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문석준(Seok-jun Moon),김의영(Eui-Young Kim),박진우(Jin-Woo Park),김원(Won Kim),정선아(Sun-Ah Jung) 한국소음진동공학회 2021 한국소음진동공학회 논문집 Vol.31 No.2
As a performance specification for general resilient mounts of naval shipboard equipment, MIL-PR-32407 was released in 2012 as an alternative to MIL-M-17185A. Therefore, it is necessary to investigate the application of MIL-PR-32407A. In this study, two new core test items introduced in MIL-PRF-32407A, namely a ship motion endurance test and vibration endurance test, are reviewed with respect to the test method. The ship motion endurance test is not described in detail in the specification; thus, the test plan is presented through investigation of various related documents. In contrast, the vibration endurance test method is described in detail. However, there are parts that may cause problems when applied to actual testing. Therefore, as an alternative, we propose a new test plan.
문석준(S. J. Moon),신윤호(Y. H. Shin),정정훈(J. H. Chung),송창규(C. K. Song) 한국소음진동공학회 2014 한국소음진동공학회 논문집 Vol.24 No.9
The mount suppliers are providing limited information on the dynamic characteristics of the mounts to some designers and some manufacturers of the high-precision machines. In this technical study, the experimental review was carried out about dynamic characteristics of five kinds of commercial passive mounts sold in the market. The dynamic characteristics, natural frequency and damping ratio, extracted from experimental tests were compared to the materials supplied by mount makers. In order to predict the performance of the high-precision machines with mounts, exact values of the dynamic characteristics of mounts should be used in the stage of numerical analysis.
함정 탑재장비용 능동 하이브리드 마운트 개발에 대한 연구
문석준(Moon, S.J.),최상민(Choi, S.M.),정종안(Jeong, J.A.),최승복(Choi, S.B.),정우진(Jung, W.J.),구자용(Koo, J.Y.) 한국소음진동공학회 2010 한국소음진동공학회 논문집 Vol.20 No.7
A hybrid mount for shipboard machinery installed on naval ships was developed. The mount is combined with a rubber mount and a piezostack actuator. The rubber mount is one of the most popular and effective passive mounts to have been applied to various vibration systems to date. The piezostack actuator is featured by a fast response time, small displacement and low power consumption. Through a series of experimental tests conducted in accordance with MIL-M-17185A(SHIPS), MIL-M-17508F(SH), and MIL-S-901D which are US military specifications related to the performance requirements of the mount, it has been confirmed that the hybrid mount shows more effective performance for use in naval ships.
공기스프링과 압전작동기를 결합한 복합형 미진동 방진마운트 시스템 개발
문석준(Moon, S.J.),정형조(Jung, H.J.),신윤호(Shin, Y.H.),장동두(Jang, D.D.),정종안(Jeong, J.A.),문영종(Moon, Y.J.) 한국소음진동공학회 2011 한국소음진동공학회 논문집 Vol.21 No.1
A new hybrid mount system is proposed for microvibration control in a high-tech factory. The mount consists of an airspring as a passive device and a piezostack actuator as an active device. The two devices are connected in series. Some numerical simulations and experimental tests are carried out to evaluate isolation performance of the mount system comprising of four proposed hybrid mounts. As a control logic, the specific algorithm is adopted for considering multiple target frequencies of excitation based on a Filtered-X LMS algorithm. The results are compared with isolation performance of the passive airspring mount system. It is confirmed that the proposed hybrid mount system has great performance on microvibration.