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The increasingly wide range of applications of robot in production and living makes robots education imperative. In this paper, the "fire-fighting robots" is designed and implemented as a demonstration of robot technology education system using LEGO components. It shows the robot technology and popularizes robot related knowledge and provides a new platform for popularizing and displaying...
A mobile robot with various types of sensors via ubiquitous networks is introduced. We designed a mobile robot composed of TCP/IP network, wireless camera and several sensors in an environment, and show object avoiding and tracking methods necessary for providing diverse services desired by the people. To avoid obstacles (objects), active sensors such as infrared rays sensors and supersonic waves...
This paper proposes a method that can prevent remote mobile robots colliding with obstacles. The method uses tactile and visual senses. Visual sense is represented by the virtual stick. The virtual stick is a method that represents obstacle distance by color. The obstacle distance is obtained by the robotpsilas infrared sensors. The user can distinguish dangerous and safe distances between robot and...
Vision based localization techniques in an intelligent environments have been well studied. But it still faces several difficulties, such as limited surveillance area, low response speed, relative high computation cost and so on. In this work, we create a large planar camera array which extremely extends the scope of surveillance area, and more precisely localizes robots with high response speed for...
The self-localization problem of mobile robot is considered as one of the most difficult problems in robotics, and is generally handled through stochastic methods. This paper discusses a stochastic approach of soccer robot self-localization using Monte-Carlo localization (MCL) method. In MCL, environment information of lines, goals, balls, etc. is first retrieved and processed; such information is...
lnformation regarding the environment surrounding remote mobile robots, such as images, sensors, and sounds, is necessary for the effective control of these robots. However, it is difficult to control the remote mobile robot safely because of the delay in receiving the image information and inaccuracies in the sensor information. We aim to reduce the problems occurring during the control of the remote...
In this paper, a first prototype of a multifunctional tactile sensor using ionic polymer metal composites (IPMCs) is proposed, designed, and tested. Two IPMC strips are used, one as an actuator and one as a sensor, both positioned in a cantilever configuration; working together they enable the system to detect the presence of a material in contact with it and to measure its stiffness. These sensing...
A principal factor in sensor network design is energy efficiency. In this work, we propose to extend the lifetime of sensor networks using appropriate choice of sensor node distribution. The key idea of our scheme is to deploy more nodes in areas of extensive energy usage. Using this scheme of sensor node distribution, we use probabilistic angular routing to route data packets from the sensor nodes...
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