CN114021931A - Economical evaluation method and system for driving behaviors - Google Patents
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Abstract
The invention relates to the technical field of automobile energy conservation, in particular to a driving behavior economy evaluation method and system. The method comprises the following steps: recording the accumulated oil consumption of various running states of the vehicle in the running process; searching and acquiring total historical accumulated average oil consumption, total historical accumulated highest oil consumption and total historical accumulated lowest oil consumption of vehicles with the same type and various driving states as the driving route; and providing a driving suggestion according to the total historical accumulated average oil consumption, the total historical accumulated highest oil consumption, the total historical accumulated lowest oil consumption and the current running accumulated oil consumption of various running states. The method and the device can solve the problems that in the prior art, only single evaluation on relevance can be realized, the fuel consumption of a driving behavior mode cannot be quantified, the adaptability of the whole driving behavior cannot be analyzed, and the adaptability of a driver is suggested.
Description
Technical Field
The invention relates to the technical field of automobile energy conservation, in particular to a driving behavior economy evaluation method and system.
Background
Vehicle fuel economy refers to the ability to perform unit transportation tasks with minimal fuel consumption. The economy has three evaluation indexes: the fuel consumption per unit mileage, the fuel consumption per unit transportation workload, and the mileage traveled per unit fuel consumed are generally mainly based on the test for the first index. The fuel consumption of various driving behaviors can be accurately evaluated and recognized, and subsequent driving behavior adjustment can be facilitated, so that fuel is saved.
The prior art discloses a method and a device for analyzing fuel consumption economy of driving behaviors, wherein firstly, determined fuel consumption economy related parameters are subjected to cluster analysis to obtain two types of driving behavior modes and sample data point sets corresponding to the driving behavior modes; and then analyzing the statistical distribution characteristics of the plurality of oil consumption parameters by using methods such as a histogram, an average value and the like. For example, a driving behavior mode frequently started and stopped is determined, the average value is used as the statistical distribution characteristic of the corresponding fuel consumption parameter, and if the average value is large, the incidence relation between the driving behavior mode frequently started and stopped and the fuel consumption is as follows: the driving behavior mode with frequent start and stop has large oil consumption.
However, the scheme in the prior art can only singly evaluate the relevance, the fuel consumption of the driving behavior mode cannot be quantified, and the whole driving behavior cannot be subjected to adaptive analysis, so that a certain adaptive suggestion is given to a driver.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a driving behavior economy evaluation method and a driving behavior economy evaluation system, which can solve the problems that in the prior art, only the relevance can be evaluated singly, the fuel consumption of a driving behavior mode cannot be quantified, the whole driving behavior cannot be analyzed in an adaptive manner, and the adaptability of a driver is suggested.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
in one aspect, the invention provides a driving behavior economy evaluation method, which comprises the following steps:
acquiring the accumulated oil consumption of various running states of a vehicle in the running process;
acquiring total historical accumulated average oil consumption, total historical accumulated highest oil consumption and total historical accumulated lowest oil consumption of vehicles in the same type and in various running states as the running route;
and providing a driving suggestion according to the total historical accumulated average oil consumption, the total historical accumulated highest oil consumption, the total historical accumulated lowest oil consumption and the current running accumulated oil consumption of various running states.
In some optional schemes, the obtaining of the total historical accumulated average oil consumption, the total historical accumulated maximum oil consumption and the total historical accumulated minimum oil consumption of the same driving route and various driving states of the same type of vehicle includes:
searching a historical driving track of a vehicle with the same model and an overlapping area with the current driving track;
screening out the historical overlapping tracks of all the overlapping areas, and acquiring the segmented historical accumulated average oil consumption, the segmented historical accumulated highest oil consumption and the segmented historical accumulated lowest oil consumption of various driving states in each historical overlapping track;
and determining the total historical accumulated average oil consumption, the total historical accumulated highest oil consumption and the total historical accumulated lowest oil consumption of various driving states in the whole driving track according to the segmented historical accumulated average oil consumption, the segmented historical accumulated highest oil consumption and the segmented historical accumulated lowest oil consumption of various driving states in each historical overlapping track.
In some optional schemes, the proposing a driving recommendation according to the total historical accumulated average oil consumption, the total historical accumulated maximum oil consumption, the total historical accumulated minimum oil consumption and the current running accumulated oil consumption of various running states includes:
screening out the running state with the maximum difference between the total historical accumulated highest oil consumption and the total historical accumulated lowest oil consumption, and recommending a driver to reduce the running state;
and screening out the running state with the accumulated fuel consumption higher than the total historical accumulated average fuel consumption at the time, and recommending the driver to reduce the running state.
In some optional solutions, the obtaining of the accumulated oil consumption of the vehicle in various driving states during driving includes:
the method for acquiring the driving data of the vehicle in the driving process comprises the following steps: the system comprises a vehicle speed, an engine rotating speed, an accelerator opening, instantaneous oil consumption, an engine water temperature and an air conditioner on-off state;
identifying the running state of the vehicle in the running process according to the speed, the rotating speed of the engine, the opening degree of an accelerator, the water temperature of the engine and the on-off state of an air conditioner;
and calculating and recording the accumulated oil consumption of various driving states according to the instantaneous oil consumption and the driving states.
In some optional solutions, the calculating and recording the accumulated oil consumption of various driving states according to the instantaneous oil consumption includes:
according to the formula
Determining the oil consumption of a certain single continuous driving state;
according to formula Fsumconda＝F1conda+F2conda+......+Fnconda, the cumulative fuel consumption for a certain driving condition;
wherein, aiThe fuel consumption value collected at a certain moment, t is the accumulated time of a certain single continuous driving state, n is the number of times of a certain driving state, FnAnd conda is the fuel consumption of the nth single continuous driving state, T is the period of the sampling signal, and b is the gain coefficient of can communication.
In some optional schemes, after the total historical accumulated average oil consumption, the total historical accumulated highest oil consumption and the total historical accumulated lowest oil consumption of vehicles of the same type and various driving states are obtained, the driving is scored according to the accumulated oil consumption of the driving state in the driving.
In some alternatives, the driving state includes: a large throttle driving state, a non-economic speed driving state, an overspeed driving state, an ultra-long idle driving state, an idle air-conditioning driving state and a cold vehicle running driving state.
In another aspect, the present invention further provides a driving performance economy evaluation system, including:
the recording module is used for acquiring the accumulated oil consumption of various running states of the vehicle in the running process;
the screening module is used for acquiring total historical accumulated average oil consumption, total historical accumulated highest oil consumption and total historical accumulated lowest oil consumption of vehicles in various running states, which are the same as the running route and are the same as the running route;
and the optimization suggestion module is used for providing driving suggestions according to the total historical accumulated average oil consumption, the total historical accumulated highest oil consumption, the total historical accumulated lowest oil consumption and the current running accumulated oil consumption of various running states.
In some optional aspects, the recording module comprises:
the collection unit, it is used for gathering the driving data of vehicle in the course of going, includes: the system comprises a vehicle speed, an engine rotating speed, an accelerator opening, instantaneous oil consumption, an engine water temperature and an air conditioner on-off state;
the vehicle control device comprises an identification unit, a control unit and a control unit, wherein the identification unit is used for identifying the running state of a vehicle in the running process according to the vehicle speed, the engine rotating speed, the accelerator opening, the engine water temperature and the air conditioner switch state;
and the fuel consumption unit is used for calculating and recording the accumulated fuel consumption of various driving states according to the instantaneous fuel consumption and the driving states.
In some alternatives, the screening module comprises:
the screening unit is used for searching the historical driving track of the vehicle which has an overlapping area with the driving track and has the same model;
the screening unit is used for screening the historical driving tracks of all the overlapping areas and acquiring the segmented historical accumulated average oil consumption, the segmented historical accumulated highest oil consumption and the segmented historical accumulated lowest oil consumption of each driving state of each overlapping area;
and the calculating unit is used for determining the total historical accumulated average oil consumption, the total historical accumulated highest oil consumption and the total historical accumulated lowest oil consumption of various running states in the whole running track according to the segmented historical accumulated average oil consumption, the segmented historical accumulated highest oil consumption and the segmented historical accumulated lowest oil consumption of various running states in each historical overlapping track.
Compared with the prior art, the invention has the advantages that: the method comprises the steps of recording the accumulated oil consumption of various running states of a vehicle in the running process; searching and acquiring total historical accumulated average oil consumption, total historical accumulated highest oil consumption and total historical accumulated lowest oil consumption of vehicles with the same type and various driving states as the driving route; and finally, providing a driving suggestion according to the total historical accumulated average oil consumption, the total historical accumulated highest oil consumption, the total historical accumulated lowest oil consumption and the current running accumulated oil consumption of various running states. The driving states of the vehicles in the whole driving distance are analyzed adaptively, and the fuel consumption of the vehicles with the same type in various driving states on the same route is compared and analyzed, so that a certain adaptive suggestion can be given to a driver, and the fuel consumption of the next driving can be reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a flow chart of a driving performance economy evaluation method according to an embodiment of the present invention;
FIG. 2 is a flow chart illustrating the recognition of a throttle driving state according to an embodiment of the present invention;
FIG. 3 is a flow chart illustrating the identification of a non-eco-speed driving state according to an embodiment of the present invention;
FIG. 4 is a flow chart of the identification of an overspeed driving condition in accordance with an embodiment of the present invention;
FIG. 5 is a flow chart illustrating the identification of the over-long idle driving state according to an embodiment of the present invention;
FIG. 6 is a flow chart illustrating the identification of the idle air conditioner driving state according to the embodiment of the present invention;
fig. 7 is a flowchart illustrating the identification of the driving state of the cold vehicle in the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
FIG. 1 is a flow chart of a driving performance economy evaluation method according to an embodiment of the present invention; as shown in fig. 1, the present invention provides a driving behavior economy evaluation method, including the steps of:
s1: and recording the accumulated oil consumption of various running states of the vehicle in the running process.
Step S1 specifically includes the following steps.
S11: the method for acquiring the driving data of the vehicle in the driving process comprises the following steps: the system comprises the following components of vehicle speed, engine rotating speed, accelerator opening, instantaneous oil consumption, engine water temperature and air conditioner on-off state.
S12: and identifying the running state of the vehicle in the running process according to the vehicle speed, the engine rotating speed, the accelerator opening, the engine water temperature and the air conditioner switch state.
As shown in fig. 2 to 7, in some alternative embodiments, the driving state includes: a large throttle driving state, a non-economic speed driving state, an overspeed driving state, an ultra-long idle driving state, an idle air-conditioning driving state and a cold vehicle running driving state.
In the present embodiment, it is determined that the vehicle is in the large throttle running state based on the vehicle speed, the engine speed, and the accelerator opening degree, and the time at which this time the vehicle is in the large throttle running state is recorded.
Specifically, when the vehicle speed is greater than 0km/h, the engine speed is greater than 600rpm, and the accelerator opening is greater than 80%, the vehicle is determined to be in a large accelerator driving state.
At this time, the fuel consumption of the continuous large-throttle driving state is calculated according to the instantaneous fuel consumption and the time of the large-throttle driving state.
And judging that the vehicle is in a large throttle running state according to the vehicle speed and the engine speed.
Specifically, when the vehicle speed is greater than 0km/h, the engine speed is in the non-economic speed range, the vehicle is judged to be in the non-economic speed running state, and the time of the vehicle in the non-economic speed running state is recorded.
At the moment, the fuel consumption of the running state with the continuous non-economic rotating speed is calculated according to the instantaneous fuel consumption and the time of the running state with the non-economic rotating speed.
And determining that the vehicle is in an overspeed driving state according to the vehicle speed.
Specifically, when the vehicle speed is greater than 90km/h, the vehicle is judged to be in an overspeed driving state, and the time of the overspeed driving state is recorded.
At this time, the fuel consumption in the overspeed driving state is calculated from the instantaneous fuel consumption and the time in the overspeed driving state.
And determining that the vehicle is in an idle running state according to the vehicle speed and the engine speed.
Specifically, when the vehicle speed is greater than 0km/h, the engine speed is in the idle speed range, the vehicle is judged to be in the idle speed driving state, and the time of the vehicle in the idle speed driving state is recorded.
At this time, the fuel consumption of the continuous idle driving state is calculated according to the instantaneous fuel consumption and the time of the idle driving state.
And judging that the vehicle is in an idling air-conditioning running state according to the vehicle speed, the engine speed and the air-conditioning switch state.
Specifically, when the vehicle speed is greater than 0km/h, the rotating speed of the engine is in an idle speed range, the air conditioner is started, the vehicle is judged to be in an idle air conditioner running state, and the time of the vehicle in the idle air conditioner running state is recorded.
At the moment, the oil consumption of the idle air conditioner running state continuously at the time is calculated according to the instantaneous oil consumption and the time of the idle air conditioner running state.
And judging that the vehicle is in a cold running state according to the vehicle speed and the engine water temperature state.
Specifically, when the water temperature of the engine is less than 60 ℃ and the vehicle speed is greater than 20km/h, the vehicle is judged to be in the cold vehicle running state, and the time of the cold vehicle running state is recorded.
At the moment, the oil consumption of the cold vehicle running state continuously at the time is calculated according to the instantaneous oil consumption and the time of the cold vehicle running state.
S13: and calculating and recording the accumulated oil consumption of various driving states according to the instantaneous oil consumption and the driving states.
In some alternative embodiments, the formula is based on
The fuel consumption of a certain single continuous driving state is determined.
According to formula Fsumconda＝F1conda+F2conda+......+Fnconda, the cumulative fuel consumption F for a certain driving conditionsumconda。
Wherein, aiThe fuel consumption value collected at a certain moment, t is the accumulated time of a certain single continuous driving state, n is the number of times of a certain driving state, FnAnd conda is the fuel consumption of the nth single continuous driving state, T is the period of the sampling signal, and b is the gain coefficient of can communication.
In addition, according to formula FGeneral assemblyconda＝Fsum1conda+Fsum2conda+…+Fsum6conda obtains the accumulated total fuel consumption F of various driving statesGeneral assemblyconda, in the present example, determines 6 fuel-efficient driving states, Fsum6conda is the cumulative fuel consumption in the 6 th driving state.
In this embodiment, the collected driving data is also uploaded to the cloud storage. And uploading the recognized running state of the vehicle in the running process and the calculated oil consumption of various single continuous running states to a cloud storage to serve as historical running data of subsequent vehicles.
S2: and acquiring the total historical accumulated average oil consumption, the total historical accumulated highest oil consumption and the total historical accumulated lowest oil consumption of vehicles with the same driving route and the same type and in various driving states.
In some optional embodiments, step S2 specifically includes the following steps:
s21: and searching the historical driving track of the vehicle with the same model and the overlapping area with the driving track.
In this example, a vehicle of the same model as the own vehicle is searched for from the historical travel data of the vehicle already stored in the cloud storage, and there is a historical travel locus of an overlapping area on the travel locus.
S22: and screening the historical overlapping tracks of all the overlapping areas, and acquiring the segmented historical accumulated average oil consumption, the segmented historical accumulated highest oil consumption and the segmented historical accumulated lowest oil consumption of various driving states in each historical overlapping track.
In this example, the history overlapping tracks of all the overlapping areas are screened and extracted from all the history traveling tracks which are found to have the overlapping areas with the current traveling track of the vehicle. The historical overlapping track is the same as the model of the vehicle, and the overlapped historical track exists in the running track.
And calculating the oil consumption of each driving state in each historical overlapping track to obtain the segmented historical accumulated average oil consumption, the segmented historical accumulated highest oil consumption and the segmented historical accumulated lowest oil consumption of each driving state in each historical overlapping track.
S23: and determining the total historical accumulated average oil consumption, the total historical accumulated highest oil consumption and the total historical accumulated lowest oil consumption of various driving states in the whole driving track according to the segmented historical accumulated average oil consumption, the segmented historical accumulated highest oil consumption and the segmented historical accumulated lowest oil consumption of various driving states in each historical overlapping track.
In this embodiment, the historical overlapping tracks are spliced into a complete running route of the running, and the segmented historical accumulated average oil consumption, the segmented historical accumulated highest oil consumption and the segmented historical accumulated lowest oil consumption of each running state in each historical overlapping track are added to obtain the total historical accumulated average oil consumption, the total historical accumulated highest oil consumption and the total historical accumulated lowest oil consumption.
In some optional embodiments, after the total historical accumulated average oil consumption, the total historical accumulated highest oil consumption and the total historical accumulated lowest oil consumption of vehicles in various driving states, which are the same as the driving route and are the same as the driving route, of the same type of vehicle are obtained, the driving is scored according to the accumulated oil consumption of the driving state in the driving process.
For example, the large throttle driving state is graded, after the accumulated oil consumption of the large throttle driving state is obtained, the accumulated oil consumption of the large throttle driving state is graded into A grade, B grade, C grade, D grade and E grade according to the historical accumulated average oil consumption of the large throttle driving state. Specifically, the multiple of the historical accumulated average fuel consumption of the large throttle running state is compared with the accumulated fuel consumption of the large throttle running state. For example, if the current accumulated fuel consumption is 0.8-0.95 times of the historical accumulated average fuel consumption, the evaluation is good grade B; if the ratio is less than 0.8 times, the evaluation is excellent grade A; 0.95-1.05 times, the evaluation is qualified C grade; 1.05-1.2 times, the evaluation is poor grade D; if the ratio is more than 1.2 times, the evaluation is poor E grade. The range of the scoring criteria for each driving state is shown in the following table.
| Index (I) | Class A | Class B | Class C | Class D | Class E |
| Cumulative oil consumption of throttle valve | a1 | a2 | a3 | a4 | a5 |
| Non-economic rotation speed accumulated oil consumption | b1 | b2 | b3 | b4 | b5 |
| Cumulative oil consumption for overspeed driving | c1 | c2 | c3 | c4 | c5 |
| Cumulative oil consumption in cold vehicle running | d1 | d2 | d3 | d4 | d5 |
| Overlength idling accumulated oil consumption | e1 | e2 | e3 | e4 | e5 |
| Cumulative oil consumption of idling air conditioner | f1 | f2 | f3 | f4 | f5 |
Wherein a1< a2< a3< a4< a5, and for the large throttle driving state, a1 value is that the current accumulated fuel consumption is less than 0.8 time of the historical accumulated average fuel consumption; a2 is that the accumulated fuel consumption is 0.8-0.95 times of the historical accumulated average fuel consumption; the value of a3 is that the current accumulated oil consumption is 0.95-1.05 times of the historical accumulated average oil consumption, and the value of a4 is that the current accumulated oil consumption is 1.05-1.2 times of the historical accumulated average oil consumption; and a5 is the value of the current accumulated oil consumption is 1.2 times larger than the historical accumulated average oil consumption. And evaluating the non-economic speed running state, the overspeed running state, the overlong idle running state, the idle air-conditioning running state and the cold vehicle running state by the same method as the evaluation method of the large throttle running state.
Wherein, A level: 100 min, B level: 80 minutes, C grade: 60 minutes, D grade: grade E, 40 min: score 0 indicates that the base score of a particular term is higher if the fuel consumption of a particular driving state is lower.
In addition, the method can also be based on formulas
And obtaining the weight values of various driving states in the whole driving behavior. Wherein Xi is the weight coefficient of the ith running state, and the accumulated total fuel consumption F of various running statesGeneral assemblyconda，FsumiAnd conda is the cumulative fuel consumption of the i-th driving state.
In addition, the economy score is obtained according to the mode basic score and the weight coefficient of each driving state, the economy score is divided into 5 star grades, the star grades are calculated and returned according to the scores, and the result is sent to the mobile phone APP of the driver.
Economic score evaluation model
| Star grade | Five stars | Four stars | Three stars | Two stars | One star |
| Economic score | 100-80 | 79-60 | 59-40 | 39-20 | 19-0 |
S3: and providing a driving suggestion according to the total historical accumulated average oil consumption, the total historical accumulated highest oil consumption, the total historical accumulated lowest oil consumption and the current running accumulated oil consumption of various running states.
In the embodiment, firstly, the driving state with the largest difference between the total historical cumulative maximum oil consumption and the total historical cumulative minimum oil consumption is screened out, and the driver is advised to reduce the driving state;
in addition, the running state with the accumulated fuel consumption of the current running higher than the total historical accumulated average fuel consumption is screened out, and the driver is advised to reduce the running state.
In other embodiments, the historical average oil consumption, the historical maximum oil consumption and the historical minimum oil consumption of each segment may be evaluated, and the evaluation result may be pushed to the mobile phone APP of the user. Screening out the running state with the maximum difference between the highest oil consumption of the segmented history and the lowest oil consumption of the segmented history, and recommending a driver to reduce the running state when the driver runs to the region; and screening out the running state with the accumulated oil consumption higher than the segmented historical accumulated average oil consumption in each historical overlapping track, and recommending the driver to reduce the running state, so that more accurate recommendation can be made to the driver.
In another aspect, the present invention further provides a driving performance economy evaluation system, including: the system comprises a recording module, a screening module and an optimization suggestion module.
The recording module is used for recording the accumulated oil consumption of various running states of the vehicle in the running process; the screening module is used for searching and acquiring total historical accumulated average oil consumption, total historical accumulated highest oil consumption and total historical accumulated lowest oil consumption of vehicles in the same driving route and in various driving states of the same type; the optimization suggestion module is used for providing driving suggestions according to the total historical accumulated average oil consumption, the total historical accumulated highest oil consumption, the total historical accumulated lowest oil consumption and the current running accumulated oil consumption of various running states.
In some optional embodiments, the recording module comprises: the oil consumption monitoring system comprises a collecting unit, an identifying unit and an oil consumption unit.
Wherein, the collection unit is used for gathering the vehicle data of driving of vehicle in the course of traveling, includes: the system comprises a vehicle speed, an engine rotating speed, an accelerator opening, instantaneous oil consumption, an engine water temperature and an air conditioner on-off state; the recognition unit is used for recognizing the running state of the vehicle in the running process according to the vehicle speed, the engine rotating speed, the accelerator opening, the water temperature of the engine and the air conditioner switch state; the oil consumption unit is used for calculating and recording the accumulated oil consumption of various driving states according to the instantaneous oil consumption and the driving states.
In some optional embodiments, the screening module comprises: screening unit, screening unit and calculation unit.
The screening unit is used for searching the historical driving track of the vehicle which has an overlapping area with the driving track and has the same model; the screening unit is used for screening the historical driving tracks of all the overlapping areas and acquiring the segmented historical accumulated average oil consumption, the segmented historical accumulated highest oil consumption and the segmented historical accumulated lowest oil consumption of each overlapping area in various driving states; the calculating unit is used for determining the total historical accumulated average oil consumption, the total historical accumulated highest oil consumption and the total historical accumulated lowest oil consumption of various driving states in the whole driving track according to the segmented historical accumulated average oil consumption, the segmented historical accumulated highest oil consumption and the segmented historical accumulated lowest oil consumption of various driving states in each historical overlapping track.
In conclusion, the method records the accumulated oil consumption of various running states of the vehicle in the running process; searching and acquiring total historical accumulated average oil consumption, total historical accumulated highest oil consumption and total historical accumulated lowest oil consumption of vehicles with the same type and various driving states as the driving route; and finally, providing a driving suggestion according to the total historical accumulated average oil consumption, the total historical accumulated highest oil consumption, the total historical accumulated lowest oil consumption and the current running accumulated oil consumption of various running states. For example, screening out the running state with the maximum difference between the total historical cumulative maximum oil consumption and the total historical cumulative minimum oil consumption, and recommending the driver to reduce the running state; or screening the running state with the accumulated fuel consumption higher than the total historical accumulated average fuel consumption most, and recommending the driver to reduce the running state. The driving states of the vehicles in the whole driving distance are analyzed adaptively, and the fuel consumption of the vehicles with the same type in various driving states on the same route is compared and analyzed, so that a certain adaptive suggestion can be given to a driver, and the fuel consumption of the next driving can be reduced.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A driving behavior economy evaluation method is characterized by comprising the following steps:
acquiring the accumulated oil consumption of various running states of a vehicle in the running process;
acquiring total historical accumulated average oil consumption, total historical accumulated highest oil consumption and total historical accumulated lowest oil consumption of vehicles in the same type and in various running states as the running route;
and providing a driving suggestion according to the total historical accumulated average oil consumption, the total historical accumulated highest oil consumption, the total historical accumulated lowest oil consumption and the current running accumulated oil consumption of various running states.
2. The method for evaluating the economy of driving behavior according to claim 1, wherein the step of obtaining the total historical accumulated average fuel consumption, the total historical accumulated maximum fuel consumption and the total historical accumulated minimum fuel consumption of the same driving route and different driving states of the same type of vehicle comprises the following steps:
searching a historical driving track of a vehicle with the same model and an overlapping area with the current driving track;
screening out the historical overlapping tracks of all the overlapping areas, and acquiring the segmented historical accumulated average oil consumption, the segmented historical accumulated highest oil consumption and the segmented historical accumulated lowest oil consumption of various driving states in each historical overlapping track;
and determining the total historical accumulated average oil consumption, the total historical accumulated highest oil consumption and the total historical accumulated lowest oil consumption of various driving states in the whole driving track according to the segmented historical accumulated average oil consumption, the segmented historical accumulated highest oil consumption and the segmented historical accumulated lowest oil consumption of various driving states in each historical overlapping track.
3. The economic evaluation method of driving behavior of claim 1, wherein the proposing the driving advice according to the total historical accumulated average fuel consumption, the total historical accumulated maximum fuel consumption, the total historical accumulated minimum fuel consumption and the current driving accumulated fuel consumption of each driving state comprises:
screening out the running state with the maximum difference between the total historical accumulated highest oil consumption and the total historical accumulated lowest oil consumption, and recommending a driver to reduce the running state;
and screening out the running state with the accumulated fuel consumption higher than the total historical accumulated average fuel consumption at the time, and recommending the driver to reduce the running state.
4. The economic evaluation method for driving behavior of claim 1, wherein the obtaining of the accumulated fuel consumption of the vehicle in various driving states during driving comprises:
the method for acquiring the driving data of the vehicle in the driving process comprises the following steps: the system comprises a vehicle speed, an engine rotating speed, an accelerator opening, instantaneous oil consumption, an engine water temperature and an air conditioner on-off state;
identifying the running state of the vehicle in the running process according to the speed, the rotating speed of the engine, the opening degree of an accelerator, the water temperature of the engine and the on-off state of an air conditioner;
and calculating and recording the accumulated oil consumption of various driving states according to the instantaneous oil consumption and the driving states.
5. The economic evaluation method of driving behavior of claim 4, characterized in that the calculating and recording the accumulated fuel consumption of various driving states according to the instantaneous fuel consumption comprises:
according to the formula
Determining the oil consumption of a certain single continuous driving state;
according to formula Fsumconda＝F1conda+F2conda+......+Fnconda, the cumulative fuel consumption for a certain driving condition;
wherein, aiThe fuel consumption value collected at a certain moment, t is the accumulated time of a certain single continuous driving state, n is the number of times of a certain driving state, FnAnd conda is the fuel consumption of the nth single continuous driving state, T is the period of the sampling signal, and b is the gain coefficient of can communication.
6. The economic evaluation method of driving behavior of claim 1, characterized in that after obtaining the total historical accumulated average oil consumption, the total historical accumulated maximum oil consumption and the total historical accumulated minimum oil consumption of the same driving route and the same type of vehicles in various driving states, the driving is scored according to the accumulated oil consumption of the driving state in the driving.
7. The economic evaluation method of driving behavior according to claim 1, characterized in that the driving state includes: a large throttle driving state, a non-economic speed driving state, an overspeed driving state, an ultra-long idle driving state, an idle air-conditioning driving state and a cold vehicle running driving state.
8. A driving performance economy evaluation system, characterized by comprising:
the recording module is used for acquiring the accumulated oil consumption of various running states of the vehicle in the running process;
the screening module is used for acquiring total historical accumulated average oil consumption, total historical accumulated highest oil consumption and total historical accumulated lowest oil consumption of vehicles in various running states, which are the same as the running route and are the same as the running route;
and the optimization suggestion module is used for providing driving suggestions according to the total historical accumulated average oil consumption, the total historical accumulated highest oil consumption, the total historical accumulated lowest oil consumption and the current running accumulated oil consumption of various running states.
9. The economic driving behavior evaluation system of claim 8, wherein the recording module comprises:
the collection unit, it is used for gathering the driving data of vehicle in the course of going, includes: the system comprises a vehicle speed, an engine rotating speed, an accelerator opening, instantaneous oil consumption, an engine water temperature and an air conditioner on-off state;
the vehicle control device comprises an identification unit, a control unit and a control unit, wherein the identification unit is used for identifying the running state of a vehicle in the running process according to the vehicle speed, the engine rotating speed, the accelerator opening, the engine water temperature and the air conditioner switch state;
and the fuel consumption unit is used for calculating and recording the accumulated fuel consumption of various driving states according to the instantaneous fuel consumption and the driving states.
10. The economic driving behavior evaluation system of claim 8, wherein the screening module comprises:
the screening unit is used for searching the historical driving track of the vehicle which has an overlapping area with the driving track and has the same model;
the screening unit is used for screening the historical driving tracks of all the overlapping areas and acquiring the segmented historical accumulated average oil consumption, the segmented historical accumulated highest oil consumption and the segmented historical accumulated lowest oil consumption of each driving state of each overlapping area;
and the calculating unit is used for determining the total historical accumulated average oil consumption, the total historical accumulated highest oil consumption and the total historical accumulated lowest oil consumption of various running states in the whole running track according to the segmented historical accumulated average oil consumption, the segmented historical accumulated highest oil consumption and the segmented historical accumulated lowest oil consumption of various running states in each historical overlapping track.
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