5Zavadskaya G A. Use of criterial design of experiments to optimize the operation of an auger drill conveyer [J]. Journal of Mining Science,1981,3:136 - 139.
6Zhang Qiang. Research on conveying of the screw coal miner[ J]. The 3^rd International Symposium on Modem Mining & Safety Technology Proceedings ,2008,8 : 1420 - 1425.
7Zhang Qiang. Optimization design of drilling string by screw coal miner based on ant colony algorithm[J]. Journal of coal & scienge Engineering,2008,12:782 - 786.