Preface

Abstract

Politeknik Negeri Padang is pleased to conduct ICo-ASCNITech where for the the third for ICo-ASCNITech. As a leading higher vocational educational institution in Indonesia, Politeknik Negeri Padang must develop its international reputation to achieve long term vision as one of the reputable vocational education in South East Asia by 2025. This international event is part of our strategic plans toward that vision which is also to strengthen our cooperation with Politeknik Ibrahim Sultan, Malaysia.This proceeding contains the written versions of the International Conference on Applied Sciences, Information and Technology (ICo-ASCNITech) 2019. The Conference is considered as a good opportunity for participants from overseas such as Malaysia, Taiwan, Japan, Thailand, Philippines, Vietnam, Nigeria and Indonesia itself to present and discuss topics in their respective research areas.This annual event is jointly organized by Politeknik Negeri Padang (Indonesia) and Politeknik Ibrahim Sultan (Malaysia). There are 156 titles written by more than 200 authors had been participate in this prestigious conferences representing more than 20 local and international higher education institutions as well as research bodies. These are a great experience to share information of applied research, technology and innovation among researchers and academicians, students, government, industries, and other stakeholders. Hopefully this wonderful agenda would be revolutionary contribution to the world which has become the theme of this conference, “Revolutionary Contribution of Applied Science and Technology to Society in Industrial Era”.We would like to thank advisory board, scientific committee, organizing committee, presenters and volunteers for their contributions to the conference’s program and to the proceeding and had a great and fruitful experiences during the conferences. We sincerely express our gratitude to IOP for publishing the proceeding of ICo-ASCNITech 2019.The Editors:Rikki Vitria, S.S.T., M.Sc. EngChairman of the ICo-ASCNITech 2019Ihsan Lumasa Rimra, SST.,M.Sc DECN