CN111103147A - Vehicle fuel-saving performance testing method and computer readable storage medium - Google Patents
Vehicle fuel-saving performance testing method and computer readable storage medium Download PDFInfo
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- CN111103147A CN111103147A CN201811258598.9A CN201811258598A CN111103147A CN 111103147 A CN111103147 A CN 111103147A CN 201811258598 A CN201811258598 A CN 201811258598A CN 111103147 A CN111103147 A CN 111103147A
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Abstract
The invention discloses a vehicle fuel-saving performance testing method and a computer readable storage medium, the method comprises the following steps: selecting a test starting point and a test end point; adjusting the modified vehicle and the first unmodified vehicle of the same model to be aligned at the test starting point; acquiring first test time from a test starting point to a test ending point of a first unmodified vehicle driven by a second driver to follow a modified vehicle driven by a first driver, oil consumption of the modified vehicle and first oil consumption of the first unmodified vehicle; adjusting a first unmodified vehicle and a second unmodified vehicle of the same model to be aligned in a state at the starting point of the test; acquiring a second test time from a test starting point to a test ending point of a first unmodified vehicle driven by a second driver to follow a second unmodified vehicle driven by the first driver, and acquiring a second oil consumption of the first unmodified vehicle and an oil consumption of the second unmodified vehicle; and if the difference between the second test time and the first test time is within a preset range, calculating to obtain the oil saving amount. The invention can obtain accurate fuel saving amount.
Description
Technical Field
The invention relates to the technical field of vehicle testing, in particular to a vehicle fuel saving performance testing method and a computer readable storage medium.
Background
In the research of the vehicle fuel-saving performance, the improved vehicle fuel-saving performance needs to be verified to see whether the fuel-saving effect is generated or not, and to accurately determine the fuel-saving amount.
The fuel saving improvement of the vehicle is usually to upgrade and optimize a plurality of parts of the whole vehicle, such as upgrading engine control, upgrading gearbox strategy, improving optimal matching of transmission ratio and the like. Therefore, after the independent tests of each part are finished, the oil consumption comparison test of the whole vehicle is required to be carried out so as to determine the oil amount per hundred kilometers of the finished vehicle finally. The oil consumption is tested in the simulation environment such as an experimental dynamometer bench or a rotary drum, but the test condition of the oil consumption of the whole vehicle on the experimental rotary drum or the experimental bench is too ideal and cannot be truly reflected in the actual use condition, and the construction cost of the simulation environment such as the rotary drum is high. Therefore, a better method for the comparison test of the fuel consumption of the whole vehicle is to test on an actual road. However, compared with the test on an experimental drum or bench, the test in the real working condition is often easily interfered by the change of environmental factors, such as temperature, wind direction and speed, air humidity and the like. This results in the fact that the fuel consumption of the same test vehicle, even if it travels twice on the same road, may differ by incorporating the influence of the environmental factor variation on the fuel consumption, which is more pronounced as the time interval between two runs increases. Therefore, the fuel consumption of the same experimental vehicle before and after improvement is directly compared on the same road, and the obtained fuel-saving data contains stronger environmental factor errors.
It can be intuitively thought that if two vehicles with the same model are adopted, one vehicle is subjected to oil saving research and improvement, the other vehicle is not subjected to oil saving improvement, and meanwhile, the vehicle runs on a certain road to compare oil consumption, so that the influence of environmental factors can be eliminated. However, since it is impossible for the same driver to drive two vehicles at the same time, the fuel consumption comparison will be mixed with the influence of different driver driving behaviors, and the fuel consumption data will contain errors caused by differences in driving behaviors.
Therefore, in the actual road working condition, how to more accurately compare and test the fuel consumption difference of the same vehicle before and after the fuel saving improvement to obtain accurate fuel saving per hundred kilometers is a difficult problem.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the method for testing the fuel-saving performance of the vehicle and the computer readable storage medium can test to obtain accurate fuel-saving amount.
In order to solve the technical problems, the invention adopts the technical scheme that: a vehicle fuel saving performance test method comprises the following steps:
selecting a test starting point and a test end point, and determining a test route;
adjusting the vehicle states of the improved vehicle and the first unmodified vehicle of the same model to be aligned at the test starting point;
acquiring first test time from a test starting point to a test ending point of a first unmodified vehicle driven by a second driver to follow a modified vehicle driven by a first driver, oil consumption of the modified vehicle and first oil consumption of the first unmodified vehicle;
adjusting the vehicle states of a first unmodified vehicle and a second unmodified vehicle of the same model to be in state alignment at the test starting point;
acquiring a second test time from a test starting point to a test ending point of a first unmodified vehicle driven by a second driver to follow a second unmodified vehicle driven by the first driver, and acquiring a second oil consumption of the first unmodified vehicle and an oil consumption of the second unmodified vehicle;
and if the difference between the second test time and the first test time is within a preset range, calculating the fuel saving amount according to the fuel consumption of the improved vehicle, the first fuel consumption of the first unmodified vehicle, the second fuel consumption of the first unmodified vehicle and the fuel consumption of the second unmodified vehicle.
The invention also relates to a computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of:
selecting a test starting point and a test end point, and determining a test route;
adjusting the vehicle states of the improved vehicle and the first unmodified vehicle of the same model to be aligned at the test starting point;
acquiring first test time from a test starting point to a test ending point of a first unmodified vehicle driven by a second driver to follow a modified vehicle driven by a first driver, oil consumption of the modified vehicle and first oil consumption of the first unmodified vehicle;
adjusting the vehicle states of a first unmodified vehicle and a second unmodified vehicle of the same model to be in state alignment at the test starting point;
acquiring a second test time from a test starting point to a test ending point of a first unmodified vehicle driven by a second driver to follow a second unmodified vehicle driven by the first driver, and acquiring a second oil consumption of the first unmodified vehicle and an oil consumption of the second unmodified vehicle;
and if the difference between the second test time and the first test time is within a preset range, calculating the fuel saving amount according to the fuel consumption of the improved vehicle, the first fuel consumption of the first unmodified vehicle, the second fuel consumption of the first unmodified vehicle and the fuel consumption of the second unmodified vehicle.
The invention has the beneficial effects that: adjusting the state of the vehicle to be aligned at the test starting point, and eliminating errors caused by vehicle state differences; by enabling one vehicle to follow another vehicle, the influence of the environment and the traffic on the two vehicles in the test process is the same; the difference value of the oil consumption caused by the driving behaviors of the two drivers can be obtained by testing the two drivers driving the unmodified vehicle; the environment influence and the traffic influence of the improved vehicle and the unmodified vehicle in the test process are the same, and the difference value of the oil consumption caused by the driving behaviors of two drivers is calculated, so that the accurate oil saving amount can be obtained through testing. The invention can eliminate the influence of natural environment on oil consumption, the influence of traffic flow conditions on oil consumption and the influence of driving behaviors on oil consumption, obtain accurate oil saving amount through testing and improve the accuracy of oil saving performance testing.
Drawings
FIG. 1 is a flow chart of a method for testing fuel saving performance of a vehicle according to the present invention;
fig. 2 is a flowchart of a method according to a first embodiment of the invention.
Detailed Description
In order to explain technical contents, objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
The most key concept of the invention is as follows: the test is carried out twice by utilizing 3 experimental vehicles and 2 drivers, the test is carried out by using the vehicle before the improvement and the vehicle after the improvement for the first time, the test is carried out by using the vehicle before the improvement for the second time, the tested vehicle is adjusted to be aligned to the state before the test, and the vehicle is driven along with the other vehicle during the test.
The noun explains:
single trip roadster: refers to a vehicle travel from the start to the end of the selected test route.
And (3) state alignment: before a single-trip roadster test is carried out, all states of all vehicles participating in roadster are adjusted to be consistent, including all oil levels such as oil tank full, cooling liquid lubricating liquid and the like are kept consistent, all states of the vehicles such as full-closed vehicle windows, consistent air conditioner gears, consistent tire pressure and the like are adjusted to be consistent.
Referring to fig. 1, a method for testing fuel saving performance of a vehicle includes:
selecting a test starting point and a test end point, and determining a test route;
adjusting the vehicle states of the improved vehicle and the first unmodified vehicle of the same model to be aligned at the test starting point;
acquiring first test time from a test starting point to a test ending point of a first unmodified vehicle driven by a second driver to follow a modified vehicle driven by a first driver, oil consumption of the modified vehicle and first oil consumption of the first unmodified vehicle;
adjusting the vehicle states of a first unmodified vehicle and a second unmodified vehicle of the same model to be in state alignment at the test starting point;
acquiring a second test time from a test starting point to a test ending point of a first unmodified vehicle driven by a second driver to follow a second unmodified vehicle driven by the first driver, and acquiring a second oil consumption of the first unmodified vehicle and an oil consumption of the second unmodified vehicle;
and if the difference between the second test time and the first test time is within a preset range, calculating the fuel saving amount according to the fuel consumption of the improved vehicle, the first fuel consumption of the first unmodified vehicle, the second fuel consumption of the first unmodified vehicle and the fuel consumption of the second unmodified vehicle.
From the above description, the beneficial effects of the present invention are: the accurate fuel saving amount can be obtained through testing, and the accuracy of the fuel saving performance test is improved.
Further, still include:
and if the difference between the second test time and the first test time is not within a preset range, returning to the step of adjusting the vehicle states of the first unmodified vehicle and the second unmodified vehicle of the same model to be aligned at the test starting point.
From the above description, it can be known that the test accuracy is further improved by ensuring that the time difference between the two tests is not too large.
Further, the step of calculating the fuel saving amount according to the fuel consumption of the improved vehicle, the first fuel consumption of the first unmodified vehicle, the second fuel consumption of the first unmodified vehicle and the fuel consumption of the second unmodified vehicle is specifically as follows:
according to the formula Y ═ FU1 1-FE)-(FU1 2-FU2) Calculating to obtain the fuel saving amount, wherein Y is the fuel saving amount, and FU1 1For a first fuel consumption of a first unmodified vehicle, said FETo improve fuel consumption of the vehicle, FU1 2For a second fuel consumption of the first unmodified vehicle, said FU2The fuel consumption of the second unmodified vehicle.
The invention also proposes a computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of:
selecting a test starting point and a test end point, and determining a test route;
adjusting the vehicle states of the improved vehicle and the first unmodified vehicle of the same model to be aligned at the test starting point;
acquiring first test time from a test starting point to a test ending point of a first unmodified vehicle driven by a second driver to follow a modified vehicle driven by a first driver, oil consumption of the modified vehicle and first oil consumption of the first unmodified vehicle;
adjusting the vehicle states of a first unmodified vehicle and a second unmodified vehicle of the same model to be in state alignment at the test starting point;
acquiring a second test time from a test starting point to a test ending point of a first unmodified vehicle driven by a second driver to follow a second unmodified vehicle driven by the first driver, and acquiring a second oil consumption of the first unmodified vehicle and an oil consumption of the second unmodified vehicle;
and if the difference between the second test time and the first test time is within a preset range, calculating the fuel saving amount according to the fuel consumption of the improved vehicle, the first fuel consumption of the first unmodified vehicle, the second fuel consumption of the first unmodified vehicle and the fuel consumption of the second unmodified vehicle.
Further, still include:
and if the difference between the second test time and the first test time is not within a preset range, returning to the step of adjusting the vehicle states of the first unmodified vehicle and the second unmodified vehicle of the same model to be aligned at the test starting point.
Further, the step of calculating the fuel saving amount according to the fuel consumption of the improved vehicle, the first fuel consumption of the first unmodified vehicle, the second fuel consumption of the first unmodified vehicle and the fuel consumption of the second unmodified vehicle is specifically as follows:
according to the formula Y ═ FU1 1-FE)-(FU1 2-FU2) Calculating to obtain the fuel saving amount, wherein Y is the fuel saving amount, and FU1 1For a first fuel consumption of a first unmodified vehicle, said FETo improve fuel consumption of the vehicle, FU1 2For a second fuel consumption of the first unmodified vehicle, said FU2The fuel consumption of the second unmodified vehicle.
Example one
Referring to fig. 2, a first embodiment of the present invention is: a vehicle fuel-saving performance test method, this method utilizes 3 experimental cars and 2 drivers, carry on the fuel-economizing and reequip and compare and calculate the actual fuel-economizing amount accurately on the real road working condition, wherein, 3 experimental cars are a car that has carried on the fuel-economizing and improved separately, mark as E car, and two and E car the same model does not pass the fuel-economizing and improved car, mark as U1 car and U2 car separately; the two drivers are respectively designated as Driver1 and Driver 2.
During the test, the expression for fuel consumption for a single trip was: f is a + C + T + D, where F represents the total fuel consumption (unit liter, the same applies below) measured by a single racing car, C represents the amount of influence of natural environment such as climate, temperature, wind direction, etc. on fuel consumption, T represents the amount of influence of traffic flow conditions on fuel consumption, D represents the amount of influence of driving behavior on fuel consumption, and a represents fuel consumption without being influenced by natural environment, traffic flow, driving behavior.
As shown in fig. 2, the method comprises the steps of:
s1: and selecting a test starting point and a test end point, and determining a test route.
S2: the vehicle status of the modified vehicle E and the first unmodified vehicle U1 of the same model are adjusted to status alignment at the test start point.
S3: acquiring first test time from a test starting point to a test ending point of a first unmodified vehicle driven by a second driver to follow a modified vehicle driven by a first driver, oil consumption of the modified vehicle and first oil consumption of the first unmodified vehicle; that is, a first Driver1 drives the E vehicle to drive from a test starting point to a test ending point, a Driver2 drives the U1 vehicle to follow the E vehicle, the Time1 spent on the test is recorded after the test is finished, and the fuel consumption F of the E vehicle is recordedEAnd fuel consumption F of U1 vehicleU1 1Here, the unit of fuel consumption is in liters.
Specifically, in this test, the fuel consumption F of the E vehicleEIs expressed by the following first formula, and the fuel consumption F of the U1 vehicleU1 1Is shown in the following second formula;
the first formula: fE＝AE+CE+TE+DDriver1；
The second formula: fU1 1＝A1+CU1 1+TU1 1+DDriver2；
Wherein A isEShows the accurate oil consumption of the vehicle E after the fuel saving improvement under the condition that the vehicle E is not influenced by natural environment, traffic flow and driving behavior on a test route, A1Representation U1The accurate oil consumption of the vehicle on the test route is not influenced by natural environment, traffic flow and driving behavior; cE、CU1 1The influence of natural environments such as climate temperature and the like on the fuel consumption in the sports car is shown; t isE、TU1 1Representing the influence quantity of the traffic flow condition in the sports car on the fuel consumption; dDriver1Shows the influence of the driving behavior of the Driver1 on the fuel consumption, DDriver2The amount of influence of the driving behavior of the Driver2 on the fuel consumption is shown.
S4: the first unmodified vehicle U1 is driven back to the test start point where the vehicle status of the first unmodified vehicle U1 and the second unmodified vehicle U2 of the same model are adjusted to status alignment.
S5: acquiring a second test time from a test starting point to a test ending point of a first unmodified vehicle driven by a second driver to follow a second unmodified vehicle driven by the first driver, and acquiring a second oil consumption of the first unmodified vehicle and an oil consumption of the second unmodified vehicle; that is, the first Driver1 drives the U2 vehicle to drive from the test starting point to the test ending point, the Driver2 drives the U1 vehicle to follow the U2 vehicle, the Time2 spent in the test is recorded after the test is finished, and the fuel consumption F of the U1 vehicle is recordedU1 2And fuel consumption F of U2 vehicleU2。
In this test, the fuel consumption of the U1 vehicle FU1 2Is expressed by the following third formula, the fuel consumption F of the U2 vehicleU2Is represented by the following fourth formula;
the third formula: fU1 2＝A2+CU1 2+TU1 2+D’Driver2；
The fourth formula: fU2＝A3+CU2+TU2+D’Driver1；
Wherein A is2、A3The accurate oil consumption of U1 vehicles and U2 vehicles of the same model under the influence of natural environment, traffic flow and driving behaviors on a test route is represented; cU1 2、CU2Natural ring for indicating weather temperature and temperature in the sports carAmount of environmental impact on fuel consumption, TU1 2、TU2The influence D 'of the traffic flow situation on the fuel consumption in the sports car is shown'Driver1Shows the influence D 'of the driving behavior of the Driver1 on the fuel consumption'Driver2The amount of influence of the driving behavior of the Driver2 on the fuel consumption is shown.
S6: and judging whether the difference between the second test time and the first test time is within a preset range, if so, executing the step S7, otherwise, testing the first unmodified vehicle and the second unmodified vehicle again, and returning to execute the step S4. Preferably, the preset range is 1%, i.e., whether the Time1 × 99% ≦ Time2 ≦ Time1 × 101% is satisfied for the first test Time1 and the second test Time 2.
S7: and calculating the fuel saving amount according to the fuel consumption of the modified vehicle, the first fuel consumption of the first unmodified vehicle, the second fuel consumption of the first unmodified vehicle and the fuel consumption of the second unmodified vehicle.
For the first and second formulas, since the U1 vehicle is driven following the E vehicle, the environment and traffic influence on the two vehicles are the same, and therefore, C is the sameE＝CU1 1，TE＝TU1 1。
Subtracting the first formula from the second formula may cancel out an equal amount of the first formula, resulting in:
X1＝FU1 1-FE＝(A1-AE)+(DDriver2-DDriver1)；
for the third and fourth formulas described above, since the models of the U1 cars and the U2 cars are the same and the state alignment is performed before the departure, a2＝A3(ii) a Since the U1 car follows the U2 car, the environment and traffic impact on the two cars are the same, and therefore, CU1 2＝CU2，TU1 2＝TU2。
Subtracting the fourth equation from the third equation can cancel out the equality of the fourth equation to obtain:
X2＝FU1 2-FU2＝D’Driver2-D’Driver1；
wherein, X1A in (A)1-AENamely the actual accurate oil saving amount, but X1The fuel consumption difference D caused by the driving behaviors of two drivers is also includedDriver2-DDriver1。
However, in both tests, D was determined to be stable due to the driving behavior of the same driverDriver1＝D’Driver1，DDriver2＝D’Driver2. Thus, X2And X1D in (1)Driver2-DDriver1Are equal.
Therefore, the accurate fuel saving amount Y of the vehicle E after fuel saving improvement on the test route relative to the vehicle before refitting of the same vehicle type is as follows:
Y＝X1-X2＝(A1-AE)+(DDriver2-DDriver1)-(D’Driver2-D’Driver1)＝A1-AE
furthermore, since the fuel consumption of the vehicle is generally expressed in liters/hundred kilometers, assuming that the distance from the test starting point to the test ending point is L kilometers, the fuel consumption of Y is converted into the fuel consumption of hundred kilometers, which is Q100 × Y/L, that is, after the fuel saving is improved, the accurate fuel saving of the vehicle is Q.
In the embodiment, the 3 experimental vehicles and 2 drivers are used for carrying out tests twice, the influence of the natural environment on the oil consumption, the influence of the traffic flow condition on the oil consumption and the influence of the driving behavior on the oil consumption can be eliminated, the accurate oil saving amount is obtained through the tests, and the accuracy of the oil saving performance test is improved.
Example two
The present embodiment is a computer-readable storage medium corresponding to the above-mentioned embodiments, on which a computer program is stored, which when executed by a processor, performs the steps of:
selecting a test starting point and a test end point, and determining a test route;
adjusting the vehicle states of the improved vehicle and the first unmodified vehicle of the same model to be aligned at the test starting point;
acquiring first test time from a test starting point to a test ending point of a first unmodified vehicle driven by a second driver to follow a modified vehicle driven by a first driver, oil consumption of the modified vehicle and first oil consumption of the first unmodified vehicle;
adjusting the vehicle states of a first unmodified vehicle and a second unmodified vehicle of the same model to be in state alignment at the test starting point;
acquiring a second test time from a test starting point to a test ending point of a first unmodified vehicle driven by a second driver to follow a second unmodified vehicle driven by the first driver, and acquiring a second oil consumption of the first unmodified vehicle and an oil consumption of the second unmodified vehicle;
and if the difference between the second test time and the first test time is within a preset range, calculating the fuel saving amount according to the fuel consumption of the improved vehicle, the first fuel consumption of the first unmodified vehicle, the second fuel consumption of the first unmodified vehicle and the fuel consumption of the second unmodified vehicle.
Further, still include:
and if the difference between the second test time and the first test time is not within a preset range, returning to the step of adjusting the vehicle states of the first unmodified vehicle and the second unmodified vehicle of the same model to be aligned at the test starting point.
Further, the step of calculating the fuel saving amount according to the fuel consumption of the improved vehicle, the first fuel consumption of the first unmodified vehicle, the second fuel consumption of the first unmodified vehicle and the fuel consumption of the second unmodified vehicle is specifically as follows:
according to the formula Y ═ FU1 1-FE)-(FU1 2-FU2) Calculating to obtain the fuel saving amount, wherein Y is the fuel saving amount, and FU1 1For a first fuel consumption of a first unmodified vehicle, said FETo improve fuel consumption of the vehicle, FU1 2For a second fuel consumption of the first unmodified vehicle, said FU2The fuel consumption of the second unmodified vehicle.
In summary, the method for testing fuel saving performance of a vehicle and the computer-readable storage medium provided by the present invention adjust the state of the vehicle to the state alignment at the starting point of the test, so as to eliminate the error caused by the difference of the vehicle states; by enabling one vehicle to follow another vehicle, the influence of the environment and the traffic on the two vehicles in the test process is the same; the fuel consumption difference caused by the driving behaviors of the two drivers can be obtained by testing the two drivers driving the unmodified vehicle; the method can test and obtain accurate fuel saving amount by ensuring that the environmental influence and traffic influence of the improved vehicle and the unmodified vehicle in the test process are the same and calculating to obtain the fuel consumption difference value caused by the driving behaviors of two drivers. The invention can eliminate the influence of natural environment on fuel consumption, the influence of traffic flow conditions on fuel consumption and the influence of driving behaviors on fuel consumption, obtain accurate fuel saving amount by testing and improve the accuracy of fuel saving performance testing.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (6)
1. A vehicle fuel-saving performance test method is characterized by comprising the following steps:
selecting a test starting point and a test end point, and determining a test route;
adjusting the vehicle states of the improved vehicle and the first unmodified vehicle of the same model to be aligned at the test starting point;
acquiring first test time from a test starting point to a test ending point of a first unmodified vehicle driven by a second driver to follow a modified vehicle driven by a first driver, oil consumption of the modified vehicle and first oil consumption of the first unmodified vehicle;
adjusting the vehicle states of a first unmodified vehicle and a second unmodified vehicle of the same model to be in state alignment at the test starting point;
acquiring a second test time from a test starting point to a test ending point of a first unmodified vehicle driven by a second driver to follow a second unmodified vehicle driven by the first driver, and acquiring a second oil consumption of the first unmodified vehicle and an oil consumption of the second unmodified vehicle;
and if the difference between the second test time and the first test time is within a preset range, calculating the fuel saving amount according to the fuel consumption of the improved vehicle, the first fuel consumption of the first unmodified vehicle, the second fuel consumption of the first unmodified vehicle and the fuel consumption of the second unmodified vehicle.
2. The vehicle fuel saving performance test method according to claim 1, characterized by further comprising:
and if the difference between the second test time and the first test time is not within a preset range, returning to the step of adjusting the vehicle states of the first unmodified vehicle and the second unmodified vehicle of the same model to be aligned at the test starting point.
3. The vehicle fuel saving performance test method according to claim 1, wherein the fuel saving amount calculated according to the fuel consumption of the improved vehicle, the first fuel consumption of the first unmodified vehicle, the second fuel consumption of the first unmodified vehicle and the fuel consumption of the second unmodified vehicle is specifically:
according to the formula Y ═ FU1 1-FE)-(FU1 2-FU2) Calculating to obtain the fuel saving amount, wherein Y is the fuel saving amount, and FU1 1For a first fuel consumption of a first unmodified vehicle, said FETo improve fuel consumption of the vehicle, FU1 2For a second fuel consumption of the first unmodified vehicle, said FU2The fuel consumption of the second unmodified vehicle.
4. A computer-readable storage medium, on which a computer program is stored, which program, when executed by a processor, carries out the steps of:
selecting a test starting point and a test end point, and determining a test route;
adjusting the vehicle states of the improved vehicle and the first unmodified vehicle of the same model to be aligned at the test starting point;
acquiring first test time from a test starting point to a test ending point of a first unmodified vehicle driven by a second driver to follow a modified vehicle driven by a first driver, oil consumption of the modified vehicle and first oil consumption of the first unmodified vehicle;
adjusting the vehicle states of a first unmodified vehicle and a second unmodified vehicle of the same model to be in state alignment at the test starting point;
acquiring a second test time from a test starting point to a test ending point of a first unmodified vehicle driven by a second driver to follow a second unmodified vehicle driven by the first driver, and acquiring a second oil consumption of the first unmodified vehicle and an oil consumption of the second unmodified vehicle;
and if the difference between the second test time and the first test time is within a preset range, calculating the fuel saving amount according to the fuel consumption of the improved vehicle, the first fuel consumption of the first unmodified vehicle, the second fuel consumption of the first unmodified vehicle and the fuel consumption of the second unmodified vehicle.
5. The vehicle fuel saving performance test method according to claim 3, characterized by further comprising:
and if the difference between the second test time and the first test time is not within a preset range, returning to the step of adjusting the vehicle states of the first unmodified vehicle and the second unmodified vehicle of the same model to be aligned at the test starting point.
6. The vehicle fuel saving performance test method according to claim 3, wherein the fuel saving amount calculated according to the fuel consumption of the improved vehicle, the first fuel consumption of the first unmodified vehicle, the second fuel consumption of the first unmodified vehicle and the fuel consumption of the second unmodified vehicle is specifically:
according to the formula Y ═ FU1 1-FE)-(FU1 2-FU2) Calculating to obtain the fuel saving amount, wherein Y is the fuel saving amount, and FU1 1First fuel consumption for first unmodified vehicleAmount of the FETo improve fuel consumption of the vehicle, FU1 2For a second fuel consumption of the first unmodified vehicle, said FU2The fuel consumption of the second unmodified vehicle.
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