CN104454206A - Automobile control method and system and automobile with control system - Google Patents
Automobile control method and system and automobile with control system Download PDFInfo
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- CN104454206A CN104454206A CN201310430377.6A CN201310430377A CN104454206A CN 104454206 A CN104454206 A CN 104454206A CN 201310430377 A CN201310430377 A CN 201310430377A CN 104454206 A CN104454206 A CN 104454206A
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Abstract
The invention provides an automobile control method which includes the following steps that when an automobile is started or runs, the practical lodes of an automobile are detected; the power and the torque curves of an engine under automobile working conditions corresponding to the practical loads are selected according to the practical loads, wherein different working conditions correspond to different preset power and different torque curves of the engine; the fuel jetting pressure, the jetting moment and the jetting amount are controlled according to the requested torque, power and torque curves of a driver so as to reduce the fuel consumption of the automobile. According to the automobile control method, the automobile can select the engine power and torque curves corresponding to the practical loads according to the practical loads of the automobile, accordingly, the output performance of the engine is determined, and the automobile can run with the minimum fuel consumption rate under different working conditions. Thus, fuel can be saved, in addition, the method can avoid overspeed running when the automobile is in the no-load process or half-load process, and safe running is ensured. The invention further provides a control system of the automobile and the automobile with the control system.
Description
Technical field
The present invention relates to car combustion engine technical field, particularly a kind of controlling method of automobile, control system and there is the automobile of this control system.
Background technique
The development of automotive industry is along with the development of internal-combustion engine.Usually, for automobile, the performance of what user mainly paid close attention to is motor, and the performance of motor mainly relies on its setting.Till now, electronics and system have become the requisite part of internal-combustion engine to internal combustion engine development, and automatically controlling oil-fired system by the inherence programming of ECU becomes one of major technique.
General, most of state three and above internal-combustion engine are all adopt electric-controlled co-rail equipment, reach national emission request to control fuel oil injection.But maximal power condition only demarcated by current motor.After demarcation completes, corresponding optimization fuel injection quantity, oil injection time and pressure are fixed, and now the braking fuel consume of motor is minimum.Owing to generally only arranging a kind of power curve, therefore, result in the lifting of fuel consumption rate under some operating mode, such as, under automobile zero load or half load operating mode, if also run according to the maximal power condition demarcated, then can cause overspeed of vehicle, cause unnecessary fuel consume simultaneously, cause waste.Therefore, how making vehicle can travel with minimum fuel oil consumption under any operating mode, is a great development direction of current motor car engine demarcation aspect.
Summary of the invention
The present invention is intended at least one of solve the problems of the technologies described above.
For this reason, one object of the present invention is the controlling method proposing a kind of automobile, this controlling method can make automobile select the engine power corresponding with this actual load and torque curve according to its actual load, thus automobile can be made to travel with minimum fuel consume power under different operating mode, fuel oil can be saved, in addition, vehicle also can be avoided to drive over the speed limit when zero load or half load, guarantee safe driving.
Another object of the present invention is to the control system proposing a kind of automobile.
3rd object of the present invention is to provide a kind of automobile.
To achieve these goals, the embodiment of first aspect present invention proposes a kind of controlling method of automobile, comprises the following steps: in automobile starting or running process, detects the actual load of described automobile; Power and the torque curve of the motor under vehicle working condition corresponding to described actual load is selected according to described actual load, wherein, the predetermined power of the motor that different operating mode is corresponding different and torque curve; And control fuel-injection pressure, time for spraying and emitted dose to reduce the fuel consume of described automobile according to the requested torque of driver and described power and torque curve.
According to the controlling method of the automobile of the embodiment of the present invention, in vehicle traveling process, actual load according to automobile selects the engine power corresponding with this actual load and torque curve, and determine the output performance of motor according to this, thus automobile can be made all to travel with minimum specific fuel consumption under different operating mode, therefore, fuel oil can be saved, in addition, this controlling method also can avoid vehicle to drive over the speed limit when zero load or half load, can guarantee safe driving.
In addition, the controlling method of automobile according to the above embodiment of the present invention can also have following additional technical characteristics:
In some instances, the actual load of the described automobile of described detection, comprises further: the actual load rule of thumb being judged described automobile by driver; Or, the actual load of described automobile is detected by load detecting device.
In some instances, described load detecting device is arranged on the chassis of described automobile, and described load detecting device comprises load electrometric sensor and tilt sensor.
In some instances, described actual load at least comprises: full load, halfload and zero load, and the vehicle working condition that different loads is corresponding different, wherein, the power of the motor under each described vehicle working condition and torque curve obtain by demarcating in advance on engine pedestal.
In some instances, the described requested torque according to driver and described power and torque curve control fuel-injection pressure, time for spraying and emitted dose to reduce the fuel consume of described automobile, comprise further: obtain described request moment of torsion according to the travelling speed of automobile, gear signal, brake signal or throttle signal; The engine power corresponding with described request moment of torsion is selected from described power with torque curve according to described request moment of torsion; Fuel-injection pressure, time for spraying and emitted dose is controlled to reduce the fuel consume of described automobile according to described engine power.
The embodiment of second aspect present invention provides a kind of control system of automobile, comprising: load testing module, for detecting the actual load of described automobile; Power and torque curve select module, for selecting power and the torque curve of the motor under vehicle working condition corresponding to described actual load according to described actual load, wherein, and the predetermined power of the motor that different operating mode is corresponding different and torque curve; And control module, for controlling fuel-injection pressure, time for spraying and emitted dose to reduce the fuel consume of described automobile according to the requested torque of driver and described power and torque curve.
According to the control system of the automobile of the embodiment of the present invention, in vehicle traveling process, actual load according to automobile selects the engine power corresponding with this actual load and torque curve, and determine the output performance of motor according to this, thus automobile can be made all to travel with minimum specific fuel consumption under different operating mode, therefore, fuel oil can be saved, in addition, this control system also can avoid vehicle to drive over the speed limit when zero load or half load, can guarantee safe driving.
In addition, the control system of automobile according to the above embodiment of the present invention can also have following additional technical characteristics:
In some instances, described load testing module comprises: manual tune switch and/or sensor unit, described manual tune switch is carried out the actual load regulating to select described automobile by driver, described sensor unit is used for the actual load automatically detecting described automobile.
In some instances, described sensor unit is arranged on the chassis of described automobile, and described sensor unit comprises load electrometric sensor and tilt sensor.
In some instances, described actual load at least comprises: full load, halfload and zero load, and the vehicle working condition that different loads is corresponding different, wherein, the power of the motor under each described vehicle working condition and torque curve obtain by demarcating in advance on engine pedestal.
Third aspect present invention embodiment still provides a kind of automobile, comprising: the control system of the described automobile that second aspect present invention embodiment provides.
According to the automobile of the embodiment of the present invention, in the process of moving, the engine power corresponding with this actual load and torque curve can be selected according to actual load, and determine the output performance of motor according to this, thus all can travel with minimum specific fuel consumption under different operating mode, therefore, fuel oil can be saved, in addition, this automobile also can be avoided driving over the speed limit when zero load or half load, guarantees safe driving.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the flow chart of the controlling method of automobile according to an embodiment of the invention;
Fig. 2 is the schematic diagram of nominal data under the corresponding operating mode of manual selection of the controlling method of automobile according to an embodiment of the invention;
Fig. 3 is the schematic diagram that the ECU of the controlling method of automobile according to an embodiment of the invention selects different nominal data automatically; With
Fig. 4 is the structural representation of the control system of automobile according to an embodiment of the invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Describe according to the controlling method of the automobile of the embodiment of the present invention, control system and the automobile with this control system below in conjunction with accompanying drawing.
Fig. 1 is the flow chart of the controlling method of automobile according to an embodiment of the invention.As shown in Figure 1, the controlling method of automobile according to an embodiment of the invention, comprises the following steps:
Step S101, in automobile starting or running process, detects the actual load of automobile.Specifically, in automobile starting or running process, rule of thumb judge the actual load of automobile by driver or detected the actual load of automobile by the load detecting device that automobile is arranged.In one embodiment of the invention, load detecting device is arranged on the chassis of automobile, and this load detecting device comprises load electrometric sensor and tilt sensor.Specifically, load electrometric sensor can detect the weight of the contained object of automobile, and tilt sensor can detect the gradient that automobile chassis presses down, thus combines the actual load that gradient that the weight of object that detects and chassis press down can obtain automobile.
Step S102, selects power and the torque curve of the motor under vehicle working condition corresponding to actual load according to actual load, wherein, and the predetermined power of the motor that different operating mode is corresponding different and torque curve.
Specifically, in one embodiment of the invention, the actual load of automobile at least comprises: full load, halfload and zero load, and the vehicle working condition that different loads is corresponding different, wherein, power and the torque curve of the motor under the different operating mode of each vehicle obtain by demarcating in advance on engine pedestal, and more specifically, under different operating mode, the power of motor and torque curve are obtained by a large amount of real train test.In other words, namely demarcated in advance on engine pedestal automobile full load, halfload and unloaded time the power that needs respectively.When automobile is current be full load mode time, the engine power then selecting full load corresponding and torque curve, when automobile is halfload operating mode, the engine power that then selection halfload is corresponding and torque curve, when automobile is idle condition, then select unloaded corresponding engine power and torque curve.
Step S103, controls fuel-injection pressure, time for spraying and emitted dose to reduce the fuel consume of automobile according to the requested torque of driver and power and torque curve.Specifically, first requested torque is obtained according to the travelling speed of automobile, gear signal, brake signal or throttle signal, select with this requested torque corresponding engine power from power with torque curve according to this requested torque, finally control fuel-injection pressure, time for spraying and emitted dose to reduce the fuel consume of automobile according to engine power.As a concrete example, such as now the actual load of automobile is unloaded, then driver manually or by automobile can select motor car engine moment of torsion corresponding under idle condition and power torque curve automatically, and judge the travelling speed of current automobile further, gear signal, brake signal or throttle signal etc., if current driver's is for braking automobile, then according to the position of current brake device, obtain corresponding requested torque, then can according to this requested torque with reference to automobile engine power corresponding under idle condition obtained above and torque curve, obtain the power of the motor corresponding to this requested torque, and the fuel-injection pressure of motor is controlled according to this power, time for spraying and emitted dose, thus the consumption rate of fuel oil can be reduced, avoid unnecessary waste, in addition, also the utilization ratio of fuel oil can be promoted, make the property retention of motor car engine best.In summary, in car running process, first the actual load of current automobile is judged, to select corresponding power and torque curve, then the carrying out practically situation that automobile is current is judged further, such as: brake position, the speed of a motor vehicle, vehicle acceleration, engine speed gear position, accelerator pedal position, gear information or clutch position etc., to obtain corresponding requested torque, the best power of motor finally can be obtained with reference to corresponding power and torque curve according to this requested torque.
As a concrete example, Fig. 2 is the schematic diagram of nominal data under the corresponding operating mode of manual selection of the controlling method of automobile according to an embodiment of the invention.
As shown in Figure 2, this controlling method basic principle is: on engine pedestal, carry out the demarcation under different operating mode to motor, such as: zero load, halfload and full load etc., again by driver's manual tune to select corresponding operating mode, ECU exports corresponding signal according to the operating conditions motor of this correspondence, to control fuel-injection pressure, time for spraying and emitted dose, thus motor is made to operate in the state of minimum specific fuel consumption.
Specifically, composition graphs 2, first detects the actual load of vehicle, can judge the current load operating mode of vehicle.Such as: operating mode 1 is vehicle operating mode at full capacity, operating mode 2 is vehicle halfload operating mode, and operating mode 3 is vehicle idle condition.Then when driver manually selects operating mode 1 according to Current vehicle actual load, i.e. operating mode at full capacity, then ECU controls engine operation under power corresponding to lower vehicle full and down operating mode and torque curve, and further according to the jet pressure of this curve controlled motor, time for spraying and emitted dose, wherein, ECU controls motor by the program that its inside presets and performs different power and torque curve, and select data to control the injection pressure of motor, oil injection time and fuel injection quantity, the specific works process of ECU is as shown in Figure 3.When driver manually selects operating mode 2, namely now automobile is halfload operating mode, then ECU controls engine operation under engine power corresponding to halfload operating mode and torque curve, and further according to the jet pressure of this curve controlled motor, time for spraying and emitted dose.In addition, when driver manually selects operating mode 3, namely under automobile idle condition, ECU controls engine operation under engine power corresponding to idle condition and torque curve, and further according to the jet pressure of this curve controlled motor, time for spraying and emitted dose.Thus ensure that automobile is under any operating mode, all runs with minimum specific fuel consumption, saves fuel consume, meanwhile, automobile also can be avoided under zero load or half load operating mode to occur the phenomenons such as hypervelocity, guarantee safe driving.Wherein, corresponding under different operating mode engine power and torque curve are what preset.
It should be noted that, in the examples described above, the data such as motor injection pressure, oil injection time and fuel injection quantity in Fig. 2 are only calculating in order to represent ECU and selection, and embodiments of the invention are not limited to above-mentioned data, also can be other data, therefore not to repeat here.In addition, the automobile zero load described in above-mentioned example, halfload and full load three kinds of operating modes, embodiments of the invention are not limited to this three kinds of operating modes, also can be other load behavior, not repeat herein.
According to the controlling method of the automobile of the embodiment of the present invention, in vehicle traveling process, actual load according to automobile selects the engine power corresponding with this actual load and torque curve, and determine the output performance of motor according to this, thus automobile can be made all to travel with minimum specific fuel consumption under different operating mode, therefore, fuel oil can be saved, in addition, this controlling method also can avoid vehicle to drive over the speed limit when zero load or half load, can guarantee safe driving.
The invention allows for a kind of control system of automobile.
Fig. 4 is the structural representation of the control system of automobile according to an embodiment of the invention.As shown in Figure 4, the control system 400 of automobile according to an embodiment of the invention, comprising: load testing module 410, power and torque curve select module 420 and control module 430.
Specifically, load testing module 410 is for detecting the actual load of automobile.In one embodiment of the invention, load testing module 410 comprises: manual tune switch 411 and/or sensor unit 412, manual tune switch 411 carries out by driver the actual load regulating to select automobile, and sensor unit 412 is for automatically detecting the actual load of automobile.Wherein, sensor unit 412 is arranged on the chassis of automobile, and sensor unit 412 comprises load electrometric sensor and tilt sensor further.Specifically, in vehicle launch or running process, rule of thumb judge the actual load of automobile by driver or detected the actual load of automobile by load detecting device 410.Driver selects actual load by manual tune switch 411 after judging the actual load of automobile according to its experience.On the other hand, sensor unit 412 detects the weight of the contained object of automobile by its load electrometric sensor, and detect by tilt sensor the gradient that automobile chassis presses down, thus combine the object weight that detects and chassis press down the actual load that gradient can obtain automobile.
Power and torque curve select module 420 for selecting power and the torque curve of the motor with actual load under corresponding vehicle working condition according to actual load, wherein, and the predetermined power of the motor that different operating mode is corresponding different and torque curve.
Specifically, in one embodiment of the invention, the actual load of automobile at least comprises: full load, halfload and zero load, and the vehicle working condition that different loads is corresponding different, wherein, the power of the motor under each vehicle working condition and torque curve obtain by demarcating in advance on engine pedestal.In other words, namely demarcated in advance on engine pedestal automobile full load, halfload and unloaded time the power that needs respectively.When automobile is current be full load mode time, then power and the torque curve engine power of selecting module 420 to select full load corresponding and torque curve, when automobile is halfload operating mode, then power and the torque curve engine power of selecting module 420 to select halfload corresponding and torque curve, when automobile is idle condition, then power and torque curve select module 420 to select unloaded corresponding engine power and torque curve.
Control module 430 is for controlling fuel-injection pressure, time for spraying and emitted dose to reduce the fuel consume of automobile according to the requested torque of driver and power and torque curve.
Specifically, first control module 430 obtains requested torque according to the travelling speed of automobile, gear signal, brake signal or throttle signal, and select with this requested torque corresponding engine power from power with torque curve according to this requested torque, finally control fuel-injection pressure, time for spraying and emitted dose to reduce the fuel consume of automobile according to engine power.As a concrete example, such as now the actual load of automobile is unloaded, then driver manually or by automobile can select motor car engine moment of torsion corresponding under idle condition and power torque curve automatically, and judge the travelling speed of current automobile further, gear signal, brake signal or throttle signal etc., if current driver's is for braking automobile, then according to the position of current brake device, obtain corresponding requested torque, then can according to this requested torque with reference to automobile engine power corresponding under idle condition obtained above and torque curve, obtain the power of the motor corresponding to this requested torque, and the fuel-injection pressure of motor is controlled according to this power, time for spraying and emitted dose, thus the consumption rate of fuel oil can be reduced, avoid unnecessary waste, in addition, also the utilization ratio of fuel oil can be promoted, make the property retention of motor car engine best.
In summary, in car running process, first the actual load of current automobile is judged by load testing module 410, power and torque curve select module 420 to select corresponding power and torque curve according to this actual load, then control module 430 judges the carrying out practically situation that automobile is current further, such as: brake position, the speed of a motor vehicle, vehicle acceleration, engine speed gear position, accelerator pedal position, gear information or clutch position etc., to obtain corresponding requested torque, finally can obtain the best power of motor with reference to corresponding power and torque curve according to this requested torque.
According to the control system of the automobile of the embodiment of the present invention, in vehicle traveling process, actual load according to automobile selects the engine power corresponding with this actual load and torque curve, and determine the output performance of motor according to this, thus automobile can be made all to travel with minimum specific fuel consumption under different operating mode, therefore, fuel oil can be saved, in addition, this control system also can avoid vehicle to drive over the speed limit when zero load or half load, can guarantee safe driving.
Present invention also offers a kind of automobile, this automobile comprises the control system 400 of the automobile that the above embodiment of the present invention provides.
Specifically, Fig. 4 is the structural representation of the control system of automobile according to an embodiment of the invention.As shown in Figure 4, the control system 400 of automobile according to an embodiment of the invention, comprising: load testing module 410, power and torque curve select module 420 and control module 430.
Specifically, load testing module 410 is for detecting the actual load of automobile.In one embodiment of the invention, load testing module 410 comprises: manual tune switch 411 and/or sensor unit 412, manual tune switch 411 carries out by driver the actual load regulating to select automobile, and sensor unit 412 is for automatically detecting the actual load of automobile.Wherein, sensor unit 412 is arranged on the chassis of automobile, and sensor unit 412 comprises load electrometric sensor and tilt sensor further.Specifically, in vehicle launch or running process, rule of thumb judge the actual load of automobile by driver or detected the actual load of automobile by load detecting device 410.Driver selects actual load by manual tune switch 411 after judging the actual load of automobile according to its experience.On the other hand, sensor unit 412 detects the weight of the contained object of automobile by its load electrometric sensor, and detect by tilt sensor the gradient that automobile chassis presses down, thus combine the object weight that detects and chassis press down the actual load that gradient can obtain automobile.
Power and torque curve select module 420 for selecting power and the torque curve of the motor with actual load under corresponding vehicle working condition according to actual load, wherein, and the predetermined power of the motor that different operating mode is corresponding different and torque curve.
Specifically, in one embodiment of the invention, the actual load of automobile at least comprises: full load, halfload and zero load, and the vehicle working condition that different loads is corresponding different, wherein, the power of the motor under each vehicle working condition and torque curve obtain by demarcating in advance on engine pedestal.In other words, namely demarcated in advance on engine pedestal automobile full load, halfload and unloaded time the power that needs respectively.When automobile is current be full load mode time, then power and the torque curve engine power of selecting module 420 to select full load corresponding and torque curve, when automobile is halfload operating mode, then power and the torque curve engine power of selecting module 420 to select halfload corresponding and torque curve, when automobile is idle condition, then power and torque curve select module 420 to select unloaded corresponding engine power and torque curve.
Control module 430 is for controlling fuel-injection pressure, time for spraying and emitted dose to reduce the fuel consume of automobile according to the requested torque of driver and power and torque curve.
Specifically, first control module 430 obtains requested torque according to the travelling speed of automobile, gear signal, brake signal or throttle signal, and select with this requested torque corresponding engine power from power with torque curve according to this requested torque, finally control fuel-injection pressure, time for spraying and emitted dose to reduce the fuel consume of automobile according to engine power.As a concrete example, such as now the actual load of automobile is unloaded, then driver manually or by automobile can select motor car engine moment of torsion corresponding under idle condition and power torque curve automatically, and judge the travelling speed of current automobile further, gear signal, brake signal or throttle signal etc., if current driver's is for braking automobile, then according to the position of current brake device, obtain corresponding requested torque, then can according to this requested torque with reference to automobile engine power corresponding under idle condition obtained above and torque curve, obtain the power of the motor corresponding to this requested torque, and the fuel-injection pressure of motor is controlled according to this power, time for spraying and emitted dose, thus the consumption rate of fuel oil can be reduced, avoid unnecessary waste, in addition, also the utilization ratio of fuel oil can be promoted, make the property retention of motor car engine best.
In summary, in car running process, first the actual load of current automobile is judged by load testing module 410, power and torque curve select module 420 to select corresponding power and torque curve according to this actual load, then control module 430 judges the carrying out practically situation that automobile is current further, such as: brake position, the speed of a motor vehicle, vehicle acceleration, engine speed gear position, accelerator pedal position, gear information or clutch position etc., to obtain corresponding requested torque, finally can obtain the best power of motor with reference to corresponding power and torque curve according to this requested torque.
According to the automobile of the embodiment of the present invention, in the process of moving, the engine power corresponding with this actual load and torque curve can be selected according to actual load, and determine the output performance of motor according to this, thus all can travel with minimum specific fuel consumption under different operating mode, therefore, fuel oil can be saved, in addition, this automobile also can be avoided driving over the speed limit when zero load or half load, guarantees safe driving.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalency thereof.
Claims (10)
1. a controlling method for automobile, is characterized in that, comprises the following steps:
In automobile starting or running process, detect the actual load of described automobile;
Power and the torque curve of the motor under vehicle working condition corresponding to described actual load is selected according to described actual load, wherein, the predetermined power of the motor that different operating mode is corresponding different and torque curve; And
Fuel-injection pressure, time for spraying and emitted dose is controlled to reduce the fuel consume of described automobile according to the requested torque of driver and described power and torque curve.
2. controlling method according to claim 1, is characterized in that, the actual load of the described automobile of described detection, comprises further:
The actual load of described automobile is rule of thumb judged by driver;
Or, the actual load of described automobile is detected by load detecting device.
3. controlling method according to claim 2, is characterized in that, described load detecting device is arranged on the chassis of described automobile, and described load detecting device comprises load electrometric sensor and tilt sensor.
4. controlling method according to claim 1, it is characterized in that, described actual load at least comprises: full load, halfload and zero load, and the vehicle working condition that different loads is corresponding different, wherein, the power of the motor under each described vehicle working condition and torque curve obtain by demarcating in advance on engine pedestal.
5. controlling method according to claim 1, is characterized in that, the described requested torque according to driver and described power and torque curve control fuel-injection pressure, time for spraying and emitted dose to reduce the fuel consume of described automobile, comprise further:
Described request moment of torsion is obtained according to the travelling speed of automobile, gear signal, brake signal or throttle signal;
The engine power corresponding with described request moment of torsion is selected from described power with torque curve according to described request moment of torsion;
Fuel-injection pressure, time for spraying and emitted dose is controlled to reduce the fuel consume of described automobile according to described engine power.
6. a control system for automobile, is characterized in that, comprising:
Load testing module, for detecting the actual load of described automobile;
Power and torque curve select module, for selecting power and the torque curve of the motor under vehicle working condition corresponding to described actual load according to described actual load, wherein, and the predetermined power of the motor that different operating mode is corresponding different and torque curve; And
Control module, for controlling fuel-injection pressure, time for spraying and emitted dose to reduce the fuel consume of described automobile according to the requested torque of driver and described power and torque curve.
7. control system according to claim 6, it is characterized in that, described load testing module comprises: manual tune switch and/or sensor unit, described manual tune switch is carried out the actual load regulating to select described automobile by driver, described sensor unit is used for the actual load automatically detecting described automobile.
8. control system according to claim 7, is characterized in that, described sensor unit is arranged on the chassis of described automobile, and described sensor unit comprises load electrometric sensor and tilt sensor.
9. control system according to claim 6, it is characterized in that, described actual load at least comprises: full load, halfload and zero load, and the vehicle working condition that different loads is corresponding different, wherein, the power of the motor under each described vehicle working condition and torque curve obtain by demarcating in advance on engine pedestal.
10. an automobile, is characterized in that, comprising: the control system of the automobile as described in any one of claim 6-9.
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| CN201310430377.6A CN104454206A (en) | 2013-09-18 | 2013-09-18 | Automobile control method and system and automobile with control system |
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| CN201310430377.6A CN104454206A (en) | 2013-09-18 | 2013-09-18 | Automobile control method and system and automobile with control system |
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| CN106114509A (en) * | 2015-05-06 | 2016-11-16 | 现代自动车株式会社 | Autonomous vehicle and control method thereof |
| CN108104959A (en) * | 2017-12-13 | 2018-06-01 | 天津雷沃发动机有限公司 | A kind of non-road engines electronic controlled power output control method |
| CN108708795A (en) * | 2018-05-15 | 2018-10-26 | 北汽福田汽车股份有限公司 | Control the method, apparatus and vehicle of gasoline engine |
| CN110126845A (en) * | 2019-05-22 | 2019-08-16 | 浙江吉利控股集团有限公司 | A kind of control method for vehicle and control system and vehicle based on driving cycle |
| CN110307095A (en) * | 2019-07-08 | 2019-10-08 | 三一专用汽车有限责任公司 | Pump truck engine control and system |
| CN112092646A (en) * | 2020-08-18 | 2020-12-18 | 北汽福田汽车股份有限公司 | Vehicle control method and device, storage medium and vehicle |
| CN114312806A (en) * | 2020-09-30 | 2022-04-12 | 陕西汽车集团有限责任公司 | Method for judging vehicle load state |
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| CN112092646B (en) * | 2020-08-18 | 2022-01-04 | 北汽福田汽车股份有限公司 | Vehicle control method and device, storage medium and vehicle |
| CN114312806A (en) * | 2020-09-30 | 2022-04-12 | 陕西汽车集团有限责任公司 | Method for judging vehicle load state |
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