Variable Speed Cutting Control of Shearer Based on Cutting Performance Optimization

doi:10.12068/j.issn.1005-3026.2018.01.024

Journal of Northeastern University Natural Science ›› 2018, Vol. 39 ›› Issue (1): 118-123.DOI: 10.12068/j.issn.1005-3026.2018.01.024

• Mechanical Engineering • Previous Articles Next Articles

Variable Speed Cutting Control of Shearer Based on Cutting Performance Optimization

LIU Yong-gang^1,2， HOU Li-liang²， QIN Da-tong^1,2， YAN Zhong-liang²

1. State Key Laboratory of Mechanical Transmission， Chongqing University， Chongqing 400044， China; 2. College of Automotive Engineering， Chongqing University， Chongqing 400044， China.

Received:2017-07-11 Revised:2017-07-11 Online:2018-01-15 Published:2018-01-31
Contact: LIU Yong-gang
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Abstract

Abstract: Variable speed cutting of shearer was studied， in order to solve the practical problem that the cutting performance of the drum shearer decreases when changing the hauling speed only. Considering the feasibility and reliability of variable speed cutting， the hardness of the coal seam was divided into several ranges by its cutting impedance. Aiming at the weighted average optimization of lump coal rate， cutting energy consumption rate and productivity， the cutting motion parameters of shearer were optimized. Besides， variaous speed control strategies of conditions caused by cutting impedance change were compared， and the speed control strategies for the best cutting performance of different conditions were obtained. The results provide a good reference for the research of high efficiency variable speed cutting.

Key words: shearer, parameters optimization, cutting performance, variable speed cutting, speed control

CLC Number:

TD421

LIU Yong-gang， HOU Li-liang， QIN Da-tong， YAN Zhong-liang. Variable Speed Cutting Control of Shearer Based on Cutting Performance Optimization[J]. Journal of Northeastern University Natural Science, 2018, 39(1): 118-123.

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Variable Speed Cutting Control of Shearer Based on Cutting Performance Optimization

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