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        검색결과 4

        1.
        2024.10 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The rapid urbanization and industrial growth have increased the demand in construction, maintenance, and infrastructure, leading to significant advancements in aerial work vehicle technology. This study focuses on the structural performance of ultra-high-strength steel plates of varying thicknesses used in telescopic booms, which is a critical component of aerial work vehicles. This study aims to address the cost issues associated with the previously used 5mm thick plates by evaluating the structural integrity of thinner plates. Using finite element analysis (FEA), the study analyzes stress and displacement for different thicknesses, specifically targeting the first boom segment, which bears the most load. The results indicate that while 3mm and 3.2mm thick plates are unsuitable due to buckling, the 4mm thick plate meets safety criteria with a safety factor of 2.51 and reduces costs by over 20%. By using 4mm thick ultra-high-strength steel for the first boom segment is cost-effective, providing structural integrity and an applicable solution for aerial work vehicle manufacturers.
        4,000원
        3.
        2017.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The aim of this paper is to clarify the structural stability of Refracted Telescopic Boom in 30m Class with the Property of Working Range Insulation. The boom of insulation special vehicle consists of a 3-stage telescopic boom, 2-stage refracting boom, insulation boom and effector. The catia solid geometry of the boom was used to generate both a basic ADAMS model and the finite element meshes for the flexible components. The flexible bodies were generated by using the finite element program of ANSYS and then imported into the ADAMS model and their flexibility accounted to the dynamic analysis of boom. Embedding finite element representations within the ADAMS model, offers the advantage being able to perform the durability analysis and the resulting damage. Through this approach, the crack locations(hot spots) in a prototype can be predicted successfully, thereby validating the analysis procedure.
        4,000원
        4.
        2016.10 KCI 등재 구독 인증기관 무료, 개인회원 유료
        When working on electrical wiring and cable, Electrically insulated aerial work platforms must be used to prevent the electrocution hazards. Aerial work platforms with composition boom is able to increase the weight and height of the workspace due to the lightweight of boom. The aim of this paper is to clarify structural stability of 3 stage telescopic booms having an operator platform and an upper boom of composition(Fiber Reinforced Plastic) by comparing the general telescopic booms with steel material using computational analysis.
        4,000원