CN115240293A - Vehicle road driving data analysis method - Google Patents
Vehicle road driving data analysis method Download PDFInfo
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- CN115240293A CN115240293A CN202210795987.5A CN202210795987A CN115240293A CN 115240293 A CN115240293 A CN 115240293A CN 202210795987 A CN202210795987 A CN 202210795987A CN 115240293 A CN115240293 A CN 115240293A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0808—Diagnosing performance data
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/02—Registering or indicating driving, working, idle, or waiting time only
- G07C5/06—Registering or indicating driving, working, idle, or waiting time only in graphical form
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Abstract
The application provides a vehicle road driving data analysis method, relates to the technical field of engines, and specifically comprises the following steps: s1, collecting data; s2, conveying data, and pasting the data on an Excel electronic watch; s3, processing and analyzing data, comprising the following steps: a. calculating the oil consumption and mileage; b. calculating external characteristic data; c. drawing a time-cooling water temperature curve chart of the acquired data, and drawing a time-fan rotating speed curve chart; d. and (4) counting the ratio of each vehicle speed, the ratio of each engine speed, the ratio of each vehicle gear, the ratio of each accelerator opening, the ratio of each gear fuel consumption, the ratio of each remaining engine state and the ratio of vehicle state, and drawing. The method and the device solve the problem that the driving state of the vehicle can only be sensed and observed through the feeling of a driver and the display of the cab instrument, and are beneficial to accurate evaluation of the vehicle.
Description
Technical Field
The application relates to the technical field of engines, in particular to a vehicle road driving data analysis method.
Background
When a vehicle runs on a road, the oil consumption of the vehicle cannot be high, the rotating speed of an engine is not in an economic and oil-saving area, the maximum vehicle speed can be reached, whether the water temperature is normal, the specific hundred kilometer oil consumption of the vehicle, the idling oil consumption and the oil consumption of each gear, whether the engine is limited, whether an air inlet system of the engine leaks air, whether the design of a cooling system is reasonable, whether the configuration of the speed ratio of a gearbox and a rear axle is reasonable, whether the temperature strategy of a fan-controlled cooling liquid is reasonable, whether the driving behavior of a driver is reasonable and the like, and detailed numerical values and accurate judgment cannot be obtained through the driver feeling and instrument display.
To solve the above problems, currently only the driver's experience and the display of the cab instrument can be used to feel and observe: the opening degree of the accelerator is small, the instantaneous oil consumption of an instrument, the instantaneous rotating speed of an engine, the instantaneous speed of a vehicle, the instantaneous temperature of a vehicle coolant and the like are measured, so that the vehicle can be simply and preliminarily judged and evaluated, detailed analysis and statistics cannot be carried out, and the vehicle cannot be accurately evaluated.
Disclosure of Invention
In order to overcome the existing defects, the embodiment of the application provides a vehicle road driving data analysis method, which can solve the problem that the driving state of a vehicle can only be sensed and observed through the driver feeling and the display of a cab instrument, and is beneficial to accurately evaluating the vehicle.
The technical scheme adopted by the embodiment of the application for solving the technical problem is as follows: a vehicle road driving data analysis method specifically comprises the following steps:
s1, collecting data and ECU data of an engine;
s2, data are conveyed, and the data acquired in the step S1 are pasted on an Excel electronic watch;
s3, processing and analyzing data, wherein the method comprises the following steps:
a. calculating oil consumption and mileage, and respectively calculating transient fuel oil consumption, total fuel oil consumption, transient driving mileage, fuel oil consumption per kilometer, fuel oil consumption per hundred kilometers, accumulated fuel oil consumption and accumulated mileage of each gear, fuel oil consumption per kilometer of each gear, and fuel oil consumption per kilometer of each gear by using a related function calculation formula in an Excel electronic watch
Oil consumption value;
b. calculating external characteristic data, drawing an envelope curve chart of the rotating speed and the circulating fuel injection quantity in an Excel electronic watch, drawing a scatter diagram of the rotating speed and the circulating fuel injection quantity of the engine, and judging whether the engine is torque-limited or not; drawing an envelope curve chart of the rotating speed and the air inlet pressure, drawing a scatter diagram of the rotating speed and the air inlet pressure of the engine, and judging whether an air inlet system of the engine leaks air;
c. drawing a time-cooling water temperature curve chart by using the acquired engine ECU data, drawing a time-fan rotating speed curve chart, and judging whether a strategy for controlling the rotating speed of the fan by using the water temperature is available
The method is reasonable;
d. the proportion of each vehicle speed, the proportion of each engine speed, the proportion of each vehicle gear, the proportion of each accelerator opening, the proportion of each gear fuel consumption, the proportion of each other engine state and the proportion of vehicle state can be respectively counted by using a condition, counting and summing formula, and whether the control of a driver on the engine and the vehicle is reasonable or not is analyzed by drawing respectively.
In a specific embodiment, the data of the engine ECU collected in step S1 is collected through an OBD interface of the entire vehicle.
In a specific embodiment, the data pasted on the Excel electronic watch in the step S2 comprises an engine speed value, an engine transient cycle fuel injection quantity value, a transient time value, an engine speed value, a vehicle speed value, an air inlet pressure value, a water temperature value, a fan speed value, a gear value and an accelerator opening value.
In a specific embodiment, in the substep a in the step S3, the transient fuel consumption is determined by using a correlation function formula in an Excel table according to the engine speed, the transient cycle fuel injection amount of the engine and the transient time.
In a specific embodiment, in the substep a in the step S3, the transient fuel consumption is determined by using a correlation function formula in an Excel table according to the engine speed, the transient cycle fuel injection amount of the engine and the transient time.
In a specific embodiment, the total fuel consumption is obtained by summing the transient fuel consumption in the substep a of step S3 by using a summation formula in an Excel table.
In a specific embodiment, in the substep a of step S3, the transient vehicle speed and the transient time are calculated by using a formula to obtain the transient mileage, and the total mileage is obtained by summing the transient mileage by using a summation formula.
In a specific embodiment, in the substep a of step S3, the total fuel consumption is divided by the total driving range by using a formula to obtain the fuel consumption per kilometer, and then the fuel consumption per kilometer is multiplied by 100 to obtain the fuel consumption per hundred kilometers.
In a specific embodiment, in the substep a of the step S3, the accumulated fuel consumption and the accumulated mileage of each gear are calculated by using a conditional summation formula.
In a specific embodiment, in the substep a in the step S3, the fuel consumption of each gear is divided by the driving mileage of each gear by using a formula to obtain the fuel consumption of each corresponding gear per kilometer, and on this basis, the fuel consumption of each gear per kilometer is multiplied by 100 to obtain the fuel consumption of each gear per kilometer.
In a specific embodiment, the step b of step S3 is performed by plotting an envelope graph of the rotation speed and the cycle fuel injection amount and plotting a dispersion graph of the rotation speed and the cycle fuel injection amount of the engine on the same graph, the step c of step S3 is performed by plotting an envelope graph of the rotation speed and the intake air pressure and plotting a graph of the rotation speed and the intake air pressure on the same graph, and the step c of step S3 is performed by plotting a time-cooling water temperature graph and a time-fan rotation speed graph on the same graph.
The embodiment of the application has the advantages that:
compared with the prior art that the driving performance of the vehicle is simply sensed and observed through the feeling of a driver and the display of a cab instrument, the method calculates the values of transient fuel consumption, total fuel consumption, transient driving mileage, fuel consumption per kilometer, fuel consumption per hundred kilometers, accumulated fuel consumption and accumulated mileage of each gear, fuel consumption per kilometer of each gear, fuel consumption per hundred kilometers of each gear and the like by collecting engine ECU data, can judge whether the engine is limited or not, whether an air inlet system leaks air and the like, analyzes the states of the engine and the vehicle, certain control strategies of the vehicle, the driving rule of the vehicle, the characteristics of the driver for driving the vehicle, the driving habit of the driver and the like, analyzes the performances of the engine and the vehicle, is beneficial to the driver to finding and solving the problems, reducing the occurrence of faults and reducing the maintenance cost, can improve the sales volume of the vehicle, improve the market reservation of the vehicle, and bring great benefits to customers and companies.
Drawings
Fig. 1 is a flow chart of a method for analyzing road driving data of a vehicle according to the present invention.
Detailed Description
In order to solve the problem that the driving state of the vehicle can only be sensed and observed through the feeling of a driver and the display of a cab instrument, the general idea is as follows:
referring to fig. 1, a method for analyzing vehicle road driving data includes the following steps:
s1, collecting data and collecting ECU data of an engine.
And the data of the engine ECU acquired in the step S1 is acquired through an OBD interface of the whole vehicle.
And S2, conveying data, and pasting the data acquired in the step S1 on an Excel electronic watch.
The data pasted on the Excel electronic watch in the step S2 comprise an engine rotating speed value, an engine transient cycle fuel injection quantity value, a transient time value, an engine rotating speed value, a vehicle speed value, an air inlet pressure value, a water temperature value, a fan rotating speed value, a gear value and an accelerator opening value. It should be noted that the pasted data further includes other state data capable of assisting in judging whether the engine state is normal.
S3, processing and analyzing data, wherein the method comprises the following steps:
a. calculating the oil consumption and the mileage, and respectively calculating the transient fuel oil consumption, the total fuel oil consumption, the transient driving mileage, the fuel oil consumption per kilometer, the fuel oil consumption per hundred kilometers, the accumulated fuel oil consumption and the accumulated mileage of each gear, the fuel oil consumption per kilometer of each gear and the fuel oil consumption value per hundred kilometer of each gear by utilizing a related function calculation formula in an Excel electronic watch.
And in the sub-step a in the step S3, the transient fuel consumption is calculated by utilizing a correlation function formula in an Excel table through the engine speed, the transient cycle fuel injection quantity of the engine and the transient time.
And (c) in the substep a in the step (S3), summing the transient fuel consumption by using a summing formula in an Excel table to obtain the total fuel consumption.
In the sub-step a in the step S3, the transient speed and the transient time are calculated by using a formula to obtain the transient driving range, and the transient driving range is summed by using a summation formula to obtain the total driving range.
In the sub-step a of the step S3, the total fuel consumption is divided by the total driving range by a formula to obtain the fuel consumption per kilometer, and then the fuel consumption per kilometer is multiplied by 100 to obtain the fuel consumption per hundred kilometers.
In the substep a of the step S3, the accumulated fuel consumption and the accumulated mileage of each gear are calculated by using a conditional summation formula.
In the step a of the step S3, the fuel consumption of each gear is divided by the mileage of each gear by using a formula to obtain the fuel consumption of the corresponding gear per kilometer, and on this basis, the fuel consumption of the gear per kilometer is obtained by multiplying the fuel consumption by 100.
b. Calculating external characteristic data, drawing an envelope curve chart of the rotating speed and the circulating fuel injection quantity in an Excel electronic watch, drawing a scatter diagram of the rotating speed and the circulating fuel injection quantity of the engine, and judging whether the engine is torque-limited or not; and drawing an envelope curve chart of the rotating speed and the air inlet pressure, drawing a scatter diagram of the rotating speed and the air inlet pressure of the engine, and judging whether an air inlet system of the engine leaks air.
In the application, the engine speed value, the circulating fuel injection quantity and the air inlet pressure value are external characteristic data.
In the sub-step b of the step S3, the drawing of the envelope curve diagram of the rotation speed and the cyclic fuel injection amount and the drawing of the rotation speed and the cyclic fuel injection amount scatter diagram of the engine are completed on the same graph, and the drawing of the envelope curve diagram of the rotation speed and the intake pressure and the drawing of the rotation speed and the intake pressure scatter diagram of the engine are also completed on the same graph. Wherein, drawing the data on the same graph is helpful for intuitively knowing whether the air leakage condition of the air intake system or the torque limit of the engine exists.
c. And drawing a time-cooling water temperature curve chart according to the acquired engine ECU data, drawing a time-fan rotating speed curve chart, and judging whether the strategy of controlling the rotating speed of the fan by water temperature is reasonable.
The time-cooling water temperature graph and the time-fan speed graph are plotted in the substep c of the step S3 on the same graph. The data are drawn on the same graph, and whether the strategy for controlling the rotating speed of the fan by the water temperature is reasonable or not is judged more clearly.
d. The proportion of each vehicle speed, the proportion of each engine speed, the proportion of each vehicle gear, the proportion of each accelerator opening, the proportion of each gear fuel consumption, the proportion of each other engine states and the proportion of vehicle states can be respectively counted by using a condition, counting and summing formula, and whether the control of a driver on the engine and the vehicle is reasonable or not is analyzed by respectively drawing. Meanwhile, an engine speed-vehicle speed distribution graph is drawn, and whether the speed of each gear reaches is timely and reasonable or not and the gear shifting is timely and reasonable can be analyzed.
It should be further noted that the above specific formula calculated by using the Excel function is applied to the prior art, and is not described herein again.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (10)
1. A vehicle road driving data analysis method is characterized by comprising the following steps:
s1, collecting data and ECU data of an engine;
s2, conveying data, and pasting the data acquired in the step S1 on an Excel electronic watch;
s3, processing and analyzing data, wherein the method comprises the following steps:
a. calculating oil consumption and mileage, and respectively calculating transient fuel oil consumption, total fuel oil consumption, transient driving mileage, fuel oil consumption per kilometer, fuel oil consumption per hundred kilometers, accumulated fuel oil consumption and accumulated mileage of each gear, fuel oil consumption per kilometer of each gear and fuel oil consumption of each gear per hundred kilometers by using a related function calculation formula in an Excel electronic watch;
b. calculating external characteristic data, drawing an envelope curve chart of the rotating speed and the circulating fuel injection quantity in an Excel electronic watch, drawing a scatter diagram of the rotating speed and the circulating fuel injection quantity of the engine, and judging whether the engine is torque-limited or not; drawing an envelope curve chart of the rotating speed and the air inlet pressure, drawing a scatter diagram of the rotating speed and the air inlet pressure of the engine, and judging whether an air inlet system of the engine leaks air or not;
c. drawing a time-cooling water temperature curve chart of the acquired engine ECU data, drawing a time-fan rotating speed curve chart, and judging whether a strategy for controlling the rotating speed of the fan by water temperature is reasonable;
d. the proportion of each vehicle speed, the proportion of each engine speed, the proportion of each vehicle gear, the proportion of each accelerator opening, the proportion of each gear fuel consumption, the proportion of each other engine state and the proportion of vehicle state can be respectively counted by using a condition, counting and summing formula, and whether the control of a driver on the engine and the vehicle is reasonable or not is analyzed by drawing respectively.
2. The method for analyzing the road running data of the vehicle according to claim 1, wherein the data of the engine ECU collected in the step S1 is collected through an OBD interface of the whole vehicle.
3. The method for analyzing data on the road running of a vehicle according to claim 1, wherein the data pasted on the Excel electronic timepiece in the step S2 includes an engine speed value, an engine transient cycle fuel injection quantity value, a transient time value, an engine speed value, a vehicle speed value, an intake air pressure value, a water temperature value, a fan speed value, a gear value, and an accelerator opening value.
4. A method for analyzing road running data of a vehicle as claimed in claim 3, wherein in the substep a of step S3, the transient fuel consumption is determined from the engine speed, the transient cycle fuel injection amount of the engine and the transient time by using a correlation function formula in an Excel table.
5. The method for analyzing data on vehicle road running according to claim 4, wherein the total fuel consumption is obtained by summing the transient fuel consumption in the substep a of step S3 by using a summation formula in an Excel table.
6. The method as claimed in claim 5, wherein the step a of step S3 is to calculate the instantaneous vehicle speed and the instantaneous time to obtain the instantaneous mileage by using a formula, and to sum the instantaneous mileage by using a sum formula to obtain the total mileage.
7. The method as claimed in claim 6, wherein the step a of step S3 is performed to obtain the fuel consumption per kilometer by dividing the total fuel consumption by the total driving range, and then multiplying the fuel consumption per kilometer by 100 to obtain the fuel consumption per kilometer.
8. A method for analyzing road running data of a vehicle according to claim 7, wherein the cumulative fuel consumption and the cumulative mileage for each gear are calculated using a conditional sum formula in the substep a of the step S3.
9. The method as claimed in claim 8, wherein in the sub-step a of step S3, the fuel consumption of each gear is divided by the mileage traveled by each gear by a formula to obtain the fuel consumption of each gear per kilometer, and on the basis, the fuel consumption of each gear per kilometer is multiplied by 100 to obtain the fuel consumption of each gear per kilometer.
10. The method for analyzing road running data of a vehicle according to claim 1, wherein the step b of the step S3 of plotting the envelope graph of the rotation speed and the cycle fuel injection amount and the step c of plotting the rotation speed and the cycle fuel injection amount scatter diagram of the engine are performed on the same map, and the step c of the step S3 of plotting the time-cooling water temperature graph and the step c of plotting the time-fan rotation speed graph are performed on the same map.
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