空间机器人随机故障容错规划的蜜蜂算法

薛晗; 李迅; 彭胜军; 马宏绪

空间机器人随机故障容错规划的蜜蜂算法

国防科技大学机电工程与自动化学院,湖南长沙 410073

基金项目: 国家863计划资助项目（2007AA041603）；国家自然科学基金资助项目（60475035）；湖南省科学技术厅重大科技专项计划资助项目（2007FJ1806）；国防科技大学预研项目（CX07-03-01）；国防科技大学优秀研究生创新资助项目（B070302）

详细信息

作者简介:
薛晗（1982- ），女，福建，博士生．研究领域为智能控制．
李迅（1972–），男，博士，硕士生导师．研究领域为无线传感器网络，嵌入式系统．
彭胜军（1980–），博士生．研究领域为双足机器人．

中图分类号: TP387;O221
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出版历程
- 收稿日期: 2008-11-13
- 发布日期: 2009-12-19

Fault Tolerance Trajectory Planning of Space Robot Subject to Stochastic Breakdown Using Honey Bee Algorithm

College of Electromechanical Engineering & Automation, National University of Defense Technology, Changsha 410073, China

摘要

摘要: 本文为解决复杂的随机规划问题设计了一种基于随机模拟的混沌量子蜜蜂算法，证明了该算法的收敛性，并分析了算法的收敛速度．分析6自由度空间机器人系统的不确定性，采用基于微分变换法进行误差分析，建立了随机数学规划模型．为涉及故障前后运动学与动力学约束限制的容错轨迹规划，以加权最小驱动力矩为优化性能指标，采用混沌量子蜜蜂算法求解全部工作时间中机械臂故障前后的最优轨迹．通过降低异常关节的运动速度来降低故障关节力矩，保证机械臂在发生故障后具有较高的操作能力．案例研究验证了该算法的有效性、稳定性及准确性．
- 随机规划 /
- 故障容错 /
- 蜜蜂算法 /
- 轨迹规划
Abstract: A stochastic simulation based chaos quantum honey bee algorithm(CQHBA) is designed for solving the complex stochastic programming problem.A proof of convergence is developed and the convergence speed of the algorithm is analyzed.Through analyzing the uncertainty and system errors of a 6 DOF space robot based on the differential transformation method,a stochastic mathematical model is built.To realize fault tolerance operation before and after the joint failures,the considerations on both kinematical and dynamical restrictions are taken into account.The optimal trajectory of the manipulator all along the work time before and after its joint failure is computed by CQHBA with minimal weighted driver torque as the performance optimization objective.Through lowering the motion velocity of the abnormal joint,the allowed torque of the abnormal joint is reduced.The algorithm guarantees that the manipulator has high manipulability after joint failure moment to accomplish its task successively,and lower the joint torque.A case study is presented to investigate the efficiency,stability and accuracy of the proposed algorithm.
- stochastic programming /
- fault tolerance /
- honey bee algorithm /
- trajectory planning

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参考文献(15)

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空间机器人随机故障容错规划的蜜蜂算法

作者简介: 薛晗（1982- ），女，福建，博士生．研究领域为智能控制．李迅（1972–），男，博士，硕士生导师．研究领域为无线传感器网络，嵌入式系统．彭胜军（1980–），博士生．研究领域为双足机器人．

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出版历程

Fault Tolerance Trajectory Planning of Space Robot Subject to Stochastic Breakdown Using Honey Bee Algorithm

计量

出版历程

目录

作者简介:
薛晗（1982- ），女，福建，博士生．研究领域为智能控制．
李迅（1972–），男，博士，硕士生导师．研究领域为无线传感器网络，嵌入式系统．
彭胜军（1980–），博士生．研究领域为双足机器人．