Navigation based on visual memories is very common among humans. However, planning long trips requires also a more sophisticated representation of the environment, such as a topological map. This paper describes a sys...
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ISBN:
(纸本)9789881701299
Navigation based on visual memories is very common among humans. However, planning long trips requires also a more sophisticated representation of the environment, such as a topological map. This paper describes a system that learns paths by storing sequences of images and image information in a Sparse Distributed Memory. Connections between paths are detected by exploring similarities in the images, and a topological representation of the connections is created. The robot is then able to plan paths and skip from one path to another at the connection points. The system was tested under reconstitutions of country and urban environments, and it was able to successfully plan paths and navigate.
Single-phasing is one of the major causes of motor failure in the industry. The electric motor market is changing fast due to the minimum energy performance standards. In a large number of cases, particularly when the...
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This article introduces a novel model for low-quality pedestrian trajectory prediction, the social nonstationary transformers (NSTransformers), that merges the strengths of NSTransformers and spatiotemporal graph tran...
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Cardiac interventions have to deal with several difficulties, where heart motion is a major one. This paper addresses the heart motion compensation problem under contact, relying on robot force control techniques. A d...
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An approach to increase road capacity consists in making vehicles move much closer to each other, i.e. using platoons, and to avoid the constant stop-and-go in urban traffic. This paper addresses the studies of new mo...
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3D CLIMBER is a pole climbing robot which was developed at isr-UC. It can climb from 3D structures with bents and branches and scan whole area of the structure. Upon the completion of the mechanical structure some tes...
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In the context of mobile robotics, it is crucial for the robot to have a consistent representation of the surrounding area. However, common grid maps used in robotics do not provide any evidence as to connectivity, ma...
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Metal detectors are widely used to detect and localize land mines, as well as metallic clutter that causes many false alarms. These false alarms are handled by manual inspection with a prodder or using extra features ...
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Autonomous robots have been in use to construct maps of unknown areas, offering indispensable help for various emergency situations, including but not limited to hostage rescue and fire accidents. In these situations,...
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3DCLIMBER is a pole climbing robot designed at isr-UC which is able to climb from poles with bents and branches. The first prototype of the robot uses electrical motors as actuators. A research started to study possib...
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ISBN:
(纸本)9812835768
3DCLIMBER is a pole climbing robot designed at isr-UC which is able to climb from poles with bents and branches. The first prototype of the robot uses electrical motors as actuators. A research started to study possibility of using other types of actuators to reduce the weight of the robot and thus increase the efficiency. This paper presents a comparison study between the pneumatic muscles and electrical motors. The 3DCLIMBER robot was used as a case study for this comparison.
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