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In order to improve the energy utilization rate of composite power pure electric logistics vehicle, this paper optimized the existing composite power energy management strategy combined with the road slope. Firstly, a fuzzy controller which can automatically adjust the output power of supercapacitor based on different road slope coefficients was designed. Then Particle Swarm Optimization(PSO) algorithm was used to optimize the fuzzy controller. Finally, MATLAB/Simulink was used in CYC_UDDS to set different slopes for simulation verification under urban road conditions. The simulation results show that the proposed control strategy can reduce the energy consumption by 3.47%, 28.91% and 3.94% respectively on the fixed uphill, fixed downhill and the actual urban road slope, so it can give better play to the advantages of supercapacitor.
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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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