
Dr. Joo Ho Choi
PHM Service is operated by

PHM Service is operated by Dr. Joo Ho Choi, an Emeritus Professor at Korea Aerospace University, who has been researching PHM for 20 years. Dr. Choi has made significant efforts to advance and disseminate PHM technology, with accomplishments of 150 journal publications (see, Google Scholar), 15 patents, 60 government and industry projects (worth of 10M USD), and 80 invited lectures. He spearheaded first PHMAP conference in Asia and established Korean Society for PHM in 2018. As a result, he was selected as Fellow of the PHM Society in USA. Some of his major activities include as follows.
Book Publication

Nam-Ho Kim, Dawn An, Joo-Ho Choi, Prognostics and Health Management (PHM) of Engineering Systems: An Introduction 1st ed., Springer, 2017.
Consultant on reliability
From 2014 to 2019, he served as a consultant for reliability design, test, and failure prevention at SEMES, the largest equipment company in Korea that produces key equipment for semiconductor and display manufacturing processes


Selective short courses and tutorials
01
“Introduction to the PHM,” 8th Advanced Course for PHM Leadership, Korean Society for PHM, July 20-21, 2022. Youtube is available at https://www.youtube.com/watch?v=bVE_Dyb175k&t=3066s
02
“Prognostics and Health Management Techniques,” Advanced Course in Military Aircraft Airworthiness Certification Online Education, Korea Aerospace University, November 3, 2021.
03
“Prognosis I: Fundamentals of Prognosis,” 3rd Advanced Course for PHM Leadership, Korean Society for PHM, August 22, 2019.
04
“What is Prognostics and Health Management (PHM)?: Understanding Through Cases and Practice,” 4th Industrial Revolution Series in Engineering Development Research Center (EDRC), Seoul National University, August 27, 2018.
05
“Introduction to Prognostics and Health Management,” 1st Advanced Course for PHM Leadership, Korean Society for PHM, August 23, 2018.
Selective keynote/Invited Lectures
Predictive Maintenance by Crack Growth Analysis in Aircraft : From Off-line Inspection to On-line Prognosis, Keynote speech, 5th International Conference on Materials and Reliability, Maison Glad Jeju, November 28, 2019.
“Prognostics and Health Management: Introduction and Perspectives,” Hyundai Motors Technology Forum, July 16, 2019.
01
“Introduction of Prognostics and Health Management,” LS Mtron, January 18, 2024.
03
“Introduction and Application of Prognostics and Health Management,” Army Test and Evaluation Group, November 24, 2023.
05
“PHM from Systems Perspective, PdM for Aircraft Crack: from Off-line Inspection to On-line Prognosis,”
TU Delft, Netherlands, December 7, 2022.
07
Predictive Maintenance by Crack Growth Analysis in Aircraft : From Off-line Inspection to On-line Prognosis, Keynote speech, 5th International Conference on Materials and Reliability, Maison Glad Jeju, November 28, 2019.
09
“Prognostics and Health Management: Introduction and Perspectives,” Hyundai Motors Technology Forum, July 16, 2019.
02
“A Primer on Reliability Centered Maintenance,” Korea Institute of Aviation Safety Technology, December 27, 2023.
04
“Recent Research Trends in PHM and Challenges in Industrial Applications,” 2023 Ulsan E-FOREST TECH DAY, Hyundai Motor Ulsan Pilot Plant, October 26, 2023.
06
“CBM+ Application Cases and Future Perspectives: From Off-line Inspection to On-line Prognosis,” Lifecycle Management Development Seminar, Air Force Hotel, June 21, 2022.
08
“Two Challenges in Prognostics and Health Management: Systems Perspective and Data Deficiency,” Keynote Speech, Asia Pacific Conference of the Prognostics and Health Management Society 2021, Ramada Plaza Jeju, September 10, 2021.
10
“Prognostics and Health Management for Industrial Equipment using Operational Data: Concepts and Cases,” 1st LG Equipment Failure Prediction Forum,
LG Electronics Material Production Technology Institute, May 29, 2019.
Patents and Technology Transfers
01
Joo Ho Choi, Nam Ho Kim, Seokgoo Kim, "System-Level Condition Prediction Device and Method," Patent No. 10-2484041, Registration Date: December 29, 2022, Technology transferred to ENGSTOK on September 1, 2023.
02
Joo Ho Choi, Sungho Park, Seokgoo Kim, "Rotating Body Fault Analysis Device and Method Using Transmission Error," Patent No. 10-2102518, Registration Date: April 13, 2020.
03
Sang Hui Park, Hwa Seob Song, Ji Sung Kim, Joo Ho Choi, Jae Wook Lee, "Method and Device for Estimating Battery Life," U.S. Patent No. 10908222, Registration Date: February 2, 2021.
04
Dawn An, Nam Ho Kim, Joo Ho Choi, "Rotating Body Fault Prediction System and Method Using Vibration," Patent No. 10-1829134, Registration Date: February 7, 2018.
05
Joo Ho Choi, Jin Hyuk Gang, Sung Heum Shim, "Rechargeable Battery Fault Prediction System, Device, and Method Using Charging Voltage Characteristics," Patent No. 10-1440719, Registration Date: September 4, 2014.

