Purpose

This study aims to accurately evaluate the influence of various error intervals on the performance of the wiper.

Design/methodology/approach

The wiper structural system is decomposed into classical four-link planar for kinematics analysis, and it was modeled respectively by using interval method, universal grey number theory and enumeration approach depending on the nature of uncertainty.

Findings

The universal grey number theory is a viable methodology for the accurate analysis of uncertain structural system.

Originality/value

(1) The model of uncertain wiper structural system is established. (2) Universal grey number theory and new parameters are adopted to analyze the presence of uncertain wiper structural system. (3) Comparative analysis of response quantities is obtained by interval method, universal grey number theory and enumeration method.

中文翻译：

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刮水器结构系统不确定性存在的通用灰数理论

目的

这项研究旨在准确评估各种错误间隔对刮水器性能的影响。

设计/方法/方法

将刮水器结构系统分解为经典的四连杆平面进行运动学分析，并根据不确定性的性质分别使用间隔法，通用灰数论和枚举法对其进行建模。

发现

通用灰数理论是一种准确分析不确定结构系统的可行方法。

创意/价值

（1）建立了不确定刮水器结构系统模型。（2）采用通用灰数理论和新参数来分析不确定刮水器结构系统的存在。（3）通过区间法，通用灰数论和枚举法对响应量进行比较分析。