Soft computing-based approaches to predict energy consumption and stability margin of six-legged robots moving on gradient terrains

  • Authors:
  • Shibendu Shekhar Roy;Dilip Kumar Pratihar

  • Affiliations:
  • Department of Mechanical Engineering, National Institute of Technology, Durgapur, India;Department of Mechanical Engineering, Indian Institute of Technology, Kharagpur, India

  • Venue:
  • Applied Intelligence
  • Year:
  • 2012

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Abstract

Soft computing-based approaches have been developed to predict specific energy consumption and stability margin of a six-legged robot ascending and descending some gradient terrains. Three different neuro-fuzzy and one neural network-based approaches have been developed. The performances of these approaches are compared among themselves, through computer simulations. Genetic algorithm-tuned multiple adaptive neuro-fuzzy inference system is found to perform better than other three approaches for predicting both the outputs. This could be due to a more exhaustive search carried out by the genetic algorithm in comparison with back-propagation algorithm and the use of two separate adaptive neuro-fuzzy inference systems for two different outputs. A designer may use the developed soft computing-based approaches in order to predict specific energy consumption and stability margin of the robot for a set of input parameters, beforehand.