INFLUENCE OF SUSPENSION IN THE SAFETY AND COMFORT OF A SELF-PROPELLED SPRAYER

被引：3

作者：

Ferreira, Andre L.

Balthazar, Jose M. ^{[1
]}

Pontes Junior, Bento R. ^{[2
]}

机构：

[1] UNESP, Dept Estat Matemat Aplicada & Computac, Rio Claro, SP, Brazil

[2] UNESP, Dept Engn Mecan, Bauru, SP, Brazil

来源：

ENGENHARIA AGRICOLA | 2010年 / 30卷 / 04期

关键词：

Passive suspension; agricultural vehicles; numerical simulations;

D O I：

10.1590/S0100-69162010000400019

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

To evaluate the behavior of the suspension of self-propelled sprayer were developed physical and mathematical models as a function of excitement caused by irregularities in the soil. In this work, these irregularities are represented by obstacles of a track standard from ISO 5008. The motion equations are obtained from half car model. The numeric simulations are executed in software Matlab (R) and Simulink (R). From a known entry, the characteristics of the suspension elements can be determined for obtain desirable levels of comfort and safety. Four settings with different stiffness ratio were simulated. It was found that the increase of stiffness ratio results in the reduction of vertical acceleration and in the increase of suspension travel, improving the comfort and decreasing safety.

引用

页码：753 / 760

页数：8

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