摘要
针对加工段长度限制达不到指令进给速度的复杂情况,对传统的S型曲线加减速方法进行优化,得到半边S型加减速控制方法.对连续多段加工的不同情况,提出加速度连续衔接的方法,在保证加速度连续的同时,提高加工速度.通过仿真验证该方法对速度控制的效果.结果表明:该方法可以使速度曲线更加平滑,且能提高加工的整体效率,适合高速高精度数控加工的速度控制.
An optimization strategy was developed on the basis of the traditional S-curve of acceleration and deceleration.When the commanded feed rate cannot be reached due to length restrictions,a half S-curve accel-eration and deceleration control method was devised through the proposed optimization strategy.For continu-ous multistage processing issue,a method for linking adjacent segments which can ensure a continuous acceler-ation as well as increase the processing speed was proposed.Simulation results demonstrated that this method can get a smoother speed curve and increase overall efficiency of the process,which suggested this proposed strategy is suited for computer numerical control system used for high-speed high-precision machining speed control.
出处
《华侨大学学报（自然科学版）》
CAS
北大核心
2016年第4期411-415,共5页
Journal of Huaqiao University(Natural Science)
基金
福建省科技重大专项(2013HZ0001)
关键词
数控系统
S型曲线
速度控制
高速度
高精度
加速度
computer numerical control system
Sshaped curve
velocity control
high speed
high precision
acceleration
