위계적 회귀분석을 활용한 버스 무상교통정책 이용자 만족도 영향요인 탐색
이명섭, Lee Myoung Sub, 박호철, Park Byung Jung, 전재원, Jeon Jae Won, 박병정, Park Byung Jung
Published in 교통안전연구 (30.06.2023)
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Published in 교통안전연구 (30.06.2023)
Journal Article
Safety brake control apparatus for emergency stop of autowalk
PARK CHAN YONG, KWANG IL CHO, KIM HWANGAP, GEUM YONG CHO, LEE MYOUNG SUB
Year of Publication 28.04.2023
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Year of Publication 28.04.2023
Patent
FALL PREVENTION DEVICE FOR WHEELCHAIR LIFT
PARK CHAN YONG, JIN WOO CHUNG, KIM JAE SEONG, LEE MYOUNG SUB, KIM SUNG SOO
Year of Publication 13.05.2022
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Year of Publication 13.05.2022
Patent
The overload detection system by the offset of the stairs with wheelchair lift and method of operating
PARK CHAN YONG, JIN WOO CHUNG, KIM JAE SEONG, LEE MYOUNG SUB, KIM SUNG SOO
Year of Publication 13.05.2022
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Year of Publication 13.05.2022
Patent
Safety brake control apparatus for emergency stop of escalator
PARK CHAN YONG, KWANG IL CHO, KIM HWANGAP, GEUM YONG CHO, LEE MYOUNG SUB
Year of Publication 19.10.2021
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Year of Publication 19.10.2021
Patent
Friction reduction plate combined type escalator step
PARK CHAN YONG, SEO HYUN KOOK, LEE KI RANG, LEE JUN BONG, LEE MYOUNG SUB
Year of Publication 21.07.2022
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Year of Publication 21.07.2022
Patent
System for judging siuation of elevator based on Artificial intelligence
PARK CHAN YONG, LEE CHANG HUN, ROH KYUNG MIN, SEO SANG YOON, JI YOUNG TAK, LEE MYOUNG SUB
Year of Publication 09.06.2021
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Year of Publication 09.06.2021
Patent