Research on Synchronous Displacement Precision Control of Drill Drive System in the Shaft
2023 9th International Conference on Fluid Power and Mechatronics (FPM)(2023)
Abstract
In order to solve the problem of low drilling positioning accuracy when installing I-beams in coal mine shafts, For vertical drive mechanism of shaft drilling rigs, a double hydraulic cylinder drive system is proposed. First of all, In the plane force system, a mathematical model of double hydraulic cylinder load under non-uniform load is established. Furthermore, The vertical drilling rig dynamics model and hydraulic model were established in ADAMS and AMESim, respectively. And established its liquid-solid interaction model in Simulink. At last, Aiming at the load change law and displacement synchronization accuracy requirements of double hydraulic cylinders, an adaptive fuzzy PID control (AFC-PID) is proposed. The results showed that: Dual hydraulic cylinder drive system under AFC-PID. Approx. 52.7% reduction in displacement deviation between the two hydraulic cylinders. The shaking deviation of the bolt drilling rig under the leftmost and rightmost positions was reduced by about 43.1% and 57.2%, respectively. The dual cylinder drive system based on AFC-PID has better dynamic response, higher synchronization and better robustness.
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Key words
Fluid-structure interaction,Synchronous drive,Adaptive fuzzy PID control,Displacement deviation
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