Full
Outline
To enhance the train transportation efficiency under this system and meet the operational needs of dynamic marshalling adjustment, an online marshalling technology for urban rail train control systems based on vehicle-to-vehicle (V2V) communication is proposed, including flexible marshalling and virtual marshalling technologies. Firstly, the technical scheme and operation procedures for V2V-based virtual marshalling are established, and the core technologies under flexible marshalling are expounded, such as the setting of marshalling area parking points, determination of the vehicle-mounted control end, verification and protection of marshalling forms, collision envelope schemes, and vehicle- vehicle-mounted integration technology. Secondly, the technical scheme and operation procedures for the virtual marshalling function of V2V communication are established, and the core technologies under virtual marshalling are expounded, such as high-performance V2V communication technology, V2V communication security protection technology, collaborative control technology, multi-sensor fusion technology, etc. The results show that compared with the traditional CBTC marshalling technology, the the V2V-based marshalling technology reduces operational time by approximately 14 seconds and improves efficiency by about 34%. This study aims to provide a theoretical basis and reference for the marshalling technology operations of the next-generation train control system.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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