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基于阿克曼原理的车式移动机器人运动学建模
引用本文:任孝平,蔡自兴. 基于阿克曼原理的车式移动机器人运动学建模[J]. 智能系统学报, 2009, 4(6): 534-537. DOI: 10.3969/j.issn.1673-4785.2009.06.011
作者姓名:任孝平  蔡自兴
作者单位:中南大学 信息科学与工程学院,湖南 长沙 410083
基金项目:国家自然科学基金资助项目,国家博士点基金资助项目,湖南省院士基金资助项目 
摘    要:基于阿克曼原理的轮式移动机器人运动学模型对于无人驾驶车辆的研究有着重要的意义.对轮式移动机器人的运动学特性进行了分析,建立了不考虑滑行、刹车等的轮式移动机器人的运动学模型.对该运动学模型引入了阿克曼约束,给出了描述机器人运动状态的转向角、航向角和转弯半径等物理量的数学公式.最后对该运动学模型进行仿真实验,验证了所建立的运动学模型的正确性,为进一步研究轮式移动机器人提供了理论分析的基础.

关 键 词:轮式移动机器人  运动学模型  阿克曼原理  转向特性

Using the Ackerman principle for kinematic modeling of wheeled mobile robots
REN Xiao-ping,CAI Zi-xing. Using the Ackerman principle for kinematic modeling of wheeled mobile robots[J]. CAAL Transactions on Intelligent Systems, 2009, 4(6): 534-537. DOI: 10.3969/j.issn.1673-4785.2009.06.011
Authors:REN Xiao-ping  CAI Zi-xing
Affiliation:School of Information Science & Engineering, Central South University, Changsha 410083, China
Abstract:Applying the Ackerman principle to kinematic modeling of wheeled mobile robots is of vital importance for improving the performance of unmanned autonomous vehicles. The kinematic characteristics of wheeled mobile robots were analyzed in this paper, and a kinematic model was set up that did not consider sliding or braking. The Ackerman principle was then introduced to this kinematic model. Mathematical formulas were proposed for turning angle, steering angle and turning radius. These accurately reflect the movement status of the mobile robot, providing a theoretical basis for analysis of future intelligent vehicles. The conclusions were validated through a simulation.
Keywords:wheeled mobile robot  kinematics model  Ackerman principle  turning characteristics
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