Results 11 to 20 of about 1,285,259 (263)
Knee Surgery & Related Research, 2012 We compared and analyzed the short term results of high flexion total knee arthroplasty (TKA) with mobile-bearing and fixed bearing designs.We studied 32 patients that had undergone TKA with LPS-Flex Mobile and 34 patients with LPS-Flex Fixed using an electromagnetic navigation system between January 2010 and June 2010, and were followed up for at ...
Jeung Tak Suh +2 more
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Knee Surgery and Related Research, 2017 Purpose To compare navigation and weight bearing radiographic measurements of mechanical axis (MA) before and after closed wedge high tibial osteotomy (HTO) and to evaluate post-osteotomy changes in MA assessed during application of external varus or ...
Dae Kyung Bae +3 more
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Characterizing an Air-Bearing Testbed for Simulating Spacecraft Dynamics and Control
Aerospace, 2022 Ground-based testbeds play a critical role in developing and testing different methods of spacecraft dynamics and control. To find the dynamic behavior in such an air-bearing testbed, a detailed characterization of the testbed must be provided via ...
Zheng Huang +4 more
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Allocentric and egocentric spatial representations coexist in rodent medial entorhinal cortex [PDF]
Nature CommunicationsSuccessful navigation relies on reciprocal transformations between spatial representations in world-centered (allocentric) and self-centered (egocentric) frames of reference.
Xiaoyang Long +4 more
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Integration of Hardware and Software Designs for Object Grasping and Transportation by A Mobile Robot With Navigation Guidance via a Unique and Elegant Design of Bearing Alignment Mechanism [PDF]
IEEE/ASME transactions on mechatronics, 2015 Wei Li, Yue Xiang, Wei Li
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Percutaneous sacroiliac screw fixation with a 3D robot-assisted image-guided navigation system : Technical solutions. [PDF]
Oper Orthop TraumatolObjective Presentation and description of percutaneous sacroiliac (SI) screw fixation with the use of a 3D robot-assisted image-guided navigation system and the clinical outcome of this technique.
Link BC +6 more
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Underwater vehicle navigation using bearing measurements from a mobile beacon
IFAC-PapersOnLineAutonomous underwater vehicles enable efficient underwater operations such as mapping, surveillance, and inspection. However, due to the lack of global navigation satellite systems (GNSS) signals, drift in pose estimates will occur over time. Common solutions to this issue are using either stationary or mobile beacons to provide range and possibly ...
Hoff, Simon A. +4 more
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Simple yet stable bearing‐only navigation [PDF]
, 2010 This article describes a simple monocular navigation system for a mobile robot based on the map-and-replay technique. The presented method is robust and easy to implement and does not require sensor calibration or structured environment, and its ...
Tomáš Krajník +5 more
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, 2015 Vehicle positioning is an important component of intelligent transportation systems. Due to the relative low cost and low complexity of Global Navigation Satellite Systems (GNSS), the automotive industry has adopted this technology to provide vehicle position. GNSSs solution are reliable in open sky environments.
E. Abolfathi
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Analytical expression for uncertainty propagation of aerial cooperative navigation
Aviation, 2021 In this paper, the propagation of uncertainty in a cooperative navigation algorithm (CNA) for a group of flying robots (FRs) is investigated. Each FR is equipped with an inertial measurement unit (IMU) and range-bearing sensors to measure the relative ...
Ali Faghihinia +2 more
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