Welcome to join in the 2021 4th International Conference on Control, Robotics and Informatics (ICCRI 2021), which will be held in University of Danang, Danang, Vietnam during April 3-5, 2021. For papers submitted to ICCRI 2021, we offer the publication as following: Publication in IJMERR. Submissions will be peer reviewed by both technical 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 etc. Address: 54 Nguyen Luong Bang Street, Lien Chieu District, Danang City, Vietnam There are two methods for submitting your paper: 1. By Electronic Submission system: http://confsys.iconf.org/conference/iccri2021 2. By email: iccri@iap.org Please feel free contact with us: Mia Hu (Conference Secretary) E-mail: iccri@iap.org Tel: +86-28-86512185 For more information about international conferences, please visit our conference website: ICCRI 2021 Website: http://www.iccri.org