Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Wonjae Cho"'
Autor:
Nang Van Nguyen, Wonjae Cho
Publikováno v:
AgriEngineering, Vol 5, Iss 1, Pp 127-140 (2023)
Dynamic performance of a GNSS (Global Navigation Satellite System) positioning device (PD) is of interest to end users of satellite-based auto-guidance systems (AGS) for agricultural vehicles, especially when a low-cost PD is used. This study evaluat
Externí odkaz:
https://doaj.org/article/98dd0e05cf5249e68f6dbd4a2e988f5e
Publikováno v:
Agriculture, Vol 13, Iss 3, p 657 (2023)
Many cropping systems, notably for rice or soybean production, rely largely on arable land levelness. In this study, an automated levelness assessment system (ALAS) for evaluating lowland levelness is proposed. The measurement accuracy of total stati
Externí odkaz:
https://doaj.org/article/ab04b9ac0b664e48a58166fae28d28e3
Publikováno v:
Smart Agricultural Technology, Vol 1, Iss , Pp 100004- (2021)
This paper evaluates and compares the static performance of low-cost and legacy geodetic multi-frequency multi-GNSS positioning device (PD) in terms of the GNSS signal strength, RTK (Real-Time-Kinematic) availability and positioning accuracy, and tim
Externí odkaz:
https://doaj.org/article/2768eff7b5844580b7360ac32f59ba27
Publikováno v:
Nano Convergence, Vol 11, Iss 1, Pp 1-18 (2024)
Abstract In this study, we achieved energy localization and amplification of flexural vibrations by utilizing the defect mode of plate-attachable locally resonant metamaterials, thereby realizing compact and low-frequency vibration energy suppression
Externí odkaz:
https://doaj.org/article/e8085c3e06714fada5503b72e9e0a3b6
Publikováno v:
Advanced Science, Vol 11, Iss 19, Pp n/a-n/a (2024)
Abstract Herein, a Timoshenko–Ehrenfest beam‐based reconfigurable elastic metasurface is introduced that can perform multifunctional wave phenomena within a single substrate, featuring high transmission in the ultrabroadband frequency range. Conv
Externí odkaz:
https://doaj.org/article/116145d1f38e4cc1bbf7ec0c1ee252ac
Publikováno v:
2021 ASABE Annual International Virtual Meeting, July 12-16, 2021.
This study aims to develop the integrated control system for an intelligent agricultural vehicle, which consist of several functions including self-localization, 2D/3D mapping, situation awareness, path planning, remote monitoring, and feedback contr
Autor:
Chung Il Park, Seungah Choe, Woorim Lee, Wonjae Choi, Miso Kim, Hong Min Seung, Yoon Young Kim
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-9 (2023)
Abstract Imaging technologies that provide detailed information on intricate shapes and states of an object play critical roles in nanoscale dynamics, bio-organ and cell studies, medical diagnostics, and underwater detection. However, ultrasonic imag
Externí odkaz:
https://doaj.org/article/82109739449d43d382c8a7eee25403b7
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 9, Pp 3260-3267 (2023)
Zr-Nb alloy have been widely used as fuel rods in nuclear power plants. However, from the Fukushima nuclear accident, the weakness of the rod was revealed under harsh conditions, and research on the safety of these types of rods was conducted after t
Externí odkaz:
https://doaj.org/article/fa5025d6b71a42a28f5daf6d442c8ba7
Publikováno v:
Transactions of the Institute of Systems, Control and Information Engineers. 28:85-90
Autor:
Younglan Joo, Wonjae Choi, Jihye Jung, Hyunjoong Kim, Sungeon Park, Sangbong Lee, Seungwon Lee
Publikováno v:
Journal of Functional Morphology and Kinesiology, Vol 9, Iss 2, p 67 (2024)
This study aimed to determine the effectiveness of radial extracorporeal shockwave therapy (rESWT) in enhancing ankle function in patients with Achilles tendon injuries. The choice of rESWT was based on previous success in the treatment of musculoske
Externí odkaz:
https://doaj.org/article/e8888a1efda145489a24cfce0e819e40