| 肘杆式伺服压力机运动学仿真与工艺轨迹规划 |
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| 引用本文： | 周洋,叶春生,莫健华.肘杆式伺服压力机运动学仿真与工艺轨迹规划[J].锻压装备与制造技术,2012,47(3):37-41. |
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| 作者姓名： | 周洋 叶春生 莫健华 |
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| 作者单位： | 华中科技大学材料成形及模具技术国家重点实验室,湖北武汉,430074 |
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| 摘 要： | 基于肘杆式压力机的基本结构,进行运动学逆解分析。提出一种参数化组合式正弦函数作为加速度曲线的加减速算法,规划滑块的运动轨迹,使滑块的运动轨迹更加平滑,提高了伺服压力机高速工作时平稳性,降低了对伺服控制系统瞬态响应的要求。利用Matlab平台搭建肘杆式压力机的运动学模型,由给定的滑块运动轨迹曲线,仿真得到精确的曲柄角位移、角速度和角加速度曲线,可作为伺服电机控制的输入量,为伺服压力机的控制提供重要依据,为其他伺服压力机传动机构的分析和控制提供一种可行的方法。
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| 关 键 词： | 机械设计 肘杆机构 伺服压力机 Matlab/Simulink 运动学仿真 工艺轨迹规划 |
Kinematics simulation and design of technological trajectories of toggle servo press |
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| ZHOU Yang
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YE Chunsheng
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MO Jianhua.Kinematics simulation and design of technological trajectories of toggle servo press[J].China Metalforming Equipment & Manufacturing Technology,2012,47(3):37-41. |
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| Authors: | ZHOU Yang YE Chunsheng MO Jianhua |
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| Affiliation: | (State Key Laboratory of Material Process and Die and Mould Technology,Huazhong Universityof Science and Technology,Wuhan 430074,Hubei China) |
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| Abstract: | Based on the basic structure of toggle servo press,inverse kinematics analysis has been carried out in the text.A kind of combined sine function has been presented as an algorithm for acceleration curve.Technological trajectories designed by this algorithm are smoother,which can improve the stability of the servo press in high speed.Kinematics model of servo press has been established by use of Matlab software.The trajectory curve of slipper has been input in kinematics model and the simulated angular displacement curve,angular speed curve and angular acceleration curve of the crank have been obtained.It provides a feasible method of analysis and control for servo press with other transmission mechanisms. |
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| Keywords: | Toggle rod mechanism Servo press Matlab/Simulink Kinematics simulation Technological trajectories |
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