| 数控运动中加加速度连续的加减速方法 |
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| 引用本文： | 赵国勇,赵玉刚,赵庆志.数控运动中加加速度连续的加减速方法[J].计算机集成制造系统,2011,17(2). |
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| 作者姓名： | 赵国勇 赵玉刚 赵庆志 |
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| 作者单位： | 山东理工大学机械工程学院,山东,淄博255049 |
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| 基金项目： | 山东省高等学校科技计划资助项目(J09LD51)~~ |
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| 摘 要： | 为保证机床运动的平滑性,减少数控机床冲击与振动的影响,研究了数控机床动力学数学模型,从理论上分析造成机床冲击与振动的根源;提出一种加加速度连续的加减速方法,推导了运动轮廓不同阶段的运动表达式;对该加减速算法进行了合理简化,以满足数控系统实时性要求;利用搭建的数控试验台对S曲线加减速方法和本文所研究加减速方法作进行了对比。结果表明,所研究方法可使轮廓运动更加平滑,更具柔性,但运行时间略长。
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| 关 键 词： | 数控系统 机床 柔性冲击 加加速度 加减速方法 运动平滑 |
Acceleration & deceleration approach based on continuous jerk in CNC motion |
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| ZHAO Guo-yong,ZHAO Yu-gang,ZHAO Qing-zhi.Acceleration & deceleration approach based on continuous jerk in CNC motion[J].Computer Integrated Manufacturing Systems,2011,17(2). |
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| Authors: | ZHAO Guo-yong ZHAO Yu-gang ZHAO Qing-zhi |
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| Affiliation: | ZHAO Guo-yong,ZHAO Yu-gang,ZHAO Qing-zhi(Department of Mechanical Engineering,Shandong University of Technology,Zibo 255049,China) |
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| Abstract: | To guarantee smooth motion of Computer Numerical Control(CNC) machine tools,so as to decrease impact and vibration in CNC machining,a dynamics model for CNC machine tools was studied.Then,the cause of impact and vibration were analyzed theoretically.An Acceleration & Deceleration(Acc/Dec) approach based on continuous jerk was developed,and the expressions of various motion profile segments were deduced.Furthermore,this approach was simplified rationally to meet the real-time needs of CNC system.Finally,the ... |
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| Keywords: | computer numerical control system machine tools flexible impact jerk acceleration & deceleration approach smooth motion |
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