Full
Outline
In order to achieve the goals of balanced coal flow control, energy saving, and efficiency improvement for the belt conveyor in the mining area of the 4205 working face at Longquan Coal Mine, a mathematical model of the belt conveyor was established. The Multiverse Optimizer (MVO) algorithm was employed to optimize the fuzzy PID controller. Simulations were conducted based on MATLAB, and the results were compared and validated against actual field data. The results are as follows. Firstly, compared with the traditional PID control, the fuzzy PID control optimized by MVO algorithm reduces the adjustment time and overshoot by 46.4% and 34.49 percentage points respectively, and the fitness value converges from 1 022 of the initial iteration to 901.8, indicating that the response speed, stability and anti-interference ability of the system are significantly improved. Secondly, by comparing and analyzing the actual belt speed of the belt conveyor and the regulated belt speed of MVO-Fuzzy-PID within 300 s of five time periods on the belt conveyor, it is verified that the regulated belt speed can be closer to the set value more accurately. Thirdly, from the power point of view, the total power of the motor after MVO-Fuzzy-PID control is significantly reduced. Therefore, the MVO algorithm optimizes the belt speed to achieve energy-saving control and fast matching of coal flow.
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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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