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以ＤＰＢ－５５０／１５０－Ｉ型中国矿业大学低频拖动系统为基础，应用智能控制策略，实现了交流提升机的速度控制，得到了较好的恒减速控制性能，解决了矿井交流提升机在减速段和爬行段的速度控制性能较差以及在负载变动时，很难实现恒减速的问题．该控制系统已成功地应用于龙东矿主井提升机上
Based on the low-frequency drag system of China University of Mining and Technology DPB-550/150-I, the intelligent control strategy is adopted to realize the speed control of AC hoist, and the better performance of constant deceleration control is obtained. The speed control performance of the deceleration section and crawling section is poor and the problem of constant deceleration is hard to achieve when the load changes. The control system has been successfully applied to Longdong main shaft hoist