全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

基于NURBS的挖掘机器人时间最优轨迹规划

, PP. 540-546

Keywords: 自动控制技术,挖掘机器人,轨迹规划,序列二次规划

Full-Text   Cite this paper   Add to My Lib

Abstract:

为提高挖掘机器人的工作效率,保证其运行轨迹平滑,提出了一种基于NURBS曲线的轨迹规划方法。利用5次NURBS曲线插值挖掘机器人关节位置,引入矢值函数,通过莱布尼茨公式求解NURBS曲线的高阶导矢,设定启停速度和加速度,得到经过指定关节位置加加速度连续的轨迹曲线。分析了NURBS曲线权因子在挖掘轨迹局部规划中的作用。采用序列二次规划方法求解约束条件下的非线性最小化问题,规划出时间最优轨迹曲线。仿真和试验表明:提出的轨迹规划方法能够得到满足物理约束的时间最优关节轨迹,且可进行轨迹局部优化。

References

[1]  刘宇,刘春时,张义民.基于NURBS的挖掘机自主控制铲斗轨迹规划方法[J].中国工程机械学报,2012,10(2):145-149.Liu Yu, Liu Chun-shi, Zhang Yi-min. NURBS-based autonomously-controlled bucket trajectory planning on robotic excavators[J]. Chinese Journal of Construction Machinery, 2012,10(2):145-149.
[2]  Kim D, Kim J, Lee K, et al. Excavator tele-operation system using a human arm[J]. Automation in Construction,2009,18(2): 173-182.
[3]  Lee S U, Chang P H. Control of a heavy-duty robotic excavator using time delay control with integral sliding surface[J]. Control Engineering Practice, 2002,10(7): 697-711.
[4]  Gu J, Seward D. Digital servo control of a robotic excavator[J]. Chinese Journal of Mechanical Engineering, 2009,22(2):190-197.
[5]  Saravanan R, Ramabalan S, Balamurugan C. Multiobjective trajectory planner for industrial robots with payload constraints[J]. Robotica,2008, 26 (6):753-765.
[6]  梁宏斌,王永章,李霞.自动调节进给速度的NURBS插补算法的研究与实现[J].计算机集成制造系统,2006,12(3):428-433.Liang Hong-bin, Wang Yong-zhang, Li Xia. Research and implementation of NURBS interpolation algorithm for adaptive feed speed[J]. Computer Integrated Manufacturing Systems, 2006, 12(3): 428-433.
[7]  玄冠涛,邵园园,吕钊钦,等.基于NURBS的空间分度凸轮廓面重构与仿真[J].农业机械学报,2012,43(6):226-234.Xuan Guan-tao, Shao Yuan-yuan, Lü Zhao-qin, et al. Profile reconstruction of spatial indexing cam and simulation based on NURBS[J]. Transactions of the Chinese Society for Agricultural Machinery, 2012,43(6):226-234.
[8]  冯培恩,孙守迁,杨毅,等.采掘机器人的规划级控制技术研究[J].自动化学报,1995,21(1):33-38.Feng Pei-en, Sun Shou-qian, Yang Yi, et al. Research on the technique of planning level control for excavating-robot[J]. Acta Automatica Sinica, 1995,21(1):33-38.
[9]  王昕,赵丁选,尚涛,等.基于单神经元的液压挖掘机自适应PID节能控制[J].吉林大学学报:工学版,2005,35(4):377-380.Wang Xin, Zhao Ding-xuan, Shang Tao, et al. Adaptive PID control for energy-saving of hydraulic excavator based on single neuron[J].Joumal of Jilin University(Engineering and Technology Edition), 2005, 35(4):377-380.
[10]  徐海黎,解祥荣,庄健,等.工业机器人的最优时间与最优能量轨迹规划[J].机械工程学报,2010,46(9):19-25.Xu Hai-li, Xie Xiang-rong, Zhuang Jian, et al. Global time-energy optimal planning of industrial robot trajectories[J]. Journal of Mechanical Engineering, 2010,46(9):19-25.
[11]  张大庆,何清华,郝鹏,等.液压挖掘机铲斗的轨迹跟踪控制[J].吉林大学学报:工学版,2005,35(5):490-494.Zhang Da-qing, He Qing-hua, Hao Peng, et a1. Trajector tracking control of hydraulic excavator bucket[J]. Joumal of Jilin University(Engineering and Technology Edition), 2005, 35(5):490-494.
[12]  朱世强,刘松国,王宣银,等.机械手时间最优脉动连续轨迹规划算法[J].机械工程学报,2010,46(3):47-52.Zhu Shi-qiang, Liu Song-guo, Wang Xuan-yin, et al. Time-optimal and jerk-continuous trajectory planning algorithm for manipulators[J]. Journal of Mechanical Engineering, 2010,46(3):47-52.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133