Journal of Powder Metallurgy & Mining
Open Access

Okawa H

Department of Intelligent Interaction Technologies, University of Tsukuba, Japan

Biography

Okawa H is affiliated to Department of Intelligent Interaction Technologies, University of Tsukuba. He is a recipient of many awards and grants for his valuable contributions and discoveries in major area of subject research. His international experience includes various programs, contributions and participation in different countries for diverse fields of study.

Publications

A Case Study of Assessing Button Bits Failure through Wavelet Transform Using Rock Drilling Induced Noise Signals

Finding the precise moment of button breakage of bits during drilling, with the experience of drill rig operators is a serious concern for modern vibrant mining industry. This research proposed a new methodology to find the failure of button using the sound generated by rock-bit interactions. The experiment is conducted by the video and sound data ... Read More»

Kawamura Y, Jang H, Hettiarachchi DS, Takarada Y, Okawa H and Shibuya T

Research Article: J Powder Metall Min 2017, 6:162

DOI: 10.4172/2168-9806.1000162

Abstract Peer-reviewed Full Article Peer-reviewed Article PDF Mobile Full Article