Volume 24, Issue 3 (IJIEPR 2013)                   IJIEPR 2013, 24(3): 169-175 | Back to browse issues page

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Habibnejad Korayem M, Azimi A, Shafei A M. Sensitivity Analysis of Single Flexible Link Based on Sobol's Method. IJIEPR 2013; 24 (3) :169-175
URL: http://ijiepr.iust.ac.ir/article-1-432-en.html
Sensitivity Analysis of Single Flexible Link Based on Sobol's Method
Moharram Habibnejad Korayem 1, Arastoo Azimi2 , Ali Mohammad Shafei2
1- Iran University of Science and Technology , hkorayem@iust.ac.ir
2- Iran University of Science and Technology
Abstract:   (6893 Views)
In this research the sensitivity analysis of the geometric parameters such as: length, thickness and width of a single link flexible manipulator on maximum deflection (MD) of the end effector and vibration energy (VE) of that point are conducted. The equation of motion of the system is developed based on Gibbs-Appel (G-A) formulation. Also for modeling the elastic property of the system the assumption of assumed modes method (AMM) is applied. In this study, two theories are used to obtain the end-point MD and VE of the end effector. Firstly, the assumption of Timoshenko beam theory (TBT) has been applied to consider the effects of shear and rotational inertia. After that, Euler-Bernoulli beam theory (EBBT) is used. Then Sobol’s sensitivity analysis method is applied to determine how VE and end-point MD is influenced by those geometric parameters. At the end of the research, results of two mentioned theories are compared.
Keywords: Euler-Bernoulli, Timoshenko, Sensitivity analysis, Sobol
Full-Text [PDF 544 kb]   (2783 Downloads)    
Type of Study: Research | Subject: Statistical Process Control Statistical Process Control or Quality Control
Received: 2012/05/21 | Accepted: 2013/09/28 | Published: 2013/09/28
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