射流抛光试验平台柔性加减速控制算法应用研究

Application of Flexible Acceleration and Deceleration Algorithm for Jet Polishing Test Platform

目的提高射流抛光实验平台在小尺寸对象加工中的柔性及平稳性。方法将七段式S型加减速控制算法应用于射流抛光实验平台控制系统,为验证其性能,将Matlab算法仿真结果,与基于RT-LINUX的开放式数控系统中的算法实验结果,以及T型与S型等2种加减速控制算法实验结果进行对比。结果与T型加减速控制算法相比,采用S型加减速时加工时间较长,但其速度变换平稳、误差小。结论 S型加减速控制方式在射流抛光实验平台的应用中可显著平滑速度,提高其稳定性及柔性加工性能。

This experiment was aimed to improve the flexibility and smoothness of the jet polishing experiment platform used for completing polishing process of small-sized objcets. The S curve acceleration and deceleration algorithm for seven-segment was applied to the platform control system. Matlab simulation results and experiment results for T-curve and S-curve Acc/Dcc control algorithms based on RT-LINUX CNC system was compared and analyzed to verify the performance of the algorithm. Compared with the T-curve control algorithm, the S-curve control algorithm could make the velocity shift smoothly with small error, although the processing took longer time. It showed that the S curve acceleration and deceleration control method used in the jet polishing test platform can make the speed more smooth, and improve the stability and flexible machining performance.