CN103206311A - Engine control method, system and controller based on global positioning system (GPS) - Google Patents
Engine control method, system and controller based on global positioning system (GPS) Download PDFInfo
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- CN103206311A CN103206311A CN 201310140580 CN201310140580A CN103206311A CN 103206311 A CN103206311 A CN 103206311A CN 201310140580 CN201310140580 CN 201310140580 CN 201310140580 A CN201310140580 A CN 201310140580A CN 103206311 A CN103206311 A CN 103206311A
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Abstract
The invention provides an engine control method, a system and a controller based on a global positioning system (GPS). The method comprises the following steps of detecting a current position coordinate of a car in real time through a car-mounted GPS; transmitting the detected current position coordinate to an engine controller through the car-mounted GPS; judging the type of the terrain on which the car stays at the moment according to the current position coordinate through the engine controller; selecting an engine calibration chart MAP corresponding to the terrain type to control the operation of an engine according to the judged type of the terrain through the engine controller; and MAP is a data table and includes a one-dimensional map, a two-dimensional map and an independent data table. Due to the adoption of the method, the system and the controller, the MAP is automatically switched according to different terrain types, thus realizing the energy conservation and consumption reduction when the engine is operated under a best working condition. Moreover, the method is free from the manual interference, so that the control is more accurate.
Description
Technical field
The present invention relates to the engine control technical field, particularly a kind of engine control based on GPS, system and controller.
Background technique
Global positioning system (GPS, Global Positioning System) can provide functions such as vehicle location, antitheft, anti-misfortune, travel route monitoring and calling commander.
Automobile GPS navigation system is based on 24 the location man-made satellites in the whole world, and a kind of radio-navigation positioning system of information such as three-dimensional position, three-dimensional velocity is provided to all parts of the world round-the-clockly.It is made of three parts, and the one, the ground control section is made up of master station, ground-plane antenna, monitoring station and communication auxiliary system.The 2nd, space segment is made up of 24 satellites, is distributed in 6 orbit planes.The 3rd, the user's set part is made up of GPS receiving machine and satellite antenna.Civilian Location accuracy can reach in 10 meters now.
Vehicle particularly in long distance transportation process, will run into various dissimilar highway sections in the process of moving at present, for example, and highway sections such as mountain highway, city highway, expressway.Need driver oneself to judge drive manner during the difference highway section, implement to drive, do not reach effective driver assistance like this, and then do not reach energy-saving and cost-reducing effect.
Therefore, how to provide a kind of engine control, can help the driver when different highway section, select different engine controls to come driver assistance, reach energy saving purposes.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of engine control based on GPS, system and controller, can effectively assist driver driving, reaches energy saving purposes.
The embodiment of the invention provides a kind of engine control based on GPS, comprising:
Vehicle GPS detects the current position coordinates of automobile in real time;
Vehicle GPS sends to engine controller with the current position coordinates that detects;
Engine controller is judged the current landform classification that is in of automobile by described current position coordinates;
Engine controller selects the engine calibration corresponding with this landform classification to control the motor operation with chart MAP by the landform classification of judging; Described MAP is a kind of data form, comprises one dimension arteries and veins spectrum, two-dimentional arteries and veins spectrum and independent data table.
Preferably, described vehicle GPS sends to engine controller with the current position coordinates that detects, and is specially: by the CAN bus current position coordinates that detects is sent to engine controller.
Preferably, described engine controller is judged the current landform classification that is in of automobile by described current position coordinates, is specially:
The scope of the longitude and latitude coordinate that the longitude and latitude coordinate of current position coordinates is corresponding with the landform classification of storage in advance in the engine controller compares, and judges the current landform classification that is in of automobile.
Preferably, store the MAP corresponding with different landform classifications in the described engine controller in advance.
Preferably, the MAP of described different landform classification correspondence comprises:
Among the MAP of the MAP of the MAP of alpine terrain, high speed landform, the MAP of rural landform and city landform at least two kinds.
The embodiment of the invention also provides a kind of engine control system based on GPS, comprising: vehicle GPS and engine controller;
Described vehicle GPS is used for the current position coordinates of detection automobile in real time, and the current position coordinates that detects is sent to engine controller;
Described engine controller is used for judging the current landform classification that is in of automobile by described current position coordinates; Select the engine calibration corresponding with this landform classification to control the motor operation with chart MAP by the landform classification of judging; Described MAP is a kind of data form, comprises one dimension arteries and veins spectrum, two-dimentional arteries and veins spectrum and independent data table.
Preferably, also comprise: CAN bus and CAN interface;
Described vehicle GPS connects described CAN interface, and described vehicle GPS sends to engine controller by CAN interface and CAN bus with the current position coordinates that detects.
Preferably, the described engine control implement body scope that is used for the corresponding longitude and latitude coordinate of landform classification that the longitude and latitude coordinate of current position coordinates and engine controller are stored in advance compares the current landform classification that is in of judgement automobile.
The embodiment of the invention also provides a kind of engine controller, comprising: receiving module,
Receiving module is for the current position coordinates of the automobile that receives the vehicle GPS transmission;
Judge module is used for judging the current landform classification that is in of automobile by described current position coordinates;
Select module, be used for selecting the engine calibration chart corresponding with this landform classification by the landform classification of described judgement; Described MAP is a kind of data form, comprises one dimension arteries and veins spectrum, two-dimentional arteries and veins spectrum and independent data table;
Control module is used for controlling the motor operation by the described engine calibration of selecting with chart.
Preferably, also comprise: storage unit is used for the storage MAP corresponding with different landform classifications;
Described MAP comprises: among the MAP of the MAP of alpine terrain, the MAP of high speed landform, rural landform and the MAP of city landform at least two kinds.
Compared with prior art, the present invention has the following advantages:
Utilize the navigation feature of vehicle GPS, judge by the current position coordinates of automobile which kind of landform classification automobile is currently operating at, select the engine calibration chart MAP corresponding with this landform classification according to the landform classification again, the control motor moves according to the described MAP that selects, can avoid automobile like this when the different terrain classification, motor is always according to fixing MAP operation, the present invention can be according to the different terrain classification MAP that automaticallyes switch, motor is operated under the optimum condition, thereby realize energy saving purposes.And this method does not have artificial intervention, makes control more accurate.
Description of drawings
Fig. 1 is engine control embodiment one flow chart based on GPS provided by the invention;
Fig. 2 is engine control embodiment two flow charts based on GPS provided by the invention;
Fig. 3 is engine control system embodiment one structural drawing based on GPS provided by the invention;
Fig. 4 is engine control system embodiment two structural drawing based on GPS provided by the invention;
Fig. 5 is engine controller embodiment one schematic representation provided by the invention;
Fig. 6 is engine controller embodiment two schematic representation provided by the invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail.
Referring to Fig. 1, this figure is engine control embodiment one flow chart based on GPS provided by the invention.
The engine control based on GPS that present embodiment provides is characterized in that, comprising:
S101: vehicle GPS detects the current position coordinates of automobile in real time;
At present, in a lot of automobiles GPS is housed all, is used for location navigation, therefore, the method that present embodiment provides can directly utilize vehicle GPS to realize.
S102: vehicle GPS sends to engine controller with the current position coordinates that detects;
At present being used for providing navigation information to the driver during car borne GPS navigation on the automobile, generally is to point out or show at display screen with the form of voice.But, in the embodiment of the invention present vehicle GPS and engine controller to be realized communicating by letter, vehicle GPS sends to engine controller with the automobile current position coordinates.
S103: engine controller is judged the current landform classification that is in of automobile by described current position coordinates;
In engine controller, store the landform classification in advance, the position coordinate of every kind of corresponding prespecified range of landform classification.For example, Beijing is divided into four kinds of landform classifications, can be judged by current position coordinates to be in which kind of landform classification.
S104: engine controller selects the engine calibration corresponding with this landform classification to control the motor operation with chart MAP by the landform classification of judging; Described MAP is a kind of data form, comprises one dimension arteries and veins spectrum, two-dimentional arteries and veins spectrum and independent data table.
The engine control based on GPS that the embodiment of the invention provides, utilize the navigation feature of vehicle GPS, judge by the current position coordinates of automobile which kind of landform classification automobile is currently operating at, select the engine calibration chart MAP corresponding with this landform classification according to the landform classification again, the control motor moves according to the described MAP that selects, can avoid automobile like this when the different terrain classification, motor is always according to fixing MAP operation, the present invention can be according to the different terrain classification MAP that automaticallyes switch, motor is operated under the optimum condition, thereby realize energy saving purposes.And this method does not have artificial intervention, makes control more accurate.
Referring to Fig. 2, this figure is engine control embodiment two flow charts based on GPS provided by the invention.
S201 is identical with S101, does not repeat them here.
S202: described vehicle GPS sends to engine controller by the CAN bus with the current position coordinates that detects.
Need to prove that described vehicle GPS can integrated CAN communication module, carries out communication by CAN bus and engine controller.Usually, engine controller all is provided with the CAN communication module.
S203: the scope of the longitude and latitude coordinate that engine controller is corresponding with the landform classification of storage in advance in the engine controller with the longitude and latitude coordinate of current position coordinates compares, and judges the current landform classification that is in of automobile.
S204 is identical with S104, does not repeat them here.
Need to prove, store the MAP corresponding with different landform classifications in the described engine controller in advance.
The MAP of described different landform classification correspondence comprises:
Among the MAP of the MAP of the MAP of alpine terrain, high speed landform, the MAP of rural landform and city landform at least two kinds.
Be understandable that the landform classification is not limited to the above several types of enumerating, can carry out the division of other types according to actual geographical position.
Need to prove, demarcate different MAP for the different terrain classification and demarcate in advance, the MAP that demarcates is stored in the engine controller.
Simply introduce the process that MAP demarcates below.
MAP demarcates: before demarcating motor is adjusted to the state that needs, under current state, successively engine operating condition is adjusted to the abscissa of MAP, the operating point of y coordinate correspondence, value corresponding under this operating mode is filled up among the MAP, MAP demarcates and can finish.
For example, when the landform classification is the level land, set operating mode, to 1200r/min, fuel-flow control represents work cycle to 100mg/cyc(cyc with rotational speed regulation, and four stroke engine takes two turns, and is a circulation); Adjust injection advance angle and make engine performance be adjusted to the best (comprising oil consumption, discharging, power performance), then the i.e. best calibration value of operating point for this reason of this injection advance angle.The injection advance angle that different rotating speeds is corresponding different with oil mass.These injection advance angles of correspondence are demarcated among the MAP of level land.When vehicle drove to the landform classification of level land correspondence, different rotating speeds and oil mass be the corresponding injection advance angle of demarcating in advance respectively, just can reach the purpose of fuel-efficient consumption reduction.
Need to prove that abscissa is represented rotating speed, y coordinate is represented oil mass, and two lines are determined an intersection point, and intersection value is " injection advance angle ", and what " these values " in the sentence referred to is exactly " injection advance angle "." advance angle " in the sentence can be specifically described as " injection advance angle ".
Like this, according to horizontal y coordinate difference, determine the point of intersection, namely realized the demarcation of injection advance angle.Then whole M AP figure is imported in the engine controller program and get final product.
For example, the method that the embodiment of the invention is provided is applied to demarcate suitable MAP according to the application site of bus in advance in the engine control of bus.For example, this batch bus is applied to Beijing, then demarcates several different MAP according to the concrete landform in Pekinese, will demarcate good MAP in advance and be stored in the engine controller.
For example, when motor was coupling Beijing Public Transport car, the Beijing area MAP that motor manufacturer will demarcate in advance was stored in the engine controller, comprising many groups MAP.These MAP are corresponding with the landform classification of Beijing area.
Be specifically as follows, five rings, Beijing with interior demarcation is: level land MAP; Being ringed on three sides by mountains in eastern part of Beijing, western part, the north, just demarcates to be: mountain area MAP.
The MAP data are organized in Beijing more to be stored in the engine controller.For example, bus drives near the Great Wall, GPS sends to engine controller by CAN communication module and CAN interface with current position coordinates, engine controller is judged the landform classification that current bus is in the mountain area according to current position coordinates, engine controller accesses mountain area MAP automatically, and the control motor moves according to mountain area MAP.In the time of in bus enters the five rings, engine controller accesses level land MAP automatically, and the control motor moves according to level land MAP.
To sum up, the engine control based on GPS that the embodiment of the invention provides, operation city or area that can be concrete according to automobile, the MAP that demarcates in advance that is fit to this city or area is stored in the engine controller, like this, automobile is when operation, and engine controller can be selected corresponding MAP control motor operation according to the current position coordinates that GPS sends.Can make motor operate in the optimum Match state like this, thus energy-saving and cost-reducing.
Based on a kind of engine control based on GPS that above embodiment provides, the present invention also provides a kind of engine control system based on GPS, is introduced in detail below in conjunction with accompanying drawing.
Referring to Fig. 3, this figure is engine control system embodiment one structural drawing based on GPS provided by the invention.
The engine control system based on GPS that present embodiment provides comprises: vehicle GPS 300 and engine controller 400;
Described vehicle GPS 300 is used for the current position coordinates of detection automobile in real time, and the current position coordinates that detects is sent to engine controller 400;
At present, in a lot of automobiles GPS is housed all, is used for location navigation, therefore, the method that present embodiment provides can directly utilize vehicle GPS to realize.
At present being used for providing navigation information to the driver during car borne GPS navigation on the automobile, generally is to point out or show at display screen with the form of voice.But, in the embodiment of the invention present vehicle GPS and engine controller to be realized communicating by letter, vehicle GPS sends to engine controller with the automobile current position coordinates.
Described engine controller 400 is used for judging the current landform classification that is in of automobile by described current position coordinates; Select the engine calibration corresponding with this landform classification to control the motor operation with chart MAP by the landform classification of judging; Described MAP is a kind of data form, comprises one dimension arteries and veins spectrum, two-dimentional arteries and veins spectrum and independent data table.
The engine control system based on GPS that the embodiment of the invention provides, utilize the navigation feature of vehicle GPS, judge by the current position coordinates of automobile which kind of landform classification automobile is currently operating at, select the engine calibration chart MAP corresponding with this landform classification according to the landform classification again, the control motor moves according to the described MAP that selects, can avoid automobile like this when the different terrain classification, motor is always according to fixing MAP operation, the present invention can be according to the different terrain classification MAP that automaticallyes switch, motor is operated under the optimum condition, thereby realize energy saving purposes.And this method does not have artificial intervention, makes control more accurate.
Referring to Fig. 4, this figure is engine control system embodiment two structural drawing based on GPS provided by the invention.
The engine control system based on GPS that present embodiment provides also comprises: CAN bus 500 and CAN interface 600;
Described vehicle GPS 300 connects described CAN interface 600, and described vehicle GPS 300 sends to engine controller 400 by CAN interface 600 and CAN bus 500 with the current position coordinates that detects.
Need to prove that described vehicle GPS can integrated CAN communication module, carries out communication by CAN bus and engine controller.Usually, engine controller all is provided with the CAN communication module.
Need to prove, store the MAP corresponding with different landform classifications in the described engine controller in advance.
The MAP of described different landform classification correspondence comprises:
Among the MAP of the MAP of the MAP of alpine terrain, high speed landform, the MAP of rural landform and city landform at least two kinds.
Be understandable that the landform classification is not limited to the above several types of enumerating, can carry out the division of other types according to actual geographical position.
Need to prove, demarcate different MAP for the different terrain classification and demarcate in advance, the MAP that demarcates is stored in the engine controller.
For example, the method that the embodiment of the invention is provided is applied to demarcate suitable MAP according to the application site of bus in advance in the engine control of bus.For example, this batch bus is applied to Beijing, then demarcates several different MAP according to the concrete landform in Pekinese, will demarcate good MAP in advance and be stored in the engine controller.
For example, when motor was coupling Beijing Public Transport car, the Beijing area MAP that motor manufacturer will demarcate in advance was stored in the engine controller, comprising many groups MAP.These MAP are corresponding with the landform classification of Beijing area.
Be specifically as follows, five rings, Beijing with interior demarcation is: level land MAP; Being ringed on three sides by mountains in eastern part of Beijing, western part, the north, just demarcates to be: mountain area MAP.
The MAP data are organized in Beijing more to be stored in the engine controller.For example, bus drives near the Great Wall, GPS sends to engine controller by CAN communication module and CAN interface with current position coordinates, engine controller is judged the landform classification that current bus is in the mountain area according to current position coordinates, engine controller accesses mountain area MAP automatically, and the control motor moves according to mountain area MAP.In the time of in bus enters the five rings, engine controller accesses level land MAP automatically, and the control motor moves according to level land MAP.
To sum up, the engine control system based on GPS that the embodiment of the invention provides, operation city or area that can be concrete according to automobile, the MAP that demarcates in advance that is fit to this city or area is stored in the engine controller, like this, automobile is when operation, and engine controller can be selected corresponding MAP control motor operation according to the current position coordinates that GPS sends.Can make motor operate in the optimum Match state like this, thus energy-saving and cost-reducing.
The scope that described engine control implement body is used for the corresponding longitude and latitude coordinate of landform classification that the longitude and latitude coordinate of current position coordinates and engine controller are stored in advance compares the current landform classification that is in of judgement automobile.
Based on the engine control system based on GPS that above embodiment provides, the present invention also provides a kind of engine controller, is introduced in detail below in conjunction with accompanying drawing.
Referring to Fig. 5, this figure is engine controller embodiment one schematic representation provided by the invention.
The engine controller that present embodiment provides comprises: receiving module 501, judge module 502, selection module 503 and control module 504;
Receiving module 501 is for the current position coordinates of the automobile that receives the vehicle GPS transmission;
The engine controller that the embodiment of the invention provides, utilize the navigation feature of vehicle GPS, judge by the current position coordinates of automobile which kind of landform classification automobile is currently operating at, select the engine calibration chart MAP corresponding with this landform classification according to the landform classification again, the control motor moves according to the described MAP that selects, can avoid automobile like this when the different terrain classification, motor is always according to fixing MAP operation, the present invention can be according to the different terrain classification MAP that automaticallyes switch, motor is operated under the optimum condition, thereby realize energy saving purposes.And this method does not have artificial intervention, makes control more accurate.
Referring to Fig. 6, this figure is engine controller embodiment two schematic representation provided by the invention.
The engine controller that present embodiment provides also comprises: storage unit 505 is used for the storage MAP corresponding with different landform classifications;
Described MAP comprises: among the MAP of the MAP of alpine terrain, the MAP of high speed landform, rural landform and the MAP of city landform at least two kinds.
To sum up, the engine controller that the embodiment of the invention provides, operation city or area that can be concrete according to automobile, the MAP that demarcates in advance that is fit to this city or area is stored in the engine controller, like this, automobile is when operation, and engine controller can be selected corresponding MAP control motor operation according to the current position coordinates that GPS sends.Can make motor operate in the optimum Match state like this, thus energy-saving and cost-reducing.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction.Though the present invention discloses as above with preferred embodiment, yet is not in order to limit the present invention.Any those of ordinary skill in the art, do not breaking away under the technical solution of the present invention scope situation, all can utilize method and the technology contents of above-mentioned announcement that technical solution of the present invention is made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solution of the present invention according to any simple modification, equivalent variations and the modification that technical spirit of the present invention is done above embodiment, all still belongs in the scope of technical solution of the present invention protection.
Claims (10)
1. the engine control based on GPS is characterized in that, comprising:
Vehicle GPS detects the current position coordinates of automobile in real time;
Vehicle GPS sends to engine controller with the current position coordinates that detects;
Engine controller is judged the current landform classification that is in of automobile by described current position coordinates;
Engine controller selects the engine calibration corresponding with this landform classification to control the motor operation with chart MAP by the landform classification of judging; Described MAP is a kind of data form, comprises one dimension arteries and veins spectrum, two-dimentional arteries and veins spectrum and independent data table.
2. the engine control based on GPS according to claim 1, it is characterized in that, described vehicle GPS sends to engine controller with the current position coordinates that detects, and is specially: by the CAN bus current position coordinates that detects is sent to engine controller.
3. the engine control based on GPS according to claim 1 is characterized in that, described engine controller is judged the current landform classification that is in of automobile by described current position coordinates, is specially:
The scope of the longitude and latitude coordinate that the longitude and latitude coordinate of current position coordinates is corresponding with the landform classification of storage in advance in the engine controller compares, and judges the current landform classification that is in of automobile.
4. the engine control based on GPS according to claim 1 is characterized in that, stores the MAP corresponding with different landform classifications in the described engine controller in advance.
5. the engine control based on GPS according to claim 4 is characterized in that, the MAP of described different landform classification correspondence comprises:
Among the MAP of the MAP of the MAP of alpine terrain, high speed landform, the MAP of rural landform and city landform at least two kinds.
6. the engine control system based on GPS is characterized in that, comprising: vehicle GPS and engine controller;
Described vehicle GPS is used for the current position coordinates of detection automobile in real time, and the current position coordinates that detects is sent to engine controller;
Described engine controller is used for judging the current landform classification that is in of automobile by described current position coordinates; Select the engine calibration corresponding with this landform classification to control the motor operation with chart MAP by the landform classification of judging; Described MAP is a kind of data form, comprises one dimension arteries and veins spectrum, two-dimentional arteries and veins spectrum and independent data table.
7. the engine control system based on GPS according to claim 6 is characterized in that, also comprises: CAN bus and CAN interface;
Described vehicle GPS connects described CAN interface, and described vehicle GPS sends to engine controller by CAN interface and CAN bus with the current position coordinates that detects.
8. the engine control system based on GPS according to claim 6, it is characterized in that, the scope that described engine control implement body is used for the corresponding longitude and latitude coordinate of landform classification that the longitude and latitude coordinate of current position coordinates and engine controller are stored in advance compares the current landform classification that is in of judgement automobile.
9. an engine controller is characterized in that, comprising: receiving module,
Receiving module is for the current position coordinates of the automobile that receives the vehicle GPS transmission;
Judge module is used for judging the current landform classification that is in of automobile by described current position coordinates;
Select module, be used for selecting the engine calibration chart corresponding with this landform classification by the landform classification of described judgement; Described MAP is a kind of data form, comprises one dimension arteries and veins spectrum, two-dimentional arteries and veins spectrum and independent data table;
Control module is used for controlling the motor operation by the described engine calibration of selecting with chart.
10. engine controller according to claim 9 is characterized in that, also comprises: storage unit is used for the storage MAP corresponding with different landform classifications;
Described MAP comprises: among the MAP of the MAP of alpine terrain, the MAP of high speed landform, rural landform and the MAP of city landform at least two kinds.
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| CN 201310140580 CN103206311A (en) | 2013-04-22 | 2013-04-22 | Engine control method, system and controller based on global positioning system (GPS) |
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| CN 201310140580 CN103206311A (en) | 2013-04-22 | 2013-04-22 | Engine control method, system and controller based on global positioning system (GPS) |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710307A (en) * | 2017-01-06 | 2017-05-24 | 汽-大众汽车有限公司 | Vehicle assistant driving method and vehicle assistant driving device |
| CN107444118A (en) * | 2016-05-31 | 2017-12-08 | 宇龙计算机通信科技(深圳)有限公司 | A kind of control method for vehicle and relevant device |
-
2013
- 2013-04-22 CN CN 201310140580 patent/CN103206311A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444118A (en) * | 2016-05-31 | 2017-12-08 | 宇龙计算机通信科技(深圳)有限公司 | A kind of control method for vehicle and relevant device |
| CN107444118B (en) * | 2016-05-31 | 2021-04-20 | 宇龙计算机通信科技(深圳)有限公司 | Vehicle control method and related equipment |
| CN106710307A (en) * | 2017-01-06 | 2017-05-24 | 汽-大众汽车有限公司 | Vehicle assistant driving method and vehicle assistant driving device |
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Application publication date: 20130717 |