钵苗移栽机非圆齿轮行星轮系栽植机构参数分析与反求

为了更好地满足旱地钵苗移栽农艺要求,本文提出非圆齿轮行星轮系栽植机构。选取栽植机构栽植嘴运动轨迹上的若干点作为型值点,利用三次非均匀B样条曲线来控制和表达整条轨迹,并建立以轨迹为目标的该机构参数反求模型,推导栽植嘴的（角）位移、（角）速度和（角）加速度方程。基于MATLABGUI开发平台,编写了该栽植机构的参数反求设计软件,利用该软件分析了若干型值点对该机构栽植嘴轨迹姿态及穴口形状等性能的影响。在型值点影响分析的基础上,以栽植机构栽植嘴理想轨迹姿态及穴口形状等要求为目标,通过软件的人机对话功能调整型值点,优选机构参数,提高立苗率和降低伤苗率。与七杆式栽植机构、多杆式栽植机构和椭圆齿轮行星轮系栽...

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Bibliographic Details
Published in农业工程学报 Vol. 29; no. 8; pp. 18 - 26
Main Author 陈建能 黄前泽 王英 孙良 赵雄 武传宇
Format Journal Article
LanguageChinese
Published 浙江理工大学机械与自动控制学院,杭州 310018 2013
Subjects
农业机械
参数反求
机构
运动学
钵苗移栽机
非圆齿轮行星轮系
agricultural machinery
非圆齿轮行星轮系
机构
运动学
钵苗移栽机
参数反求
kinematics
parametric inversion
mechanisms
农业机械
planetary non-circular gears
potted-seedling transplanter
Online AccessGet full text
ISSN1002-6819
DOI10.3969/j.issn.1002-6819.2013.08.002

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Summary:为了更好地满足旱地钵苗移栽农艺要求,本文提出非圆齿轮行星轮系栽植机构。选取栽植机构栽植嘴运动轨迹上的若干点作为型值点,利用三次非均匀B样条曲线来控制和表达整条轨迹,并建立以轨迹为目标的该机构参数反求模型,推导栽植嘴的（角）位移、（角）速度和（角）加速度方程。基于MATLABGUI开发平台,编写了该栽植机构的参数反求设计软件,利用该软件分析了若干型值点对该机构栽植嘴轨迹姿态及穴口形状等性能的影响。在型值点影响分析的基础上,以栽植机构栽植嘴理想轨迹姿态及穴口形状等要求为目标,通过软件的人机对话功能调整型值点,优选机构参数,提高立苗率和降低伤苗率。与七杆式栽植机构、多杆式栽植机构和椭圆齿轮行星轮系栽植机构相比,本栽植机构具有较优的作业性能和运动学特性。
Bibliography:11-2047/S
Chen Jianneng,Huang Qianze,Wang Ying,Sun Liang,Zhao Xiong,Wu Chuanyu （College of Mechanical Engineering and Automation,Zhejiang Sci-Tech University,Hangzhou 310018,China）
agricultural machinery; mechanisms; kinematics; planetary non-circular gears; parametric inversion; potted-seedling transplanter
The transplanting mechanism is the ultimate mechanism that plants seedlings into fields,and whose performance directly affects the verticality rate and injury rate of seedlings,thus affecting the survival rate of seedlings and final productivity.At present,in order to achieve＂zero speed＂transplanting to improve upright degree after transplanting,research into transplanting mechanisms focus on the trajectory of the transplanting tip and planting speed.However,due to the diversity of seedling organisms and the kinematic accuracy of transplanting mechanism,it is still difficult to achieve＂zero speed＂transplanting;thus,the upright degree of seedlings cannot be guaranteed.To meet the agricultural demands of seedl
ISSN:1002-6819
DOI:10.3969/j.issn.1002-6819.2013.08.002