S Avinash, A Srivastava, A Purohit, SV Shah, and K M Krishna. A compliant multi-module robot for climbing big step-like obstacles. In ICRA, pages 3397-3402. IEEE, 2014.
 S.H. Turlapati, M Shah, P Singamaneni, A Siravuru, S.V. Shah, and K. M. Krishna. Stair climbing using a compliant modular robot. IROS, 2015. [OpenAIRE]
 D Choi, J Oh, and J Kim. Analysis method of climbing stairs with the rocker-bogie mechanism. Journal of Mechanical Science and Technology, 27(9):2783-2788, 2013.
 T Estier, Y Crausaz, B Merminod, M Lauria, R Piguet, and R Siegwart. An innovative space rover with extended climbing abilities. In None, number LSA-CONF-2000-003, 2000.
 M Lauria, Y Piguet, and R Siegwart. Octopus: an autonomous wheeled climbing robot. In CLAWAR, pages 315-322, 2002.
 M Eich, F Grimminger, S Bosse, D Spenneberg, and F Kirchner. Asguard: A hybrid-wheel security and sar-robot using bio-inspired locomotion for rough terrain. In International Workshop on Robotics for Risky Interventions & Surveillance of Environment, Benica`ssim Spain, 2008.
Fig. 16: The robot prototype with optimal set of design parameters successfully climbing stairs of dimensions specified in the first,second and third level of noise factors ((a),(b) and (c)), and on staircases in urban setting ((c) and (d))
 H Komura, H Yamada, S Hirose, G Endo, and K Suzumori. Study of swing-grouser wheel: A wheel for climbing high steps, even in low friction environment. In IROS, pages 4159-4164. IEEE, 2015. [OpenAIRE]
 EZ Moore, D Campbell, F Grimminger, and M Buehler. Reliable stair climbing in the simple hexapod'rhex'. In ICRA, volume 3, pages 2222-2227. IEEE, 2002.
 JB Jeans and D Hong. Impass: Intelligent mobility platform with active spoke system. In ICRA, pages 1605-1606. IEEE, 2009. [OpenAIRE]
 SD Herbert, A Drenner, and N Papanikolopoulos. Loper: A quadrupedhybrid stair climbing robot. In ICRA, pages 799-804. IEEE, 2008. [OpenAIRE]
 N Senthilkumar, T Tamizharasan, and V Anandakrishnan. Experimental investigation and performance analysis of cemented carbide inserts of different geometries using taguchi based grey relational analysis. Measurement, 58:520-536, 2014. [OpenAIRE]
 EZ Uporabo and Podlagi. Multi-objective optimization of the cutting forces in turning operations using the grey-based taguchi method. Materiali in tehnologije, 45(2):105-110, 2011.
 G Kibria, B Doloi, and B Bhattacharyya. Experimental investigation and multi-objective optimization of nd: Yag laser micro-turning process of alumina ceramic using orthogonal array and grey relational analysis. Optics & Laser Technology, 48:16-27, 2013.
 Y Kuo, T Yang, and G Huang. The use of grey relational analysis in solving multiple attribute decision-making problems. Computers & Industrial Engineering, 55(1):80-93, 2008.