Full Name: 2021 4th International Conference on Mechatronics, Control and Robotics (ICMCR 2021)--JA, Scopus Abbreviation: ICMCR 2021 Welcome to join in the 2021 4th International Conference on Mechatronics, Control and Robotics (ICMCR 2021), which will be held in Jeju, South Korea during February 20-22, 2021. For papers submitted to ICMCR 2021, we offer the publication as following: 1. Publication in JOACE. Submissions will be reviewed by both the conference committees and JOACE editorial board, and accepted papers will be published in Journal of Automation and Control Engineering, which will be indexed by Ulrich's Periodicals Directory, Google Scholar, Crossref, etc. 2. Publication in IJMERR. Submissions will be peer reviewed by conference committees and IJMERR editorial board, and accepted papers will be published in the International Journal of Mechanical Engineering and Robotics Research, which will be indexed by Scopus, Index Corpernicus, ProQuest, UDL, Google Scholar, Open J-Gate. The method for submitting your paper: By Microsoft Submission system: https://cmt3.research.microsoft.com/ICMCR2021 Please feel free contact with us: Mia Hu (Conference Secretary) E-mail: icmcr@etpub.com Tel: +86-28-86512185 For more information about international conferences, please visit our conference website: ICMCR 2021 Website: http://www.icmcr.org/