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Principle and method of vehicle speed calculation
Suppose the vehicle configuration is: engine WP10.310E40, gearbox 12JSD160TA (maximum gear ratio 0.78), axle ratio: 4.769, tires 11.00R20 (rolling radius 0.527m), then when the engine speed is at the maximum economic speed of 1500 rpm Time-sharing, what is the actual speed of the vehicle?
Is the above method very cumbersome, people like the author who are not good at mathematics will make mistakes if they are not careful, so with the efforts of many scholars, the cumbersome calculation method has been simplified, and the following calculation formula appeared. You only need to substitute the values required in the formula into the formula to get the vehicle speed.
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Speed calculation APP
In order to further facilitate the author to calculate the speed of the vehicle, the editor wrote a speed calculation APP through MATLAB. There are two speed calculations for trams and gasoline vehicles. Link: https://pan.baidu.com/s/1RaCPSK0aF-R_3UPHfrDsNw? pwd=7yts
extraction code: 7yts
It is very simple to use, just take the above case to demonstrate it again, input the corresponding parameters, click the speed calculation, and you can get the speed;
Usage method: This software is written based on MATLAB2022 software, whether other versions can be opened has not been tested
1. If you have MATLAB2022, open the folder in the picture below, click the exe file to run it, and use it without installation;
2. If you don’t have MATLAB2022, you need to install this APP installation package. The installation method is relatively simple. Double-click the installer and click Next to install. After the installation is complete, you can find the installed APP in the start menu. Double-click to open it. may use the software;
