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| Notation | Description |
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| Index of cars |
| Mass of car |
| , | Number of locomotives and wagons |
| Mass of the HHT |
| Speed of the HHT |
| Position of the HHT |
| Time of HHT running |
| , | Basic and line resistances |
| Air brake force |
| Electric brake force |
| Unit basic resistance |
| , , | Positive coefficients of basic resistance |
| Gravity constant |
| Position of car |
| Gradient at the position of car |
| Number of slopes |
| Gradient of slopes |
| Starting and ending positions of slopes |
| Curve radius at the position of car |
| Number of curves |
| Radius of curves |
| Starting and ending positions of curves |
| Empirical coefficient |
| Length between cars and |
| Output ratio of electric brake force |
| Maximum electric brake force |
| Number of brake shoes equipped on a car |
| Pressure acting on one brake shoe of car |
| Brake shoe friction coefficient of car |
| Brake cylinder diameter |
| Braking leverage |
| Number of brake cylinders equipped on a car |
| Transmission efficiency of braking device |
| Brake cylinder pressure of car |
| Brake cylinder pressure of car during air brake application |
| Brake cylinder pressure of car during air brake release |
| Amount of pressure reduction |
| , | Binary variable indicating regimes of the application and release of air braking |
| , | Timing of air brake application and release |
| , | Pressure rise and fall delay times for car |
| Time required for the pressure to change to zero |
| Time required for the pressure to change to the maximum value |
| Maximum value of brake cylinder pressure |
| , | Functions to describe the rise and fall of brake cylinder pressure for each car |
| Given running time |
| Application time of air braking |
| Running distance with the speed limit |
| Total running distance |
| , | Weight coefficients |
| Speed limit |
| Minimum release speed |
| Air brake release time |
| Air-filled time |
| , | Starting and ending positions of a neutral section |
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