Optimization Design of the Transmission System of Small-size Shrub Brush Cutter based on MATLAB

Yang Chunmei; Guo Minghui; Ma Yan; Liu Qianjun; Yang Tie

doi:10.16578/j.issn.1004.2539.2017.03.016

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Optimization Design of the Transmission System of Small-size Shrub Brush Cutter based on MATLAB

更新时间：2022-10-20

- Optimization Design of the Transmission System of Small-size Shrub Brush Cutter based on MATLAB
- Vol. 41, Issue 3, Pages: 78-82(2017)
- 作者机构：
  
  1. 东北林业大学
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2017.03.016
  CLC：
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[1]杨春梅,郭明慧,马岩,刘千军,杨铁.基于MATLAB小型灌木割灌机构传动系统优化设计[J].机械传动,2017,41(03):78-82.

Yang Chunmei, Guo Minghui, Ma Yan, et al. Optimization Design of the Transmission System of Small-size Shrub Brush Cutter based on MATLAB. [J]. 41(3):78-82(2017)
[1]杨春梅,郭明慧,马岩,刘千军,杨铁.基于MATLAB小型灌木割灌机构传动系统优化设计[J].机械传动,2017,41(03):78-82. DOI： 10.16578/j.issn.1004.2539.2017.03.016.

Yang Chunmei, Guo Minghui, Ma Yan, et al. Optimization Design of the Transmission System of Small-size Shrub Brush Cutter based on MATLAB. [J]. 41(3):78-82(2017) DOI： 10.16578/j.issn.1004.2539.2017.03.016.

摘要

为改变传统的手工收割人工灌木林费时费力的现状,设计了一台履带式割灌机来替代人工劳作。通过对传统的小型自走式灌木割灌机前进时候的行进速度与刀具的切削速度之间的协调关系分析,发现该割灌机在对灌木丛进行收割作业时,传动系统为非连续性函数输出,因此无法得到切削速度与行进速度的最佳协调。为满足提高小型履带式灌木人工林割灌机工作效率的需求,对割灌机的传动系统在传统经验设计的基础上进行优化设计。通过确定传动系统的目标函数,选择独立的设计变量,确定约束条件将传动系统的数学模型建立出来,对设计变量、目标函数以及边界约束条件进行分析和优化,编制了MATLAB复合形法的优化设计程序,并利用其强大的优化计算能力对割灌机的传动系统进行了优化设计。优化结果比按照传统设计得到的小型履带式人工灌木割灌机的工作效率提高了20.59%。为提高割灌机的收割作业效率提供了优化设计方法和理论依据。

Abstract

In order to change the status of the traditional manual harvesting artificial shrubbery time- consuming,a track- type brush cutter is designed to replace manual labor. Through analyzing the coordinate relationship between the traveling speed and cutting speed of the traditional small self- propelled shrub brush cutter,when the brush cutter in harvesting operations on the bush,the transmission system is the non- continuous transmission function output. So the best coordinate relationship between the traveling speed and cutting speed can’t be got. In order to meet to the requirements of improving the efficiency of small- size self- propelled brush cutter,the optimization design of transmission system of the brush cutter is carried out based on traditional experience design. By determining the objective function of the transmission system,selecting the independent design variables,determining the constraints,the mathematical model of transmission system is established.The analysis and optimization of the design variables,objective function and the boundary conditions are carried out,the complex method optimization program of MATLAB is written,and by using its powerful ability of optimization design to optimize the transmission system of the brush cutter. The optimization results show that,the work efficiency is improved by 20. 59% than the traditional design of small crawler artificial shrub cutter. The design method and the theoretical basis for improving the cutting operation efficiency of the brush cutter are provided.

关键词

传动系统优化设计复合形法Matlab

Keywords

Transmission systemOptimization designComplex methodMatlab

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