现代制造工程 ›› 2017, Vol. 442 ›› Issue (7): 37-41.doi: 10.16731/j.cnki.1671-3133.2017.07.008

• 机器人技术 • 上一篇    下一篇

基于足端轨迹的仿生四足机器人运动学分析与步态规划

勾文浩1, 袁立鹏2,3, 宫赤坤1, 高彤1   

  1. 1 上海理工大学机械工程学院,上海 200093;
    2 常州恐龙园股份有限公司,常州 213022;
    3 哈尔滨工业大学机电工程学院,哈尔滨 150001
  • 收稿日期:2015-11-29 出版日期:2017-07-18 发布日期:2017-09-29
  • 作者简介:勾文浩,硕士研究生,主要研究方向为机器人技术。E-mail:gouwh123@163.com
  • 基金资助:
    国家科技支撑计划项目(2013BAH57F00)

Strategy of foot trajectory for bionics quadruped robots kinematic analysis and gait planning

Gou Wenhao1, Yuan Lipeng2,3, Gong Chikun1, Gao Tong1   

  1. 1 School of Mechanical Engineering,University of Shanghai for Science and Technology, Shanghai 200093,China;
    2 Changzhou Dinosaur Park Co.Ltd.,Changzhou 213022,Jiangsu,China;
    3 School of Mechanical and Electrical Engineering,Harbin Institute of Technology,Harbin 150001,China
  • Received:2015-11-29 Online:2017-07-18 Published:2017-09-29

摘要: 设计了一种电驱动四足仿生机器人,构造了具有主被动自由度、基于电动缸驱动的机器人腿部关节结构。对机器人进行运动学建模,并借助其运动学模型进行机器人正逆运动学计算,求解出了机器人腿部各个关节的转角函数。针对四足机器人的行走特点,提出一种四足机器人步态规划方法。经过对机构几何关系的分析计算,得到腿部各个关节电动缸位移量驱动函数。仿真实验结果表明,四足机器人在该种算法下可实现连续平稳的行走,初步验证了所提轨迹规划方法、步态及机构设计的合理性和有效性。

关键词: 四足仿生, D-H坐标, 足端轨迹, 步态规划, 运动仿真

Abstract: A kind of electrically driven quadruped bionic robot is designed,which has the main and passive structure and the robot’s leg joint structure based on the electric cylinder.The purpose is to explain how the quadruped robot walks.D-H coordinates are given a kinematic calculation method.Kinematic modeling,the inverse kinematics calculation of robot with the aid of kinematic model,the corner function of the joints of the robot was solved.A method of gait planning for a four legged robot is proposed for the walking of a robot.Simulation experiments show that,the robot walks stably,the foot trajectories are smooth and the undulation of body has small amplitude.

Key words: quadruped bionics, D-H coordinates, foot trajectory, gait planning, motion simulation

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