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In order to track the regenerative braking power of EV’s hybrid energy storage system accurately, avoid current impact of energy storage elements and bus voltage build-up caused by untimely distribution of braking energy, this paper proposed a dynamic power tracking control based on hybrid energy storage system. The supercapacitor was modeled based on the Thevenin model, the terminal voltage of the supercapacitor was predicted with Kalman filter. On this basis, a loss function was established for power tracking, the supercapacitor current was solved in real time under constraints. Finally, the effectiveness of the proposed dynamic power tracking control strategy was verified by contrast test. The test results show that the proposed dynamic power tracking control can quickly track the braking power and reduce the current impact of energy storage elements.
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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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