CN115240293B - Vehicle road running data analysis method - Google Patents
Vehicle road running data analysis method Download PDFInfo
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- CN115240293B CN115240293B CN202210795987.5A CN202210795987A CN115240293B CN 115240293 B CN115240293 B CN 115240293B CN 202210795987 A CN202210795987 A CN 202210795987A CN 115240293 B CN115240293 B CN 115240293B
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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
Abstract
The application provides a vehicle road running data analysis method, which relates to the technical field of engines and specifically comprises the following steps: s1, collecting data; s2, data are transmitted, and the data are pasted on an Excel electronic watch; s3, processing analysis data, wherein the analysis data comprises the following sub-steps: a. calculating fuel consumption and mileage; b. calculating external characteristic data; c. drawing a time-cooling water temperature curve graph of the collected data, and drawing a time-fan rotating speed curve graph; d. and calculating and plotting the duty ratio of each vehicle speed, the duty ratio of each engine rotational speed, the duty ratio of each vehicle gear, the duty ratio of each accelerator opening, the duty ratio of each gear fuel consumption, the duty ratio of each remaining engine state and the duty ratio of the vehicle state. The application solves the problem that the running state of the vehicle can be felt and observed only through the feeling of a driver and the display of the cab instrument, and is beneficial to accurately evaluating the vehicle.
Description
Technical Field
The application relates to the technical field of engines, in particular to a vehicle road running data analysis method.
Background
The vehicle runs on a road, the fuel consumption of the vehicle can not be high, the engine speed is in an economic fuel-saving area, the highest speed can be reached, whether the water temperature is normal, the hundred kilometers of the vehicle is specific, the idle speed is used, the fuel consumption of each gear is limited, the engine is twisted, the air inlet system of the engine is leaked, the design of a cooling system is reasonable, the configuration of a gearbox and a rear axle speed ratio is reasonable, the temperature strategy of a fan control cooling liquid is reasonable, the driving behavior of a driver is reasonable, and detailed numerical values and accurate judgment can not be obtained through the feeling of the driver and instrument display.
To solve the above problems, it is only currently possible to feel and observe through the feeling of the driver and the display of the cab meter: the accelerator opening is not large, the instantaneous oil consumption on the instrument, the instantaneous engine speed, the instantaneous vehicle coolant temperature and the like are large, so that the vehicle is simply and preliminarily judged and evaluated, detailed analysis and statistics cannot be performed, and the vehicle cannot be accurately evaluated.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the application provides a vehicle road running data analysis method which can solve the problem that the running state of a vehicle can only be sensed and observed through the sense of a driver 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 problems is as follows: the vehicle road running data analysis method specifically comprises the following steps:
s1, collecting data and ECU data of an engine;
s2, data are transmitted, and the data acquired in the step S1 are pasted on an Excel electronic watch;
s3, processing analysis data, which comprises the following sub-steps:
a. calculating fuel consumption and mileage, and calculating 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 and hundred kilometers of each gear by using related function calculation formulas in an Excel electronic watch
Oil consumption value;
b. calculating external characteristic data, drawing an envelope curve graph of the rotating speed and the circulating oil injection quantity in an Excel electronic watch, drawing a rotating speed and circulating oil injection quantity scatter graph of an engine, and judging whether the engine is limited in torsion; drawing an envelope curve graph of the rotating speed and the air inlet pressure, drawing a scatter graph of the rotating speed and the air inlet pressure of the engine, and judging whether an air inlet system of the engine leaks or not;
c. drawing a time-cooling water temperature curve graph of the collected engine ECU data, drawing a time-fan rotating speed curve graph, and judging whether a strategy of controlling the fan rotating speed by the water temperature is adopted
Is reasonable;
d. 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 can be counted by using conditions, counts and summation formulas respectively, and are respectively plotted to analyze whether the control of the driver on the engine and the vehicle is reasonable or not.
In a specific embodiment, the engine ECU data collected in step S1 is specifically collected through a whole vehicle OBD interface.
In a specific embodiment, the data pasted on the Excel electronic watch in the step S2 includes an engine rotation speed value, an engine transient cycle fuel injection value, a transient time value, an engine rotation speed value, a vehicle speed value, an intake pressure value, a water temperature value, a fan rotation 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 from the engine speed, the engine transient cycle injection quantity and the transient time using the correlation function formula in the Excel table.
In a specific embodiment, in the substep a in the step S3, the transient fuel consumption is determined from the engine speed, the engine transient cycle injection quantity and the transient time using the correlation function formula in the Excel table.
In a specific embodiment, the summation formula in the Excel table is used to sum the transient fuel consumption in the substep a in the step S3, so as to obtain the total fuel consumption.
In a specific embodiment, in the substep a in the step S3, a formula is used to calculate the transient vehicle speed and the transient time to obtain a transient driving range, and a summation formula is used to sum the transient driving ranges to obtain a total driving range.
In a specific embodiment, the formula total fuel consumption divided by the total mileage in the substep a in the step S3 is used to obtain the fuel consumption per kilometer, and on this basis, the fuel consumption per kilometer is multiplied by 100 to obtain the hundred kilometers.
In a specific embodiment, the cumulative fuel consumption and cumulative mileage for each gear are calculated in step a in step S3 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 is multiplied by 100 to obtain the hundred kilometers of fuel consumption of each gear.
In a specific embodiment, the drawing of the envelope curve of the rotational speed and the cyclic injection quantity and the drawing of the rotational speed and the cyclic injection quantity scatter diagram of the engine in the substep b in the step S3 are performed on the same graph, the drawing of the envelope curve of the rotational speed and the intake pressure and the drawing of the rotational speed and the intake pressure scatter diagram of the engine are also performed on the same graph, and the drawing of the time-cooling water temperature curve and the drawing of the time-fan rotational speed curve in the substep c in the step S3 are also performed on the same graph.
The embodiment of the application has the advantages that:
compared with the current method for simply sensing and observing the running performance of the vehicle through the sensing of a driver and the display of a cab instrument, the method calculates the values of the transient fuel consumption, the total fuel consumption, the transient running mileage, the fuel consumption per kilometer, the fuel consumption per hundred kilometers, the accumulated fuel consumption and the accumulated mileage of each gear, the fuel consumption per kilometer of each gear, the fuel consumption per hundred kilometers of each gear and the like by collecting the data of the engine ECU, and can judge whether the engine is limited, whether an air intake system leaks or not and the like, and analyze the states of the engine and the vehicle, certain control strategies of the vehicle, the running rules of the vehicle, the characteristics of the driver driving the vehicle, the driving habits of the driver and the like, so as to analyze the performances of the engine and the vehicle, help the driver find out problems and solve the problems, reduce the occurrence of faults, reduce the maintenance cost, improve the sales of the vehicle, improve the market holding quantity of the vehicle and bring great benefits to customers and companies.
Drawings
Fig. 1 is a flow chart of a method for analyzing vehicle road running data according to the present application.
Detailed Description
The technical scheme in the embodiment of the application aims to solve the problem that the running state of the vehicle can only be felt and observed through the feeling of a driver and the display of a cab instrument, and the overall thought is as follows:
referring to fig. 1, a vehicle road driving data analysis method specifically includes the following steps:
s1, data are collected, and ECU data of an engine are collected.
The engine ECU data are collected in the step S1 specifically through an OBD interface of the whole vehicle.
S2, data are transmitted, and the data acquired in the step S1 are pasted on an Excel electronic watch.
The data pasted on the Excel electronic watch in the step S2 comprises an engine rotating speed value, an engine transient circulation fuel injection 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 also includes other status data that can assist in determining whether the engine status is normal.
S3, processing analysis data, which comprises the following sub-steps:
a. calculating fuel consumption and mileage, and calculating 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 and fuel consumption per hundred kilometers of each gear by using a related function calculation formula in the Excel electronic watch.
In the substep a in the step S3, the transient fuel consumption is determined by using the correlation function formula in the Excel table, from the engine speed, the engine transient cycle fuel injection quantity and the transient time.
And 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 substep a in the step S3, a formula is used to calculate the transient vehicle speed and the transient time to obtain a transient driving mileage, and a summation formula is used to sum the transient driving mileage to obtain a total driving mileage.
In the substep a in the step S3, the total fuel consumption is divided by the total driving mileage by using a formula to obtain the fuel consumption per kilometer, and on the basis, the fuel consumption per kilometer is multiplied by 100 to obtain the hundred kilometer fuel consumption.
In the substep a in the step S3, the cumulative fuel consumption and the cumulative mileage of each gear are calculated using the conditional sum formula.
In the step 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 the fuel consumption of each gear is multiplied by 100 to obtain the hundred kilometers of fuel consumption of each gear.
b. Calculating external characteristic data, drawing an envelope curve graph of the rotating speed and the circulating oil injection quantity in an Excel electronic watch, drawing a rotating speed and circulating oil injection quantity scatter graph of an engine, and judging whether the engine is limited in torsion; and drawing an envelope curve graph of the rotating speed and the air inlet pressure, drawing a scatter graph of the rotating speed and the air inlet pressure of the engine, and judging whether an air inlet system of the engine leaks or not.
In the present application, the engine speed value and the circulating injection amount and the intake pressure value are both external characteristic data.
In the substep b in the step S3, drawing the envelope curve graph of the rotation speed and the circulation injection quantity and drawing the rotation speed and the circulation injection quantity scatter graph of the engine are completed on the same graph, and drawing the envelope curve graph of the rotation speed and the intake pressure and drawing the rotation speed and the intake pressure scatter graph of the engine are also completed on the same graph. The data are drawn on the same graph, so that whether the torque of the engine is limited or whether the air intake system leaks or not can be intuitively known.
c. And drawing a time-cooling water temperature curve graph of the collected engine ECU data, drawing a time-fan rotating speed curve graph, and judging whether the strategy of controlling the fan rotating speed by the water temperature is reasonable or not.
The time-cooling water temperature profile and the time-fan speed profile are also plotted on the same graph in substep c in step S3. The data are drawn on the same graph to judge whether the strategy of controlling the rotation speed of the fan by the water temperature is reasonable or not.
d. 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 can be counted by using conditions, counts and summation formulas respectively, and are respectively plotted to analyze whether the control of the driver on the engine and the vehicle is reasonable or not. Meanwhile, the speed of the vehicle reached by each gear can be analyzed by drawing an engine speed-speed distribution diagram, and whether gear shifting is timely and reasonable or not can be analyzed.
It should be further noted that, the specific formula calculated by using the Excel function is applied to the prior art, and is not described herein.
Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present application and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present application.
Claims (10)
1. The vehicle road running data analysis method is characterized by comprising the following steps of:
s1, collecting data and ECU data of an engine;
s2, data are transmitted, and the data acquired in the step S1 are pasted on an Excel electronic watch;
s3, processing analysis data, which comprises the following sub-steps:
a. calculating fuel consumption and mileage, and respectively calculating the 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 and fuel consumption value of hundred kilometers of each gear by using a related function calculation formula in the Excel electronic watch;
b. calculating external characteristic data, drawing an envelope curve graph of the rotating speed and the circulating oil injection quantity in an Excel electronic watch, drawing a rotating speed and circulating oil injection quantity scatter graph of an engine, and judging whether the engine is limited in torsion; drawing an envelope curve graph of the rotating speed and the air inlet pressure, drawing a scatter graph of the rotating speed and the air inlet pressure of the engine, and judging whether an air inlet system of the engine leaks or not;
c. drawing a time-cooling water temperature curve graph from the collected engine ECU data, drawing a time-fan rotating speed curve graph, and judging whether a strategy of controlling the fan rotating speed by the water temperature is reasonable or not;
d. 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 can be counted by using conditions, counts and summation formulas respectively, and are respectively plotted to analyze whether the control of the driver on the engine and the vehicle is reasonable or not.
2. The method for analyzing vehicle road running data according to claim 1, wherein the engine ECU data collected in step S1 is specifically collected through a whole vehicle OBD interface.
3. The method according to claim 1, wherein the data pasted on the Excel electronic watch in the step S2 includes an engine speed value, an engine transient cycle fuel injection value, a transient time value, an engine speed value, a vehicle speed value, an intake pressure value, a water temperature value, a fan speed value, a gear value, and an accelerator opening value.
4. A vehicle road running data analysis method according to claim 3, characterized in that in the substep a in the step S3, the transient fuel consumption is determined from the engine speed, the engine transient cycle fuel injection amount and the transient time by using a correlation function formula in an Excel table.
5. The method according to claim 4, wherein the step a in the step S3 is to sum the transient fuel consumption by using a summation formula in an Excel table to obtain the total fuel consumption.
6. The method for analyzing vehicle road traveling data according to claim 5, wherein in the substep a of the step S3, the transient vehicle speed and the transient time are calculated by using a formula to obtain a transient traveling distance, and the transient traveling distance is summed by using a summation formula to obtain a total traveling distance.
7. The method of analyzing vehicle road running data according to claim 6, wherein the formula total fuel consumption divided by the total mileage in the substep a of the step S3 is used to obtain the fuel consumption per kilometer, and the fuel consumption per kilometer is multiplied by 100 to obtain the fuel consumption per hundred kilometers.
8. The method for analyzing vehicle road running data according to claim 7, wherein the cumulative fuel consumption and cumulative mileage of each gear are calculated using a conditional sum formula in the substep a in the step S3.
9. The method of analyzing vehicle road running data according to claim 8, wherein the fuel consumption per kilometer of the corresponding gear is obtained by dividing the fuel consumption per gear by the mileage of each gear by the formula in the substep a of the step S3, and the fuel consumption per kilometer of the gear is obtained by multiplying the fuel consumption per kilometer by 100.
10. The method of analyzing vehicle road running data according to claim 1, wherein the drawing of the envelope curve of the rotational speed and the cyclic injection amount and the drawing of the rotational speed and the cyclic injection amount scatter diagram of the engine in the substep b in the step S3 are performed on the same map, the drawing of the envelope curve of the rotational speed and the intake pressure and the drawing of the rotational speed and the intake pressure scatter diagram of the engine are performed on the same map, and the drawing of the time-cooling water temperature curve and the drawing of the time-fan rotational speed curve in the substep c in the step S3 are performed on the same map.
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