-joint venture also all have gearshift prompt facility, but are generally all integrated in instrument carrier panel; And schedule is also based on biparametric schedule, correction of cannot shifting gears in real time.
Summary of the invention
The object of the invention is the problems referred to above that will solve prior art existence, a kind of gearshift suggestion device based on vehicle-mounted self-diagnosis system OBD is provided, this device by obtaining best gear during vehicle current driving to the analysis of vehicle current power data, can also can be revised current shifting points according to the fuel consumption before and after driver intention and gearshift simultaneously.
Can the gearshift suggestion device of self-correction shifting points, it is characterized in that: comprise power module;
Data acquisition module, for comprising the vehicle parameters such as the speed of a motor vehicle, engine speed, rate of load condensate by the collection of automobile self-diagnosable system OBD interface;
Memory device, for storing shifting points;
Debugging and demarcating module, adopt CAN communication agreement and upper computer to carry out alternately, realize demarcation and debug function: 1. calibrating function: input car load basic specification and the two-parameter initial shift figure based on accelerator open degree and the speed of a motor vehicle; 2. debug function: export diagnostic code and require to export sampled data according to upper computer.
Micro controller system, according to the best gear of the calculated signals of Real-time Collection, and revises shifting points;
Gearshift reminding module, shows best gear information by Voice & Video, the gearshift of prompting chaufeur.
Gearshift self-correction module: realized by the core algorithm in the intrinsic program of Single Chip Microcomputer (SCM) system, comprise the gearshift correction based on driver intention and the gearshift correction based on optimum fuel economy: 1. based on the gearshift correction of driver intention: quantize driver intention according to rate of load condensate, according to driver intention correction initial shift figure, the economy making shifting points meet chaufeur is driven or Pilotage en Force intention.2. based on the gearshift correction of optimum fuel economy: pass judgment on according to the transient fuel consumption before and after gearshift the fuel economy whether shifting points improves automobile, if not, revise.
Based on a gearshift suggestion device of vehicle-mounted self-diagnosis system OBD, it is characterized in that: described communication module adopts ELM327 chip, and communication interface is RS232 interface.
A kind of gearshift suggestion device based on vehicle-mounted self-diagnosis system OBD, it is characterized in that: described micro controller system, power module, memory device and be integrated on one block of micro controller system plate, and be fixed in the housing of described display translation equipment, the housing of described display translation equipment is furnished with the multiple interfaces be connected with communication module, display translation equipment and power supply respectively.
Based on a gearshift suggestion device of vehicle-mounted self-diagnosis system OBD, it is characterized in that: be provided with verbal cue module and read-out, be prompted to chaufeur in the mode of vision display and voice respectively.
Based on a control method for the gearshift suggestion device of vehicle-mounted self-diagnosis system OBD, it is characterized in that, quantize driver intention according to rate of load condensate, according to the driver intention correction shifting points quantized, comprise step as follows:
1) first load of engine of automobile rate is obtained by automobile OBD interface;
2) driver intention factor beta is quantized by micro controller system; Driver intention factor beta adopts rate of load condensate to weigh, and β span is 0 ~ 1;
3) judge whether 0 < β < 1 sets up, if set up, continue execution the 5th) step; Otherwise continue to judge whether β=0, if β=0, then enter economic model; If β=1, then enter dynamic mode;
4) current shift U is determined;
5) calculate best shifting points V according to comprehensive factor β, and determine best shift-up point and best downshift point;
Wherein: v
drepresent the best power performance shifting points speed of a motor vehicle;
V
jrepresent the best economy shifting points speed of a motor vehicle;
6) best gear B is determined: namely judge whether current vehicle speed is greater than the best shift-up point speed of a motor vehicle, if so, then best gear B=U+1; If not, then continue to judge whether current vehicle speed is less than the best downshift point speed of a motor vehicle; If so, then best gear B=U-1; If not, then best gear B equals current shift U; And by the best gear of display translation device prompts chaufeur;
Based on a control method for the gearshift suggestion device of vehicle-mounted self-diagnosis system OBD, it is characterized in that, according to the change correction shifting points of fuel consumption rate before and after gearshift; Comprise step as follows:
1) first automotive engine fuel consumption is obtained by automobile OBD interface;
2) fuel consumption before and after gearshift is compared;
3) if the fuel consumption after gearshift is higher than the fuel consumption before gearshift, then the shifting points speed of a motor vehicle is shifted to an earlier date Δ V, store new shifting points;
4) if the fuel consumption after gearshift is lower than the fuel consumption before gearshift, then the shifting points speed of a motor vehicle is postponed Δ V, store new shifting points.
The invention has the beneficial effects as follows: this device can by obtaining best gear during vehicle current driving to the analysis of vehicle current power data, desired data is from automobile self-diagnosable system OBD system, and without the need to external any sensor, cost of manufacture is low; Can also revise current shifting points according to demand simultaneously, can guarantee that vehicle operating is at best gear, and point out chaufeur to shift gears in best shifting points, vehicle operating cost can be reduced, improve car load fuel economy, and owing to ensure that gearshift reasonableness, the service life of driving engine and car load can be extended.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Claims (6)
1. can the gearshift suggestion device of self-correction shifting points, it is characterized in that: comprise power module;
Data acquisition module, for comprising the vehicle parameters such as the speed of a motor vehicle, engine speed, rate of load condensate by the collection of automobile self-diagnosable system OBD interface;
Memory device, for storing shifting points;
Debugging and demarcating module, adopt CAN communication agreement and upper computer to carry out alternately, realize demarcation and debug function: 1. calibrating function: input car load basic specification and the two-parameter initial shift figure based on accelerator open degree and the speed of a motor vehicle; 2. debug function: export diagnostic code and require to export sampled data according to upper computer.
Micro controller system, according to the best gear of the calculated signals of Real-time Collection, and revises shifting points;
Gearshift reminding module, shows best gear information by Voice & Video, the gearshift of prompting chaufeur.
Gearshift self-correction module: realized by the core algorithm in the intrinsic program of Single Chip Microcomputer (SCM) system, comprise the gearshift correction based on driver intention and the gearshift correction based on optimum fuel economy: 1. based on the gearshift correction of driver intention: quantize driver intention according to rate of load condensate, according to driver intention correction initial shift figure, the economy making shifting points meet chaufeur is driven or Pilotage en Force intention.2. based on the gearshift correction of optimum fuel economy: pass judgment on according to the transient fuel consumption before and after gearshift the fuel economy whether shifting points improves automobile, if not, revise.
2. a kind of gearshift suggestion device based on vehicle-mounted self-diagnosis system OBD according to claim 1, is characterized in that: described communication module adopts ELM327 chip, and communication interface is RS232 interface.
3. a kind of gearshift suggestion device based on vehicle-mounted self-diagnosis system OBD according to claim 1, it is characterized in that: described micro controller system, power module, memory device and be integrated on one block of micro controller system plate, and be fixed in the housing of described display translation equipment, the housing of described display translation equipment is furnished with the multiple interfaces be connected with communication module, display translation equipment and power supply respectively.
4. a kind of gearshift suggestion device based on vehicle-mounted self-diagnosis system OBD according to claim 1 and 2, is characterized in that: be provided with verbal cue module and read-out, is prompted to chaufeur respectively in the mode of vision display and voice.
5. based on a control method for the gearshift suggestion device of vehicle-mounted self-diagnosis system OBD, it is characterized in that, quantize driver intention according to rate of load condensate, according to the driver intention correction shifting points quantized, comprise step as follows:
1) first load of engine of automobile rate is obtained by automobile OBD interface;
2) driver intention factor beta is quantized by micro controller system; Driver intention factor beta adopts rate of load condensate to weigh, and β span is 0 ~ 1;
3) judge whether 0 < β < 1 sets up, if set up, continue execution the 5th) step; Otherwise continue to judge whether β=0, if β=0, then enter economic model; If β=1, then enter dynamic mode;
4) current shift U is determined;
5) calculate best shifting points V according to comprehensive factor β, and determine best shift-up point and best downshift point;
Wherein: v
drepresent the best power performance shifting points speed of a motor vehicle;
V
jrepresent the best economy shifting points speed of a motor vehicle;
6) best gear B is determined: namely judge whether current vehicle speed is greater than the best shift-up point speed of a motor vehicle, if so, then best gear B=U+1; If not, then continue to judge whether current vehicle speed is less than the best downshift point speed of a motor vehicle; If so, then best gear B=U-1; If not, then best gear B equals current shift U; And by the best gear of display translation device prompts chaufeur.
6. based on a control method for the gearshift suggestion device of vehicle-mounted self-diagnosis system OBD, it is characterized in that, according to the change correction shifting points of fuel consumption rate before and after gearshift; Comprise step as follows:
1) first automotive engine fuel consumption is obtained by automobile OBD interface;
2) fuel consumption before and after gearshift is compared;
3) if the fuel consumption after gearshift is higher than the fuel consumption before gearshift, then the shifting points speed of a motor vehicle is shifted to an earlier date Δ V, store new shifting points;
4) if the fuel consumption after gearshift is lower than the fuel consumption before gearshift, then the shifting points speed of a motor vehicle is postponed Δ V, store new shifting points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510585797.0A CN105083001A (en) | 2015-09-16 | 2015-09-16 | Gear shifting prompting device based on self-correction gear shifting point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510585797.0A CN105083001A (en) | 2015-09-16 | 2015-09-16 | Gear shifting prompting device based on self-correction gear shifting point |
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| Publication Number | Publication Date |
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| CN105083001A true CN105083001A (en) | 2015-11-25 |
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ID=54564656
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510585797.0A Pending CN105083001A (en) | 2015-09-16 | 2015-09-16 | Gear shifting prompting device based on self-correction gear shifting point |
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| CN (1) | CN105083001A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224537A (en) * | 2016-09-07 | 2016-12-14 | 中国第汽车股份有限公司 | Adapt to the shift of transmission control method that gear lost efficacy |
| CN107719280A (en) * | 2017-07-14 | 2018-02-23 | 宝沃汽车（中国）有限公司 | Control method, device and the vehicle of vehicle |
| CN109611547A (en) * | 2018-12-12 | 2019-04-12 | 东北林业大学 | A kind of manual-gear vehicle gear identification method based on vehicle-mounted diagnosis interface |
| CN109849666A (en) * | 2019-02-22 | 2019-06-07 | 江苏大学 | A kind of vehicle-mounted auxiliary driving suggestion device and method with adaptation function |
| CN110057574A (en) * | 2018-01-16 | 2019-07-26 | 北汽福田汽车股份有限公司 | Shifting points calibrating platform |
| CN110462263A (en) * | 2017-03-27 | 2019-11-15 | 沃尔沃卡车集团 | Method and apparatus for controlling the gear shift in the vehicle with speed changer |
| CN110735919A (en) * | 2018-07-20 | 2020-01-31 | 郑州宇通客车股份有限公司 | gear shifting prompting method and system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224537A (en) * | 2016-09-07 | 2016-12-14 | 中国第汽车股份有限公司 | Adapt to the shift of transmission control method that gear lost efficacy |
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| CN110462263A (en) * | 2017-03-27 | 2019-11-15 | 沃尔沃卡车集团 | Method and apparatus for controlling the gear shift in the vehicle with speed changer |
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| CN110057574A (en) * | 2018-01-16 | 2019-07-26 | 北汽福田汽车股份有限公司 | Shifting points calibrating platform |
| CN110735919A (en) * | 2018-07-20 | 2020-01-31 | 郑州宇通客车股份有限公司 | gear shifting prompting method and system |
| CN110735919B (en) * | 2018-07-20 | 2021-06-11 | 郑州宇通客车股份有限公司 | Gear shifting prompting method and system |
| CN109611547A (en) * | 2018-12-12 | 2019-04-12 | 东北林业大学 | A kind of manual-gear vehicle gear identification method based on vehicle-mounted diagnosis interface |
| CN109849666A (en) * | 2019-02-22 | 2019-06-07 | 江苏大学 | A kind of vehicle-mounted auxiliary driving suggestion device and method with adaptation function |
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Application publication date: 20151125 |
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