Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Koray K. Şafak"'
Publikováno v:
Biomimetics, Vol 8, Iss 4, p 346 (2023)
This study proposes a design approach and the development of a low-power planar biped robot named YU-Bibot. The kinematic structure of the robot consists of six independently driven axes, and it weighs approximately 20 kg. Based on biomimetics, the r
Externí odkaz:
https://doaj.org/article/6906012444264810bc0003c7afab2d1c
Publikováno v:
Applied Sciences, Vol 12, Iss 4, p 1937 (2022)
Heart failure is one of the principal causes of morbidity and mortality in children. Treatment techniques may not work, and heart transplantation may be required as a result. The current state of donor-organ supply means that many patients cannot und
Externí odkaz:
https://doaj.org/article/4b482e6ee52d4e3d9ec5bf410912aa37
Publikováno v:
Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, Vol 16, Iss 3 (2012)
A typical sit-to-stand movement analysis is analyzed in designing a mobility assist device for people with disabilities. An in-house motion-capture system was utilized for collecting the kinematic data, in which the motion of markers affixed to a mov
Externí odkaz:
https://doaj.org/article/b5805cea998f470597a97183fce6a0fe
Autor:
Koray K. Şafak, Selim Bozkurt
Publikováno v:
Computational and Mathematical Methods in Medicine
Computational and Mathematical Methods in Medicine, Vol 2019 (2019)
Computational and Mathematical Methods in Medicine, Vol 2019 (2019)
Dilated cardiomyopathy is the most common type of the heart failure which can be characterized by impaired ventricular contractility. Mechanical circulatory support devices were introduced into practice for the heart failure patients to bridge the ti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d6fc0901b849c179e17446f84f33ae09
http://europepmc.org/articles/PMC6745090
http://europepmc.org/articles/PMC6745090
Autor:
Koray K. Şafak
Publikováno v:
Volume: 22, Issue: 6 1611-1624
Turkish Journal of Electrical Engineering and Computer Science
Turkish Journal of Electrical Engineering and Computer Science
In this paper, methods to achieve actively powered walking on level ground using a simple 2-dimensional walking model (compass-gait walker) are explored. The walker consists of 2 massless legs connected at the hip joint, a point mass at the hip, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::394d6cf6b22fdddff12dff62ebf81e34
https://dergipark.org.tr/tr/pub/tbtkelektrik/issue/12112/144743
https://dergipark.org.tr/tr/pub/tbtkelektrik/issue/12112/144743
Autor:
George G. Adams, Koray K. Şafak
Publikováno v:
Robotics and Autonomous Systems. 41:225-243
The shape memory effect exhibited by Nitinol wire can be utilized to construct an artificial muscle. The muscle is activated by an electric current, which produces heat and initiates a phase transformation. The Nitinol artificial muscle stress–stra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::edf51163833d891118b362ea672d8103
https://doi.org/10.1016/s0921-8890(02)00293-2
https://doi.org/10.1016/s0921-8890(02)00293-2
Autor:
Koray K. Şafak, George G. Adams
Publikováno v:
Autonomous Robots. 13:223-240
We developed a dynamic model of a Nitinol artificial muscle activated biomimetic robot. The robot was reverse engineered from the American lobster and built in the Biomimetic Underwater Robot Program at Northeastern University. It is intended for aut
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a087ed09298d8d129d749631183d8838
https://doi.org/10.1023/a:1020516108579
https://doi.org/10.1023/a:1020516108579
Autor:
Koray K. Şafak, O. S. Turkay
Publikováno v:
Mechatronics. 10:881-896
In this paper a feedforward multilayer Levenberg–Marquardt (LM) neural network-training algorithm is implemented experimentally to identify the weak non-linear dynamics of a universal direct current motor. A flat-spectrum multi-frequency signal is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2380224892da7056f245cf616c71cb7
https://doi.org/10.1016/s0957-4158(99)00095-1
https://doi.org/10.1016/s0957-4158(99)00095-1
This work addresses the optimization of the workspace of a six degrees of freedom parallel manipulator. In this study, The topology of the manipulator is composed of three xy-tables, symmetrically positioned on a circle on a base plane, connected by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::29049d3558ae9fe288552473e6f4ac53
https://hdl.handle.net/20.500.11831/7597
https://hdl.handle.net/20.500.11831/7597
Publikováno v:
ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 1.
An orthopedic distractor device is currently being developed for extending bones or bridging a gap in a bone. The device is designed to fit into the medullary canal of a human femur or tibia. By virtue of telescopic motion between two mating parts, t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a8702bbc9606ad4cf841115202c3fd2
https://doi.org/10.1115/esda2010-24286
https://doi.org/10.1115/esda2010-24286