1. Resilience analysis: A formulation to model risk factors on complex system resilience

   • Adel Mottahedi
   • Farhang Sereshki
   • Abbas Barabadi

   Original Article 18 May 2021 Pages: 871 - 883

   

2. Intuitionistic fuzzy hamming distance model for failure detection in a slewing gear system

   • Daniel O. Aikhuele

   Original Article 26 May 2021 Pages: 884 - 894

   

3. Analytical study of low-income consumers’ purchase behaviour for developing marketing strategy

   • Gobinda Roy
   • Rajarshi Debnath
   • Avinash K. Shrivastava

   Original article 01 June 2021 Pages: 895 - 909

   

4. Sustainable production strategies for deteriorating and imperfect quality items with an investment in preservation technology

   • Priyamvada
   • Prerna Gautam
   • Aditi Khanna

   Original article 03 June 2021 Pages: 910 - 918

   

5. Reliability analysis of system with timing functional dependency using fuzzy-bathtub failure rates

   • Mohammad Nadjafi
   • Mohammad Ali Farsi

   Original article 21 June 2021 Pages: 919 - 930

   

6. Gravity balance up-down walking supported by circulating rope in mountain is easier than walking in plain

   • Lok B. Baral
   • Jeevan J. Nakarmi
   • Vishwa P. Amatya

   Original article 01 June 2021 Pages: 931 - 937

   

7. An overall performance index for wind farms: a case study in Norway Arctic region

   • Albara M. Mustafa
   • Abbas Barabadi
   • Masoud Naseri

   Original article Open access 12 June 2021 Pages: 938 - 950

   

8. Sustainable and flexible production system for a deteriorating item with quality consideration

   • Rini
   • Priyamvada
   • Chandra K. Jaggi

   Original article 14 June 2021 Pages: 951 - 960

   

9. Electric vehicles to renewable-three unequal areas-hybrid microgrid to contain system frequency using mine blast algorithm based control strategy

   • Sudhanshu Ranjan
   • D. C. Das
   • N. Sinha

   Original article 04 July 2021 Pages: 961 - 975

   

10. Distribution system power quality compensation using a HSeAPF based on SRF and SMC features

    • Akram Qashou
    • Sufian Yousef
    • Amani A. AlOmari

    Original article Open access 24 July 2021 Pages: 976 - 989

    

11. Unmanned aerial vehicle path planning based on A* algorithm and its variants in 3d environment

    • Dilip Mandloi
    • Rajeev Arya
    • Ajit K. Verma

    Original article 09 July 2021 Pages: 990 - 1000

    

12. Health indicator construction and remaining useful life estimation for mechanical systems using vibration signal prognostics

    • Nikhil M. Thoppil
    • V. Vasu
    • C. S. P. Rao

    Original Article 14 July 2021 Pages: 1001 - 1010