Zobrazeno 1 - 10
of 125
pro vyhledávání: '"Hwa Soo Kim"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract This paper introduces a novel design and static optimization for a two-degrees-of-freedom transformable wheel based on a geared linkage mechanism. Overcoming obstacles, including stairs, with small wheels is a major challenge in the field of
Externí odkaz:
https://doaj.org/article/832a72e835824693b9a8c85ff50d1dc8
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-10 (2023)
Abstract This paper presents the analysis of ropes’ bending on three-dimension edges by ascending robots. A rope ascending robot (RAR) is a type of exterior wall-working robot that utilizes a synthetic rope to traverse the outer surface of a buildi
Externí odkaz:
https://doaj.org/article/3a712f97d7444ee9ae421fa69abf5e05
Publikováno v:
IEEE Access, Vol 11, Pp 60539-60561 (2023)
Indoor service robots have been widely introduced in the fields of cleaning, delivery, education, guidance, and healthcare, etc. in indoor environments. The mobility of an indoor service robot is essential to expanding its applications. However, the
Externí odkaz:
https://doaj.org/article/d8f1c3c3061540a4a83b407915673017
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-13 (2022)
Abstract This paper presents the design optimization of a linkage-based wheel mechanism with two degrees of freedom, for stable step climbing. The mechanism has seven rotational joints and one prismatic joint. Kinematic and dynamic analyses of the me
Externí odkaz:
https://doaj.org/article/1b2872c5e504466da87b5884be084034
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-9 (2022)
Abstract Recent years, there has been an increase in the number of high-rise buildings, and subsequently, the interest in external wall cleaning methods has similarly increased. While a number of exterior wall cleaning robots are being developed, a m
Externí odkaz:
https://doaj.org/article/e56d4ee8ce424e408aaefe8eab8c398d
Publikováno v:
IEEE Access, Vol 9, Pp 12301-12308 (2021)
In this study, the unscented Kalman filter-based method was introduced as a new technique for position estimation of the two-degree-of-freedom façade cleaning robot known as the Dual Ascender Robot (DAR). While other façade cleaning robots use a wi
Externí odkaz:
https://doaj.org/article/c4353a13a22f4041969e1523cefd4070
Publikováno v:
IEEE Access, Vol 9, Pp 86500-86513 (2021)
This study presents a novel shape-morphing wheel that enables to not only traverse flat ground quickly in a circular configuration but also overcome obstacles like steps effectively in a transformed configuration. The proposed wheel mechanism has two
Externí odkaz:
https://doaj.org/article/20e0e6887b2f4f948fa642b072e9103d
Publikováno v:
IEEE Access, Vol 9, Pp 122766-122773 (2021)
In this paper, a mechanism for overcoming high obstacles is proposed to broaden the application range of the exterior wall cleaning robot. The proposed one-degree-of-freedom wheel mechanism can overcome high obstacles by the rotation of a wheel with
Externí odkaz:
https://doaj.org/article/713854565e1a4d55b9eec07838c582e3
Publikováno v:
IEEE Access, Vol 8, Pp 9015-9022 (2020)
This paper proposes a three-degree-of-freedom manifold composed of three linear actuators. The proposed mechanism consists of a workspace suitable for facade cleaning and can compensate for the horizontal position from disturbances in a gondola-based
Externí odkaz:
https://doaj.org/article/99b9ca3a3c774d91bc79181487781d38
Publikováno v:
IEEE Access, Vol 8, Pp 87291-87308 (2020)
This paper presents a rope winch with high position repeatability using a differential gear mechanism. This winch is easy to apply to existing buildings using synthetic fiber ropes, which are generally used by building exterior maintenance workers, a
Externí odkaz:
https://doaj.org/article/3946f1ba0878478ba34d8ae9127410d4