模型预测控制模型在采煤机调高系统中的应用研究

张斯涵; 刘振坚; 邱锦波

doi:10.13272/j.issn.1671-251x.2017120009

模型预测控制模型在采煤机调高系统中的应用研究

张斯涵^{1, 2},
刘振坚^{1, 2},
邱锦波^{1, 2}

1.
中煤科工集团上海研究院有限公司，上海200030
2.
天地科技股份有限公司上海分公司，上海200030

基金项目:

天地科技技术创新项目(KJ-2014-TDSH-02)

详细信息

中图分类号: TD632
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出版历程
- 刊出日期: 2018-05-09

Research on model predictive control model in application of shearer height-adjusting system

ZHANG Sihan^{1, 2},
LIU Zhenjian^{1, 2},
QIU Jinbo^{1, 2}

1.
CCTEG Shanghai Research Institute, Shanghai 200030, China
2.
Shanghai Branch, Tiandi Science and Technology Co.， Ltd.， Shanghai 200030， China

摘要

摘要: 针对目前采煤机调高系统中通常使用电磁开关阀调高，存在稳定性不高、精度欠佳等问题，以MG300/700-WD型交流电牵引采煤机为研究对象，通过在其调高系统常规模型中加入模型预测控制器，建立了该采煤机调高系统模型预测控制模型；对该模型预测控制器的采样时间和预测时域长度2个参数进行调整，可减少电磁开关阀的开关次数和工作时间，使滚筒根据目标高度进行准确实时调高。仿真结果表明，与常规模型相比，基于模型预测控制模型的采煤机调高系统在给定输入后6 s左右达到稳定，减少了电磁开关阀开关次数，超调量降低了28.8%，提高了系统的稳定性与实时性。
- 煤炭开采 /
- 采煤机调高系统 /
- 电磁开关阀 /
- 模型预测控制 /
- 滚筒 /
- 采样时间 /
- 预测时域长度
Abstract: In view of the problems of lower stability and poor precision existed in present shearer height-adjustment system, which used electromagnetic switch valve to adjust height of drum, a model predictive control model of the shearer height-adjustment system was established through adding model predictive controller in conventional model of the shearer height-adjusting system and taking MG300/700-WD type AC traction shearer as the research object. The switching frequency of electromagnetic switch valve and working hours were reduced by adjusting sampling time and predictive time domain length of model predictive controller, the drum can be realize accurate and real time height adjustment according to the target height. Simulation results show that the shearer height-adjustment system based on model predictive control model can achieve stability in 6 s after given input compared with the conventional model, switch frequency of the electromagnetic switch valve is reduced, overshoot amount is decreased by 28.8%, stability and real-time performance of the system are improved.
- coal mining /
- shearer height-adjustment system /
- electromagnetic switch valve /
- model predictive control /
- drum /
- sampling time /
- predictive time domain length

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