Volume 12 Issue 2 November - January 2017
Research Paper
A Fuzzy Logic
Approach for Structural Comparison, Rating, and Finding Distinct Inversions of
Kinematic Chains
V. Srinivasa Rao*, K. Mallikarjuna Rao**,
A.B. Srinivasa Rao***
* Associate
Professor, Department of Mechanical Engineering, Aditya Engineering College,
Surampalem, Andhra Pradesh, India.
** Professor, Department of Mechanical Engineering,
University College of Engineering, Jawaharlal Nehru Technological University,
Kakinada (JNTUK), Andhra Pradesh, India.
*** Principal, Sri Vasavi Institute of Engineering and
Technology, Nandamuru, Andhra Pradesh, India.
Rao, V.S., Rao,
K.M., and Rao, A.B.S., (2017). A Fuzzy Logic Approach for Structural
Comparison, Rating, and Finding Distinct Inversions of Kinematic Chains. i-manager’s Journal on Future Engineering and
Technology, 12(2), 16-26.https://doi.org/10.26634/jfet.12.2.10367
Abstract
Structural
synthesis of kinematic chains is a potential area for researchers for many
years. Selection of best kinematic chain with desired linkage and degree of
freedom for a specific industrial purpose, i.e. automotive transmission system,
robotic manipulators, and lifting devices need systematic synthesis. Many
researchers produced algorithms involving a lot of computations. In this paper,
a novel and simple method is proposed assigning fuzzy parameters to the links
of kinematic chain. It comprises detection of isomorphism, rating, and distinct
inversions of a kinematic chain. Adjacency of a kinematic link up to the last
level is assessed in the analysis. The output of the method as a quantitative
measurement greatly assists the designer in selecting the kinematic chain
needed. The isomorphism checking, rating, and distinct Inversions of 8-link
1-dof kinematic chains are presented using the proposed method. All the results
are in agreement with the available literature. The proposed method can also be
extended to higher linkage and multiple Degrees of Freedom (DOF).
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